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| Number | Title | Issue Date |
| 6777666 | Position sensor utilizing light emissions from a lateral surface of a light-emitting structure and two light collectors A position sensor includes a light-source-and-light-emitting structure that emits light from each of an emitter plurality of light emitters. Light from the light emitters is received by light collectors in the lateral surfaces of two light collecting optical fibers ... | 08/17/2004 |
| 5260719 | Laminar electrooptic assembly for modulator and printer An electrooptic assembly for a light modulator, suitable for use in a printer, is constructed as a sequence of film-type layers of electrooptic material, particularly PLZT, supported upon a transparent substrate and having comb-electrode structures dispos... | 11/09/1993 |
| 5235434 | Method and apparatus for selectively adjusting the brightness of large regions of an image The invention concerns a method for rendering scene information in images having a large dynamic range, i.e. sunny and shady areas. The method takes particular advantage of image segmentation and computations employed in compression of images for electron... | 08/10/1993 |
| 5204927 | Method and apparatus for making a fiber optical coupler In one embodiment, a process for manufacturing an optical fiber coupler of the invention utilizes a rotating drum that has a sloted portion or stacking slot for receiving multiple lengths of fiber in a stack. A support for the input ends of the fibers is ... | 04/20/1993 |
| 5168375 | Image reconstruction by use of discrete cosine and related transforms A method for processing a field of image data samples to provide for one or more of the functions of decimation, interpolation, and sharpening is accomplished by use of an array transform processor such as that employed in a JPEG compression system. Block... | 12/01/1992 |
| 5128692 | Symmetric binary weighted exposure method and apparatus employing center pulse width modulation for continuous tone printer Apparatus for effecting center pulse width modulation of electronic printer lighter emitting elements is disclosed. The most significaant bit of the energization pulse for the printer light emitting elements is centered and each succeeding less significan... | 07/07/1992 |
| 5103322 | Scanner with retractable roller feed A scanner is operative with an imaging system for inducing a mechanical movement of a subject during an optical scanning of the subject to provide an image of the subject. The subject which is in the shape of a card is advanced along a travel path past an... | 04/07/1992 |
| 5086004 | Isolation of layered P-N junctions by diffusion to semi-insulating substrate and implantation of top layer An isolation structure and method of fabrication thereof for use in isolation of p-n junctions and for use in multiplexed, multi-color LED arrays. The isolation structure is fabricated on a structure which has a p-n junction formed on a semi-insulating su... | 02/04/1992 |
| 5076966 | Composition and method for testing smoke detectors A composition comprising a polyhydroxy alcohol and a water soluble solvent alcohol having a boiling temperature less than 100° C. and a method for dispensing the composition by way of an aerosol spray can is operative for testing smoke detectors of both ... | 12/31/1991 |
| 5075770 | Color balanced image detector system An imaging system for producing multicolor images of a scanned subject includes a plurality of detector assemblies. Each of the detector assemblies is sensitive to a specific color. Typically, red, green, and blue detector assemblies are employed for conv... | 12/24/1991 |
| 5075769 | Video identification card system A video identification system for producing photo print identification cards having subject portrait, subject signature and subject related data in respective areas of the card as well as a data record including individual-specific data, an image of the s... | 12/24/1991 |
| 5063174 | Si/Au/Ni alloyed ohmic contact to n-GaAs and fabricating process therefor An improved alloyed ohmic contact to n-type GaAs is provided utilizing a Si-based metallization of Si/Au/Ni and exhibiting low contact resistivity and high thermal stability. An improved process for fabricating the inventive contact is also provided compr... | 11/05/1991 |
| 5047863 | Defect correction apparatus for solid state imaging devices including inoperative pixel detection A defect correction apparatus for a solid state imaging device employs a frame buffer responsively coupled to the imaging device for storing digital values of shuttered dark pixel data from image locations of the imaging device. A register responsively co... | 09/10/1991 |
| 5038388 | Method for adaptively sharpening electronic images Method and apparatus for sharpening edges and details of a digital image without amplifying noise in the digital image provide an output image which is the sum of the input image and its adaptively-amplified high frequency components, which adaptively amp... | 08/06/1991 |
| 4996681 | Integral card for protectively enclosing an optical disk and a visual information bearing area An integral data storage disk card includes a planar rectangular base member on a portion of which a data storage disk is disposed for rotation relative to the base member and within an overlaying cover fixed to the base member to protect the data storage... | 02/26/1991 |
| 4989213 | Narrow divergence, single quantum well, separate confinement, algaas laser A narrow divergence, single quantum well, separate confinement, AlGaAs laser of the type which includes the following sequentially grown epitaxial layers: (a) an n-AlGaAs cladding layer; (b) an AlGaAs waveguide layer; (c) a GaAs quantum well layer; (d) an... | 01/29/1991 |
| 4985714 | Film dispenser with articulated catcher A dispenser of film units is operative with a film processing apparatus enclosed within a housing. The housing includes a front sidewall having an exit slot for delivery of film units, the dispenser including a film ejection device located behind the slot... | 01/15/1991 |
| 4980759 | Calibration system and method for color image scanning A system and method for calibrating signals provided by individual cells in a photodetector array scanned by light originating at a low-cost variable light source and reflected from a subject to be replicated in digital form by processing photodetector ce... | 12/25/1990 |
| 4974928 | Integral fiber optic printhead An integral sensing head includes a single fiber optic faceplate substrate to which are connected photodiode arrays, circuits for selectively controlling the transmission of electronic information signals from the photodiodes and interconnecting conductiv... | 12/04/1990 |
| 4971568 | Electrical connector with attachment for automatically shorting select conductors upon disconnection of connector For an electrical connector member which has a plurality of pins which mates with a complementary receptacle member, there is provided a shorting member comprising a thin conductive sheet having a base portion fixedly connected with respect to the connect... | 11/20/1990 |
