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| Number | Title | Issue Date |
| 8179369 | Optical navigation device and method for compensating for offset in optical navigation device Provided are an optical navigation device and a method for compensating for an offset in the optical navigation device. The optical navigation device includes: an image input unit for emitting light, receiving light reflected from a working surface to generate an an... | 05/15/2012 |
| 8164569 | Offset illumination aperture for optical navigation input device An optical navigation input device with an offset imaging aperture. The optical navigation input device includes a light source, an illumination aperture structure, and an image sensor. The light source directs a light beam toward a substantially specular illuminati... | 04/24/2012 |
| 8106885 | Input mechanism for handheld electronic communication device A handheld electronic communication device features an optically based user input device and navigation tool. In one embodiment, the optically based user input device features a translucent domed lens and a light source to illuminate a user's finger as the user slid... | 01/31/2012 |
| 8106886 | Mouse 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 ... | 01/31/2012 |
| 8102371 | Calibration 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 predete... | 01/24/2012 |
| 8102372 | Optical mouse testing device An optical mouse testing device includes a testing frame, a control unit, a transmission unit, a rolling unit and an indicating unit. An optical mouse to be tested is placed on an upper surface of the testing frame. The control unit is used for driving the transmiss... | 01/24/2012 |
| 8089465 | Speckle 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 pha... | 01/03/2012 |
| 8089466 | System and method for performing optical navigation using a compact optical element A system and method for performing optical navigation uses an illumination optical element positioned between a light source and a navigation surface to bend and collimate a beam of light from the light source, which may be originally emitted in a direction normal t... | 01/03/2012 |
| 8081162 | Optical navigation device with surface and free space navigation An optical navigation device for operation in a surface navigation mode and a free space navigation mode is described. One embodiment of the optical navigation device includes a microcontroller, a surface navigation sensor, and a free space navigation sensor. The su... | 12/20/2011 |
| 8072426 | Interactive device capable of improving image processing An interactive device of improving image processing. The interactive device includes a processing module and a control circuit. The processing module includes a substrate, an image sensor for generating a plurality of pixel signals, and an estimation unit for determ... | 12/06/2011 |
| 8063882 | Generating audio signals based on input device position A computer input device and computer system are provided that determine if the input device is at an edge of a pattern on a working surface based on an image of the working surface captured by the input device. An audio control message is generated based on the inpu... | 11/22/2011 |
| 8049726 | Optical trace detecting module An optical trace detecting module is disposed in a computer input device. The computer input device is able to displace on a plane relatively, and has a light-pervious plate used for an object to contact with and move on a surface thereof. The optical trace detectin... | 11/01/2011 |
| 8044936 | Optical navigation device and method of operating the same Provided is an optical navigation device and a method of operating the same. The optical navigation device includes: a light source for irradiating light; an image sensor for collecting incident light to obtain an image; and a controller for performing a calculation... | 10/25/2011 |
| 8031177 | Electronic 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... | 10/04/2011 |
| 8031176 | Optical navigation system using a single-package motion sensor An optical navigation apparatus including a package incorporating a light source and a single die of silicon. The single die of silicon includes a photodiode array configured at the detection plane to receive the speckle pattern of the scattered light from the colle... | 10/04/2011 |
| 8026900 | Optical mouse that detects working surface using code included in illuminated light and control method thereof An optical pointing device and a control method thereof are provided. The optical pointing device includes: an illumination unit for illuminating light on a working surface, and generating light in a predetermined code in response to a code signal; a control unit fo... | 09/27/2011 |
| 8022931 | Self-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... | 09/20/2011 |
| 8018437 | Mouse 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 ... | 09/13/2011 |
| 8013841 | Enhanced lift detection technique for a laser illuminated optical mouse sensor A method for detecting lift from a surface portion of an optical pointing device comprising a coherent light source, a photodetector device including an array of pixels, and extracting motion features including comparators with an adjustable offset value, the method... | 09/06/2011 |
| 7965278 | Optical navigation device adapted for navigation on a transparent plate An optical navigation device, such an optical mouse, includes a housing, an illumination system, a tracking engine, and multiple height-specific imaging systems located within the housing. The height-specific imaging systems generate image information in response to... | 06/21/2011 |
| 7936336 | Optical mouse and image capture chip thereof An optical mouse and image capture chip thereof. The image capture chip comprises an image sensor, a calculating logic circuit, and a refreshing logic circuit. The image sensor has a plurality of sensor units, capturing an image according to an exposure parameter to... | 05/03/2011 |
