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Optical detector

Subclass of:

345 - Computer graphics processing and selective visual display systems

345156000 - DISPLAY PERIPHERAL INTERFACE INPUT DEVICE

345157000 - Cursor mark position control device

345163000 - Mouse

Patent class list (only not empty are listed)

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DocumentTitleDate
20080284734Versatile Optical Mouse - Apparatus and method for generating a distinct “click” signal from a input device to a computer (11-20-2008
20090195505MOTION ESTIMATION DEVICE AND POWER SAVING METHOD THEREOF - A power saving method for a motion estimation device which has a fixed sampling period and includes a light source illuminating with an adjustable emitting cycle to provide the needed light for the motion estimation device during capturing images. The power saving method includes: capturing a first image at a first time; capturing a second image at a second time, wherein a time interval between the first time and the second time is identical to one emitting cycle which is an integral multiple of the sampling period; comparing the first image and the second image to obtain a displacement; comparing the displacement with at least one threshold value; and adjusting the emitting cycle of the light source according to a comparison result of comparing the displacement and the threshold value. The present invention further provides a motion estimation device.08-06-2009
20090195504Optical Pointing Device - An optical pointing device includes a light source, a light beam splitter, an image sensor and a lens. The light source provides an illumination light beam. The light beam splitter is disposed on a transmission path of the illumination light beam and configured for splitting the illumination light beam into a first light beam and a second light beam. The image sensor is for sensing the first and the second light beams. The lens is disposed before the image sensor. When the optical pointing device is put on a reflective surface, the first light beam is reflected to the lens by the reflective surface and then is focused on the image sensor. When the optical pointing device is put on a transparent body disposed on the reflective surface, the second light beam is reflected to the lens by the reflective surface and then is focused on the image sensor.08-06-2009
20090195503REPORTING OPTICAL TRACKING DATA BASED ON INTEGRATED RESOLUTION SWITCHING AND SURFACE DETECTION - An integrated resolution switching surface detection system for an optical navigation device. The integrated resolution switching surface detection system includes a resolution switching engine, a surface detection engine, and a navigation engine. The resolution switching engine sets a resolution status based on a motion speed of a tracking surface relative to a navigation sensor, wherein the motion speed is a measure of motion data over time. The surface detection engine sets a surface detection status based on the resolution status that is set by the resolution engine. The navigation engine reads motion data from the navigation sensor and reports the motion data to a computing device according to the surface detection status that is set by the surface detection engine. Embodiments of the integrated resolution switching surface detection system maintain smooth and predictable cursor movement associated with a plurality of finger assert and finger de-assert events.08-06-2009
20080259034OPTICAL POINTING DEVICE AND METHOD FOR CALCULATING MOTION VALUE IN THE SAME - The optical pointing device of the present invention includes a light source for emitting light; a mode identifier for outputting an upside-down mode signal when the optical pointing device is used upside-down; an image sensor for receiving reflected light from an object and obtaining image information of the object; a converter for converting the image information into digital image data; a basic motion value calculator for outputting a basic motion value corresponding to a motion of the optical pointing device using the image data; and a motion value converter for receiving the basic motion value and outputting a mirror motion value corresponding to the motion of the object in response to the upside-down mode signal. Thus, the optical pointing device provides the rotation mode, the upside-down mode and the normal mode, so that the optical pointing device is used in various situations and upside-down.10-23-2008
20110193781MOUSE DEVICE - Provided is a convenient mouse device having low power consumption. The mouse device has a configuration in which an optical sensor for light shielding detection is provided in a region where a hand blocks light when the hand handles the mouse device so that the mouse device may perform a normal operation when the optical sensor for light shielding detection is shielded from light, and may perform a low consumption operation when the optical sensor for light shielding detection is not shielded from light.08-11-2011
20130076629HYBRID POINTING DEVICE - There is provided a hybrid pointing device including an optical navigation module, a pointing module and a switching module. The optical navigation module is configured to sense gestures of at least one object operated by a user to activate commands associated with particular programs running on the host. The pointing module is configured to detect a movement between the hybrid pointing device and a working surface. The switching module is configured to active the optical navigation module or the pointing module according to a deformation of a touch plate.03-28-2013
20130033429METHOD OF NOTETAKING WITH SOURCE DOCUMENT REFERENCING - A method of notetaking includes the steps of: displaying a source document on a display device; writing notes on a substrate relating to the displayed source document to create handwritten notes; generating digital ink representing the handwritten notes; and indexing the digital ink with an identifier for the displayed source document so that the displayed source document is retrievable when accessing the notes. The displayed source document has no association with the substrate prior to writing the notes.02-07-2013
20130038535OPTICAL POINTING DEVICE - An optical pointing device for detecting a displacement between the optical pointing device and a working surface includes a casing, a light emitting component and a light sensing component. The casing includes a transparent element. A light emitting hole is defined through the casing and located at the same side with the transparent element. The light emitting component is located inside the casing and emits a light beam. The light beam passes through the light emitting hole and is reflected by the working surface to pass through the transparent element. The light sensing component is located inside the casing. The transparent element is located between the light sensing component and the working surface to cover the light sensing component. The light sensing component has a light sensing surface configured for sensing the light beam reflected by the working surface.02-14-2013
20100103107IMAGE PROCESSING METHOD OF OPTICAL NAVIGATOR AND OPTICAL NAVIGATOR USING THE SAME - An image processing method of a optical navigator includes the steps of: capturing a first image and calculating an average brightness of the first image; determining whether the average brightness is between a first threshold value and a second threshold value; when the average brightness is between the first and second threshold values, determining whether the first image is attenuated by an attenuation value; when the first image is not attenuated by the attenuation value, updating the attenuation value and a gain; attenuating the first image with the updated attenuation value and amplifying the attenuated first image with the gain; and comparing the attenuated and amplified first image with a reference image to obtain a displacement. The present invention further provides an optical navigator.04-29-2010
20100149097APPARATUS AND METHOD FOR PERFORMING CONTINUOUS KEY INPUT USING OPTICAL MOUSE SENSOR IN COMPUTING EQUIPMENT - An apparatus and method for processing input of an optical mouse sensor having the optical mouse sensor as an input unit are provided. In the method, a touch movement velocity associated with input of the optical mouse sensor is determined. The movement velocity is compared with a threshold. If the movement velocity is less than the threshold, the input of the optical mouse sensor is processed as continuous key input.06-17-2010
20130069877MOUSE HAVING A CLICKING FUNCTION VIA AUDIO OR LIGHT SIGNAL - An input device providing less strain on the user is disclosed. The input device comprises a means for tracking movement of the device and providing a signal associated with the movement to a computer system and means for receiving one of an audio signal, an optical signal and a verbal expression and providing associated signals to the computer system, wherein the computer system executes a function identified by a position determined based on the movement information and the received one of: audio signal, optical signal and verbal expression.03-21-2013
20130069876THREE-DIMENSIONAL HUMAN-COMPUTER INTERACTION SYSTEM THAT SUPPORTS MOUSE OPERATIONS THROUGH THE MOTION OF A FINGER AND AN OPERATION METHOD THEREOF - A three-dimensional (3D) human-computer interaction system that supports mouse operations through the motion of a finger and an operation method thereof are provided. In the provided system and method, a multi-view video recording device captures an image of a finger of an operator, and has an information connection with an electronic information device through an interaction handling program. After the interaction handling program is executed, a CPU of the electronic information device performs operations such as computation, synthesis, image presentation, gesture tracking, and command recognition on the captured image to interpret a motion of the finger of the user. Accordingly, the user may perform operations on an operation interface of the electronic information device by using the finger in a 3D space in a noncontact mode. The present invention is particularly applicable to application software with 3D space operations as it can perform 3D interaction with the application software.03-21-2013
20090085872TILT-WHEEL MOUSE CIRCUIT - A tilt-wheel mouse circuit is provided. Without adding more I/O pins, the tilt-wheel mouse circuit provides extra scrolling-left and scrolling-right functions through an external-extend circuit and firmware of a micro-controller within the tilt-wheel mouse circuit. It follows that the cost of the manufacturing of the tilt-wheel mouse is accordingly low and the package size of the micro-controller is accordingly small.04-02-2009
20090033626COMPUTER MOUSE - A pad-free radio-frequency mouse includes an ergonomic design such that the mouse is contoured to a user's hand, a Radio-Frequency mouse transmitter, and a USB Radio-Frequency receiver. With the usual mouse pad removed, the cursor on a monitor can be subtly maneuvered by moving one's thumb or fingers over an optical sensor in the mouse. Practically all functions found in existing mice and new functions can be implemented via five or more buttons provided adjacent the optical sensor.02-05-2009
20090267899OPTICAL SENSOR MODULE FOR OPTICAL POINTING DEVICE AND METHOD OF FABRICATING THE SAME - An optical sensor module for an optical pointing device and a method of fabricating the same are provided. The optical sensor includes: a lead frame having a light receiving hole formed in a pad; an image sensor attached to the pad and detecting light emitted from a light source through the light receiving hole; and a molding member for integrally molding the lead frame and the image sensor. The method includes: forming a light receiving hole in a pad of a lead frame; attaching an image sensor to the pad; connecting the image sensor to a lead of the lead frame by bonding using a wire; molding the lead frame and the image sensor; and trimming the lead of the lead frame to a certain length and forming the lead.10-29-2009
20120223887COMPUTER INPUT APPARATUS - A computer input apparatus is disclosed which has improved safety control. Computer input devices with coherent light sources are popular. However, coherent light sources may cause serious and unrecoverable injuries to human eyes. Accordingly, there are several safety specifications defined by manufacturers and governments. Therefore, an improved device is disclosed that includes a calibration circuit and a fault detection circuit to control the operation current of a coherent light source to be within the safety specifications range, and to monitor for fault conditions. Furthermore, a computer input apparatus with coherent light source can be operated without the traditional optical lens.09-06-2012
20110063221COMPUTER MOUSE - A computer mouse includes a housing; a sliding plate is slidably connected to the housing; a first sub-switch and a second sub-switch arranged within the housing; a first operating portion mounted on one end of the computer mouse; a second operating portion mounted on an opposite end of the computer mouse; an image sensor configured for capturing images; a processing unit arranged within the housing; wherein, the first operating portion and the processing unit are connected to the first sub-switch, the second operating portion and the processing unit are connected to the second sub-switch, when the sliding plate sliding to one of two ends of the housing, actuating the one of the two sub-switches respectively.03-17-2011
