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Cal-Comp Electronics & Communications Company Limited

Cal-Comp Electronics & Communications Company Limited Patent applications
Patent application numberTitlePublished
20120127536METHOD FOR IMAGE CORRECTION AND SCANNER USING THE SAME - A method for image correction and a scanner using the same are provided. The scanner includes an image sensor and an automatic document feeder. The automatic document feeder has a paperweight mechanism. The method includes marking a first and a second characteristic regions on the paperweight mechanism; using the image sensor to search the two black characteristic regions to define a scan line; when the document is to be scanned, moving the image sensor to a position corresponding to the scan line, and starting to scan the document in order to obtain a scanned image; identifying the scanned image to obtain two position information associated with the two black characteristic regions; calculating a tilt angle of the scanned image according to a distance between the two black characteristic regions and the two location information; and finally correcting the scanned image angle according to the tilt angle.05-24-2012
20120124181COMPUTER PERIPHERAL DEVICE AND INTERACTION SYSTEM THEREOF - A computer peripheral device and an interaction system thereof are provided, and the provided computer peripheral device includes a server unit, a hardware unit and a firmware unit. The server unit provides a user interface on a web server, so as to allow a user to set the operation parameters of the computer peripheral device through the user interface. The firmware unit controls the hardware unit to execute a word processing action on a document to be processed according to the operation parameters set by the user.05-17-2012
20120113451METHOD FOR DETECTING WHETHER PAPER IS REMAINED AND MULTI-FUNCTION PRINTER THEREOF - A method for detecting whether a paper is remained and a multi-function printer (MFP) thereof are provided. The method includes executing a detection procedure when the MFP accomplishes image capturing and outputting of the paper; recording a time of starting executing the detection procedure; calculating an executed time of the detection procedure; and determining whether to activate an alarm according to the executed time of the detection procedure and whether a top cover (TC) of the MFP is opened, so as to remind a user whether the paper is remained in the MFP.05-10-2012
20120113450METHOD FOR DETECTING WHETHER PAPER IS REMAINED AND MULTI-FUNCTION PRINTER THEREOF - A method for detecting whether a paper is remained and a multi-function printer (MFP) thereof are provided. The method includes executing a detection procedure when the MFP accomplishes image capturing and outputting of the paper; recording a time of starting executing the detection procedure; calculating an executed time of the detection procedure; and determining whether to activate an alarm according to the executed time of the detection procedure and a similarity comparison result obtained by executing a scan procedure, so as to remind a user whether the paper is remained in the MFP.05-10-2012
20120086870REMOTE CONTROLLER SETTING MODULE, TELEVISION AND REMOTE CONTROL COMMAND SETTING METHOD THEREOF - A remote control setting module which is suitable to be installed in an electronic apparatus to set a button command corresponding to a remote control signal from a remote controller is disclosed. The remote control setting module includes an infrared sensing unit and a signal processing unit. The infrared sensing unit receives the remote control signal from the remote controller and then identifies a signal waveform corresponding to remote control signal. The signal processing unit is coupled to the infrared sensing unit and used for setting the button command to correspond to the received signal waveform.04-12-2012
20120044700LENS AND LAMP USING THE SAME - A lens and a lamp using the same are provided. The lamp includes a lampshade, a base, a lens and a light emitting diode (LED). The lampshade and the lens are assembled on the base, wherein the lens is located in the lampshade. The lens has an accommodating portion, a first light exiting surface and a second light exiting surface. The first light exiting surface is located above the accommodating portion, and the second light exiting surface surrounds the first light exiting surface and located outside the accommodating portion. The first and second light exiting surfaces are concaves. The LED is disposed in the accommodating portion of the lens.02-23-2012
20120044698LENS AND LAMP USING THE SAME - A lens and a lamp using the lens are provided. The lamp includes a lampshade, a base assembled to the lampshade, a lens, and an LED light source. The lens configured on the base and located in the lampshade has a curved light incident surface, a first light incident surface surrounding the curved light incident surface, and a first and second light emitting surfaces. The curved light incident surface and the first light incident surface together constitute an accommodation space. The first light emitting surface is located above the curved light incident surface. The second light emitting surface is located at an outer side of the lens and corresponds to the first light incident surface located at an inner side of the lens. The second light emitting surface surrounds the first light emitting surface. The LED light source is configured in the accommodation space of the lens.02-23-2012
