| Patent Number |
Title Of Patent |
Date Issued |
| D602883 |
Light emitting diode |
October 27, 2009 |
|
| D596593 |
Light emitting diode |
July 21, 2009 |
|
| D596592 |
Light emitting diode |
July 21, 2009 |
|
| D590783 |
Light emitting diode |
April 21, 2009 |
|
| D571315 |
Light emitting diode |
June 17, 2008 |
|
| 7622707 |
Polaroid absolute encoder |
November 24, 2009 |
| A polaroid encoder system for detecting movement is disclosed. The system includes a movable polarizing code element. A detector module detects an amplitude based on how much illumination passes through one portion of the movable polarizing code element. A quadrant of the movable polariz |
| 7619612 |
Pointing device with light source for providing visible light through a moveable puck |
November 17, 2009 |
| A pointing device includes a base surface. The pointing device includes a moveable puck confined to move over the base surface within a puck field of motion. The pointing device includes a position detector for identifying a position of the puck. The pointing device includes a first |
| 7619260 |
Light-emitting diode and method for its production |
November 17, 2009 |
| A Light-emitting diode which comprises a pair of metal plate leads connected to a light-emitting element. The pair of metal plate leads comprise, at the edges of the metal plates, surface mounting-type connecting parts that connect facing the pads of a circuit substrate. Furthermore, |
| 7619210 |
Encoder with a combined position and index track |
November 17, 2009 |
| An optical encoder. The encoder includes a coding element, an emitter, and a detector. The coding element has a track with a track pattern. The track pattern includes a plurality of optically distinguishable sections, which include a plurality of position sections and an index section. T |
| 7619209 |
Encoder with a combined position and index track |
November 17, 2009 |
| An optical encoder. The encoder includes a coding element, an emitter, and a detector. The coding element has a track with a track pattern. The track pattern includes a plurality of optically distinguishable sections, which include a plurality of position sections and an index section. T |
| 7617980 |
Integrated optical module for reflectance sensing |
November 17, 2009 |
| Reflection of light from a surface is sensed by emitting light from a light emitting diode and focusing the light using an aspherical emitter lens to illuminate a reflecting surface. Light reflected by the reflecting surface is focused onto a photodetector using an aspherical collect |
| 7616195 |
One dimensional and three dimensional extensions of the slide pad |
November 10, 2009 |
| In one embodiment of the invention, a method for providing three-dimensional motion inputs to a device includes measuring characteristics (e.g., capacitances) between sense electrodes and a reference electrode on a movable pad, determining three-dimensional displacements of the movab |
| 7616192 |
Touch device and method for providing tactile feedback |
November 10, 2009 |
| A touch device includes a touch panel and a vibration device to provide tactile feedback to a user to locate a key on a display of the touch panel. A processor generates a drive signal to the vibration device when the position on the display touched by a finger or stylus corresponds to |
| 7616191 |
Electronic device and method for simplifying text entry using a soft keyboard |
November 10, 2009 |
| An electronic device predicts a target key on a soft keyboard for selection by a user and enlarges the target key to make it easier for the user to select the target key. The electronic device includes a display that displays a cursor and keys that constitute a soft keyboard and a cu |
| 7615733 |
Optical navigation apparatus and method for making the apparatus |
November 10, 2009 |
| An optical navigation apparatus and method for making the apparatus uses a light source and a sensor having an imaging array mounted on a leadframe and encapsulated in an optically transparent body structure. The optically transparent body structure is configured to include a prism-l |
| 7613329 |
Apparatus for controlling the position of a screen pointer that detects defective pixels |
November 3, 2009 |
| An apparatus for controlling the position of a screen pointer includes a light source for illuminating an imaging surface, thereby generating reflected images. The apparatus includes a navigation sensor for generating digital images based on the reflected images, detecting defective |
| 7612386 |
High power light emitting diode device |
November 3, 2009 |
| A circuit element having a heat-conducting body having top and bottom surfaces, and a die having an electronic circuit thereon is disclosed. The die includes first and second contact points for powering the electronic circuit. The die is in thermal contact with the heat-conducting bo |
| 7612322 |
Temperature-compensated high dynamic range optical receiver |
November 3, 2009 |
| A light sensor having a photocurrent subsection and an interface circuit is disclosed. The photocurrent subsection includes a photodetector, an amplifier, a diode and an impedance element. The first photodetector generates a current between a first node and a power rail in response to |
| 7609291 |
Device and method for producing an enhanced color image using a flash of infrared light |
October 27, 2009 |
| A device and method for producing an enhanced color image of a scene of interest captures a grayscale image of the scene of interest using a flash of infrared light and a color image of the scene of interest without using any flash of infrared light. The grayscale information from th |
| 7609249 |
Position determination utilizing a cordless device |
October 27, 2009 |
