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Patent # Description
US-4,893,154 Electroluminescent device
An electroluminescent device, which emits light by recombination of the carriers injected or excited by light of energy of electrical field, comprising an active...
US-4,893,153 Collation of multi-page documents
Multi-page documents containing at least two types of pages requiring skip frame cycles between types are produced by first producing and storing all the pages...
US-4,893,152 Copying apparatus having a sorter with a sheet binding function
A copying apparatus includes a sorter which has a plurality of bins, a binding unit for binding the sheets taken-out from each of the bins, a first path for...
US-4,893,151 Image developing apparatus
An image developing apparatus capable of developing high quality images without a fog and a toner density fluctuation over an extended period of time while...
US-4,893,150 Copier
A copier is comprised not only of an optical scanner and a paper supplying mechanism for supplying a copy paper sheet to have an image transferred thereonto, but...
US-4,893,149 Photographic printing apparatus
A photographic printing apparatus for diffusing light emitted from a light source and irradiating a negative film with the light diffused has a body for...
US-4,893,148 Method for storing dry silver salt roll film for rotary type microphotography and rotary type microphotography...
A dry silver salt roll film for use in the rotary type microphotography is stored in the form of a roll within a range of hardness from 70 of durometer A to 80...
US-4,893,147 Color picture image recording apparatus
In a color picture recording apparatus, a picture image of an original document is formed on a photosensitive and pressure-sensitive recording medium which may...
US-4,893,146 Paper separating claw for image forming apparatus
An image forming apparatus includes a movable image carrier, an image forming device for forming an image on the image carrier, and a transferring device for...
US-4,893,145 Focusing operation changeover apparatus for a camera
A group of photographic lenses are disposed in a lens barrel in such a way as to be freely movable back and forth in the direction of the optical axis thereof...
US-4,893,144 Continuous web form instant photographic materials and method for processing the same
A rapid access processing method for processing and delivering successive image frames on a continuous carrier web in a manner so that processing liquid spread...
US-4,893,143 Lens base and its accessories for any compact automatic camera
A lens base and its accessories for any compact automatic camera. The lens base consists of a guiding ring, an outer cylindrical ring, an inner cylindrical ring...
US-4,893,142 Device for activating motor-driven shutter blades
A device for activating shutter blades relative to a shutter opening and utilizing a control signal from an electronic circuit includes an electric motor...
US-4,893,141 Open frame sight viewfinder
An open frame sight viewfinder for a photographic camera is disclosed wherein an aiming or target ring of aiming the camera at a subject to be photographed is...
US-4,893,140 Single-lens reflex camera with built-in flash
A single-lens reflex camera with a flash unit built into the camera body above the viewing pentaprism. The unit is movable from an operating position to a...
US-4,893,139 Compact camera providing direct and indirect flash
A compact camera is of the type wherein a built-in flash unit is movable between a storage or folded position and an erect position. According to the invention,...
US-4,893,138 Ink jet recovery device including a communicating valve and a ventilating valve
A recovery device for an ink jet recording apparatus having a cup for an ink discharge port of a recording head and a suction device communicating with the cap...
US-4,893,137 Recording apparatus and ink cartridge
A recording apparatus is provided with an upper unit having a recording head for discharging ink for effecting recording on a recording medium in response to...
US-4,893,136 Arithmetically computed motor hunt compensation for flying spot scanners
An arithmetic frequency synthesizer having an accumulator for recursively accumulating a R-bit long input word at a predetermined reference frequency to generate...
US-4,893,135 Laser printer with position registration enhancement
Endless web laser printer having enhanced copy registration. Compensation is made for the position of the laser beam along the scan line when the image scanning...
US-4,893,134 Thermal transfer recording apparatus
A thermal transfer recording apparatus for carrying out recording by driving a thermal head to transfer ink of an ink film in transportation. This apparatus...
US-4,893,133 Thermal printing apparatus for forming a continuous tone dye image
Thermal printing apparatus for forming a continuous tone dye image composed of dye image pixels each image pixel having a different possible dye density level....
US-4,893,132 Assembly system for maintaining reflector segments of an antenna in precision alignment
Antenna reflector mounting system for rapidly supporting reflector segments in precise alignment. A multi-faceted hub member is provided, each face of the hub...
US-4,893,131 Mobile or ground mounted arcuate antenna
A transmitting and receiving radio frequency antenna of arcuate shape, serving as a radio frequency radiator of wave lengths between about 2 meters to about 160...
US-4,893,130 Adhesive mount mobile telephone antenna
An improved adhesively mounted antenna assembly (10) is provided for mounting on a vehicular window glass for a mobile telephone installation. The antenna...