20110025604System for adjusting a light output of an optical mouse and a mouse thereof - A mouse includes a lighting unit, a sensing unit, and a control unit. The lighting unit is used for generating a light output to shine onto a contact surface. The sensing unit is connected with the lighting unit, and forms an image for generating an image signal from the reflection of the light upon the contact surface. The controller unit is connected with the sensing unit, and is for controlling the light output of the lighting unit according to a reference value. In addition to calculating the movement of the mouse according to the image signal, the control unit also directly outputs the image signal to an application system with an image analysis function. Therein, the application system is for analyzing the image signal and outputting a correcting value to the control unit; and the control unit is for adjusting the reference value according to the correcting value.02-03-2011
20080291167Pointing device and displacement estimation method - A method of estimating image displacement by block matching for a pointing device used in a computer system. The method provided in the present invention comprises capturing digital images sequentially using a photo capture device, obtaining a template frame and a current frame, estimating a predicted velocity vector, and computing the displacement of the image. The efficiency and reliability of block match searching are improved by reducing the search range according to the calculated displacement. The template block can be defined anywhere on the template frame according to the predicted velocity to extend the lifetime of the template frame, and the displacement vector between the template block and the center of the template frame is proportional to the predicted velocity.11-27-2008
20100171703IMAGING AND NAVIGATION ARRANGEMENT FOR CONTROLLING A CURSOR - A method for operating an optical pointing device involves capturing a plurality of arrays of data, representing light reflected from a surface to a two-dimensional array of photo detectors, processing at least some of the plurality of arrays of data to estimate movement of the surface during each of a plurality of measurement cycles, and sending a series of estimated movement update signals to a computer.07-08-2010
20110298715Optical navigation apparatus - An optical navigation apparatus comprises a substrate with a sensor integrated circuit and an infrared source formed thereon; a sensor cover shielding the sensor integrated circuit and the infrared source; at least one visible light source formed outside the sensor cover and electrically connected with the substrate; a light guide located outside the sensor cover and covering the visible light source; and an outer housing covering the light guide and the substrate, and the outer housing comprises an infrared window and a side wall capable of guiding visible light towards and illuminating a region of the outer housing. In such an arrangement, the outer housing of the present invention is not only used as a casing for protection, but also served as light guide and distribution structure to reflect and re-distribute light sufficiently to achieve a uniform illuminated character shape.12-08-2011
20090066649MOUSE POINTER FUNCTION EXECUTION APPARATUS AND METHOD IN PORTABLE TERMINAL EQUIPPED WITH CAMERA - Disclosed is an apparatus and a method for executing a mouse pointer function in a portable terminal equipped with a camera. The method includes: capturing an external image signal by a camera module; sampling the external image signal and converting a sampled image signal into image data; mapping a group of pixels of the image data generated by the sampling to a group of pixels of an image sensor for each unit pixel on a one-to-one basis; detecting coordinate values of all image data including a point light source in the group of the mapped pixels; determining if a point light source is actually included in all of the image data including the point light source; and activating the detected coordinate values of all of the image data including the point light source and displaying the activated coordinate values on a screen.03-12-2009
20120154282OPTICAL SCROLLING MODULE AND OPTICAL CONTROL MODULE - An optical scrolling module includes a prism, a light source, an image sensor and a first condenser. The prism is disposed at an opening of an upper shell of a mouse and has a light incident surface, a reflective surface, a contact surface and a light emitting surface. The contact and light incident surfaces are respectively connected between the reflective and light emitting surfaces. The contact surface is exposed by the opening. A light beam from the light source is transmitted to the contact surface via the light incident and reflective surfaces. When an object with a pattern structure puts on the contact surface, the light beam is scattered and a portion of the light beam is transmitted to the image sensor via the first condenser. When the object is removed from the contact surface, the light beam is reflected to the light emitting surface by the contact surface.06-21-2012
20120026093OPTICAL NAVIGATION DEVICE AND USE THEREOF - The invention relates to an optical navigation device based on production on wafer scale, in which both the illumination path and the imaging lens system are integrated on a common carrier structure. The optical navigation devices according to the invention are used for controlling a cursor on an image output device or in the field of finger navigation.02-02-2012
20090102793OPTICAL MOUSE - An optical mouse configured to track motion on a broad range of surfaces is disclosed. In one embodiment, an optical mouse includes a light source configured to emit light having a wavelength in or near a blue region of a visible light spectrum, an image sensor positioned relative to the light source such that light from a specular portion of a distribution of light reflected by the tracking surface is detected by the image sensor, and a controller configured to receive image data from the image sensor and to identify a tracking feature in the image data.04-23-2009
20100090955MOUSE HAVING SCROLLING FUNCTION - A mouse having a scrolling function includes a mouse body, an optical finger navigation module and a control unit. The optical finger navigation module is used for sensing a motion of a user's finger. The control unit controls a frame of a computer to be scrolled at an adjustable scrolling speed according to a moving speed of the user's finger.04-15-2010
20100265180MOUSE WHEEL ASSEMBLY - A mouse wheel assembly is provided according to the present invention. The mouse wheel assembly includes a member and an optical module. The member has a pattern formed thereon. The optical module is adapted to illuminate the pattern on the member, capture an image of the pattern as a result of the illumination and recognize a feature change of the image of the pattern to obtain the change direction and change speed of the member.10-21-2010
20090146955MOUSE WITH A FINGER TRIGGERED SENSOR - A computer input device (e.g. a mouse) with a finger-triggered sensor is described. The sensor generates input signals in addition to the conventional mouse signals generated by click buttons, tracking device and scrolling wheel. The sensor may be an optical sensor, a touch-sensitive sensor or other types of sensors. The signals generated by the sensor, either alone or in combination with other signals generated by the buttons, tracking device or scrolling wheel, may be interpreted to generate various messages for the operating system and/or application programs. The interpretation may be performed by a circuit on the input device, by a driver program on the host computer, or both. The sensor may be provided on a mouse, a laptop keyboard that has a pointing device, an external keyboard equipped with a pointing device, or on a stand-alone device that can be electrically connected to a computer through its available ports.06-11-2009
20110032188INPUT APPARATUS AND OPERATION METHOD THEREOF - An input apparatus including an optical mouse module and a mouse pad module is provided. The optical mouse module includes a light source and an optical sensor. The light source is adapted to emit a light beam. The optical sensor has a sensible distance. The mouse pad module is disposed on the optical mouse module. The mouse pad module includes a sliding sheet elastically coupled to the optical mouse module. The sliding sheet is adapted to move in a three-dimensional space. The optical sensor and the sliding sheet are arranged in an arrangement direction. An operation method of the input apparatus is also provided.02-10-2011
20090295728Signal processing method for optical trace-detecting module - A signal processing method for an optical trace-detecting module is adapted to perform signal processing between a hardware device having an optical trace-detecting module and a computer device. After a hardware device performs signal connection with a computer device, a fingerprint recognition start-up is implemented by an optical trace-detecting module of the hardware device. Continuous image detection is then performed for displacement control. The presence of the hardware device is confirmed by a start-up procedure of the computer device. A single fingerprint image is picked up by the optical trace-detecting module of the hardware device so as to perform start-up ID recognition. After that, a plurality of frames of object images is continuously picked up by the optical trace-detecting module, and then converted into a displacement signal to be transmitted to the computer device, so as to control a window interface.12-03-2009
20100090956OPTICAL MOUSE - Well-designed absolutely fixing mechanisms are provided for optical mice to avoid loose engagement between the optical components and base plate in an optical mouse, and eliminate shifting and out-of-focus of the light path in the optical mouse, thereby improving performance of the optical mouse.04-15-2010
20090244008Lens Module And Optical Mouse Using The Same - In a lens module and an optical mouse using the lens module, the lens module includes a substrate, a light guide rod and a carrying base. The light guide rod is extended from the substrate along a predetermined direction and has a light incident surface. The carrying base is connected with the light incident surface and has a carrying surface for carrying a light source of the optical mouse. The substrate, the light guide rod and the carrying base are integrated into one piece. The lens module has lower cost.10-01-2009
20080316174MOTION ESTIMATION WITH ADAPTATION OF THE CORRELATION BLOCK SIZE - A process for determining the displacement of an entity equipped with a sensor for capturing a sequence of images, comprising a step for determining a motion vector associated with a current image as a function of at least one correlation calculation between a first block of pixels in the current image and a second block of pixels from which the vector points towards said first block of pixels, with said second block being in a previous image in the sequence of images, wherein the dimensions of the first block are determined as a function of at least a motion vector associated with a previous image in the image sequence.12-25-2008
20110169738OPTICAL NAVIGATION DEVICES - An imaging device may have illumination paths directed to an imaging area to thereby illuminate the whole of the imaging surface. The imaging area may be adapted to generate frustrated total internal reflection of the illumination from the imaging surface, in the presence of an element in contact with some or all of the imaging surface.07-14-2011
20080238876CONTAMINANT-RESISTANT OPTICAL MOUSE AND CRADLE - A contaminant-neutralizing cradle comprises a base and a support surface configured to removably receive a coherently-illuminated mouse. A neutralizing element is disposed on the support surface for alignment with at least one exposed surface of an optics module of the mouse and is configured to neutralize the optical effect of a contaminant on the at least one exposed surface. A method of neutralizing contaminants for an optical mouse comprises providing a mouse containing an optics module having at least one surface exposed to an opening of the mouse and interposing a barrier in the mouse between a contaminant and the at least one exposed surface. A method of detecting contaminants comprises aligning an optics module of a mouse with an imaging surface, obtaining a first image of the imaging surface, via application of coherent illumination from the optics module to the imaging surface, analyzing the first image to identify an interference pattern associated with a contaminant, alerting a user if a parameter of the interference pattern exceeds a threshold value.10-02-2008
20090295729INPUT DEVICE AND OPERATION METHOD OF COMPUTER SYSTEM - An input device for a computer is provided. The input device includes a motion detector and a receiver. The motion detector has an inertia sensor, a gyro, an optical mouse module, and a microprocessor. When the motion detector is in a motion operation mode, the inertia sensor and the gyro are enabled for detecting a motion state and direction of the motion detector in a 3-D space, so as to generate an inertia data and a direction data. When the motion detector is in a mouse operation mode, the optical mouse module is enabled for detecting a motion stat of the motion detector on a 2-D plane, so as to generate a coordinate data. The microprocessor codes the coordinate data or codes the inertia data and the direction data to generate a detecting data for the receiver. Then, the detecting data is transmitted to the computer for operating the computer.12-03-2009
20090102792USER INPUT DEVICE WITH PHOSPHORESCENT INDICATOR - A user input device for use with a computing device is provided. The user input device may include a body, a light source coupled to the body and configured to produce a source light, and a phosphorescent portion positioned proximate to the body and configured to emit a phosphorescent light upon being exposed to the source light.04-23-2009
