Patent application number | Description | Published |
20130021237 | OPTICAL REMOTE CONTROL SYSTEM - An optical remote control system includes a home appliance and a remote controller. The home appliance operates according to a user command and its housing includes an opening. A status indicator light and a reference light are disposed within the opening. The status indicator light includes a visible light source, and the reference light includes a plurality of infrared light sources. The visible light source and the infrared light sources are disposed in a predetermined pattern. The remote controller includes an optical sensor configured to detect optical signals from the infrared light sources, thereby generating the user command accordingly. | 01-24-2013 |
20130050079 | OPTICAL POINTING SYSTEM AND RELATED METHOD - An optical pointing system includes a plurality of light sources, an image receiver, and an analyzing unit. The plurality of light sources are disposed on multiple locations of an object and configured to provide light having distinct wavelengths. The image receiver is configured to detect optical signals of the plurality of light sources, thereby generating a plurality of corresponding images. The analyzing unit is configured to calculate a relative position or angle of the image receiver with respect to the object according to the images. | 02-28-2013 |
20130168538 | LIGHT SOURCE DETERMINING APPARATUS, LIGHT SOURCE DETERMINING METHOD AND OPTICAL TRACKING APPARATUS - A light source determining apparatus for determining if a light source is a specific type light source is disclosed. The light source determining apparatus comprises: a light filtering device, comprising at least one first region and at least one second region, wherein the first region can pass only light with a specific frequency, where the second region can pass not only light with the specific frequency but also light with other frequencies; and a determining unit, for determining if the light source is the specific type light source, according to luminosity that the light source respectively generates for the first region and the second region. | 07-04-2013 |
20140028552 | IMAGE SENSING METHOD, AND IMAGE SENSING APPARATUS, LIGHT SOURCE DETERMINING SYSTEM UTILIZING THE IMAGE SENSING METHOD - An image detecting method, comprising: controlling a synchronizing controller to transmit a first activating signal to a light source controller; controlling the light source controller to control at least one light source to generate a predetermined radiating pattern, and controlling the light source controller to transmit back a first responding signal to the synchronizing controller when the light source controller receives the first activating signal; and controlling an image sensor to start an image detecting when the synchronizing controller receives the first responding signal. | 01-30-2014 |
20140044308 | IMAGE DETERMINING METHOD AND OBJECT COORDINATE COMPUTING APPARATUS - An image determining method, for determining which pixels in an image are specific image pixels of a specific image, comprising: (a) determining which pixels in the image have brightness values larger than a threshold value; (b) determining the pixels having brightness values larger than the threshold value as the specific image pixels; and determining pixels in a predetermined range of at least one the specific image pixel as the specific image pixels as well. | 02-13-2014 |
20140350880 | OPTICAL DETECTING DEVICE AND RELATED METHOD OF ADJUSTING SYNCHRONIZATION - A method of an optical detecting device for synchronizing an exposure timing sequence of an image detector with a light emitting timing sequence of a reference light source is disclosed. The method includes capturing a continued image set according to a predetermined period, analyzing intensity variation of the continued image set, and adjusting the exposure timing sequence of an image detector according to the intensity variation, so as to synchronize the exposure timing sequence of the image detector with the light emitting timing sequence of the reference light source. | 11-27-2014 |
Patent application number | Description | Published |
20130328772 | Handheld Pointing Device - A handheld pointing device includes a main body, an image sensing module, an acceleration sensing module and a processing circuit. The image sensing module is disposed in the main body and configured to capture an image comprising at least one reference light source and accordingly generate an optical sensing signal. The acceleration sensing module is disposed in the main body and configured to sense an acceleration value in each one of two dimensions; wherein the acceleration sensing module outputs an acceleration sensing signal if an absolute value of the summation of the two acceleration values in two dimensions is located within a predetermined acceleration range. The processing circuit is configured to receive the optical sensing signal and the acceleration sensing signal and accordingly generate an output signal. | 12-12-2013 |
20140062871 | ELECTRONIC SYSTEM WITH POINTING DEVICE AND METHOD THEREOF - The present invention discloses an electronic system and a pointing device thereof. The pointing device includes an image sensor and a processor. The image sensor sequentially generates a first image frame and a second image frame, wherein the first image frame has two images related to a sensed target, and the second image frame has one image related to the sensed target. The processor determines one image position representing the sensed target using the first image frame, and subsequently determines one image displacement using the first image frame and the second image frame. | 03-06-2014 |
20140092016 | Handheld Pointing Device and Operation Method Thereof - A handheld pointing device includes a body, an image sensing module and a processing circuit. The image sensing module is disposed in the body and configured to sense a reference light source and thereby capturing an image including of the reference light source. The processing circuit, disposed in the body and electrically connected to the image sensing module, is configured to obtain the image including of the reference light source, calculate a coordinate of the image of the reference light source relative to the image captured by the image sensing module, and correct the coordinate according to a distance or a distance change between the body and the reference light source. An operation method of a handheld pointing device is also provided. | 04-03-2014 |
20140191966 | INTERACTIVE IMAGE SYSTEM AND OPERATING APPARATUS THEREOF - An operating apparatus adapted to manipulate an operating interface of a display device and having a switchable operation mode is provided. The display device is adapted to provide a first optical signal. The operating apparatus includes a processing module, a light-emitting element, a light sensing element and a switching module. The light-emitting element, the light sensing element and the switching module are electrically connected to the processing module. The switching module is adapted to switch the switchable operation mode to a first mode or a second mode. When the switchable operation mode is switched to the first mode, the light sensing element receives the first optical signal. When the switchable operation mode is switched to the second mode, the light-emitting element provides a second optical signal and the light sensing element receives the second optical signal. An interactive image system having the operating apparatus is also provided. | 07-10-2014 |
20140196086 | HAND-HELD POINTING DEVICE AND OPERATION METHOD THEREOF - A hand-held pointing device includes a main body, a processing circuit, a light emitting device and two image sensing devices. The main body has a first surface and a second surface for lying on an operating surface. The two image sensing devices are disposed in the main body and configured to sense first and second images through first and second transparent areas thereof, respectively. The light emitting device, disposed in the main body, is configured to emit a light source through the second transparent area. The processing circuit is configured to determine and operate the hand-held pointing device in a remote controller mode or a mouse mode according to whether the first image contains an image of a reference light source and/or the second image contains an image of the operating surface reflecting the light source. An operation for a hand-held pointing device is also provided. | 07-10-2014 |
20140198525 | INTERACTIVE IMAGE SYSTEM AND IMAGE DISPLAY DEVICE - An interactive image system includes an image display device and a control device. The image display device includes a housing, a display unit, a light emitting component and at least one light guide element. The housing has a surface having a light output portion. The display unit is disposed in the housing and has a display surface exposed from the surface of the housing. The display surface faces the same direction as the surface. The light emitting component is disposed in the housing for emitting a light signal. The light guide element is disposed in the housing and located in a transmission path of the light signal. The light guide element is used for receiving the light signal and transmitting light signal to the light output portion. The control device has a light sensing element which faces to the image display device and configured to capture an image. | 07-17-2014 |