20120044696LENS AND LAMP USING THE SAME - A lens and a lamp using the same are provided. The lamp includes a lampshade, a base, a lens and a light emitting diode light source. The lampshade is assembled to the base, and the lens is disposed on the base and located in the lampshade. The lens has a first surface, a second surface, a third surface and a fourth surface. The second surface surrounds the first surface to form an accommodating space conformally, and the third surface surrounds the fourth surface and is located on an outer side of the second surface. The first surface is located between the accommodating space and the fourth surface. The light emitting diode light source is disposed in the accommodating space of the lens.02-23-2012
20120038261HEAT-DISSIPATING STRUCTURE AND LIGHTING MODULE HAVING THE SAME - A heat-dissipating structure of lighting includes a main body having a plurality of side surfaces; at least one heat pipe connecting to the main body, wherein each heat pipe has a hot end embedded in the main body and a cold end having a contacting surface; and at least one external heat sink mating to the contacting surface. The instant disclosure also provides a lighting module having said heat-dissipating structure.02-16-2012
20110299133SCANNING DEVICE - A scanning device including a base, a guiding module and a scanning head is provided. The guiding module includes a guiding rod, a guiding element, a sliding element and an elastic element. The guiding rod is fixed to the base. The guiding element has a notch, wherein the guiding rod is slidingly disposed at the notch along a first axial direction. The sliding element is slidingly disposed at the guiding element along a second axial direction substantially perpendicular to the first axial direction. The elastic element is fixed to the guiding element and contacts with the sliding element, wherein the sliding element pushes the guiding rod to contact an inner wall of the notch along the second axial direction by an elastic force of the elastic element, so as to prevent the guiding rod from swaying during a scanning process.12-08-2011
20110293334TONER CARTRIDGE CONVERTING DEVICE - A toner cartridge converting device is provided with a driving module to change gaps between a photoreceptor drum and respective toner cartridges using a positioning groove formed in a radial direction of the photoreceptor drum. Each fixing rod of the toner cartridges can slide into the positioning groove and slide out of the positioning groove with following the displacement of the groove, so that the converting operation to the toner cartridges can be finished. Due to the configuration space required by the driving module is smaller, and the quantity of elements is less than the conventional driving unit and easy in repair and maintenance, so that the structure of the driving module is simplified and the repair cost is reduced.12-01-2011
20110273749SCANNING MECHANISM - A scanning mechanism including a scanning unit, a rail and a transmission element is disclosed. The scanning unit has a connecting portion and a supporting portion, the scanning unit is slidely disposed on the rail through the supporting portion. The transmission element is connected to the connecting portion of the scanning unit to drive the scanning unit sliding along the rail, and the orthogonal projection of the connecting portion on the rail and the orthogonal projection of the supporting portion on the rail are overlapped with each other.11-10-2011
20110273438ELECTRONIC APPARATUS AND METHOD OF CHOOSING DATA THEREOF - An electronic apparatus and a method of choosing data thereof are provided. The electronic apparatus includes a display unit, a database and a play unit. The display unit is capable of displaying a three-dimensional (3D) diagram which is used to indicate a plurality of data categories. The outward appearance of the 3D diagram may be transformed in order to point to one of the data categories according to an input instruction. The play unit may read the corresponding multimedia data from the database according to the instruction and play it. The 3D diagram is preferably described by a pillar section, a ring section and a connecting section. The pillar section lies at a central region of the ring section and connects to the ring section via the connecting section.11-10-2011
20110266938LAMP STRUCTURE - A lamp structure includes a transparent cap, a lamp housing, a ring section, a separating pad, and a lamp board. The lamp housing has heat dissipating fins annularly arranged around the lamp housing. An end of each of the heat dissipating fins adjacent to the transparent cap has a groove, and the transparent cap covers the top of the groove. The ring section connects the end of each of the heat dissipating fins adjacent to the transparent cap. The separating pad is disposed on the bottom of the groove and extends along a sidewall of the groove to a region below the transparent cap to form a separating wall. The lamp board having light emitting diode devices is disposed in a containing space between the transparent cap and the separating pad to preclude damages caused by electrostatic discharge.11-03-2011