20090102794ELECTRONIC PEN WITH RETRACTABLE NIB - An electronic pen for interacting with a substrate having coded data disposed thereon. The pen comprises: an image sensor for sensing the coded data when the pen is used to interact with the surface; a slidably retractable nib for contacting the surface; a processor configured to generate indicating data indicative of the interaction with the substrate; and communication means for communicating the indicating data to a computer system. The image sensor is configured to sense the coded data only when the nib is configured in the extended position.04-23-2009
20110169739OPTICAL NAVIGATION DEVICES - An assembly is adapted for being employed in an optical navigation device, such as that used on a computer or mobile communications device. The assembly includes a housing device and an optical device, wherein the housing device includes a receiving section for receiving the optical device. The receiving section has a first and a second opening. The housing device has first and second vertical registration features for aligning the optical device with the housing device. The first and second vertical registration features are spatially associated with the first and second opening respectively.07-14-2011
20100103106Intelligent robotic interface input device - Universal Video Computer Vision Input Virtual Space Mouse-Keyboard Control Panel Robot has computer system use video vision camera sensors, logical vision sensor programming as trainable computer vision seeing objects movements X, Y, Z dimensions' definitions to recognize users commands by their Hands gestures and/or enhance symbols, colors objects combination actions to virtually input data, and commands to operate computer, and machines. The robot has automatically calibrated working space into Space Mouse Zone, Space Keyboard zone, and Hand-Sign Languages Zone between user and itself. The robot automatically translate the receiving coordination users' hand gesture actions combinations on the customizable puzzle-cell positions of working space and mapping to its software mapping lists for each of the puzzle-cell position definition and calibrate these user hand and/or body gestures' virtual space actions into entering data and commands to computer meaningful computer, machine, home appliances operations.04-29-2010
20100127986CALIBRATION METHOD OF PROJECTION EFFECT - The present invention provides a calibration method of projection effect. The calibration method of projection effect according to the invention comprises the following steps. The first, step (a) is performed to make an optical navigation system move along a predetermined trace relative to an object plane. Then, step (b) is performed to sense the predetermined trace by a sensor to obtain a projection trace. The next, step (c) is performed to calculate a projection effect value according to the included angle between a reflected light and the object plane. Finally, step (d) is performed to calibrate the projection trace with the projection effect value to obtain a calibration trace which is in proportion to the predetermined trace.05-27-2010
20110205159DEVICE THAT MANAGES POWER PROVIDED TO AN OBJECT SENSOR - A hand-held device with a sensor for providing a signal indicative of a position of the hand-held device relative to an object surface enables power to the sensor at a first time interval when the hand-held device is indicated to be in a position that is stationary and adjacent relative to the object surface, enables power to the sensor at a second time interval shorter than the first time interval when the hand-held device is indicated to be in a position that is moving and adjacent relative to the object surface, and enables power to the sensor at a third time interval when the hand-held device is determined to be in a position that is removed relative to the object surface.08-25-2011
20080198134Wireless device and power-saving device thereof - A wireless device and a power-saving device thereof are provided. The power-saving device includes a bracket, a rocker arm and a struck element. The bracket is electrically connected to a circuit board of the wireless device. The rocker arm is movably disposed on the bracket. The struck element is disposed around the rocker arm and electrically connected to the circuit board. When the wireless device is moved and makes the rocker arm move waveringly and touch the struck element, the circuit board is therefore conducted, such that the wireless device switches from a sleep mode to an operation mode.08-21-2008
20080284735Multi-Purpose Optical Mouse - An optical pointing device has a rotatable optics housing and provides cursor control in one of two modes: a finger navigation mode and a desktop navigation mode. In the finger navigation mode, the rotatable optics housing is in a first position and moving a finger across a transparent plate in the optics housing controls the cursor movement. In the desktop navigation mode, the rotatable optics housing is in a second position and moving the entire optical mouse in a conventional manner across a fixed surface controls cursor movement. The optical pointing device may further include a touchpad scroll input device and a laser pointing device.11-20-2008
20090109178NON-CONTACT SELECTION DEVICE - A non-contract selecting device is disclosed. The non-contract selecting device include a light source, emitting light to an outside; a camera unit, generating and outputting a video signal corresponding to an external video; a video data generating unit, generating video data corresponding to the video signal; and an identity unit, detecting a location of a detected area formed by light, reflected by pointing-means and inputted, of the light emitted from the video data in units of each frame, recognizing a moving locus of the detected area by comparing at least two continuous frames and generating and outputting corresponding change information. With the present invention, the function-selecting can be more quickly and easily and increase making the most use of elements.04-30-2009
20090160773OPTICAL MOUSE - Various embodiments of optical mice are disclosed. One embodiment comprises a light source configured to emit light having a wavelength in or near a blue region of a visible light spectrum toward a tracking surface at an oblique angle to the tracking surface, an image sensor positioned to detect non-specular reflection of the light from the tracking surface, and one or more lenses configured to form a focused image of the tracking surface on the image sensor at the wavelength in or near the blue region of the visible light spectrum emitted by the light source. Further, the optical mouse comprises a controller configured to receive image data from the image sensor and to identify a tracking feature in the image data.06-25-2009
20090160772DIFFUSE OPTICS IN AN OPTICAL MOUSE - Embodiments of diffuse optics in an optical mouse are disclosed. In one embodiment, an optical mouse comprises a light source configured to emit light toward a tracking surface, an image sensor, an optical diffuser disposed optically upstream of the tracking surface and configured to diffuse light from the light source that illuminates the tracking surface, and a controller configured to receive image data from the image sensor and to identify a tracking feature in the image data.06-25-2009
20090160774DISPLACEMENT DETECTION APPARATUS AND METHOD - A displacement detection method includes the steps of: capturing a first image and a second image, and obtaining a displacement variation according to the first and the second images; comparing the displacement variation with at least one threshold value; and adaptively adjusting a displacement sensitivity outputted from a displacement detection apparatus according a comparison result of comparing the displacement variation with the threshold value. The present invention further provides a displacement detection apparatus.06-25-2009
20120068931OPTICAL MOUSE - An optical mouse is provided with a light guide. The light guide has a collecting surface, a single reflection surface and an exit surface, guiding a light of a light source to a tracking surface through three interface engagements of a refraction, a reflection and a refraction, so as to reduce optical power loss caused by too many interface engagements, and to increase a gazing angle of the light incident to the tracking surface. An array of micro-lenses, as a light diffuser, can be set on the exit surface to improve optical characteristics and distribution of the light incident to the tracking surface.03-22-2012
20090140984SELF-CALIBRATING OPTICAL FEEDBACK SYSTEM IN A LASER MOUSE - A self-calibrating optical feedback system for an optical navigation device. The self-calibrating optical feedback system includes a light source, an illumination lens, a beam splitter, and an optical feedback device. The illumination lens is coupled relative to the light source. The light source emits light based on a programming current. The illumination lens directs the light towards a beam splitter. The beam splitter partially reflects the light directed from the illumination lens. The optical feedback device detects the partially reflected light from the beam splitter and generates a feedback signal to modify an intensity of the light emitted by the light source. Embodiments of the self-calibrating optical feedback system maintain the output intensity of a laser driven optical navigation device below an eye-safety level.06-04-2009
20110141020OPTICAL NAVIGATION DEVICE - A pointing device includes a light source which is detected to determine the motion of the pointing device. The pointing device further includes a sensor which is adapted to detect light from the light source in one type of operation to thereby determine the motion and which is adapted to detect ambient light in a second type of operation.06-16-2011
20090073123Computer input device and method of manufacturing same - In one embodiment, a computer input device (03-19-2009
20110141022METHOD AND ARRANGEMENT FOR TRACKING MOVEMENT RELATIVE TO A SURFACE - In an embodiment, a method of tracking movement relative to a surface involves comparing at least some data elements of a first array with at least some of data elements of a second array if it is determined, from an examination of the first array of data elements, that a characteristic condition does not exist in the first array of data elements, wherein the characteristic condition is related to the uniformity of at least a majority of the data elements of the first array.06-16-2011
20110221676OPTICAL MOUSE WITH TOUCH SENSITIVE TOP - An optical mouse with touch sensitive top includes a curved top including front clickable right and left buttons and a touch sensitive member extending rearward from the buttons, the touch sensitive member including a plurality of virtual buttons which are sensitive to touch; and a capacitive sensor assembly under the touch sensitive member and including first and conductive layers each being flexible and curved. In addition to button clicking and wheel scrolling, a user may press the virtual button for computer operation similar to a touchscreen operation.09-15-2011
20090251415Optical Pointing Device - An optical pointing device includes an illumination system, an imaging system and at least one diffraction element. The illumination system includes a light source for providing a light beam to a reflective surface outside the optical pointing device. The imaging system includes an image sensor disposed on a transmission path of the light beam after being reflected by the reflective surface. The at least one diffraction element is disposed in the illumination system and/or the imaging system and disposed on the transmission path of the light beam to change the transmission path of the light beam. The present optical pointing device can achieve the advantage of small volume.10-08-2009
20100013771MOUSE HAVING SHAKE-ELIMINATION FUNCTION WHEN LEAVING WORKING PLANE - A mouse having a shake-elimination function when leaving a working plane is provided. A light sensing unit detects a light emitted by a light emitting unit toward a working plane or a column shaped member, and outputs a detection signal. A microprocessor determines whether the mouse is apart from the working plane according to the detection signal. When it is determined that the mouse is positioned apart from the working plane, the microprocessor clears the displacement amount obtained from the communication interface of the optical displacement sensor, and meanwhile the microprocessor inform the computer that the mouse is apart from the working plane. In such a way, when the user lifts the mouse up from the working plane, the displacement signal outputted from the optical displacement sensor won't cause the cursor shake.01-21-2010
20100182238 INPUT DEVICE THAT ADJUSTS ITS OPERATION MODE ACCORDING TO ITS OPERATION DIRECTION AND A CONTROL METHOD THEREOF - An input device that adjusts its operation mode according to operation directions includes a movement sensing module, an operation direction control unit, a micro-control unit, and a transmission module. The movement sensing module for sensing a plurality of reflection images relative to a light source that is reflected by a reflection surface. Furthermore the movement sensing module obtains a movement displacement amount and a movement direction of the input device according to pattern variations between the reflection images. The operation direction control unit provides an operation direction of the movement sensing module. The micro-control unit converts the movement direction sensed by the movement sensing module according to the operation direction of the movement sensing module. The transmission module transmits the movement displacement amount and the converted movement direction of the input device to a host terminal so as to control a cursor displayed on the host terminal.07-22-2010
