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Patent # Description
US-4,342,070 Anchoring apparatus for an electrical device
An electrical device includes a housing having an open end for receiving an electrical component, a rigid member for sealing the open end to contain the...
US-4,342,069 Integrated circuit package
An integrated semiconductor package containing circuitry capable of supporting separately packaged semiconductors to achieve greater circuit board density and to...
US-4,342,068 Mounting assembly for semiconductor devices and particularly power transistors
A mounting assembly for a semiconductor device, particularly a power transistor, which encloses and holds the device upon a plate which serves as a heat sink...
US-4,342,067 Electric power substation for use at very high voltages
The invention concerns an electric power substation for use at very high voltages. The substation comprises a circuit-breaker (4) connected to a busbar (29) by a...
US-4,342,066 Electrical condenser with a dielectric of gas under pressure
The present invention relates to a condenser for high power and with a gas shaped dielectric and preferably intended for tank circuits in high frequency...
US-4,342,065 Protection circuit for a data driver
Disclosed herein is a circuit for protecting an inhibitable tristate data driver from damage due to an over current. A logic comparator circuit compares input...
US-4,342,064 Static distance relays with improved polarizing signal
A distance protective relay employing phase angle comparator measurement is provided with an improved polarizing signal. In one embodiment, a phase distance...
US-4,342,063 Memory circuit in a relay protection device
The invention relates to a memory circuit in a relay protection device with a phase-locked loop, a monitoring circuit and an updating circuit. When a fault...
US-4,342,062 Sequence network circuits for protective relaying applications
Sequence network circuits are provided for use in three-phase protective relaying applications. In one embodiment, the circuit includes input circuit means for...
US-4,342,061 Voltage reduction safety circuit
A circuit is presented for coupling a storage capacitor to a capacitor shorting switch whereby voltage across the shorting switch is maintained at a reduced...
US-4,342,060 Energy interlock system for a linear accelerator
The energy interlock system contains a measuring device, a discriminator and a switch. The measuring device determines the level of the particle beam pulses...
US-4,342,059 Electronic gain and noise control for recording of analog information
Audio signals with opposite relative phases are recorded on two tracks. A dual track head reproduces the signals from the two tracks and introduces another phase...
US-4,342,058 Apparatus for running magnetic tapes
An apparatus for running magnetic tapes has three projecting pins each of which has a cylindrical portion and a free end portion. The three projecting pins hold...
US-4,342,057 Skew calculation using information recorded along a single timing track
The present invention provides apparatus for calculating the skew distortion introduced in each channel of a multi-channel longitudinal recorder when recorded...
US-4,342,056 Information block locating device
Provided is an information block-number setting device which is suitable to a program-reproducing device designed automatically to select a predetermined...
US-4,342,055 Automatic reverse tape recorder
An automatic reverse tape recorder comprises a single motor which drives a tape at prescribed and high speeds, but does not include at all an idler for changing...
US-4,342,054 Information read device
This invention relates to an information read device for reading the information of a coded AC signal. The information read device for reading the information of...
US-4,342,053 Video signal, speed-change reproducing system
A video signal, speed-change reproducing system has a tape on which a video signal has been recorded. The tracks are disposed contiguously and obliquely relative...
US-4,342,052 Multiple image facsimile
The apparatus shown herein controls a facsimile system to reduce four source documents and print all four reduced copies on a single copy page. The facsimile...
US-4,342,051 Method of and system for reproducing or transmitting half-tone images
An original image field is successively scanned along each of parallel line paths to detect the image density of the scanned elemental picture area. A plurality...
US-4,342,050 Beam intensity measurement system for raster scanners
A raster scanner has a laser as a source of a scan beam, an optical system including a rotating polygon for scanning the laser beam across the object to be...
US-4,342,049 Supportive means for a cathode ray tube
The invention relates to an improvement in a type of CRT mounting bracket employed in a multiple-bracket system for supporting a banded tube in a display...
US-4,342,048 Automatic CRT tracking circuit
An automatic CRT tracking circuit for a television receiver includes an amplifier having adjustable gain and offset transfer functions for coupling a video...
US-4,342,047 Color calibration accuracy in a color raster scanner
A color calibration procedure for use with a color raster scanner includes the steps of: identifying small areas on the source chart, or medium to be scanned,...
US-4,342,046 Contact screen for making color separation halftone blocks
A contact screen for making color separation halftone blocks, for use in a picture reproducing machine, wherein a plurality of halftone screens having different...