| A system for generating position information includes a reflector, an image collection system, and a processor. The image collection system is configured to collect at least two sets of image data, where one set of image data includes a stronger indication of the reflector than the other |
| 7607815 |
Low profile and high efficiency lighting device for backlighting applications |
October 27, 2009 |
| A light source having a flexible substrate and a plurality of dies having LEDs is disclosed. The light source can be conveniently utilized to provide an extended light source by bonding the light source to a suitable light pipe. The substrate is divided into first and second regions. |
| 7605803 |
Method of operating an optical mouse |
October 20, 2009 |
| Movement of a hand operated pointing device may be tracked by providing a source of non-coherent light in a movable housing for illuminating a work surface and providing circuitry for producing a plurality of two dimensional arrays of data related to light reflected by surface irregu |
| 7604360 |
Integrated sensor for correlated color temperature and illuminance sensing |
October 20, 2009 |
| A sensor for measuring the properties of light from a light source is disclosed. The sensor includes first and second photodetectors that are illuminated by the light. The first and second photodetectors generate first and second photodetector signals indicative of the first and second |
| 7601940 |
Gain control system for visible light communication systems |
October 13, 2009 |
| An optical receiver having a photodetector, a variable gain amplifier, and a gain control circuit is disclosed. The photodetector generates a photodetector output signal related to an intensity of light received by the photodetector, the photodetector output signal being characterized by |
| 7598511 |
Energy saving driving circuit and associated method for a solid state relay |
October 6, 2009 |
| An energy saving driving circuit and method is provided for use with a solid state relay (SSR). The circuit and method reduce the overall energy required to drive a solid state relay by maintaining the SSR in an "on" state with a minimal maintenance or holding current after applying a |
| 7586480 |
Hybrid pointing device |
September 8, 2009 |
| An input device having a movable puck and display screen is disclosed. The puck is confined to move on a puck surface having a puck field of motion defined thereon. The puck field of motion is divided into a pointing region and a function region. A controller determines a position for th |
| 7583821 |
Apparatus for classifying a material by analyzing the material's surface, and related systems an |
September 1, 2009 |
| An apparatus classifies a material, which may include identifying the material, identifying the type of the material, or identifying the type of the material's surface. The apparatus includes a detector for capturing an image of a surface of the material, and a processor classifies t |
| 7581863 |
Laser light source adapted for LCD back-lit displays |
September 1, 2009 |
| A light source and a display utilizing the same are disclosed. The light source includes a laser, a light pipe, and an optical fiber. The light pipe includes a layer of transparent material having a top surface, a bottom surface, and a first edge. The first optical fiber couples light |
| 7579829 |
Inductive multi-turn encoder |
August 25, 2009 |
| According to one embodiment, there is provided an inductive multi-turn encoder which employs inductive means to determine the number of revolutions a central shaft operably connected to the module has turned. The inductive coils comprise emitter coils and receiver coils, which are op |
| 7576726 |
Dual-positioning controller and method for controlling an indicium on a display of an electronic |
August 18, 2009 |
| A dual-positioning controller includes a two positioning controllers for controlling movement of an indicium, such as a cursor, on a display of an electronic device. A coarse controller controls coarse movement of the indicium relative to content displayed on the display. A fine controll |
| 7570348 |
Methods and apparatus for navigating a surface |
August 4, 2009 |
| In one embodiment, a surface is navigated by 1) using a first light sensor, mounted to a navigation device, to detect light reflected from a surface, and 2) using outputs of the first light sensor, over time, to determine relative movement of the navigation device with respect to the |
| 7570247 |
Modular assembly for a self-indexing computer pointing device |
August 4, 2009 |
| A pointing device having a puck sub-assembly and a base sub-assembly is disclosed. The puck sub-assembly includes a moveable puck having a user sensor that detects the interaction of a user and the puck. The puck is confined to move within a puck field of motion. The puck sub-assembly |
| 7569867 |
Light-emitting device and method of making same |
August 4, 2009 |
| A light-emitting device which comprises as one unit a semiconductor light-emitting element; a first liquid for condensing the light from the semiconductor light-emitting element; a second liquid that is separate from but contacts the first liquid; an airtight space in which at least |
| 7568819 |
Utilizing an internal reflection surface to reflect and collimate sidelight in an optical naviga |
August 4, 2009 |
| An optical navigation devices and methods that utilize an internal reflection surface to reflect and collimate sidelight from a light source are described. A light source is configured to emit light. The sidelight from the light source is reflected and collimated by an internal refle |
| 7568815 |
Light source having a plurality of white LEDs with different output spectra |
August 4, 2009 |