20100188337COMPUTER MOUSE PROVIDING A TOUCHLESS INPUT INTERFACE - A computer input device, such as a mouse, has a processing circuit, a memory having instructions for controlling operations of the processing circuit, a surface movement sensor in communication with the processing circuit providing to the processing circuit first signals indicative of sensed movement of the computer input device upon a surface, and one or more touchless sensor subsystems in communication with the processing circuit providing to the processing circuit second signals indicative of sensed surface movements relative to the computer input device occurring in spaced proximity to the computer input device. A transmission circuit under control of the processing circuit issues transmissions to a computer representative of the first and second signals to cause regions or locations on a computer display screen to be pointed to, to cause information which is represented on the computer display screen to be moved and/or selected, to cause locations on the computer display screen to be designated, etc.07-29-2010
20100245249Ergonomic Mouse Device with Multi-Programmable Buttons - Pointing devices such as computer mouse are commonly used for making selections on computer screens. However, prolong or frequent use of such pointing devices might result in users suffering from repetitive stress disorder. Further, due to the widespread use of personal computers (PC), this problem is made more even pronounced. In addition, users increasingly require additional buttons to be provided on the computer mouse for purposes such as PC gaming. Although device manufacturers have started building more buttons on existing computer mice, the buttons are typically not ergonomically positioned. An embodiment of the invention describes an ergonomic input device with multi-programmable buttons.09-30-2010
20100214224LIGHT BEAM SHAPING ELEMENT FOR AN OPTICAL NAVIGATION INPUT DEVICE - An optical navigation input device with a light guide which acts as a beam shaping element. The optical navigation input device includes a light source and the light guide. The light source emits a light beam having a substantially elliptical or substantially circular cross section. The light guide is positioned relative to the light source to receive the light beam from the light source in a first direction. The light guide also redirects the light beam in a second direction toward an illumination surface at a non-zero angle of incidence. The light guide directs the light beam through a refraction interface in order to illuminate a substantially circular area on the illumination surface.08-26-2010
20100207886APPARATUS AND METHOD FOR REDUCING BATTERY POWER CONSUMPTION IN A PORTABLE TERMINAL - An apparatus for reducing battery power consumption of a portable terminal are provided. The apparatus and the method uses information surrounding a mouse function as a value of a light sensor to adjust an LCD brightness. The apparatus includes a sensor part for determining first sensing information for determining whether a function using ambient brightness information operates, and second sensing information for determining the ambient brightness; wherein an adjustment to a screen brightness of the portable terminal is made using the second sensing information when the first sensing information is not operative.08-19-2010
20130127721OPTICAL FINGER MOUSE, MOUSE CONTROL MODULE AND PHYSIOLOGY DETECTION METHOD THEREOF - There is provided a mouse control module including two light sources, an image sensor, a processing unit and a communication unit. The two light sources emit light of different wavelengths to illuminate a finger surface. The image sensor receives reflected light from the finger surface to generate a plurality of image frames. The processing unit detects a displacement of the finger surface and a physiological characteristic of a user according to the plurality of image frames. The communication unit encodes and/or sequences the displacement and the physiological characteristic so as to generate finger and physiology information. There is further provided an optical finger mouse.05-23-2013
20130127722KEYBOARD MODULE AND DISPLAY SYSTEM - There is provided a keyboard module including a plurality of keyboard keys, an optical finger mouse and a transmission interface. The keyboard keys are configured to trigger a digital signal. The optical finger mouse is configured to detect a physiological characteristic and a displacement. The transmission interface is configured to send the digital signal, the physiological characteristic and the displacement to a display device. There is further provided a display system.05-23-2013
20090167686MOUSE WITH SCANNING MODULE - A mouse includes a body, and a scanner. The body includes a first surface, an opposite second surface, and a recess defined in the second surface. The scanner received in the recess includes a housing defining a scanning window, an optical scanning unit received in the housing and an imaging sensor package. The optical scanning unit includes a light source for emitting light through the scanning window towards an object to be scanned, a reflector for reflecting light from the object, and a lens module for focusing the reflected light from the object. The imaging sensor package is received in the housing and is configured for receiving the focused light and generating image data associated with the object.07-02-2009
20090115728OPTICAL IMAGE DETECTING STRUCTURE WITH MULTIPLE FUNCTION - A multiple function optical image detecting structure includes a shell body, a tracing ball, an optical base, a circuit board, a light-emitting element, and an image sensor. The shell body receives the tracing ball. The optical base has a slanted spectroscope that faces part of the spherical surface of the tracing ball and a lens element located on one side of the spectroscope. The light-emitting element and the image sensor are electrically connected with the circuit board. The light-emitting element faces towards the spectroscope and the image sensor faces towards the lens element. The light axial of the projected light generated from the light-emitting element is reflected/transmitted to the surface of the tracing ball via the spectroscope. Thereby, the light is uniformly projected on the tracing ball and the image sensor obtains the image on the lens element to calculate a displacement.05-07-2009
20100295787ERGONOMIC ADAPTIVE MOUSE WITHOUT ORIENTATION LIMITATION - An adaptive mouse is disclosed. In the adaptive mouse, a cover layer made of a moldable material covers a mouse body, and a plurality of sensors is disposed between the mouse body and the cover layer. The sensors are used to sense a hand shape of a user when the user holds the cover layer. The sensors under the left and right finger predicting areas are defined as a left button and a right buttons to allow the user to operate the mouse normally. Then, the displacement signal of the mouse is adjusted. The adaptive mouse may increase comfortableness and relieve fatigue, and it also may be adapted to any holding states without orientation limitation.11-25-2010
20100302158SYSTEM AND METHOD FOR LINEAR AND ANGULAR MEASUREMENTS OF A MOVING OBJECT - A system and method for measuring linear and angular displacement of a moving object, such as an autonomous moving object. In one embodiment, the system comprises at least one optical mouse sensor mounted adjacent to and at a predetermined distance from a surface of the autonomous moving object or a working surface. A processor on the autonomous moving object is operatively coupled to the optical mouse sensor. The optical mouse sensor outputs linear and angular displacement values to the processor during movement of the autonomous moving object to determine a direction and distance traveled by the autonomous moving object.12-02-2010
20130141336SYSTEM AND METHOD FOR LINEAR AND ANGULAR MEASUREMENTS OF A MOVING OBJECT - A system and method for measuring linear and angular displacement of a moving object, such as an autonomous moving object. In one embodiment, the system comprises at least one optical mouse sensor mounted adjacent to and at a predetermined distance from a surface of the autonomous moving object or a working surface. A processor on the autonomous moving object is operatively coupled to the optical mouse sensor. The optical mouse sensor outputs linear and angular displacement values to the processor during movement of the autonomous moving object to determine a direction and distance traveled by the autonomous moving object.06-06-2013
20110109554INTERACTIVE DISPLAY DEVICE AND METHOD, USING A DETECTION CAMERA AND OPTICAL POINTER - In an interactive display device and method, a video projector projects an image on a screen. An optical pointer includes a mouse click signal input button and a light source emitting a light beam for pointing to the screen to form a light mark. A detection camera acquires an image from the screen and detects an image from the light mark. A processing system calculates the position of the light mark in the detected image. The optical pointer includes: a contact or proximity detector capable of detecting a contact between one end of the optical pointer and the screen and generating a light mark presence signal; and moreover a radio transmitter capable of transmitting a light mark presence signal to a processing system. The treatment system compared the respective signals for detecting a light mark and light mark presence to deduce therefrom a validation signal for the light mark.05-12-2011
20110141023INTRODUCED DISPOSITION IN OPTICAL MOUSE, WITH VOICE CAPTURE, TO SEND IN AUDIO FILES - The introduced disposition in optical mouse, with voice capture to send as audio file (FIGS. 06-16-2011
20090207137Method and System for Adjusting Depth of View In Optical Sensor - Method and system are disclosed for adjusting the depth of view in an optical sensor of a pointing device (see FIG. 08-20-2009
20100013772METHOD AND APPARATUS FOR CONTINUOUS KEY OPERATION OF MOBILE TERMINAL - A method for providing a continuous key operation in a mobile terminal that uses an input unit for detecting position movement of an object relative to the input unit depending on a change of an input signal, and a mobile terminal implementing the method, is provided. In the method, whether position movement is detected through the input unit is determined. When the position movement is detected, whether a continuous operation control key is actuated within a predefined time is determined. When the continuous operation control key is actuated within the predefined time, an operation corresponding to the detected position movement is repeatedly performed. The method for the continuous key operation of the mobile terminal provides convenience to a user who uses a directional key service through an optical mouse and a touchscreen.01-21-2010
20100039385Computer Peripheral with Integrated Electromagnetic Radiation Therapy - A computer pointing device that provides electromagnetic radiation therapy to help prevent or promote healing for repetitive stress injury. The device, such as a computer mouse, may include a body and a motion sensing device configured to determine movement of the body relative to a reference point. An EMR-emitting device, such as a plurality of LEDs, may be housed on the body and configured to emit EMR such as visible and/or infrared light within preferred wavelength ranges designed to provide therapeutic affects for the hand of a user.02-18-2010
20090153485USER INPUT DEVICE WITH OPTICAL TRACKING ENGINE THAT OPERATES THROUGH TRANSPARENT SUBSTRATE - A user input device for use with a computing device is provided. The user input device may include a housing with a bottom portion including a substrate that includes a transparent portion. The user input device may further include an optical tracking engine mounted in the housing proximate the substrate and being configured to transmit and/or detect light for tracking movement of the user input device through the transparent portion of the substrate.06-18-2009
20110074684DUST-PROOF COMPUTER MOUSE - A dust-proof computer mouse with scroll function is disclosed. The computer mouse contains a housing having an upper surface and a lower surface, at least one depressible button on the upper surface, a scrolling area on the upper surface, an optical sensor dimple on the lower surface, and a cover layer covering at least an area of the upper surface around the depressible button to prevent dust from entering the interior of the housing through spaces around the depressible button.03-31-2011
20110254770OPTICAL DEVICE - An optical device comprises an outer case including a light transmitting work area, an optical lens inside the outer case, and an optical sensor device inside the outer case, wherein an imaging pathway from the work area through the optical lens to the optical sensor device is non-perpendicular to the work area.10-20-2011
20080278449APPARATUS FOR CAPTURING AND ANALYZING LIGHT AND METHOD EMBODIED THEREIN - An apparatus including an image sensor is disclosed. The apparatus includes a polarization filter, an image sensor, and a processor connected to the image sensor. The polarization filter is adapted to filter out light polarized in a first direction from a first scene. The image sensor is adapted to capture the filtered light, and the image sensor includes support circuits to convert the captured filtered light to image data. The processor is adapted to process the image data to detect features of the first scene. The polarization filter filters out noise component of the image, thus increasing contrast. In another embodiment, a mosaic polarization filter is used to capture a scene in a first image including light from the scene having first polarity and to capture the scene in a second image including light from the scene having first polarity. The two images can be analyzed to determine various characteristics of the scene.11-13-2008