US-4,342,045 Input protection device for integrated circuits
A new input protection device for integrated circuits in which the metal-semiconductor contact between a metal line from a metal input pad and doped...
US-4,342,044 Method for optimizing photoresponsive amorphous alloys and devices
The production of improved photoresponsive amorphous alloys and devices, such as photovoltaic, photoreceptive devices and the like; having improved wavelength...
US-4,342,043 Sheet feeding for a facsimile system with anti-static electricity additive
A system for reliably feeding individual sheets of recording media is disclosed especially as such system is related to media suitable for electrosensitive...
US-4,342,042 Ink supply system for an array of ink jet heads
The present invention relates to ink supply system for an ink jet printer comprising a primary ink supply source and a secondary or temporary ink supply...
US-4,342,041 Ink jet type recording apparatus
An ink jet type recording apparatus is disclosed which includes a main tank containing recording liquid, a subsidiary tank receiving a supply of recording liquid...
US-4,342,040 Heat sensitive recording system
A heat sensitive recording system including a head base for mounting thereon a heat sensitive recording head formed at opposite end portions thereof with guide...
US-4,342,039 High resolution magnetic printing head
In order to achieve higher resolution in printed data, separate magnetic printing head sub-assemblies are adjacently disposed with respect to each other. Each...
US-4,342,038 Weighing apparatus and method
An apparatus and method for providing indicia on articles or packags, which indicia is an indication of such variables as identification, destination, weight,...
US-4,342,037 Decoupling means for monopole antennas and the like
A monopole antenna or the like including a sleeve antenna and a stub antenna having means for decoupling the antenna from surrounding electrically conductive...
US-4,342,036 Multiple frequency band, multiple beam microwave antenna system
A single microwave-reflective antenna "dish" can be used in combination with a plurality of multiple-beam microwave feed arrays to generate or receive...
US-4,342,035 Frequency compensating reflector antenna
A reflector antenna comprising a reflector system, and a feed system, for instance a log-periodic feed system, the phase center of which moves with frequency,...
US-4,342,034 Radio frequency antenna with polarization changer and filter
A radio frequency antenna is provided wherein an array of antenna elements is adapted to establish linearly polarized radio frequency energy. A polarizer means...
US-4,342,033 Wave action device for radio frequencies
A wave action device for beams of radio frequency waves operates as an electromagnetic lens at an electromagnetic wave relay station to redirect the...
US-4,342,032 Device for the detection of and defense against masked helicopters
A device for the detection of and defense against low-flying helicopters which are masked or hidden by ground cover has a heat-sensitive sensor and an optical...
US-4,342,031 Liquid crystal and numerical display devices
Liquid crystal, plasma cathode glow type or other materials visibly changeable by electrical actuation are provided with a set of generally circular shaped...
US-4,342,030 Analogue displays for electronic timepieces or meters
An analogue display with a panel having an electro-optic medium contained between two sets of electrodes. One set is arranged in a plurality of segments each...
US-4,342,029 Color graphics display terminal
A color graphics display terminal having an edit mode of operation and a graphic mode of operation is disclosed. The edit mode provides interactive man-machine...
US-4,342,028 Cable drum rotation indicator
A drum rotation indicator for a power driven cable drum operated by a control lever, which includes an arbor rotatably mounted within the control lever and...
US-4,342,027 Radix conversion system
Radix conversion apparatus which converts an input number in a first number system into an equivalent output number in a second number system by performing a...
US-4,342,026 Number conversion apparatus
An apparatus for converting an input BCD number into its equivalent output binary number in a first mode of operation or an input binary number into its...
US-4,342,025 Arrangement for determining the position, especially the angular position, of a movable body
An arrangement for determining the position, especially the angular position, of a movable body comprises a plurality of tracks which are movable with the body...
US-4,342,024 Vehicle burglar alarm apparatus with electronic memory and digital disabling combination
Burglar alarm apparatus particularly for motor-cars or the like, comprising an electronic memory with digital combination, associated with a microcomputer for...
US-4,342,023 Noise level controlled voice warning system for an automotive vehicle
A voice warning system for an automotive vehicle automatically adjusts the voice volume to an appropriate sound level in accordance with the noise level within...
US-4,342,022 Warning lamp arrangements for vehicle battery charging systems
A warning lamp arrangement for a vehicle battery charging system comprises three resistors (16, 17, 18) connecting a point (19) to the output terminals of an...
US-4,342,021 Position or movement sensor, e.g. for conveyances such as lifts
A position or movement sensor responsive to movement of a mine cage (26) in a mineshaft comprises a leaky coaxial cable (12) extending along the path of the...
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