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Patent # Description
US-4,342,120 Squelch system for use in a multiple carrier AM communications systems receiver
A squelch system for use in a multicarrier communications receiver includes a conventional noise squelch circuit having a detector and filter operative to close...
US-4,342,119 Multi-tone jammer
A waveform capable of jamming some or all of the channels of a multiple channel receiver is developed by a multi-tone jammer that uses a digital counter and a...
US-4,342,118 Panel for electric furnace
A panel cooled by the circulation of water and adapted to constitute all or part of a wall of an electric arc furnace. The panel consists, at the inside of the...
US-4,342,117 Mirror mounting arrangement for a laser
A mirror mounting arrangement for a gas laser, in which the end faces of the laser body are ground and polished to the required accuracy and form direct seatings...
US-4,342,116 Dry excited singlet delta oxygen generator
An improved method and apparatus for producing dry excited singlet delta oxygen for use in iodine lasers.
US-4,342,115 Laser discharge electrode configuration
Discharge electrodes suitable for CO.sub.2 and other electrically excited gas lasers are improved by the substitution of a single row of electrodes having an...
US-4,342,114 TEA Laser configuration
A transverse excitation atmospheric pressure laser employing a preionizing flash board formed on one of the sides of the laser tube. The side wall of the laser...
US-4,342,113 Laser apparatus
In a high power laser the optical resonator elements, such as reflectors for the optical resonator and optical pump are supported in optical alignment from a...
US-4,342,112 Error checking circuit
An error checking circuit is provided for a digital transmission system having a dual, redundant, bus structure. The error checking circuit generates a two rail...
US-4,342,111 Digital bridging apparatus for telephone conferencing system
A digital bridge for a telephone conferencing circuit which provides multiple conferencing capability. Microprocessor signals to a buffered memory control...
US-4,342,110 Record disc playing apparatus with automatic cancellation of inside force on tone arm
A record disc playing apparatus comprises a horizontal drive motor for imparting a horizontal rotational force to a tone arm an address signal generating device...
US-4,342,109 Carriage alignment apparatus for video disc player
In a video disc player, a support roller is mounted to one end of a pickup carriage by means of an eccentric stud. The height of the roller in respect of the...
US-4,342,108 Variable speed tone arm control system
A tone arm control system includes first and second manually operated keys for providing input signals to a control circuit. The control circuit detects which...
US-4,342,107 Pick-up needle
Pick-up needle having a cantilever lying in the longitudinal direction of the cartridge, which cantilever carries the tracking stylus point at one end and is...
US-4,342,106 Remotely controllable voice-operated starter for tape recorder
A voice-operated starter for tape recorder includes an FM tuner circuit which responds to a frequency modulated wave transmitted from a wireless microphone...
US-4,342,105 Timepiece module frame and assembly
A snap-together electronic watch module frame and assembly includes a plastic front pod member having a first recess to receive and locate the electrooptical...
US-4,342,104 Helium-speech communication
The invention relates to a novel helium-speech unscrambler which can be located at a diver's location, and enables the helium-speech voiced by the diver to be...
US-4,342,103 Address buffer circuit
An address buffer circuit is used in a memory device, for example in an EPROM device, and enables high speed testing of the memory device. The address buffer...
US-4,342,102 Semiconductor memory array
An improved read-only memory arrangement for generating a differential output signal within the memory array itself incorporates a column of reference cell...
US-4,342,101 Nonvolatile semiconductor memory circuits
An NMOS non-volatile latch having N-channel drivers Q.sub.1 and Q.sub.2 and variable threshold N-channel FATMOS transistors Q.sub.3 and Q.sub.4 as depletion...
US-4,342,100 Implant programmable metal gate MOS read only memory
An MOS read only memory or ROM is formed by a process compatible with standard P or N channel metal gate manufacturing methods. The ROM is programmed at a late...
US-4,342,099 Electrically erasable programmable MNOS read only memory
An electrically programmable read only memory or EPROM is formed by an MNOS process compatible with N-channel silicon gate manufacturing methods. Row address...
US-4,342,098 Asymmetric sawtooth contiguous disk propagation pattern
A propagation pattern for contiguous disk bubble devices consists of a plurality of parallel propagation tracks in which each propagation track is asymmetric....
US-4,342,097 Memory buffer
A memory buffer is provided between a receiving system and a digital computer to provide an indication of the number of times pulses from the same source have...
US-4,342,096 Variable pitch character generator for dot matrix printer
Proportional spacing of characters, for example by a laser-xerographic printer, is achieved using a character generator memory, for example a random access...