20100302160OPTICAL NAVIGATION DEVICE - An optical navigation device for a computer application includes a radiation source capable of producing a beam of radiation, a sensor for receiving an image, and an optical element for identifying movement of the feature to thereby enable a computer action to be carried out. The optical element is formed from a single piece and includes at least one frustrated total internal reflection (F-TIR) surface capable of affecting frustrated total internal reflection of the beam of radiation in the presence of the feature to thereby generate the image.12-02-2010
20080252602DYNAMICALLY RECONFIGURABLE PIXEL ARRAY FOR OPTICAL NAVIGATION - Embodiments of an apparatus are described. In one embodiment, the apparatus is an optical navigation circuit. In particular, the optical navigation circuit may be part of an optical navigation device. The optical navigation circuit includes an image sensor, dynamic reconfiguration logic, and a digital signal processor. The image sensor includes a pixel array to generate a plurality of electrical signals corresponding to incident light at the pixel array. The dynamic reconfiguration logic is coupled to the image sensor. The dynamic reconfiguration logic is configured to receive the plurality of electrical signals from the pixel array and to generate a plurality of reconfigured electrical signals based on the plurality of electrical signals from the pixel array. The digital signal processor is coupled to the dynamic reconfiguration logic. The digital signal processor is configured to receive the plurality of reconfigured electrical signals from the dynamic reconfiguration logic.10-16-2008
20120200501HYPER MOUSE SYSTEMS - Hyper Mouse Systems comprising a combined beverage holder and pointing device for communicating and remotely operating an electronic device. The beverage holder of Hyper Mouse Systems may have an ergonomic profile comprising a finger handle and a thumb handle. The beverage holder may further comprise a round inner-cavity comprising a holder base which may be impermeable to liquid. The holder base may also comprise adjustable grips for retaining beverage containers of varying sizes. In addition, the beverage holder may comprise a pair of handle recesses for receiving a handle of a beverage container comprising a handle (such as a mug). The pointing device of Hyper Mouse Systems may comprise a pair of clickable buttons, a thumb scrolling wheel, and a surface motion sensor for detecting movement about a surface. Hyper Mouse Systems enables a user to drink a beverage retained by beverage holder while simultaneously remotely operating an electronic device.08-09-2012
20080204416OPTOELECTRONIC MODULE PROVIDED WITH AT LEAST ONE PHOTORECEPTOR CELL - The optoelectronic module (08-28-2008
20080204415Optical Coordinates Input Apparatus, Optical Sensor Module and Method For Assembling Thereof - In an optical coordinate input apparatus, a body includes an opening portion adjacent to a reflective surface, and a circuit board is installed in the body. An optical sensor module is installed in the body adjacent to the opening and separately from the circuit board, and has a light-receiving surface, of which an incident optical axis is inclined with respect to the reflective surface, and a light source, of which an exiting optical axis is inclined with respect to the incident optical axis. Accordingly, the circuit board is easily positioned in the body irrespective of optical and mechanical characteristics of the optical sensor module.08-28-2008
20110260975MOUSE - A mouse includes a base (10-27-2011
20110163959COMPUTER MOUSE WITH VIRTUAL KEYS - A computer mouse in one embodiment includes an arcuate cover comprising a plurality of projections on a top surface; a capacitance trigger assembly aligned with the projections thereabove and comprising a flexible arcuate first capacitive film and a flexible arcuate second capacitive film therebelow; a printed circuit board disposed under the capacitance trigger assembly and comprising a photodetector array on an underside and a microprocessor; and a base releasably secured to the cover and comprising a light guide. In response to a touch of the projection, a button clicking action is triggered.07-07-2011
20110074683INCORPORATING CHROMATIC SENSORS IN COMPUTER MICE - Methods and apparatuses are disclosed that incorporate chromatic sensors in a mouse to vary the operation of the mouse. Some embodiments may include a method of modifying the programming of a mouse that includes sampling, with the chromatic sensor, an optical property of a surface upon with the mouse is operating (such as color of the surface), and then dynamically modifying the programming of the mouse based upon the sampled optical property. In this manner, the operation of the mouse, such as tracking resolution, may be customized based upon the properties of the surface upon which the mouse is operating. Other embodiments may include utilizing the mouse with the chromatic sensor as a scanner to display images on a housing of the mouse.03-31-2011
20100066679POWER SAVING APPARATUS AND METHOD FOR WIRELESS MOUSE - The invention mainly relates to a mouse with a capacitive tact switch incorporated thereto. When the user touches the mouse, the capacitive tact switch in the mouse will sense the proximity and inform the host control circuit immediately. Contrarily, when the user's hand is leaving the mouse, the capacitive tact switch will inform the host control circuit to shut down completely the most power consuming parts such as RF module, CMOS sensor thereby the goal of power saving can be achieved.03-18-2010
20100066680METHODS AND SYSTEMS FOR MEASURING SPECKLE TRANSLATION WITH SPATIAL FILTERS - Two or more spatial filters are used in determining velocity based on speckle translation. A light source may be turned on, turned off, or both for a variable amount of time during operation. The velocity may then be determined with trend identification, correlation, recursive frequency estimation, or measurement bandwidth variation. A confidence level may also be calculated for the measured velocity, and the measured velocity reported or used only when the calculated confidence level meets or exceeds a given value.03-18-2010
20110134040OPTICAL NAVIGATION DEVICE - A device for optical navigation, containing an image sensor which has a large number of image sensor units which are disposed in an array-like manner with respectively at least one light-sensitive surface and at least one lens which is disposed between an object to be imaged and the image sensor. A microlens array is present, at least one microlens being assigned to one image sensor unit.06-09-2011
20110148765OPTICAL MOUSE SOC WITH 8-PINS - SOC (System On Chip) for optical mouse with 8-pins is provided. The SOC of the invention has three power pins for coupling a first power voltage, a second power voltage and ground voltage, a driving pin for controlling a light source, an optical sensing array for receiving reflected light, two signal pins for data exchange with a host and two IO pins. For at least five different switches of the optical mouse that receive touch controls of users, each IO pin receives and distinguishes statuses of multiple switches, such that a total pin count of the IO pins is less than a total number of switches.06-23-2011
20090021483Wireless mousecapable of controlling a handheld wireless communication apparatus - A mouse for controlling the operation of a handheld wireless communication apparatus is disclosed having on the outside thereof, in addition to the basic left button, right button and roller/button, a reset button, a power switch, a joystick button, a mode selector switch and a quick launch button, and on the inside thereof a 2.4 GHz wireless transmission module and a program-controlled microprocessor so that the wireless mouse can be moved by the user on a support surface or operated with the fingers through the joystick button after separation of the wireless mouse from the support surface to shift or change picture frames on the screen of the controlled handheld wireless communication apparatus by means of a radio frequency control.01-22-2009
20090153486OPTICAL MOUSE WITH LIMITED WAVELENGTH OPTICS - Various embodiments of optical mice are disclosed that facilitate off-surface detection while also providing high-contrast images of a tracking surface. In one embodiment, an optical mouse comprises a light source configured to emit light having a wavelength in or near a blue region of a visible light spectrum toward a tracking surface, an image sensor, and an optical band pass filter configured to pass the light having the wavelength in or near the blue region of the visible light spectrum emitted by the light source while filtering red and infrared wavelengths. Further, the mouse also comprises a controller configured to receive image data from the image sensor and to identify a tracking feature in the image data. The band pass filter prevents ambient light in the filtered wavelengths from reaching the image sensor, and thereby facilitates off-surface detection, while the blue color of the incident light and band pass filter provides a high-contrast image for motion tracking.06-18-2009
20100079376INERTIAL MOUSE DEVICE AND ACCELERATION-CALIBRATING METHOD THEREOF - An inertial mouse device includes a main body; an accelerometer unit disposed in the main body for performing a motion-sensing function of the main body with at least two degrees of freedom, and generating a calibration output value when the main body is in a still state; and a microprocessor in communication with the accelerometer unit, receiving and processing the calibration output value with an operation so as to obtain an angle of the accelerometer unit relative to horizon. The microprocessor generates a shift signal when the main body is in a motional state, and performs calibration for the shift signal according to the angle.04-01-2010
20120038554LIFT DETECTION METHOD FOR OPTICAL MOUSE AND OPTICAL MOUSE WITH LIFT DETECTION FUNCTION - A lift detection method for an optical mouse and an optical mouse with a lift detection function are presented. An average brightness value of pixels captured by part of sensing units of an image sensor is computed after each scanning, and two average brightness values obtained from two adjacent times of scanning are compared, to determine a brightness change of the pixels in each scanning, thereby acquiring a placing state of the optical mouse accordingly.02-16-2012
20110304548MOUSE PROVIDED WITH A DOT PATTERN READING FUNCTION - To provide a mouse having a mousse function of being able to input relative position information and a function of being able to input absolute position information while enabling a user to accurately designate a reading position of a code by visual recognition. The mouse is an information input device that reads a dot pattern formed on a medium surface and obtained by patterning XY coordinate values or XY coordinate values and a code value based on a predetermined algorithm, including a casing having a reading hole for reading the dot pattern provided at its bottom, position designation means for designating a predetermined position on the medium surface outside the casing, a dot pattern reading unit for reading the dot pattern on the medium surface just under the reading hole, dot pattern irradiation means for irradiating the medium surface with light to read the dot pattern, and a control unit for calculating the XY coordinate values read by the dot pattern reading unit and a direction of the dot pattern, and correcting the XY coordinate values and the direction of the dot pattern by a predetermined distance and direction, to calculate the predetermined position designated by the position designation means.12-15-2011
20110304547PLANARIZED LASER MOUSE - A planarized laser mouse includes left and right base plates; insulative left and right plate members on the left and right base plates respectively, each plate member comprising stop and retaining grooves; left and right scissor-shaped structure assemblies each having at least one scissor-shaped structure pivotably secured to the stop grooves and the first retaining grooves of the left and right membrane plates beneath respectively; and left and right buttons each comprising, on a bottom, a plurality of pivot grooves, a plurality of second retaining grooves, and a central pressing member aligned with the recess of the elastic member, wherein the pivot and second retaining grooves of the left and right buttons are pivotably secured to the at least one scissor-shaped structure of the left and right scissor-shaped structure assemblies beneath respectively.12-15-2011
20110141021HIGH PRECISION OPTICAL NAVIGATION DEVICE - A handheld optical navigation device may include a first radiation source configured to produce a first beam of radiation onto a surface below the device, a first sensor configured to receive a first image based upon reflected radiation from the surface below the device, and to identify movement of the device based upon the first image for providing a first control action, and a second sensor configured to receive a second image based upon reflected radiation from an object different from the surface below the device, and to identify movement of the object based upon the second image for providing a second control action.06-16-2011