20110254891Fixing structure for print head carriage rod - A fixing structure for print head carriage rod is disclosed. The fixing structure is simplified and is able to minimize the flexure of the carriage rod, whereby a print head carriage can smoothly travel along the carriage rod. The fixing structure includes a frame body disposed in a printing machine, and a carriage rod mounted on the frame body for the print head carriage to reciprocally travel on the carriage rod for printing operation. The frame body has sidewalls and support sections for supporting the carriage rod in a predetermined position. The fixing structure further includes retainers, which are passed through the sidewalls of the frame body and inserted into fixed ends of the carriage rod in an axial direction thereof so as to secure the carriage rod to the frame body. The retainers and the support sections of the frame body together prevent the carriage rod from being flexed.10-20-2011
20110249054Fixing structure for print head carriage rod and fixing method thereof - A fixing structure for print head carriage rod and a fixing method thereof. The fixing structure is simplified and is able to minimize the flexure of the print head carriage rod. The fixing structure includes a frame body disposed in a printing machine, and a carriage rod mounted on the frame body for a print head carriage to reciprocally travel on the carriage rod for printing operation. The frame body has sidewalls and support sections formed on the sidewalls for supporting two ends of the carriage rod. The fixing structure further includes retainers for securing the carriage rod to the frame body. The retainers are positioned on two sides of the support sections of the sidewalls to together with the support sections prevent the carriage rod from being flexed so as to avoid deterioration of printing quality.10-13-2011
20110228542LENS STRUCTURE - A lens structure adapted for guiding a light from a light source to a plurality of directions is provided. The lens structure includes a base, a pillar, and an umbrella-shaped body. The base has a containing pit adapted for containing the light source. The pillar is connected to the base. The pillar has a central axis and a first curved surface, in which the first curved surface surrounds the central axis symmetrically. The umbrella-shaped body is connected to the pillar and has a second curved surface and a third curved surface surrounding the central axis symmetrically. The second and the third curved surfaces are located on a top portion of the umbrella-shaped body and next to each other.09-22-2011
20110228357TRANSMISSION DEVICE - A transmission device for driving an automatic document feeder (ADF) and a scanner individually is provided. The transmission device includes a transmission shaft, an actuator, a first transmission module coupled to the scanner, a second transmission module coupled to the ADF, and a power switching module. The actuator is movably attached around the transmission shaft. The power switching module is assembled to the transmission shaft. When the power switching module is coupled to the first transmission module and the transmission shaft rotates in a first direction such that the scanner moves to a first position, the scanner drives the actuator to drive the power switching module to be coupled to the second transmission module. When the transmission shaft rotates in a second direction, the power transmission module is coupled to the first transmission module to drive the scanner to move away from the transmission device.09-22-2011
20110163684DRIVING CIRCUIT OF LIGHT EMITTING DIODE AND LIGHTING APPARATUS USING THE SAME - A driving circuit of light emitting diodes (LEDs) and a lighting apparatus using the same are provided in the application. The driving circuit includes a rectifier unit, an isolation element, a processing unit and a voltage converter circuit. The rectifier unit is coupled to a triac dimmer and outputs a first operation voltage. The processing unit detects a conducting condition of the triac dimmer according to a voltage waveform of the first operation voltage and outputs a pulse width modulation signal to drive the LEDs according to the detected conduction condition, so that flash problems of the LEDs caused by operation voltage variation are prevented.07-07-2011
20110135137EARPHONE - An earphone including an ear hanger, a connecting element, a pivot and a speaker is provided. The connecting element is fixed to the ear hanger. The pivot is hinged to the connecting element. The speaker is fixed to the pivot, in which the pivot rotates relative to the connecting element so as to drive the speaker to rotate relative to the ear hanger.06-09-2011
20110101867LIGHTING APPARATUS, DRIVING CIRCUIT OF LIGHT EMITTING DIODE AND DRIVING METHOD THEREOF - A driving circuit suitable for receiving an alternating current (AC) power to drive a light emitting diode (LED) is provided. The driving circuit includes a rectifier circuit, a process unit, an electric energy conversion circuit, and a detection unit. The rectifier circuit rectifies the AC power to output a first operating voltage. The processing unit is coupled to the rectifier circuit and outputs a second operating voltage and a pulse width modulation (PWM) signal. The electric energy conversion circuit is coupled between the rectifier circuit, the processing unit and the LED and drives the LED according to the PWM signal. The detection unit is coupled to the rectifier circuit and the processing unit and detects the first operating voltage. When the first operating voltage is lower than or equal to a threshold voltage, the detection unit outputs a disable signal to the processing unit to disable the PWM signal.05-05-2011