US-4,342,095 Computer terminal
A computer terminal is disclosed which may advantageously be employed as a video display terminal having editing capabilities. The terminal is a processor driven...
US-4,342,094 Display method for variable function programmed system
A variable function calculator utilizes a fixed program memory array such as a programmed read only memory in which a number of programs are stored depending...
US-4,342,093 Method of digital logic simulation
A logic simulation is executed using a real circuit as a part of a simulation model of a logic circuit subjected to the logic simulation. The simulation model is...
US-4,342,092 Integrated circuit device for clock
A clock integrated circuit comprises an oscillator circuit for producing a basic frequency signal, a frequency divider for frequency dividing the basic frequency...
US-4,342,091 Method of determining the coordinates of the center of curvature of the curved surface of a workpiece
A method of determining the coordinates of the center of curvature of the curved surface of a workpiece with respect to a predetermined frame of reference the...
US-4,342,090 Batch chip placement system
A batch chip placement system for batch positioning semiconductor chips, or the like, upon a substrate containing an array of chip sites or footprints whose...
US-4,342,089 Method of and apparatus for automatic measurement of circuit parameters with microprocessor calculation techniques
This disclosure is concerned with a new technique for automatically measuring impedance (though the process is also applicable to other parameters and...
US-4,342,088 Multifarious boring device
A multifarious boring device includes a work table and a head with a variety of machine tools or cutters. The work table and the head are controlled by a...
US-4,342,087 Indicator having belts, intended in particular for a radio altimeter
This indicator preferably comprises two belts; one of the belts having graduations and the other belt a mark. This mark which has been preset to one of the...
US-4,342,086 Compensating system for kinesiograph mandibular tracker
A system for compensating for geometric distortions inherent in a kinesiograph mandibular tracker which measures mandibular movement using an array of sensors...
US-4,342,085 Stem processing for data reduction in a dictionary storage file
A system for reducing storage requirements and accessing times in a text processing machine for automatic spelling verification and hyphenation functions. The...
US-4,342,084 Main storage validation means
Method and means for validating any BSM in main storage while main storage remains available for normal system operation by all CPUs in the system. The system...
US-4,342,083 Communication system for a multiple-computer system
A communication system for a multiple computer or distributed computing system is disclosed. The communication system comprises a set of individual communication...
US-4,342,082 Program instruction mechanism for shortened recursive handling of interruptions
Program instruction TPI (Test Pending Interruption) and associated data processor sequence controls for its execution enable interruption handling programs to...
US-4,342,081 Tape device adapter
A tape device adapter logic control system is disclosed for accommodating the transfer of control information and data of variable formats, densities, and logic...
US-4,342,080 Computer with microcode generator system
A computer system which includes an improved apparatus for generating microcode instructions to produce a starting address. A portion of the address information...
US-4,342,079 Duplicated memory system having status indication
A fully duplicated memory system for a single central processing unit (CPU) is disclosed. The memory system comprises a primary and a secondary control unit and...
US-4,342,078 Instruction register sequence decoder for microprogrammed data processor and method
A data processor which includes an instruction register for storing a macroinstruction to be executed, a decoder responsive to the stored macroinstruction for...
US-4,342,077 Numerical control servo drive circuit
The resolver drive circuit on a numerical control system includes a microprocessor system which monitors the phase and amplitude of the sinusoidal wave forms...
US-4,342,076 Transistor turn off current sensing circuit
A transistor current sensing circuit is provided for a power output transistor whose drive circuit includes a current controlled feedback transformer that has a...
US-4,342,075 Switched mode DC to DC converter using variable leakage transformer
A variable leakage transformer or a variable voltage transformer comprising a magnetic core with a main magnetic path and a sub-magnetic path, the main magnetic...
US-4,342,074 Lamp housing
A lamp housing for a lamp assembly, such as, for example, an indicator type, has a main body portion detachably connectable to an associated support, as, for...
US-4,342,073 Ceiling fan with illumination means
A ceiling sweep fan includes a motor depending from a ceiling mount, the motor being supported for rotation on a vertical axis, a plurality of radially extending...
US-4,342,072 Lighting fixture
A lighting fixture comprising a housing having a pair of supporting members disposed longitudinally along the inner portion of the side walls of the housing to...
US-4,342,071 Underwater lighting
A lamp capable of underwater use comprises a rectangular acrylic body with elongate V-shaped recesses in a major surface each receiving an elongate Beta-light....
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