20080266260Apparatus Having Handwriting and Mouse Input Functions - An apparatus having handwriting input and the mouse functions is an external input device of computer field. A handwriting screen is amounted inside a mouse body, and the handwriting screen is connected to a processor. An optical displacement sensor is connected to the processor or can also be located therein. USB interface unit is connected to the processor or can also be located therein. The optical displacement sensor is used to acquire relative coordinate information when the apparatus moves, and the handwriting screen is used to acquire handwriting trace information. The processor is directly connected to USB external interface of the computer through its connection or its embedded USB interface unit to establish a communication. The present invention relates to a structure of the apparatus divided into two parts, i.e. the mouse and the handwriting screen. The present invention has both the mouse and the handwriting input functions, and can implement the mouse and the handwriting input operation at any moment while employ a resistance screen to prevent influence of humidity. Its structural design is reasonable, so its operation is convenient, its bulk is small, and it can be carried conveniently.10-30-2008
20100073294LOW POWER IMAGE SENSOR ADJUSTING REFERENCE VOLTAGE AUTOMATICALLY AND OPTICAL POINTING DEVICE COMPRISING THE SAME - The low power image sensor includes: an image sensing unit which senses light from an object, converts the light into an electric signal, and outputs the electric signal; a comparing unit which receives an electric signal from the image sensor, compares a voltage level of the electric signal with a reference voltage, and outputs an image signal as a 1 bit signal per pixel; and an effective image adjuster which compares bit value distribution of an image signal output from the comperator with a preset effective range, and adjusts the effective image to output an effective image. Further, an optical pointing device includes: an image sensor which senses light from an object and outputs an image signal; and a motion computing unit which receives the image signal and compares before and after images to calculate a motion vector.03-25-2010
20110050573TRACKING MOTION OF MOUSE ON SMOOTH SURFACES - Embodiments are disclosed herein that are related to computer mice configured to track motion on smooth surfaces. For example, one disclosed embodiment provides an optical mouse comprising a light source configured to illuminate a tracking surface, an image sensor, and an array of lenses configured to superimpose a plurality of images of spatially different areas of the tracking surface onto the image sensor. The optical mouse further comprises a controller configured to receive a plurality of time-sequenced frames of image data from the image sensor, to detect motion of the mouse on the tracking surface from movement of one or more tracking features in the plurality of time-sequenced frames of image data, and to output a motion signal.03-03-2011
20090027343Trajectory-estimation apparatus and method based on pen-type optical mouse - A trajectory-estimation apparatus and method that can estimate the trajectory of a pen-type optical mouse in a pen-up state. The trajectory-estimation apparatus includes a timer module calculating time for which an optical input device moves in a first state of the optical input device that produces a trajectory, and a trajectory-estimation module estimating the trajectory of the optical input device in a period where a distance between the optical input device and a work surface exceeds a threshold value, based on at least one of the calculated time and a moving speed of the optical input device.01-29-2009
20100309128COMPUTER MOUSE - A wireless computer mouse includes a first operating portion, a second operating portion, a circuit board, and a switch. A pair of LEDs is mounted on the circuit board. One of the LEDs corresponds to the first operating portion, and another LED corresponds to the second operating portion. An optic member is mounted on the circuit board. The optic member includes two opposite reflecting portions. Each of the reflecting portions corresponds to one LED, and each of the reflecting portions is configured to reflect the light of the corresponding LED to highlight a surface underneath the mouse. The switch is configured for selectively enabling the first operating portion and the second operating portion. When the first operating portion is enabled, the LED corresponding to the first operating portion lights. When the second operating portion is enabled, the LED corresponding to the second operating portion lights.12-09-2010
20100103108HYBRID LOW POWER COMPUTER MOUSE - Operating a pointing device in a low power manner by receiving first tracking information from a first tracking device, de-activating the first tracking device when the accuracy of the first tracking information is determined to be inadequate, activating a second tracking device in order to acquire second tracking information when the first tracking device is deactivated, wherein the first tracking device is substantially lower power device that the second tracking device.04-29-2010
20110316782OPTICAL MOUSE WITH LIGHT SOURCE AND LIGHT SOURCE SWITCHING METHOD THEREOF - An optical mouse includes an optical sensor, a number of different light sources, a light source switching module, and a controller. The controller determines the intensity of the reflected light sensed by the optical sensor when any of the light sources is turned on. If the determined intensity is less than a predetermined value, the controller directs the light source switching module to turn off a currently turned on light source and turn on another one of the light sources in sequence. A related light source switching method is also provided.12-29-2011
20090256804Cob module of an optical mouse - A COB module of an optical mouse has a controller circuit and optical components of the optical mouse integrated thereon, so as to improve the problem with conventional optical mice that light path shifting tends to occur and improve the imaging definition. By disposing a button and wheel mechanism independently outside the COB module, the optical mouse has significantly improved flexibility in design, lower cost related to design alteration, and relaxed requirements on alignment and correction during production.10-15-2009
20110057882COMPUTER INPUT DEVICE FOR AUTOMATICALLY SCROLLING - A computer input device includes a body and a trace-detecting module coupled to the body. The body has a micro control unit (MCU), and the trace-detecting module has at least a light pervious area, and a trace-detecting unit. The trace-detecting unit further has at least a light source and a sensor. The sensor senses a reflected light beam caused by movement of a user's digit movement on the light pervious area at a velocity which can be sensed by the sensor. If the velocity exceeds a threshold stored in the MCU, the MCU executes automatically scrolling.03-10-2011
20090027342OPTICAL MOUSE - An optical mouse (01-29-2009
20110095982COMPUTER MOUSE - A computer mouse includes a housing and two wheels that are capable of rolling on a supporting surface. A first pair of light sources and a second pair of light sources are arranged at one side of the two wheels, respectively. A light sensor changes from a first state to a second state after receiving light, and changes from the second state to the first state after the light is blocked. A driving module is used for successively turning on the first pair of light sources and the second pair of light sources in a first frequency. A scanning module is used for scanning the light sensor in a second frequency, to obtain states of the light sensor. A controlling module is used for generating data representative of movement of the housing according to the states of the light sensor.04-28-2011
20120007806MULTIFUNCTIONAL MOUSE, COMPUTER SYSTEM, AND INPUT METHOD THEREOF - A multifunctional optical mouse includes a first light sources, a second light source, an orientation detecting unit, a transparent touch input area, an imaging unit and a processing unit. The second light source is arranged along a side of the transparent touch input area. The system includes a multifunctional optical mouse, and a computer. The system is switched between a mouse mode and a touch input mode according to the orientation of the mouse. The present disclosure also provides an input method applied in the computer system.01-12-2012
20120056813SHAPE-CHANGEABLE CAMERA MOUSE - A shape-changeable camera mouse includes a first casing and a second casing. The first casing includes an image pickup module for shooting an object. When an included angle is defined between the first casing and the second casing, the shape-changeable camera mouse is operated in a mouse mode. Whereas, when the first casing and the second casing are parallel with each other, the shape-changeable camera mouse is operated in a camera mode.03-08-2012
20120206360Mouse Pen and Photoelectric Control Switch Thereof - A mouse pen and a photoelectric control switch thereof are provided, the photoelectric control switch includes a control rod in a shell moving between on-position and off-position, an optical coupling sensor comprising a light emitter and light receiver disposed on an extension line of the control rod, and an elastic element for resetting the control rod. The control rod includes a first end near the optical coupling sensor and equipped with a reflection element, and a second end for driving the control rod towards the optical coupling sensor which protrudes an orifice of the shell; at the on-position, light emitting from the light emitter is received by the light receiver after being reflected by the reflection element, while at the off-position, light cannot be received. The photoelectric control switch implements non-contact on/off controlling with the optical coupling sensor and the control rod, responses sensitively, and has longer lifetime.08-16-2012
20090135140SYSTEM AND METHOD FOR ACCURATE LIFT-DETECTION OF AN INPUT DEVICE - Various systems and methods are employed for lift-detection. Beam triangulation can be used, and in one embodiment, an optical lift detection module is separate from the optical tracking module. In one embodiment, a capacitive lift detection technique is used. A capacitor is built into the bottom case of the mouse. When the mouse is resting on a surface, the surface material serves as a dielectric for the capacitor, while air serves as the dielectric when the mouse is lifted. This dielectric change leads to a change in the capacitance value, leading to detection of lift. In one embodiment, a capacitor with an easily compressable material inserted between the two electrodes is used. In another embodiment, a mechanical plunger with an elastic membrane is used for lift detection. Lift detection can be tunable and/or customizable. The actual height of the life can be detected, rather than simple on-off notifications.05-28-2009
20090135141Mouse with in-the-air positioning function and computer device using the same - A mouse with coordinate and suspension positioning functions, which receives a directional light produced by an external illuminator. A second image sensor receives and converts the directional light into an electrical signal, and accordingly produces a directional image corresponding to the directional light. A second memory stores the directional image. When an image captured by a first image sensor cannot be focused, a processor enables the second image sensor and the second memory in order to analyze the directional image and obtain a rotating angle of the directional light for further fulfilling a coordinate positioning.05-28-2009
20110095983OPTICAL INPUT DEVICE AND IMAGE SYSTEM - An optical input device includes at least two bodies for being moved on a surface, and a processing unit for obtaining a relative motion between the bodies and for updating the picture shown by the image display according to the relative motion. The present invention further provides an image system.04-28-2011
20110069009ELECTRONIC DEVICE WITH CURSOR CONTROLLING APPARATUS - An apparatus includes an electronic device. The electronic device includes a cursor controlling apparatus which is detachably mounted to the electronic device. The cursor controlling apparatus includes a touchpad mounted on a top portion of the cursor controlling apparatus, a mouse module mounted in the cursor controlling apparatus, and a controller connected to the touchpad and the mouse module. The controller is capable of detecting whether the cursor controlling apparatus is mounted to the electronic device. The controller enables the touchpad and disables the mouse module when the controller detects the cursor controlling apparatus is mounted to the electronic device. The controller enables the mouse module and disables the touchpad when the controller detects the cursor controlling apparatus is not mounted to the electronic device.03-24-2011
20120119994ROTATABLE LIGHT SOURCE DEVICE - A rotatable light source device includes an upper cover, a circuit board, plural light-emitting elements and a base. The circuit board is disposed under the upper cover, and connected with the upper cover. The light-emitting elements are mounted on the circuit board. One of the light-emitting elements is electrically connected to a power source to illuminate. The base includes a receptacle for accommodating the upper cover and the circuit board. By rotating the upper cover and the circuit board with respect to the base, another of the light-emitting elements is electrically connected to the power source to illuminate.05-17-2012
20100289745SYSTEM AND METHOD FOR AUTOMATICALLY ADJUSTING LIGHT SOURCE DRIVE CURRENT DURING OPTICAL NAVIGATION OPERATION - A system and method for automatically adjusting a drive current to a light source during an optical navigation operation uses brightness characteristics of captured frames of image data to determine whether each of the frames of image data belongs to one of at least first and second types of frames of image data. The drive current is adjusted depending on counts of the frames of image data belonging to the first and second types of frames of image data.11-18-2010