| 4956683 | Isolation of p-n junctions An isolation structure and method of fabrication thereof for use in isolation of p-n junctions and for use in multiplexed, multi-color LED arrays. The isolation structure is fabricated on a structure which has a p-n junction formed on a semi-insulating su... | 09/11/1990 |
| 4942436 | Superlattice avalanche photodetector A low noise avalanche photodetector (APD) having repeated superlattice units. Where the principal ionizing carriers are electrons, each unit is formed from p+ -n+ layers of a first material, a near intrinsic layer of the first mater... | 07/17/1990 |
| 4941000 | Downloading film access door assembly for electronic imaging apparatus An electronic image printing apparatus is provided on the front face thereof with an improved downloading film access door assembly. The door assembly pivots substantially under the force of gravity from an upright closed position to an extended fully ope... | 07/10/1990 |
| 4937676 | Electronic camera system with detachable printer A compact, handheld portable electronic imaging system including both an electronic imaging camera and hard copy printer are separately housed with respect to each other and readily interconnectable with respect to each other for use either in combination... | 06/26/1990 |
| 4921316 | Integral fiber optic printhead An intgeral printhead includes a single fiber optic faceplate substrate to which are connected light emitting diode arrays, driver circuits for selectively controlling the energization of the light emitting diodes and interconnecting conductive lines all ... | 05/01/1990 |
| 4912537 | Image sensing array with charge isolation A semiconductor image sensing array for an electronic still image camera comprising a plurality of light sensing elements may be electronically shuttered by a gate control electrode in each light sensing element which operates simultaneously to inhibit th... | 03/27/1990 |
| 4894794 | System for providing continous linear interpolation A system for continuously linearly interpolating intermediary binary numbers operates to coordinate the transfer of binary numbers to a binary averager so as to provide output binary numbers equal to the average value of the input binary numbers during fi... | 01/16/1990 |
| 4879601 | System and method of providing images from solid state sensor An improved system for transferring still image defining high resolution data from a solid state sensor in an electronic imaging camera in a manner whereby the image data is decimated by a select factor and the rate of transfer decreased to accommodate th... | 11/07/1989 |
| 4879592 | Camera with two-bladed shutter mechanism with multiple filter apertures disposed for relative movement to provide sequential color separation exposures A color component separation camera is provided with a shutter blade mechanism in which the different color exposing filters are integrated to provide a quick series of succeeding color component exposure intervals. The blade mechanism comprises two overl... | 11/07/1989 |
| 4868586 | Reversible driving mechanism for electronic printer There is disclosed an electronic printing apparatus which prints images on sucessive individual film units held in a cassette. A carriage assembly which mounts the cassette can be driven by a driving mechanism in different directions and at different spee... | 09/19/1989 |
| 4855940 | Method of and system for computer graphic photography A method of and system for defining and photographing computer graphic images involves using photographic exposure adaptor (PXA) circuitry, providing an interface between a computer having a CPU and a film printer. The interface circuitry includes a page ... | 08/08/1989 |
| 4847119 | Semiconductor holding fixture and method There is disclosed a method and apparatus for easily mounting, holding and facilitating the coating of preselected areas of very thin semiconductor samples. The apparatus includes a base adapted for placement in a coating chamber. The base includes a pair... | 07/11/1989 |
| 4847632 | Printer apparatus having foldable catcher assembly There is disclosed an electronic printing apparatus which prints images on successive individual film units. The apparatus includes a foldable film catcher assembly which moves automatically from a compact inoperative condition to an extended operative co... | 07/11/1989 |
| 4843481 | CCD scanning apparatus for use with rotary head printer A CCD pixel pattern for receiving an image to be recorded by a rotary head printer as a series of record track scans each having a predetermined curve geometry. The pixels are arranged in rows having a curvature proportional to the record track scan geome... | 06/27/1989 |
| 4843473 | Charge injection device with low noise readout A charge injection imaging device comprises low bandwidth, low noise performance column amplifiers serially connected to respective charge coupled device storage lines. Image and/or noise defining electronic information signals are retrieved from the char... | 06/27/1989 |
| 4831244 | Optical record cards Various configurations of rectangular optical information storage card include an information surface arranged in a generally concentric and/or spiral format so that the information surface can be read as the card is rotated. Such configurations can inclu... | 05/16/1989 |
| 4829381 | System and method for electronic image enhancement by dynamic pixel transformation A system and method are provided for continuously enhancing electronic image data received in a continuous stream of electronic information signals wherein the electronic information signal corresponding to each pixel of the image recorded is selectively ... | 05/09/1989 |
| 4829585 | Electronic image processing circuit An apparatus and method for high speed parallel processing of image data corresponding to picture elements of an image in which the image data for each picture element is formatted as a binary word for multiplication by a plurality of different coefficien... | 05/09/1989 |
| 4827348 | Exposure control system for dual mode electronic imaging camera A method and apparatus for exposure control of electronic imaging cameras capable of video and still modes of operation and having an automatic variable aperture diaphragm to control image light passing to a sensor during the video mode of operation. Rela... | 05/02/1989 |
| 4825301 | Apparatus for encoding and decoding high resolution still images and video images for recording on a standard storage media Apparatus for encoding electronic still image information signals to a form suitable for recording on a conventional recording media by dividing the electronic information signals into a plurality of groups of electronic information signals wherein each g... | 04/25/1989 |
