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| Number | Title | Issue Date |
| 8173948 | Optical coupling apparatus for a dual column charged particle beam tool for imaging and forming silicide in a localized manner An optical coupling apparatus for a dual column charged particle beam tool allowing both optical imaging of an area of an integrated circuit, as well as localized heating of the integrated circuit to form silicide. In one embodiment, optical paths from a whitelight ... | 05/08/2012 |
| 8173947 | Scanning mirror position determination A scanning projector includes a mirror that scans in two dimensions, at least one of which is sinusoidal. A position sensor provides a position signal that represents an angular displacement of the mirror. The position signal is amplified by an amplifier with time v... | 05/08/2012 |
| 7612321 | Optical coupling apparatus for a dual column charged particle beam tool for imaging and forming silicide in a localized manner An optical coupling apparatus for a dual column charged particle beam tool allowing both optical imaging of an area of an integrated circuit, as well as localized heating of the integrated circuit to form silicide. In one embodiment, optical paths from a whitelight ... | 11/03/2009 |
| 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 |
| 7335871 | Low power switching for antenna reconfiguration Methods and systems for low power switching are provided. In one embodiment, an optical switching system is provided. The system comprises at least one optically controlled switch adapted to maintain one of an open state and a closed state based on an associated lig... | 02/26/2008 |
| 7312431 | CMOS imaging for ALC and CDS Embodiments of the invention provide pixel cells that allow both automatic light control and correlated double sampling operations. The pixel cell includes first and second photo-conversion devices that can be separately read out. For example, the second photo-conve... | 12/25/2007 |
| 7259319 | Performance operator control apparatus A performance operator control apparatus adapted to a player piano comprises a motion control unit and a key drive unit comprising a plurality of key I/O control ICs in connection with keys of a keyboard, which are driven by solenoids so as to realize automatic perf... | 08/21/2007 |
| 7230726 | Scanning unit for a position measuring instrument for optical scanning of a object measuring graduation A scanning unit for a position measuring instrument for optical scanning of a measuring graduation. The scanning unit includes a light source that emits light in a direction towards a measuring graduation that generates modified light from the emitted light. A detec... | 06/12/2007 |
| 7164482 | Position measuring system A position measuring system that includes a scale having a measuring graduation extending along a first line and a scanning device. The scanning device includes a light source that transmits light beams that scan the measuring graduation, wherein the measuring gradu... | 01/16/2007 |
| 7127098 | Image detection method and its apparatus and defect detection method and its apparatus The present invention provides an image detection system capable of picking up a high resolution image of the surface condition of a circuit pattern-formed wafer without being affected by steep pattern steps, discontinuous reflectance distributions and optically tra... | 10/24/2006 |
| 7122782 | Multi-optical axis photoelectric sensor A multi-optical axis photoelectric sensor where a main element holder and an additional element holder are relatively moved in a direction perpendicular to an arrangement direction of optical axes. An engagement projection of the additional element holder is fit int... | 10/17/2006 |
| 7093832 | Conversation generator A plate or other utilitarian object for generating conversations is provided comprising a substantially flat central portion for holding on object and a raised side surface positioned coaxially with the substantially flat central portion. A circular perforation is f... | 08/22/2006 |
| 7091884 | Analog position encoder A position-measuring circuit is described for use with an analog position encoder of the kind comprising a code member and at least two sensors for sensing successive marks on the code member during relative movement between the code member and sensors, the sensors ... | 08/15/2006 |
| 7081713 | Light grid for detecting objects in a monitoring region A light grid is provided for the detection of objects in a monitoring region having a transmitter unit comprising a plurality of light transmitters and a receiver unit comprising a plurality of light receivers in which respective pairs of light transmitters and ligh... | 07/25/2006 |
| 7039326 | Infrared communication system utilizing receiver with multiple photo-sensors A communication system including an infrared receiver that receives optical infrared signals. The infrared receiver utilizes an array of photo-sensors for detecting optical infrared signals within a solid angle. Each photo-sensor, however, detects optical infrared s... | 05/02/2006 |
| 6278513 | Image reader and digital copier with variable secondary scanning speed of an image scanning unit A digital copier includes an image reading part and a printing part. The image reading part includes reading means for electrically scanning lines of image information of a document in a primary scanning direction at a predetermined cycle to output image ... | 08/21/2001 |
| 6002815 | Linear sensor imaging method and apparatus A first linear sensor array produces, at a first time of occurrence, a first image of a segment of an object as the object moves across the sensor at a variable speed. The image and its time of occurrence are accumulated in a buffer. As the object continu... | 12/14/1999 |
| 5812284 | Electronic circuit apparatus An electronic circuit apparatus comprises an array of M×N functional elements, M×N switching elements provided in a one-to-one correspondence with the M×N functional elements, a shift register having M output lines, and a selector having N select lines... | 09/22/1998 |
| 5701283 | Method and apparatus for high speed optical storage device Methods and apparatus are provided for simultaneously reading data from multiple tracks of an optical disk at a high rate. Circuitry is provided for use with a detector matrix to read and buffer data in parallel from the multiple adjacent tracks, while as... | 12/23/1997 |
| 5539719 | Light beam deviation detecting device used in an image forming apparatus A light beam deviation detecting device for detecting deviation of parallel light beams which simultaneously scan a photoreceptor in a primary scanning direction of the parallel light beams. The device includes: at least two sensors, each having a plane s... | 07/23/1996 |