20120127077METHOD AND APPARATUS FOR DETECTING DISPLACEMENT WITH SUB-PIXEL ACCURACY - A method of detecting displacement with sub-pixel accuracy includes the steps of: capturing a first array image and a second array image; interpolating the first array image to form a reference image; interpolating the second array image to form a comparison image; comparing the reference image with the comparison image so as to obtain a displacement. The present invention also provides an apparatus for detecting displacement with sub-pixel accuracy.05-24-2012
20120127076OPTICAL NAVIGATION WITH A DYNAMIC SQUAL THRESHOLD - A system and method for tracking movement between a surface and an optical navigation device are described. In an embodiment, the optical navigation device has an image sensor that includes an array of pixels and motion tracking involves acquiring image information, the image information including pixel values that correspond to the pixels, calculating a surface quality (SQUAL) value from the image information, determining a level of saturation of the pixel array from pixel values of the image information, comparing the determined level of saturation of the pixel array to a saturation threshold, increasing a SQUAL threshold if the determined level of saturation of the pixel array is greater than the saturation threshold, and deciding whether or not to output motion tracking information in response to a comparison of the SQUAL value to the SQUAL threshold. Other embodiments of the method are also described.05-24-2012
20100271306Multi-Mode Optical Navigation - A system and method is provided for selecting a light source in a pointing device such as a mouse. The selection of the light source may be based on attributes of a received image, which are in turn based on reflected light received at the pointing device from the tracking surface. Because the attributes of the receive image are related to characteristics of the tracking surface over which the pointing device is moved, an illumination source appropriate for a particular surface type can be chosen.10-28-2010
20100271305OPTICAL MOUSE DEVICE AND OPTICAL DETECTING MODULE THEREOF - A mouse pen has an aspheric lens and a sensor disposed in a housing with an opening, wherein the aspheric lens is interposed between the sensor and the opening. The aspheric lens is tilted. The tilting angle and the position of the aspheric lens define the best resolution point for the sensor, which is different from the focus of the aspheric lens.10-28-2010
20110095984OPTICAL NAVIGATION SYSTEM AND METHOD OF ESTIMATING MOTION WITH OPTICAL LIFT DETECTION - An optical navigation system and method of estimating motion uses a plate with an aperture, a photodetector and an optical system for optical lift detection. The optical system is configured to direct an input light to a target surface through the aperture of the plate and to direct the input light reflected from the target surface and transmitted back through the aperture of the plate toward the photodetector to be detected by the photodetector for lift detection.04-28-2011
20100001956HANDHELD TERMINAL - Provided is a handheld terminal. The handheld terminal includes a case having a through-hole formed at one side thereof; and an optical module constituted by a circuit board in which a light source for irradiating light and a sensor for receiving the light are installed, a lens disposed at one side of the circuit board and inserted into the through-hole, and a support bracket disposed at the other side of the circuit board. Therefore, it is possible to uniformly maintain the height of the sensor for receiving light based on the thickness of the lens to maintain a certain depth of focus.01-07-2010
20090021484OPTICAL POINTING DEVICE AND AUTOMATIC GAIN CONTROL METHOD THEREOF - Provided are an optical pointing apparatus and an automatic gain control (AGC) method thereof. The optical pointing apparatus includes: an image sensor comprised of a plurality of pixels, for receiving light reflected by a work surface, sensing image data, and outputting an electrical signal; an automatic gain control (AGC) unit for receiving the electrical signal, controlling the gain of the electrical signal according to brightness and darkness from images of the work surface and the motion speed of the optical pointing apparatus, and outputting a gain output signal; and an image data processor for receiving the gain output signal, analyzing brightness and darkness from images of the work surface to control the gain of the electrical signal, detecting the motion speed of the optical pointing apparatus to control the gain of the electrical signal, and calculating and outputting the motion speed of the optical pointing apparatus.01-22-2009
20120229387COMPUTER INPUT APPARATUS - A computer input apparatus is disclosed which has improved safety control. Computer input devices with coherent light sources are popular. However, coherent light sources may cause serious and unrecoverable injuries to human eyes. Accordingly, there are several safety specifications defined by manufacturers and governments. Therefore, an improved device is disclosed that includes a calibration circuit and a fault detection circuit to control the operation current of a coherent light source to be within the safety specifications range, and to monitor for fault conditions. Furthermore, a computer input apparatus with coherent light source can be operated without the traditional optical lens.09-13-2012
20110037700COMPUTER ACCESSORY DEVICE - A computer accessory device configured to communicate with a computer includes a two-dimensional sensor array configured to generate image data as the device is moved over a surface. A first memory is configured to store a first set of images based on a first set of the image data. A second memory is configured to store a second set of images based on a second set of the image data. The second set of images is configured to be stitched-together into a stitched-together image. At least one controller is configured to generate navigation information based on the first set of images. The navigation information is indicative of displacement and rotation of the device.02-17-2011
20110037699OPTICAL PEN MOUSE CAPABLE OF MAGNIFYING DISPLAYED OBJECT AND METHOD OF MAGNIFYING DISPLAYED OBJECT USING THE SAME - Disclosed herein are an optical pen mouse capable of magnifying a displayed object and a method of magnifying a displayed object using the same. The optical pen mouse includes a magnification setting unit and a microcomputer. The magnification setting unit inputs a magnification (M) so as to adjust a size of an object to be displayed on the monitor of a computer. The microcomputer calculates input coordinate values (X,Y) (a horizontal coordinate value, a vertical coordinate value) based on an electrical signal from the light receiving unit, and, when the magnification (M) is received from the magnification setting unit, calculates display coordinate values (X′,Y′) based on the input coordinate values (X,Y) and the magnification (M), converts the calculated display coordinate values (X′,Y′) into a coordinate data code, and outputs the coordinate data code.02-17-2011
20120092258SPECKLE INTERFERENCE LASER TRACKING - An optical tracking system is disclosed that provides more precise tracking and better performance in an optical mouse. It involves provides a collimated laser, and imaging a reflection of the collimated laser, such that the reflection has a substantially linear phase gradient. The reflection of the laser includes a pattern of speckles due to optical interference effects. The speckles are imaged such that the substantially linear phase gradient restricts any variation in intensity of the imaging of the speckles during a translating motion of the reflection, thereby providing superior tracking performance.04-19-2012
20120092257COMPUTER INDEXING DEVICE - Disclosed is an indexing device. A first sensing unit, a second sensing unit, and a control unit are primarily disposed in the indexing device. The control unit couples to the first sensing unit and the second sensing unit. The control unit receives a first move detection signal outputted by the first sensing unit, and receives a second move detection signal from the second sensing unit. The variance of the first move detection signal and/or the second move detection signal is referred to compute a cursor control signal. Further, the first sensing unit or the second sensing unit is slidably disposed in the device's casing. This movable sensing unit allows the cursor control correlated to the moving indexing device more accurate, more stable and/or faster responsive to the user's operation.04-19-2012
20120287047Method and apparatus to control computer time out - A method controls time-outs during a computer program. The method comprises the step of providing a computer including a display screen; a program on the computer; an optical mouse in communication with the computer to manipulate a cursor on the display screen during operation of the program; a landing shaped and dimensioned to receive the optical mouse in a selected position on the landing; and, a movable element in the landing positioned to be sensed, when the element moves, by the optical mouse when the mouse is in the selected position on the landing. The method also comprises the steps of operating the computer program; positioning the mouse on the landing in the selected position; and, moving the movable element to be sensed by the optical mouse.11-15-2012
20100207885OPTICAL INPUT DEVICE AND OPERATING METHOD THEREOF, AND IMAGE SYSTEM - An optical input device includes a first body, a second body and a processing unit. The first body is moved on a surface. The second body performs relative motion with respect to the first body. The processing unit obtains a displacement of the first body on the surface and a relative variation between the second body and the first body, controls at least one cursor according to the displacement, and controls the update of an image display according to the relative variation. The present invention further provides an operating method of an optical input device and an image system.08-19-2010
20100207884OPTICAL NAVIGATION DEVICE WITH PHASE GRATING FOR BEAM STEERING - An optical navigation device with a phase grating for beam steering. The optical navigation device includes a light source, and image sensor, and a beam steering element. The light source directs a light beam toward a navigation surface. The image sensor receives light along an imaging path and generates a navigation image of the navigation surface from the light received along the imaging path. The beam steering element is disposed between the navigation surface and the image sensor. The beam steering element receives reflected light from the navigation surface along a specular reflection path. The beam steering element directs a first portion of the reflected light along the imaging path toward the image sensor. The beam steering element directs a second portion of the reflected light along a beam steering path away from the imaging path.08-19-2010
20130009874SHAPE-CHANGEABLE MOUSE - A shape-changeable mouse includes a first casing, a second casing, a push rod, a sliding element and a third casing. The push rod is pivotally coupled with the first casing and the second casing. The second casing has a first positioning hole and a second positioning hole. The sliding element has a positioning post. The third casing is used for storing a sensor. The third casing is rotatable relative to the first casing to lie flat on a sensing surface. In a case that the positioning post is inserted into the first positioning hole, a first angle is defined between the first casing and the second casing. Whereas, in a case that the positioning post is inserted into the second positioning hole, a second angle is defined between the first casing and the second casing.01-10-2013
20130016041High Resolution Mouse - A high resolution mouse includes an illumination source, a sensor, lens is formed along optical path between the illumination source and the sensor; a resolution enhancing element is formed on the sensor and between a reflection surface of an object and the sensor to improve pitch resolution; wherein an index of reflection of the resolution enhancing element is greater than one; wherein the resolution enhancing element includes liquid, gas or solid material.01-17-2013
20080231600Near-Normal Incidence Optical Mouse Illumination System with Prism - Disclosed are various embodiments of an optical mouse illumination system that provides near-normal incidence of light beams upon a surface without employing complicated beam-splitter assemblies, and without employing near-grazing incidence methods of illumination. The optical mouse illumination systems disclosed herein provide higher efficiencies than most prior art optical mouse illumination systems, and yet are less expensive and less complicated to manufacture. The systems disclosed herein are also well adapted for use in battery-powered mouse applications. Illumination prisms forming portions of the systems disclosed herein may or may not have total internal reflection (TIR) mirrors incorporated therein. Roof prisms of various types may be employed in conjunction with TIR mirrors and illumination prisms to eliminate or reduce the effect of dark spots in the beam of light emitted by the light source. Coherent or incoherent light sources may be employed with the optical systems described herein.09-25-2008
