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| Number | Title | Issue Date |
| 8143564 | Photodetection circuit This photodetecting circuit 1 is capable of suppressing oscillation of an output, and operates as a zero bias circuit in a case of a small photoelectric current to an extent that a dark current is concerned about, and limits an output current in a case of a l... | 03/27/2012 |
| 8101898 | Optically gated MEMS switch An optically powered MEMS gate driver includes a photovoltaic converter configured to receive a light signal from a light source and output a DC supply voltage for a MEMS gate driver in response thereto. The MEMS gate driver further includes a DC to DC converter ele... | 01/24/2012 |
| 7915571 | On demand circuit function execution employing optical sensing Disclosed is a method of executing an electrical function, such as a fusing operation, by activation through a chip embedded photodiode through spectrally selected external light activation, and corresponding structure and circuit. The present invention is based on ... | 03/29/2011 |
| 7800037 | Power supply control circuit with optical feedback An integrated circuit is disclosed that integrates a low current, high speed optical receiver with the primary side control functions of the power supply. This is further combined with an optical emitter to create a single component for feedback and control, providi... | 09/21/2010 |
| 7759622 | Methods and apparatus for regulating the drive currents of a plurality of light emitters In one embodiment, ones of a plurality of drive currents are modulated in accordance with ones of a plurality of unique modulation sequences. The modulated drive currents are then applied to a plurality of light emitters. Thereafter, a stream of optical measurements... | 07/20/2010 |
| 7659497 | On demand circuit function execution employing optical sensing Disclosed is a method of executing an electrical function, such as a fusing operation, by activation through a chip embedded photodiode through spectrally selected external light activation, and corresponding structure and circuit. The present invention is based on ... | 02/09/2010 |
| 7504611 | Moving object detecting photointerrupter and electronic device using the same A moving object detecting photointerrupter includes one light emitting element for emitting light, at least two light receiving elements for receiving and detecting light emitted from the light emitting element and reflected off a moving object, and a detecting prog... | 03/17/2009 |
| 7504612 | Ambient light processing system for controlling display device by sensing ambient light and method using the system An ambient light processing system for controlling a display device by sensing ambient light and a method using the system. The ambient light processing system includes a photo-detector, an amplification unit, an analog-to-digital converter and a controller. The pho... | 03/17/2009 |
| 7488925 | Light control apparatus having a device for controlling the input signal light of an optical transmission path A light control apparatus includes a part for splitting an input light entering the light control apparatus through an optical fiber, a photoelectric conversion part for converting a monitor light into an electrical signal, and a third part for controlling the openi... | 02/10/2009 |
| 7402743 | Free-space human interface for interactive music, full-body musical instrument, and immersive media controller “Method and apparatus entraining interactive media players into a sustained experience of “Kinesthetic Spatial Sync,” defined as a perceived simultaneity and spatial superposition between a non-tactile, full body (“free-space”) input control process and im... | 07/22/2008 |
| 7369585 | Semiconductor based broad area optical amplifier An optical amplifier including: a photonic gain clement; and, a transistor electromagnetically coupled to the gain element to inject current into the gain element responsively to the internal optical intensity of the gain element. The coupling of the transistor and ... | 05/06/2008 |
| 7364355 | Method and apparatus for obtaining a temperature measurement using an InGaAs detector A method of linearizing the output a infrared camera having an InGaAs includes determining the an equivalent black body temperature of an object by utilizing a plurality of calibration constants determined by collecting data from a number of temperatures of the obje... | 04/29/2008 |
| 7355353 | Illumination control circuit It is an object of the invention to provide an improved illumination control circuit comprising a light emission element FL, a driving element 5 for driving the light emission element FL, and a compensation unit 8 are connected in series with respect t... | 04/08/2008 |
| 7342210 | Remote control for auto-darkening lens systems and method A wireless remote control is provided for an auto-darkening lens (ADL) system used in a welding helmet, respirator system or other device to control or to adjust settings of an ADL of a controllable light shutter. A display system facilitates providing information i... | 03/11/2008 |
| 7343220 | Optical vend-sensing system for control of vending machine For ensuring that a vending machine motor will continue to operate until a product has descended through a vending space or an established time interval has elapsed, an optical beam is established across the vend space through which a product must drop. A change in ... | 03/11/2008 |
| 7339672 | Solid-state image pickup device and signal reading method therefor A solid-state image pickup device has a photoelectric conversion part performing photoelectric conversion on incident light, a comparison part connected to an output terminal of the photoelectric conversion part to compare an output voltage of the photoelectric conv... | 03/04/2008 |
| 7325936 | Rearview correcting/controlling system for vehicle A rearview correcting/controlling system for a vehicle includes: a rearview obtaining device for providing a rearview to an occupant on a driver's seat; a drive device for driving the rearview obtaining device to change a view angle of the rearview provided by the r... | 02/05/2008 |
| 7304285 | Method and system for shaping a spatial response of a spatial filter A spatial filter includes a number of photodetectors that generate individual signals in the time domain. The individual signals are subsequently divided and grouped to create the I and Q channels output from the spatial filter. Prior to the formation of the I and Q... | 12/04/2007 |
| 7297934 | Optical system In preferred forms of the invention an array of MEMS mirrors or small mirrors inside an optical system operates closed-loop. These mirrors direct external source light, or internally generated light, onto an object—and detect light reflected from it onto a detecto... | 11/20/2007 |
| 7268894 | Image measuring method, image measuring system and image measuring program An image measuring method comprises making no stop of an imaging means relative to a measurement stage at measurement positions (MP1-MP3), and capturing instantaneous images to acquire information required for measurement. A first direction to a measur... | 09/11/2007 |