| A solid state light source having first and second component light sources and an interface circuit and a method for making the same are disclosed. The first and second component light sources emit light having first and second color points on different sides of the black body radiation |
| 7567341 |
Optical navigation device adapted for navigation on a transparent structure |
July 28, 2009 |
| A technique for adapting an optical navigation device for navigation on a transparent structure such as a glass plate involves establishing a navigation window for navigation tracking, detecting reflected light within the navigation window, generating an output signal in response to |
| 7567313 |
Bezel design for surface mount display modules |
July 28, 2009 |
| Improved electronic display module for surface mount construction. Plastic components are heat-stake mounted to a printed circuit board substrate. Providing recesses for the reflowed plastic heat stakes reduces or eliminates rework required to provide flat surface needed for surface |
| 7567234 |
Programmable optical mouse |
July 28, 2009 |
| An optical-signal receiver comprises an optical sensor operable to receive an optical signal from an optical-signal emitter communicatively coupled to an electronic system and a processor operable to implement a performance characteristic value specified by the optical signal. |
| 7566159 |
Side-emitting LED package with improved heat dissipation |
July 28, 2009 |
| A light source and a method for making the same are disclosed. The light source includes a lead frame, an integrated circuit chip and a body. The lead frame has first and second sections. The first section includes a lateral portion, a chip mounting area and a first extension. The in |
| 7565034 |
Determination of a navigation window in an optical navigation system |
July 21, 2009 |
| A technique for reducing navigation errors that are caused by uneven illumination involves using only the portion of the image data that is properly illuminated in the correlation process. The portion of the image data that is used for optical navigation is established by summing the |
| 7564198 |
Device and method for driving LED |
July 21, 2009 |
| An LED lighting device of AC power-driven type having a comparatively simple constitution and a high power efficiency. The device compares a signal voltage (rectified voltage) obtained by rectifying an AC source with a predetermined reference voltage and controls ON/OFF of a driving |
| 7562809 |
Method for detecting component placement errors in product assembly and assemblies made therewit |
July 21, 2009 |
| An article and a method for testing the assembly of that article are disclosed. The article includes a plurality of modules, at least two of the modules are capable of being placed in two different positions in the article, each module having a correct position in the article. Each m |
| 7557799 |
System for determining pointer position, movement, and angle |
July 7, 2009 |
| An a data input system includes an encoded pad having position encoding and a data input device adapted to image a portion of the encoded pad to determine position and orientation of the data input device relative to the encoded pad. The encoding pad includes a plurality of correlation |
| 7557340 |
Shaft-mounted detector for optical encoder having an aperture through the detector for receiving |
July 7, 2009 |
| A transmissive optical encoder is disclosed. The transmissive optical encoder includes a detector, a code wheel, and an emitter. The detector includes an aperture through the detector. The aperture is configured to receive a rotary shaft of a motor. The code wheel is coupled to the r |
| 7557332 |
Driver circuit for driving a light source of an optical pointing device |
July 7, 2009 |
| A driver circuit for driving a light source of an optical pointing device includes a first transistor coupled to the light source. The driver circuit includes a controller coupled to the first transistor for monitoring a first current through the light source, comparing the first cur |
| 7554212 |
Mechanically powered cordless pointing device |
June 30, 2009 |
| A computer peripheral system includes a computer peripheral and a mechanical input device adapted to initiate a conversion of mechanical energy to electrical energy. The computer peripheral includes an energy conversion device adapted to convert mechanical energy to electrical energy |
| 7554166 |
Airdome enclosure for components |
June 30, 2009 |
| A component having an airdome enclosure that protects the component from its external environment. An airdome enclosure according to the present techniques avoids the high costs of employing special materials and/or specialized process steps in the manufacture of a component. An elec |
| 7554079 |
Signal conditioning for an optical encoder |
June 30, 2009 |
| An encoder with signal conditioning of an emitter drive signal is described. In one embodiment, the encoder includes a peak comparator, a pulse generator, a threshold comparator, and digital circuitry. The peak comparator outputs a peak comparator signal based on a comparison of an i |
| 7554073 |
High linearity CMOS ambient light sensor |
June 30, 2009 |
| A light sensor having first and second photodetectors and a current mirror is disclosed. The first photodetector receives a light signal and generates a light current proportional to the light intensity received by the first photodetector and a dark current that is independent of the |
| 7552873 |
Transmissive optical encoder |
June 30, 2009 |
| In one embodiment, an optical encoder includes a light source, a detector array and a code member. The detector array is positioned in spaced-apart relation to the light source and includes at least one detector set. Each of the at least one detector sets includes a plurality of detector |
