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| Number | Title | Issue Date |
| 7427733 | Gated image intensifier A gated optical image intensifier 10 is provided with multiple intensifying channels 20, 22, 24, 26 each supplied with radiation via a respective optical channel of an optical splitter. The separate intensifying channels are subject to gating by a sequ... | 09/23/2008 |
| 7423250 | Systems, circuits and methods for extending the detection range of an inspection system by avoiding circuit saturation Inspection systems, circuits and methods are provided to enhance defect detection by addressing saturation levels of the amplifier and analog-digital circuitry as a limiting factor of the measurement detection range of an inspection system. In accordance with one em... | 09/09/2008 |
| 7376359 | Digital regulated light receive module and regulation method The invention discloses a digital adjusting method for an optical receiver module, and the method implements real-time monitor of parameters, on-line adjustment and non-linear compensation. The digital optical receiver module includes elements as follow: a voltage o... | 05/20/2008 |
| 7373091 | Multicasting optical switch fabric and method of detection based on novel heterodyne receiver The inventors propose herein a switch fabric architecture that allows broadcasting and fast channel access in the ns-range. In various embodiments of the present invention, 10 Gb/s receiver modules are based on a novel heterodyne receiver and detection technique, wh... | 05/13/2008 |
| 7352043 | Multispectral detector matrix The invention concerns a matrix structure of multispectral detectors (200) comprising: a superimposition of several layers of semiconductor material separated by layers of dielectric material transparent to a light to be det... | 04/01/2008 |
| 7348584 | Infrared projector An infrared projector including: a light source which radiates an infrared ray; and an emitter which emits visible light when exposed to infrared light, wherein the emitter is provided on a position where the infrared ray radiated from the light source reaches. ... | 03/25/2008 |
| 7330668 | Low noise light receiver The low noise light receiver comprises a light sensor for generating a sensor signal, the sensor signal comprising a wanted signal resulting from a light source and an interfering signal resulting from interfering light; an optical filter apparatus for reducing the ... | 02/12/2008 |
| 7326905 | Photodetector and optical receiver An optical receiver is provided with an optical-signal-receiving section and a controlling section. The optical-signal-receiving section incorporates a photodetector. The photodetector has an APD. Through a passivation film, a photoconductor is placed on a portion o... | 02/05/2008 |
| 7317566 | Electrode with transparent series resistance for uniform switching of optical modulation devices Switching uniformity of an optical modulation device for controlling the propagation of electromagnetic radiation is improved by use of an electrode comprising an electrically resistive layer that is transparent to the radiation. The resistive layer is preferably an... | 01/08/2008 |
| 7298978 | Method and apparatus for optimizing decision level of signal output from optical receiver An optical receiver in an optical communication system, and more particularly, to a method and an apparatus for optimizing a decision level of a signal output from an optical receiver to obtain a minimum bit error rate (BER) by measuring output characteristics of th... | 11/20/2007 |
| 7297921 | Photodetection circuit and confocal microscope that has it A first amplification unit amplifies at a predetermined amplification rate an output signal from a photodetection unit for detecting an optical signal from a specimen and detecting it. An offset unit assigns offset to an output signal from the photodetection unit. A... | 11/20/2007 |
| 7274010 | Semiconductor optical amplifier device amplifying an externally applied light signal, semiconductor optical amplification driving device and semiconductor light receiving apparatus A semiconductor optical amplifier device includes an active layer, an n-type InP substrate, an n-type InP clad layer, a p-type InP clad layer, p-electrodes and n-electrodes. The active layer is made of, e.g., InGaAsP, and includes a saturable absorption region and o... | 09/25/2007 |
| 7265381 | Opto-electronic memory element on the basis of organic metalloporphyrin molecules A memory cell for opto-electronic applications includes a substrate, a first electrode and a second electrode, and an active layer arranged between the first and the second electrodes, wherein the active layer includes a metalloporphyrin derivative, and wherein the ... | 09/04/2007 |