| 5420712 | Scanning device A scanning device for scanning an original which is set at a predetermined position and has information recorded thereon comprises: a plurality of light emission members for emitting lights of different wavelengths from each other; a first reflection memb... | 05/30/1995 |
| 5408289 | Scanner for photographic processor A scanner for photographic processors wherein density and surface area determinations of the photosensitive materials can be exactly and reliably determined within a large density range. Optoelectronic sensor elements are arranged in the scanner which are... | 04/18/1995 |
| 5371353 | Object detecting device having multiple optical sensors with a common output line and a common selection signal line In an image forming apparatus, the passage of paper is detected by light and compact optical sensor apparatus including a plurality of light emitting devices, a plurality of optical sensor units, each of which includes an optical sensor disposed so as to ... | 12/06/1994 |
| 5354981 | Switching photosensitive matrix device The disclosure describes one unit cell of a PNPN photoswitch array for an image sensor, including a PNPN light-activated thyristor (LAT), in the form of a two-terminal device, and a load FET. The FET functions as a load and as an on-off switch in series. ... | 10/11/1994 |
| 5345335 | Optically butted electro-optical components In an imaging system having at least two optically butted CCD sensors disposed in angular relation to each other and onto which light images are projected by means of a light beam splitter, the correct spacial position of the sensors is determined providi... | 09/06/1994 |
| 5300768 | Including a processing means for driving designated photoelectric detectors for the checking thereof An image forming apparatus according to the present invention includes a first processing device which processes in a normal mode for dynamically driving photoelectric detectors in groups so as to sequentially read detection signals from the photoelectric... | 04/05/1994 |
| 5291261 | Optical object detection system incorporating fiber optic coupling A system (4) for use in an automobile (2) for the detection of objects comprising: a light source (6); a plurality of spaced transmitter ports (10, 12) for respectively transmitting light to a plurality of fields of illumination (18, 20); an optical fiber... | 03/01/1994 |
| 5291011 | Photosensor controller for musical instrument having a driving means for driving a subsequent pair of luminescing means and detecting means in sequence A photosensor controller is described comprising sensor units 17-0 to 17-7, 18-0 to 18-7, 19-0 to 19-7 and a circuit 16 driving light emitting diodes by a method of time division. Each sensor unit comprises pairs of an LED and a photodiode. After the driv... | 03/01/1994 |
| 5245176 | Method for scanning photodiodes utilizing a shutter mechanism having opening and closing transition times A method for electronically scanning a photodiode array that is sequentially illuminated by individual light beams by way of a shutter mechanism that has opening and closing transition times during which each light beam is only partially projected onto th... | 09/14/1993 |
| 5220398 | Analog VLSI microchip for object position and orientation An analog VLSI microchip which uses moments to determine the position and orientation of an object in a scene is disclosed. The imaging sensors are implemented on the chip itself using standard fabrication processes. The method allows very high speed comp... | 06/15/1993 |
| 5210402 | Detection system for a radiation profile line A radiation profile line originates from illuminating a scene by a fan beam of radiation and imaging the thus illuminated scene on a surface of an array of photosensitive elements. A read-out circuit has inputs connected to associated detection elements i... | 05/11/1993 |
| 5179423 | Gain stabilized self-scanning photo-diode array A method and apparatus for stabilizing the gain of a self scanned photo-diode array is provided for use with spectrophotometers and other light measurement equipment. A gain stabilizer light emitting diode (LED) constantly illuminates the array so that ph... | 01/12/1993 |
| 5107103 | Integrated circuit having at least a sensor and a processor thereon The present invention pertains to an integrated circuit. The integrated circuit comprises a sensor which produces a sensor signal corresponding to energy received. The integrated circuit is also comprised of a processing element connected to the sensor wh... | 04/21/1992 |
| 5093727 | Image sensor having photodiodes of improved response to low intensity optical input A one dimensional image sensor is disclosed which has a series of photodiodes to be electrically scanned by voltages developed by a sawtooth voltage for generating electric outputs representative of incident optical energy. The scanning voltages for the p... | 03/03/1992 |
| 5036186 | Shading correction system for use with an optical scanner An improved shading correction system is disclosed where the light intensity variations of the light sources are sensed and are fed back to the shading correction system for improved shading correction. Such feedback action may be applied both during the ... | 07/30/1991 |
| 5015840 | Self-checking light curtain system and method of operation A light curtain system and method of operation which detects the intrusion of objects into a protected zone. The system is characterized in having an inherent self-checking mode of operation by logic circuits which analyze data signals from both the LED l... | 05/14/1991 |
| 5006702 | Scanning circuit device with sawtooth voltage source A scanning circuit device for providing analog switching action for a one dimensional image sensor, comprising a voltage source (1) for providing a sawtooth wave, a first (Da1 -Da3) and a second (Db1 -Db3) group... | 04/09/1991 |
| 5004183 | Switched comparator system for obtaining dynamic range In guidance systems such as bang-bang missiles or laser guided bombs, the cessary dynamic range is gained by switching between arrays of comparators as a function of signal strength.... | 04/02/1991 |
| 4929824 | light metering device with detector matrix and mean value detection A light metering device includes a light detecting number having a plurality of light detecting elements arranged in a matrix for detecting brightness of smaller divisions into which a whole image field is divided, respectively, to define a plurality of l... | 05/29/1990 |
| 4902886 | Noise reduction for photodiode arrays A method and apparatus for reducing noise in a light sensing circuit having a photodiode array coupled to a charge amplifier through a field effect transistor transfer switch. Thermal noise generated by the transfer switch is combined with image signals i... | 02/20/1990 |
