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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...
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...
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...
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...
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...
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....
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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 (Da 1 -Da 3 ) and a...
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.
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...
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...
4897538 Light pulse detecting system with highly reduced false alarm rate, usable for laser detection  
The system enables the lowering of the false alarm rate by eliminating, in particular, the spurious pulses created by the detectors themselves. To this effect, it has one or more juxtaposed optical...
4893025 Distributed proximity sensor system having embedded light emitters and detectors  
A distributed proximity sensor system is provided with multiple photosensitive devices and light emitters embedded on the surface of a robot hand or other moving member in a geometric pattern. By...
4864651 Light communication apparatus with tracking ability  
A light signal receiver comprises a plurality of photo-sensors, a detector for detecting signal levels of light signals sensed by the photo-sensors, a selector for selecting those photo-sensors...
4833317 Optically powered resolver  
An optically powered resolver for detecting an optical property of an encoder at a plurality of encoding sites on the encoder, to permit determination of the position or other state of the encoder....
4814630 Document illuminating apparatus using light sources A, B, and C in periodic arrays  
A document imaging apparatus which is used to illuminate a portion of a document at a scanning line in a scanning plane of the apparatus. First and second light arrays are positioned symmetrically...
4766307 Semiconductive radial photodetector and apparatus comprising such a detector  
A photodetector for use in an angular displacement measuring apparatus consists a multiple photocell consisting of radially extending strip-shaped photodiodes (11 to 15). According to the...
4762991 Probe for optically monitoring progress of in-situ vitrification of soil  
A detector system for sensing the progress of an ISV process along an expected path comprises multiple sensors each having an input port. The input ports are distributed along the expected path of...
4728805 Synaptic radio frequency interactive systems with photoresponsive switching  
Synaptic antennas or other radio frequency interactive systems variable in response to photon energy stimuli, are provided from a three-dimensional matrix of electrically conductive segments with...
4724330 Self aligning raster input scanner  
A system for calibrating a raster input scanning device for detecting an image on a preselected surface, including a linear photoelectric sensor array comprising a plurality of discrete...
4701626 Accumulation time adjusting device for photo-electric converter  
There is disclosed a device for correcting the accumulation time of a photoelectric converter composed of self-scanning charge-accumulation elements of plural bits on the basis of the average...
4693599 Apparatus for measuring light beam characteristics  
The spatial or temporal characteristic of a beam of light or other electromagnetic radiation or a beam of sub-atomic particles is measured by an array of detectors. The array comprises the layer 1...
4684982 Multiple array panel matrix measurement system  
A system for measuring spaces in a periodic matrix includes a plurality of light sources for simultaneously illuminating the matrix with light at a plurality of discrete locations. A plurality of...
4675517 Photosensitive element having supplementary light sensitive regions to correct for light spot diameter variations  
A photosensitive element having first and second sensitive regions arranged to receive a light spot in such a way that as the light spot lies astride the boundary therebetween, the ratio of the...
4661713 Photovoltaic diode detection device having compensation for defective diodes  
The device includes at least two diode arrays which contain some diodes which are defective. The defective diodes are compensated in that the respective diodes of the two arrays are aligned in...
4656350 Opto-electronic selector having a plurality of optical signal inlets  
An opto-electronic selector having matrix-addressed photodetectors is characterized in that the photodetectors (Ph) are followed by individual amplifiers (PA), each of which is powered at constant...
4629877 Photo-electric conversion device  
In the disclosed photo-electric conversion device, a light source repetitiously emits light and a photo-electric converter receives reflected light originally generated by the source and ambient...
4587415 Photo-detecting device with storage time control  
A photo-detecting device employed for photo-detecting a storage type photo-sensor which produces information stored therein according to light inputs on the form of signals integrated in a real...
4577115 Apparatus for sensing transient phenomena in radiant energy images  
Delay for a field time is introduced between the end of the time a field of pixel samples is transferred from the A register into the B register of a field-transfer CCD imager and the beginning of...
4574191 Wide field-of-view laser spot tracker  
A laser spot tracker having a wider field-of-view by the use of a phase draction plate to cause the focusing of a square array of spots upon a focal plane having a plurality of detectors thereon....
4565928 Photo electro transducer device  
A photosensor comprises a first conductive layer formed on a given substrate, a one-dimensional array of a plurality of unit picture elements formed on the first conductive layer to extend in the...
4563590 Arrangement with several phototransistors  
An arrangement with several phototransistors wherein the phototransistors are interconnected in such a way that n (n-1) (n-2) phototransistors can be triggered with n leads, n being one whole...
4549078 Automatic tracking system with infrared and ultraviolet detection  
An automatic tracking system for tracking the sun on a path across the sky, comprising a reflector, a pre-programmed, automatic timed drive mechanism connected to the reflector for driving it on a...
4547676 Photosensor apparatus with light integration control  
A photosensor apparatus for detecting focal position or the like, which uses a plurality of light-receiving elements arranged in a matrix array, is disclosed. Simultaneous light integration is...
4503336 Beam former having variable delays between LED output signals  
A beamformer device for forming at least one beam from the outputs of a sensor array, including: a plurality of radiation sources; means for providing to each radiation source a signal from an...
4463649 Waveform producing system employing scanning of a waveform pattern  
A waveform producing system in which a source of infrared radiation or magnetic flux in a pattern forming section applies energy to a mask constituting a pattern-forming device that passes and...
4403141 Method and apparatus for binary coding of sensor signals from optoelectronic sensor elements  
A method and apparatus for binary coding of sensor signals received from a number of optoelectronic sensor elements employ an evaluator associated with each sensor element for generating binary...
Matches 1 - 50 out of 191 1 2 3 4 >