| 7244942 | Method for producing a high resolution detector array A method for producing a high resolution detector array so as to provide very high packing fraction, i.e., the distance between scintillator elements is minimized so the detector efficiency will be higher than is currently achievable. In the preferred embodiment of ... | 07/17/2007 |
| 7212749 | Signal receiver having wide band amplification capability An Improved Signal Receiver Having Wide Band Amplification Capability is disclosed. Also disclosed is a receiver that is able to receive and reliably amplify infrared and/or other wireless signals having frequency bandwidths in excess of 40 MHz. The receiver of the ... | 05/01/2007 |
| 7205165 | Method for determining the reliability of dielectric layers The present invention is generally directed to various methods for determining the reliability of dielectric layers. In one illustrative embodiment, the method comprises providing a device having a dielectric layer, applying a plurality of constant voltage pulses to... | 04/17/2007 |
| 7173237 | Ruggedized digital low-light viewing device A digital low-light viewing device comprises a housing having a first end and an opposing second end, the first end defining an optical input aperture and the second end defining an optical output aperture; an infra-red camera assembly responsive to low intensity li... | 02/06/2007 |
| 7170606 | Multi-way LED-based surface reflectance sensor and spectrophotometer A light sensor circuit based on direct connection of LEDs to I/O pins of a microcontroller. The LEDs are reverse biased and the parasitic junction capacitance is charged in an output mode. Then, the I/O pins placed into an high-impedance input mode. The time for the... | 01/30/2007 |
| 7151029 | Memory device and method of making the same A multi-stable memory or data storage element is used in crosspoint data-storage arrays, as a switch, a memory device, or as a logical device. The general structure of the multi-stable element comprises a layered, composite medium that both transports and stores cha... | 12/19/2006 |
| 7145985 | Sensor arrangement and method for digital scanning imaging The invention relates to digital scanning imaging by electromagnetic radiation. To reduce the difference between the resolutions in, the scanning direction and the direction perpendicular thereto, pixels (P1, P2, P3, P4, P5, P6 | 12/05/2006 |
| 7130023 | Lithographic apparatus, mirror element, device manufacturing method, and beam delivery system A lithographic projection apparatus includes a radiation system for providing a projection beam of radiation, a support structure for supporting a patterning device, the patterning device serving to pattern the projection beam according to a desired pattern, a subst... | 10/31/2006 |
| 7129462 | Digitally enhanced image intensification camera An image intensification camera system (C) for gathering image data includes an image intensifier (310) for amplifying received light (312). A relay optic assembly (316) is coupled between the image intensifier (310) and a digital image s... | 10/31/2006 |
| 7119334 | Thermal imaging system and method Systems and methods for thermal sensing and imaging using the electro-optic effect. A thermal detection system comprises a temperature sensing element that includes an electro-optic (EO) material layer having a length axis and characterized by a temperature dependen... | 10/10/2006 |
| 7113709 | Redundant WDM transmission system optical receiver with reduced variable optical attenuators and/or variable dispersion compensation modules An optical receiver including a variable optical attenuator for controlling an optical loss value for each optical transmission line based on a predetermined optical loss value; a variable dispersion compensation module for controlling a wavelength dispersion value ... | 09/26/2006 |
| 7113321 | Optical deflection apparatus and manufacturing method thereof, optical deflection array, imaging apparatus, and image projection display apparatus A miniaturized and highly integrated optical deflection apparatus is realized in which the number of electrodes for driving the optical deflection apparatus is reduced. The optical deflection apparatus implements a sheet member that is electrically floating and plur... | 09/26/2006 |
| 7099072 | Direct optical modulation type wavelength converter A direct optical modulation (DOM) type wavelength converter is provided. The provided wavelength converter is a gain-clamped semiconductor optical amplifier (GC-SOA), which does not require a continuous wave (CW) signal, or a semiconductor laser in itself, and reduc... | 08/29/2006 |
| 7078856 | Wavelength variable light source A wavelength variable light source is provided with: a light emitting layer containing therein light emitting substance having a carbon-carbon inter-atomic bond; a pair of electrodes disposed on both sides of the light emitting layer while holding the light emitting... | 07/18/2006 |