20110019438LIGHT EMITTING DIODE LAMP - A light emitting diode lamp includes a lamp shade, a light emitting diode light source, a universal joint and a power connector. The light emitting diode light source is disposed in the lamp shade. The universal joint includes a first connecting part and a second connecting part. The first connecting part is fixed to the lamp shade. The second connecting part is rotatably connected to the first connecting part and fixed to the power connector.01-27-2011
20100321839OVER-CURRENT PROTECTION DEVICE FOR MULTIPLE HIGH-VOLTAGE MOTIVE DEVICES AND METHOD THEREOF - An over-current protection device for multiple high-voltage motive devices is provided. The over-current protection device includes a comparison module and a logic operation module. The comparison module receives a plurality of voltages generated from a plurality of operating currents of a plurality of high-voltage motive devices and respectively compares the voltages with at least one reference voltage to generate a plurality of comparison results, wherein the high-voltage motive devices are solenoids, electronic clutches, or a combination of solenoids and electronic clutches. The logic operation module receives the comparison results and generates at least one control signal for a plurality of high-voltage motive device driving circuits according to the comparison results. The high-voltage motive device driving circuits respectively drive the high-voltage motive devices according to the control signal.12-23-2010
20100301765DRIVING CIRCUIT OF LIGHT EMITTING DIODE AND LIGHTING APPARATUS - A driving circuit of a light emitting diode (LED) includes a rectifier unit, a voltage-dividing circuit, a control unit, a voltage converter, a resistance and a capacitor. The rectifier unit rectifies an AC power to generate a first operation voltage. The voltage-dividing circuit generates a voltage-dividing signal. The control unit includes a regulating unit and a pulse width modulation (PWM) unit. An output terminal of the regulating unit is coupled to the PWM unit. The PWM unit outputs a PWM signal. The voltage converter adjusts a driving voltage and a driving current of the LED. The resistance is coupled between an output terminal of the regulating unit and a diode. The capacitor is coupled between a power input terminal of the regulating unit and a ground terminal. The PWM unit adjusts the PWM signal according to the voltage-dividing signal and a feedback signal output by the voltage converter.12-02-2010
20100270948DIMMER AND LIGHTING APPARATUS - A dimmer and a lighting apparatus are provided. The dimmer apparatus includes a rectifier unit, a controller, a voltage divider and a voltage converter. The rectifier unit rectifies an AC power and generates a first operating voltage. The voltage divider outputs a voltage division of the first operating voltage. The controller integrates the voltage division to obtain an average voltage, and provides a pulse width modulation (PWM) signal based on the average voltage. The voltage converter drives a light emitting diode (LED), and adjusts a driving voltage and a driving current of the LED according to the PWM signal. Wherein, the controller also adjusts the PWM signal according to a feedback signal generated by the voltage converter.10-28-2010
20100237555PAPPER FEEDING MODULE AND MULTI-FUNCTION PERIPHERAL HAVING THE SAME - A multi-function peripheral includes a main body and a paper feeding module. The paper feeding module includes a supporting base, a feeding element and a paper separating elastic element. The supporting base is disposed on the main body. The supporting base is suitable for supporting multiple paper sheets and defines a paper feeding path. The feeding element is disposed above the supporting base for feeding the paper sheets along the paper feeding path. The paper separating elastic element has a fixed end connected to the supporting base and a free end disposed on the paper feeding path. When the feeding element feeds the papers along the paper feeding path, the free end applies a frictional force on the paper sheets such that one paper sheet passes the paper separating element and keeps moving while the rest of the paper sheets are blocked from moving by the paper separating elastic element.09-23-2010
20100213654TORSION SPRING AND LAMP HAVING THE SAME - A lamp includes a shell with an assembling portion, a main body disposed in the shell, and a torsion spring. The torsion spring includes a spring body, a first supporting part, and a second supporting part. The spring body is assembled to the assembling portion. The first supporting part includes a first arm connected to an end of the spring body, a second arm near another end of the spring body and a first bending part connected between the first supporting part and the second supporting part. A structure of the second supporting part is similar to that the first supporting part and is connected to the spring body. The first supporting part and the second supporting part are suitable for tightly clamping the assembling portion and a fixing end respectively by the force of the spring body.08-26-2010

Patent applications by Cal-Comp Electronics & Communications Company Limited