US-4,893,129 Planar array antenna
In a planar array antenna in which radio frequency power fed by a feeder line is radiated from a plurality of radiation elements disposed in a planar state on...
US-4,893,128 Troposcatter diversity sidelobe jamming suppressor
Sidelobe jamming in dual diversity troposcatter link receivers is effectively suppressed by providing an auxilliary low power antenna, the output of which is...
US-4,893,127 Radar navigation system
A low cost electronic navigation system including a Loran receiver and a marine radar unit adapted to receive vessel position information from the Loran. A...
US-4,893,126 Integrated millimeter-wave transceiver
An integrated millimeter-wave transceiver comprising a substrate on which is provided an annular slot antenna (D) and a balanced mixer (F). Transmitter power is...
US-4,893,125 Vehicle diplex doppler near-obstacle detection system
A vehicle near-obstacle detector in the form of a diplex Doppler radar system provides range information between a vehicle and an object based on the phase shift...
US-4,893,124 Pipelined serial-parallel A/D converter
An A/D converter of this invention includes a first A/D converter for A/D-converting the input signal and determining upper bits of the n-bit binary code, first...
US-4,893,123 Transmission system having a differential pulse code modulation encoding apparatus and an associated decoding...
A transmission system for use in digital television has an input for receiving a signal to be encoded, a difference circuit (12) for supplying a differential...
US-4,893,122 Parallel analog to digital converter employing sample and hold stages
A parallel analog to digital converter and a method of processing at least two independnet signals therein are disclosed in accordance with the teachings of the...
US-4,893,121 Printwheel and encoder assembly
A printwheel encoder comprises a non-ferrous shaft having a magnet strip and a flexible Hall-effect sensor arrangement affixed thereon. Molded printwheels...
US-4,893,120 Touch panel using modulated light
A touch panel system using modulated light beams to enable the system to detect when one or more of the light beams are blocked even in bright ambient light...
US-4,893,119 Method and apparatus for operating a vehicle barricade
A method of operating a vehicle barricade comprising the steps of providing an hydraulic system comprising an electrically operated motor and a passive...
US-4,893,118 Device for identification by proximity
A reader identifies coded electronic badges without contact with the latter, by simple inductive coupling of inductances, the electrical supply of the badge...
US-4,893,117 Liquid crystal driving systems
A drive circuit for a liquid crystal display uses a sampling technique to derive drive signals from a pair of input waveforms. The waveforms comprise positive...
US-4,893,116 Logical drawing and transparency circuits for bit mapped video display controllers
An interface controller, situated between a graphics controller and a memory array in a color video display system operable in a read-modify-write mode,...
US-4,893,115 Touch sensitive visual display system
A flat panel visual display system having orthogonally disposed display electrodes which are provided by display command signals from a computer to cause...
US-4,893,114 Image data processing system
An image data processing system operates so that foreground color codes are held in a foreground register, background color codes are held in a background...
US-4,893,113 Gas alarm and detoxification heating systems
A single assembly of a water heating system for heating the water and air in a room, and an electrochemical reactor which activates a gas alarm for human safety...
US-4,893,112 Brake light and radar detection device
A brake light and radar detection device (A) is disclosed which includes a brake light unit (B), a radar detection unit (C), and a radar receiving unit (D). A...
US-4,893,111 Heavy duty solid state flasher for turn signal and emergency warning lamps
A solid state flasher for plural turn signal and emergency warning lamps for trucks or the like, capable of flashing very heavy loads with small voltage drop...
US-4,893,110 Process for detecting anomalies by use of pressure and temperature measurements in a tire-monitoring device
In order to monitor gas leakage in the tires of a vehicle, absolute gas psure and temperature in the tires are first simultaneously measured. A ratio of the...
US-4,893,109 Airbag electrical igniter readiness detector
Method and apparatus for periodically checking the critical resistance value of an airbag igniter ("squib") component and determining if the resistance exceeds a...
US-4,893,108 Halogen detection with solid state sensor
A solid state thin film detection and measurement apparatus for halogen gas components such as chlorine in a gas mixture is described. The detection cell employs...
US-4,893,107 Axial miniature fuse with plastic molded body
An improved electrical fuse having axial leads (5) and comprising a fuse wire in a cylindrical sleeve (2) supported at its ends by lead carrying end caps (3) is...
US-4,893,106 Electrical fuses
The disclosed full-range fuse provides excellent short-circuit and overload protection using various forms of fuse links, made of copper or copper alloys, or...
US-4,893,105 Transformer with tapered core
In a transformer including a low-voltage input coil, a high-voltage output coil disposed coaxially of the low-voltage input coil, and a core for magnetically...
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