| 7057149 | Method and system for controlling a secondary amplifier with a primary amplifier in an optical network A method for controlling an amplifier in an optical network includes determining primary pump power information for a primary amplifier and communicating the primary pump power information to a secondary amplifier coupled to the primary amplifier. The method also in... | 06/06/2006 |
| 7038836 | Self-light emitting device and method of manufacturing the same To provide a process of successively forming from an EL layer, a cathode, a barrier layer and a cover layer in the same multi-chamber. By using a same film deposition method to form the EL layer and the cover layer, as shown in FIG. 1A, the EL layer, the cath... | 05/02/2006 |
| 7034301 | Microbolometer focal plane array systems and methods Systems and methods for microbolometer focal plane arrays are disclosed. For example, in accordance with an embodiment of the present invention, microbolometer focal plane array circuitry is disclosed for a microbolometer array having shared contacts between adjacen... | 04/25/2006 |
| 7019722 | Recording method, photo addressable recording medium, display device and recording device A recording method by which rewriting is performed with high sensitivity and favorable display on-off operation is performed, and which may be driven by a compact, low-cost power supply, and further make color display, a photo addressable recording medium, a display... | 03/28/2006 |
| 7012644 | Multiple output node charge coupled device A system for optically imaging includes an array of cells, a charge shift register, two or more charge sensing nodes, and a charge demultiplexor. Each cell produces an electrical charge in response to photon stimulation. The charge shift register receives the electr... | 03/14/2006 |
| 7002734 | Pre-amplifier gain setting method utilizing ASE light and WDM optical transmission apparatus employing the method A WDM optical transmission apparatus is disclosed utilizing ASE light. The WDM optical transmission apparatus includes a pre-amplifier having two control modes consisting of ALC mode in which the gain of an optical amplifier is controlled such that the total output ... | 02/21/2006 |
| 6974973 | Apparatus for determining temperature of an active pixel imager and correcting temperature induced variations in an imager An imager temperature sensor and a current correction apparatus are provided which use dark pixel measurements from an imager chip during operation together with a fabrication process constant as well as a chip dependent constant to calculate chip temperature. The c... | 12/13/2005 |
| 6974946 | Transmission stacked photodetector There is provided a photodetector which has the function of measuring the intensity distribution of light with a simple and inexpensive construction and which has a selectivity for a measured wavelength band. The photodetector comprises a transparent semiconductor e... | 12/13/2005 |
| 6972620 | Post amplifier array integrated circuit An optical communication system that includes a multi-channel post amplifier assembly with flexible output configurations for amplifying optical-to-electrical converted signals on selectable groups of amplifier channels is provided. The post amplifier assembly, when... | 12/06/2005 |
| 6928535 | Data input/output configuration for transfer among processing elements of different processors An image input section and a signal processing section are provided. The image input section includes an array of pixel in which a plurality of pixels having a CMOS type photoelectric converting element for converting incident light to an electric signal are arrange... | 08/09/2005 |
| 6927383 | Radiation hardened visible P-I-N detector Disclosed is a method for producing an array (20) of p-intrinsic-n light detectors, as is an array produced in accordance with the method. The method includes providing a wafer (1); forming a first layer (2) having a first type of electrical con... | 08/09/2005 |
| 6915083 | Signal receiver having wide band amplification capability An Improved Signal Receiver Having Wide Band Amplification Capability is disclosed. Also disclosed is a receiver that is able to receive and reliably amplify infrared and/or other wireless signals having frequency bandwidths in excess of 40 MHz. The receiver of the ... | 07/05/2005 |
| 6903324 | Optical amplifier amplifying wavelength multiplexed light, and wavelength multiplexed light communications system Wavelength multiplexed light is amplified by first and second EDFs. Gains of the first and the second EDFs are respectively held to be predetermined values by first and second AGC circuits. Between the first and the second EDFs, a variable attenuator is arranged. A ... | 06/07/2005 |