20110273370DEVICE FOR ENTERING CONTROL SIGNALS TO A PERIPHERAL UNIT - The invention pertains to a device for entering control signals to a peripheral unit. The device contains means which sense movements of the device relative to an essentially flat surface, such that movements of the device on the essentially flat surface fills the same function as the movements of a standard computer mouse. The part of the device graspable by a user is rotatable in a plane relative to the part of the device containing means for sensing movements relative to the essentially flat surface. The invention also concerns a combination of such a device and a peripheral unit.11-10-2011
20130176224OPTICAL NAVIGATION SENSOR MODULE OF OPTICAL MOUSE AND METHOD FOR MANUFACTURING THE SAME - An optical navigation sensor module of an optical mouse includes a substrate with a lower surface; an image sensor arranged on the lower surface; and a light-emitting chip package using a SMD package electrically connected to the lower surface of the substrate. The light-emitting chip package emits a light beam to a tabletop and the tabletop reflects the light beam to the image sensor device. A method for manufacturing the optical navigation sensor module is also provided. This optical navigation sensor module of an optical mouse may reduce the optical loss, improve the sensitivity of the optical mouse and promote the production yield.07-11-2013
20130113705OPTICAL MOUSE AND OPERATING METHOD THEREOF - There is provided an operating method of an optical mouse including a first mode and a second mode. In the first mode, the optical mouse detects a finger displacement, a contact status and a physiological characteristic according to a plurality of image frames associated with a finger surface. In the second mode, the optical mouse calculates a mouse displacement according to a plurality of image frames associated with a work surface. There is further provided an optical mouse.05-09-2013
20130093678OPTICAL NAVIGATION CHIP USED IN AN OPTICAL MOUSE - An optical navigation chip cooperated with a light source for being used in a mouse is provided. The mouse transmits a mouse signal to a computer for navigation control. The optical navigation chip includes an optical sensing array and a circuitry. The optical sensing array is utilized for receiving a reflected light from a surface indicating features of the surface for generating a digital frame corresponding to intensity variation caused by the reflected light. The circuitry is coupled to the optical sensing array, and utilized for generating a digital displacement signal by monitoring the intensity variation of two different digital frames, wherein the two digital frames are captured by the optical sensing array at two different time. Additionally, the mouse suspends the mouse signal to the computer if the intensity variation is flat.04-18-2013
20130100023CLICK-EVENT DETECTION DEVICE - There is provided a click-event detection device including a light source, a light control unit, an image sensor and a processing unit. The light control unit is configured to control the light source to illuminate a finger. The image sensor receives reflected light from the finger to accordingly output a plurality of bright image frames and dark image frames. The processing unit is configured to calculate a differential image characteristic between the bright image frames and the dark image frames, to determine a plurality of operating states according to the differential image characteristic, to count a residence time at each of the operating states, and to identify a click-event according to the operating states and the residence time.04-25-2013
20080211774CORDLESS MOUSE APPARATUS HAVING INTERNET PHONE BASED ON BLUETOOTH PROTOCOL, OPERATION METHOD THEREOF, AND COMMUNICATION SYSTEM HAVING INTERNET PHONE BASED ON BLUETOOTH PROTOCOL - A Bluetooth-based cordless mouse apparatus has a communication function of an internet phone and optionally further has a USB mass storage so as to enhance a user's convenience and improve voice quality. This apparatus provides several functions such as a wireless mouse, a wireless keypad, a USB mass storage, a wireless presenter, and a wired/wireless phone through a single Bluetooth protocol based device, and allows letter/number input in presentation. A wired/wireless phone-based terminal in a communication system has a Bluetooth-based wireless camera module and an image transmission function via an internet network or a public network to realize a remote security function. This system allows a user, who is out, to check inner conditions of a home by using a mobile phone or an internet-connected computer, thus realizing home monitoring using an embedded camera module.09-04-2008
20080204414Mouse cable management - Disclosed are embodiments of portable electronic devices, such as computer mice, which have structures for temporarily storing a cable and/or electrical connector between uses. Some embodiments include structures and/or mechanisms for releasably attaching the electrical connector with a computer mouse or other peripheral device. Some embodiments may also include a storage mechanism for storing at least a portion of the cable. The storage mechanism may comprise a cable winding mechanism. Thus, the cable and electrical connector of the device may be conveniently stored for travel and/or between uses. In some embodiments designed for use in connection with optical mice, the device may also be configured such that an optical component window is covered while the cable and/or electrical connector are being temporarily stored.08-28-2008
20080198133Pen-Type Optical Input Device - The pen-type optical input device of the present invention is utilized for controlling the cursor of operating system of electronic device. The pen-type optical input device comprises a main body, a circuit board and an opaque ball. Therefore, the operational efficiency is improved and the input device is utilized whether the axis plane is transparent or not due to the ball location.08-21-2008
20100060583Input devices operable by reflected light - An optical input apparatus including light sources, light receiving areas, and processing circuits. The light from the sources can be reflected by fingers into the receiving areas where the incident light can trigger electrical signals. The processing circuits can process the signals and transmit corresponding data entry or pointing information to host computer or other electronic systems.03-11-2010
20100302159OPTICAL NAVIGATION DEVICE - An optical navigation device includes an optical transmission element, operable in use to transmit light from an illumination source to a sensor via a mousing surface, and a housing unit. The optical transmission element may have an alignment shaft. Ideally the optical transmission element and housing unit are assembled to a substrate by snap-fit. The alignment shaft ensures that the optics are properly aligned to the substrate and the light source and sensor thereon.12-02-2010
20090309834Laser Pointer Mouse - An apparatus includes a monitor, a camera for sensing an image on the monitor, a translucent material positioned between the monitor and the camera, and a processor for receiving the sensed image from the camera, determining a location of a laser spot with respect to the sensed image, and controlling an aspect of the display in response to the location of the spot. A method performed by the apparatus is also provided.12-17-2009
20120274564Activity Sensing Using Piezoelectric Sensors for Ultra Low Power Operation of Devices with Significant Inactivity Time - A system and method for reducing power consumption in an inactive device. Based upon inputs received from one or more sensors, a processor in a device determines that the device has not moved or has been inactive for a predetermined period. One or more components of the device are placed in an inactive state or in a sleep mode when the device has been inactive for the predetermined period. The inactive state or sleep mode requires less power consumption by the components than an active mode of operation. A piezoelectric sensor in the device is used to detect movement. The piezoelectric sensor provides an input signal to the processor upon detecting movement of the device. The one or more components are placed in the active mode in response to the input signal.11-01-2012
20110234497COMPUTER PERIPHERAL FOR SCANNING - A computer peripheral that may operate as a hand-held scanner and, in some embodiments, also as a conventional computer mouse. The components incorporated in the device to support scanning may be compact and may be positioned to allow flexibility in shaping a housing of the device. As a result, the device may be ergonomically shaped to facilitate hand-held use as either a scanner or a mouse. Controls, for mouse or scanner operation, may be readily incorporated into the device. The components may also be low cost. Such a low cost, compact design may be achieved through an appropriate selection of curved reflective surfaces in optical paths through the housing. The curved reflective surface may selectively focus or spread light traveling along an optical path, reducing or eliminating the need for lenses and may enable light emitting elements and an image array to be mounted on the same printed circuit board.09-29-2011
20120280912COMPUTER MOUSE PROVIDING A TOUCHLESS INPUT INTERFACE - A computer input device, such as a mouse, has a surface movement sensor in communication with a processing circuit for providing to the processing circuit first signals indicative of sensed movement of the computer input device upon a surface, and one or more touchless sensor subsystems in communication with the processing circuit for providing to the processing circuit second signals indicative of sensed surface movements relative to the computer input device. A transmission circuit under control of the processing circuit issues transmissions to a computer representative of the first and second signals.11-08-2012
20120280911INDICATING DEVICE USED FOR A PROJECTION SYSTEM - An indicating device used for a projection system is provided. The indicating device comprises a body, a transmission device and a photovoltaic conversion device. The transmission device is disposed in the body to emit a signal. The photovoltaic conversion device is disposed on the body and partially converts the optical energy into electrical power for the projection image.11-08-2012
20110291932COMPUTER MOUSE - A computer mouse includes a control module and a light emitting module connected to the control module. When the light emitting module is connected to a power supply of a computer by the control module, the control module detects intensity of ambient light around the computer mouse and controls the light emitting module to turn on/off according to the detected ambient light intensity.12-01-2011
20110291931COMPUTER MOUSE - A computer mouse includes a driver module, a plurality of wheels, a control module, and a plurality of sensors. The control module is electrically connected to the driver module and the sensors, and is capable of controlling the driver module to drive the wheels. The driver module is capable of providing driving force and driving the wheels. The sensors are capable of sensing movement information of the computer mouse, and the control module controls the driver module to adjust the movement state of the wheels according to the movement information. Thus, the sensors can accurately sense and obtain the movement information to prevent the computer mouse from falling from a support plane.12-01-2011
20110310018OPTICAL NAVIGATION SYSTEM WITH LIFT DETECTION - An optical navigation system with a lift detection module is provided for preventing cursor movement if the optical navigation system has been lifted from the navigation surface. The optical navigation system may include an image sensor, a controller and a lift detection module. The lift detection module may be operatively coupled with the image sensor and the controller to selectively report a motion data upon determining a lift by comparing the average of the photosensitive pixel elements with a pixel element threshold value and the surface quality value with a surface quality threshold value. The lift detection module may be incorporated in a microcontroller, wherein the microcontroller may be added to a navigation system to provide an additional lift detection feature.12-22-2011
20120013532HYBRID POINTING DEVICE - The present invention discloses a hybrid pointing device including an optical navigation module and a pointing module. The optical navigation module is configured to replace the conventional buttons of a convention pointing device, such as an optical mouse or a trackball mouse. The optical navigation module is configured to sense gestures of at least one object operated by a user to activate commands associated with particular programs running on the host. Since the optical navigation module is only configured to sense gestures of the object but not the movement of the hybrid pointing device relative to a surface, the resolution thereof is aimed to be sufficiently high enough for sensing gestures and no need to be relatively high.01-19-2012
20120086641MULTI-MODE FOLDABLE MOUSE - A multi-mode foldable mouse includes a main body, a cover, a sensing device and a controller. A first touch panel is disposed on the main body. A second touch panel is disposed on the cover. The sensing device is used for sensing a position of the main body relative to the cover. The controller is used for controlling the mouse to be operated in either a multi-touch mode or a keyboard mode according to the position of the main body relative to the cover. When the mouse in operated in the multi-touch mode, the first touch panel is enabled, and a multi-finger inputting operation on the first touch panel is converted into an image control instruction. When the mouse in operated in a keyboard mode, a virtual standard keyboard is shown on the first touch panel in cooperation with the second touch panel for providing a function of inputting characters.04-12-2012

Patent applications in class Optical detector