| 7928962 | Optical pointing device including power supply voltage drop portion and power supply voltage boost portion, and power supply semiconductor device therefor An optical pointing device and a power supply semiconductor device therefore are provided. The optical pointing device includes at least one power supply voltage drop portion, wherein each of the power supply voltage drop portion comprises: a voltage-drop regulator ... | 04/19/2011 |
| 7907120 | Optical mouse with uniform level detection method Movement of an optical mouse may be tracked by providing a source of non-coherent light in a movable housing for illuminating a work surface at a low angle of incidence, providing a two dimensional array of photo detectors for producing arrays of data elements respo... | 03/15/2011 |
| 7903086 | Apparatus for controlling a screen pointer that distinguishes between ambient light and light from its light source An apparatus for controlling the position of a screen pointer for an electronic device having a display screen, includes a light source for illuminating an imaging surface with a plurality of light pulses, thereby generating reflected light pulses. A detection circu... | 03/08/2011 |
| 7898524 | Optical displacement detection over varied surfaces Embodiments of the present invention enable an optical device to track on a diffusing surface over which a transparent and/or translucent and/or optically smooth surface is placed. Some embodiments are directed towards detecting when an optical device is lifted off ... | 03/01/2011 |
| 7889178 | Programmable resolution for optical pointing device A pointing device, such as an optical mouse, includes a light unit for illuminating a surface, a photodetector array configured to generate image information related to the illuminated surface, a navigation engine for generating navigation information at a target re... | 02/15/2011 |
| 7884801 | Circuit and method for determining motion with redundant comb-arrays A method is provided for sensing displacement of an optical sensor relative to a surface, the sensor having at least first and second arrays with a plurality of photosensitive elements. The method involves: (i) generating for each array first set of quasi-sinusoidal... | 02/08/2011 |
| 7880723 | Optical 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 f... | 02/01/2011 |
| 7876307 | Motion detection mechanism for laser illuminated optical mouse sensor There is described a method for measuring relative motion between an illuminated portion of a surface and an optical sensing device comprising a coherent light source and a photodetector array, the method comprising the steps of illuminating under a determined gradi... | 01/25/2011 |
| 7872639 | Optical displacement detection over varied surfaces Embodiments of the present invention enable an optical device to track on a diffusing surface over which a transparent and/or translucent and/or optically smooth surface is placed. Some embodiments are directed towards detecting when an optical device is lifted off ... | 01/18/2011 |
| 7859517 | Computer 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 ... | 12/28/2010 |
| 7843433 | Cordless pointing device and information terminal device A cordless pointing device used for moving a pointer displayed on a display screen and selecting information displayed on the display screen. The cordless pointing device includes an operation device having an optical reflection surface, a light emitting and receivi... | 11/30/2010 |
| 7843434 | Optical mouse with a wavelength converting layer A pointing device having an illumination system, an imaging array, and a controller is disclosed. The illumination system illuminates a surface over which the pointing device moves, the illumination system generating a light signal having first and second spectral r... | 11/30/2010 |
| 7839387 | Method, sensing device and optical pointing device including a sensing device for comparing light intensity between pixels A method for operating an optical motion sensing device comprising a light source and a photodetector device, said method comprises the steps of: a) illuminating a surface portion with radiation by means of the light source; b) detecting radiation patterns reflected... | 11/23/2010 |
| 7839388 | Optical navigation system and method for reducing the power consumption of the system An optical navigation system and method for reducing the power consumption of the system uses a surface quality value of a captured image frame of a target surface to selectively reduce the number of photosensitive pixel elements to be used to capture a subsequent i... | 11/23/2010 |
| 7834852 | System having sensing device for interaction with computer software A system for enabling user interaction with computer software. The system includes a sensing device and a computer system. The computer system generates print data and transfers it to a printer. The printer prints a form by printing information related to an interac... | 11/16/2010 |
| 7812822 | Opto-mechanical pointing devices that track the movement of rollers positioned at the base of the pointing devices Each opto-mechanical pointing device includes a housing having a base that two or more rollers extend beyond to make contact with a surface. An optical module that includes a light source and a detector track the motion of the opto-mechanical pointing device directl... | 10/12/2010 |
| 7812821 | Optical mouse with light indicating function An optical mouse with a light indicating function is provided, which includes a light source module, a reflecting mirror, and a button. The light source module is used for emitting an irradiating light. The reflecting mirror disposed on a path of the irradiating lig... | 10/12/2010 |
| 7808485 | Method of operating an optical mouse A method for controlling a computer cursor involves capturing a plurality of arrays of data in a hand held device representing light entering the device from an environment in which the device resides, processing at least some of the plurality of arrays of data in t... | 10/05/2010 |
| 7800585 | Method of operating an optical mouse A method for operating a hand held optical pointing device, such as an optical mouse, involves capturing a plurality of arrays of data in a hand held optical pointing device representing light reflected from irregularities on a surface, processing at least some of t... | 09/21/2010 |