| 7268337 | Optical sensor, output processing method of optical sensor, display device, and electronic apparatus An optical sensor includes a light receiving element in which a current corresponding to the amount of received light flows between one end and the other end thereof, a comparator which compares a voltage at the one end of the light receiving element with a predeter... | 09/11/2007 |
| 7261612 | Methods and systems for read-aloud books The pages of a children's book are marked in a machine-readable manner (e.g., by imperceptible digital watermark technology). When such a page is shown to a camera-equipped computer device, the watermark is decoded, and the story text from that page is read aloud to... | 08/28/2007 |
| 7247834 | Photoelectric sensor for detecting presence/absence of object An object of the present invention is to enable the detection of the presence/absence of an object over a plurality of detection areas without using a plurality of light-receiving devices and light-emitting devices. A sensor detects the presence/absence of an object... | 07/24/2007 |
| 7245179 | Auto gain controller A gain-controlled transimpedance amplifier circuit that comprises a first gain unit including an input for receiving a first current and an output, a current source for providing a second current, a second gain unit including an input and an output, a first impedanc... | 07/17/2007 |
| 7237912 | Method for actuating a dimmable mirror A method for actuating an electrically dimmable mirror in which a predefined degree of dimming of the mirror is set by charging or discharging the mirror to a predefined setpoint voltage. The method provides for actuating an electrically dimmable mirror in which par... | 07/03/2007 |
| 7230688 | System and method for processing information in a pulse oximeter A pulse oximeter for measuring arterial oxygen saturation levels is provided. The pulse oximeter includes an LED signal generator for transmitting one or more light signals to a testing medium and a photodetector signal generator for processing at least a portion of... | 06/12/2007 |
| 7224908 | Attenuation and calibration systems and methods for use with a laser detector in an optical communication system Systems and methods for use with an optical communication beam are disclosed. The system allows the beam of light to operate at an adequate power level that provides a robust optical link while minimizing any safety risk to humans. The system calibrates and controls... | 05/29/2007 |
| 7215318 | Electrochromic element drive control circuit A drive control circuit for controlling an electrochromic element is substantially integrated into an integrated circuit, with the exception of resistive elements for dissipating heat away from the integrated circuit. The drive control circuit includes a current reg... | 05/08/2007 |
| 7199543 | Power drive unit with unit load device sensor A cargo power drive unit includes a motor and at least one driver roller element coupled to the motor. The power drive unit further includes a light transmitter for emitting light and a light receiver for measuring light. The power drive unit measures an amount of a... | 04/03/2007 |
| 7164111 | Device for detecting invisible light beam A light beam detection device includes a light-receiving element for receiving a light beam and outputting a detection signal. A light detection circuit generates and outputs a light-emission signal based on the detection signal. A light-emitting element emits light... | 01/16/2007 |
| 7154924 | Method for configuring a laser operating system The present invention provides for a method for configuring a laser operating system. More specifically, the system utilizes a graphical user interface (GUI) to allow an operator to interact with an embedded controller and set parameters for an optical communication... | 12/26/2006 |
| 7155296 | Configuration method for an installation comprising solar protection and/or lighting devices The configuration method for an installation comprising solar protection and/or lighting devices controlled by a central unit comprising a memory, microprocessor and a user interface, is characterized in that method comprises an iteration, over all of the solar prot... | 12/26/2006 |
| 7130062 | Rapid-response electron-beam deposition system having a controller utilizing leading and trailing deposition indicators An electron-beam deposition system includes an evaporation source having a source target with a target location at which a deposition material may be positioned, and a controllable electron-beam source disposed to direct an electron beam at the target location. A tr... | 10/31/2006 |
| 7119492 | Flicker detecting system for detecting lamp life differing from lamp to lamp A flicker detection system according to the present invention has an AC component extracting circuit that extracts an AC signal from a voltage applied to a lamp, the AC signal being an AC component of the voltage applied to the lamp, a display section adapted for di... | 10/10/2006 |
| 7120560 | Lamp monitoring and control system and method A system and method for remotely monitoring and/or controlling an apparatus and specifically for remotely monitoring and/or controlling street lamps. The lamp monitoring and control system comprises lamp monitoring and control units, each coupled to a respective lam... | 10/10/2006 |
| 7113893 | Lamp monitoring and control unit and method A unit and method for remotely monitoring and/or controlling an apparatus and specifically for remotely monitoring and/or controlling street lamps. The lamp monitoring and control unit comprises a processing and sensing unit for sensing at least one lamp parameter o... | 09/26/2006 |
| 7109978 | Object position detector with edge motion feature and gesture recognition A method of generating a signal comprising providing a capacitive touch sensor pad including a matrix of X and Y conductors, developing capacitance profiles in one of an X direction and a Y direction from the matrix of X and Y conductors, determining an occurrence o... | 09/19/2006 |
| 7106431 | Sensor for determining the angular position of a radiating point source in two dimensions Embodiments of a device and a technique are disclosed for locating the angular position of a radiating point source with respect to a detector comprising a point source of radiation, a variable transmissivity mask with pseudo-random variations, a multi-element detec... | 09/12/2006 |
| 7104676 | Signaling assembly A signaling assembly is disclosed and which includes a reflective substrate having opposite first and second surfaces; an electromagnetic radiation emitter for emitting visibly discernible electromagnetic radiation and which is borne by the second surface of the ref... | 09/12/2006 |
| 7095490 | Electric distance meter An electric distance meter of the present invention comprises a device (1) to generate a modulation signal for modulating measuring light which is irradiated to an object, a device (4) to periodically generate an intermittent pulse signal for generatin... | 08/22/2006 |
