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Patent # Description
US-4,536,888 Voice communication instrument system with line-powered receiver conditioning circuit
A voice communication instrument system for two-way voice communication is disclosed. The system includes a voice communication instrument having a microphone...
US-4,536,887 Microphone-array apparatus and method for extracting desired signal
An acoustic signal is received by a plurality of microphone elements and their outputs are delayed by delay means and weighted and summed up by weighted...
US-4,536,886 LPC pole encoding using reduced spectral shaping polynomial
Pole encoding of a linear predictive all-pole model of speech is accomplished by first finding poles up to the number required for good prediction (e.g., ten)....
US-4,536,885 Distortion correcting AM stereo receiver with non-flat AGC
In a receiver for composite amplitude and angle modulated signals and having a non-flat automatic gain control characteristic, there is provided apparatus for...
US-4,536,884 Plasma pinch X-ray apparatus
A system is provided for producing plasma pinch X-rays usable in X-ray lithography. Ionized heated plasma is repeatably generated in a first area directly from...
US-4,536,883 Method and apparatus for molecular imaging using X-rays at resonance wavelengths
Holographic X-ray images are produced representing the molecular structure of a microscopic object, such as a living cell, by directing a beam of coherent X-rays...
US-4,536,882 Embedded absorber X-ray mask and method for making same
A mask which is especially useful in X-ray lithography wherein the X-ray absorber material is embedded in the mask membrane.
US-4,536,881 Integrated logic circuit adapted to performance tests
An easily testable integrated logic circuit utilizes a plurality of flip-flops to form a feedback shift register. In some embodiments, means are provided for...
US-4,536,880 Digital DPCM-coder having a high processing speed
In an improved digital DPCM-coder having a high calculating speed, a second quantizer is provided which is supplied with a DPCM-signal determined in a ...
US-4,536,879 Pyrotechnic lamp
A long-life pyrotechnic lamp particularly suited for use in a compact, low-cost laser employing a solid-state laser rod which is pumped by the optical radiation...
US-4,536,878 Bit serial convolutional decoder for VLSI implementation
A decoder for forward-error-correcting (FEC) convolutional codes. The decoder uses the Viterbi algorithm for decoding the rate 1/2, constraint length 7 code with...
US-4,536,877 Tack-on acknowledgment in computer networks
A method of communicating is disclosed in which the receiving device acknowledges the receipt of a valid transmission and awaits the receipt of an abort message...
US-4,536,876 Self initializing phase locked loop ring communications system
A communications network including a plurality of terminals coupled together to provide a unidirectional communications ring. Each of the terminals is coupled in...
US-4,536,875 Retransmission control system
In a pocket switching communications system of the type in which each station sends its packet into an unoccupied block within a frame, the retransmission...
US-4,536,874 Bandwidth efficient multipoint data communication system
Apparatus and method are described for a data communication network which has topological independence, low variance service time distributions, potentially...
US-4,536,873 Data transmission system
The present invention relates to a data transmission system wherein a central station having a plurality of router elements exchanges data via a bus which is...
US-4,536,872 Telecommunication system for transmitting data information by means of a digital exchange
A telecommunication system for utilizing a telecommunication exchange intended for transmitting digital information between a plurality of extensions for...
US-4,536,871 Signal detector apparatus
A signal detection circuit having a balanced modem is described. A switching circuit responsive to a selected linear input signal provides a square wave having...
US-4,536,870 PCM Switching network with surplus capacity
A network for selectively switching channels from n incoming PCM links to as many outgoing PCM links comprises two sections of a receiving-side stage with n...
US-4,536,869 Optical disk assembly
An optical disk assembly includes a flexible disk-shaped support carrying a record layer. The support has an information storage region. An annular retaining...
US-4,536,868 Protected optical disk with a free layer holder
The invention relates to protected optical disk structures. The invention relates placing the sensitive layer on a substrate, which is only joined to the other...
US-4,536,867 Self-centering disc
A disc is provided which centers itself on motor shafts that vary somewhat in diameter. The disc is formed of a single sheet of material with a central hole for...
US-4,536,866 Information retrieval system and apparatus
A system and apparatus is disclosed for retrieving analog or digital information stored on an optically sensed disc. In a preferred embodiment, a video disc is...
US-4,536,865 Bookshelf type record player
A compact bookshelf type record player having substantially the width as the width of the turntable. A motor slide plate is slidably mounted through a front...
US-4,536,864 Apparatus for reading an optically coded disc-shaped record carrier
The invention relates to an apparatus for reading a disc-shaped record carrier with a spiral information track in which an optically readable digitally coded...
US-4,536,863 Method and apparatus for recovering information from a videodisc
A system for recovering information from a videodisc and performing special functions which enhance the operational character of the system. To increase the...
US-4,536,862 Seismic cable assembly having improved transducers
A seismic cable assembly having an acoustically transparent tubular enclosure has at least one hydrophone electrically connected and positioned within the cable...
US-4,536,861 Optical fibre hydrophone
The invention relates to a monomodal optical fibre hydrophone operating by elastooptical effect, which has an interferometer structure comprising a measuring...
US-4,536,860 Random access memory device
The random access memory device of the present invention provides the memory cell array arranged in the form of a matrix. The plurality of memory cells have...
US-4,536,859 Cross-coupled inverters static random access memory
A static random access memory (RAM) includes a flip-flop for storing data which contains a pair of cross-coupled inverters, a data line, a single MOS transistor...
US-4,536,858 Junction short-circuiting-type programmable read-only memory device
A junction short-circuiting-type programmable read-only memory (PROM) device comprises a plurality of striped buried layers (12) and a plurality of striped...
US-4,536,857 Device for the serial merging of two ordered lists in order to form a single ordered list
A merging device is used for combining a first list and a second list in order to form a result list. All lists satisfy a linear ordering criterion. At the...
US-4,536,856 Method of and apparatus for controlling the display of video signal information
A video signal display control method and apparatus provide the display control functions for LCD-type or other similar display devices to be attached as output...
US-4,536,855 Impedance restoration for fast carry propagation
An improved circuit for performing high speed arithmetic computations is described, and includes a mechanism for dynamically deleting faulty data bits in a...
US-4,536,854 Decimal arithmetic unit
A decimal arithmetic unit for carrying out a decimal arithmetic operation for first and second operands each consisting of a sign digit and numeric data...
US-4,536,853 Multiple wave generator
A multiple wave generator for an electronic musical instrument which has a wave data memory storing plural data samples of a wave shape, a wave address register...
US-4,536,852 Method and apparatus for determining the height of textile fiber bales
In order to determine the height of textile fiber bales disposed in successive groups in the operative range of a bale opener which is arranged to move...
US-4,536,851 Electronic thermometer and associated apparatus
An electronic thermometer is particularly adapted for use as a fever thermometer and employs a unique temperature sensor configuration comprising a platinum...
US-4,536,850 Monitoring the status of the trip cycle in an electronic postage meter
A method and associated apparatus for monitoring the trip status of the trip cycle in an electronic postage meter, comprising the steps of reading the state of a...
US-4,536,849 Machine operation monitor
A machine operation monitor is provided for detecting malfunctions during execution of a machine cycle of operation irrespective of the activity being performed....
US-4,536,848 Method and apparatus for colored computer graphic photography
Method and apparatus for making and photographing computer graphic colored images by defining each computer graphic colored image as a plurality of constant...
US-4,536,847 Heliostat control employing direct current motor
An improvement in a system and method of controlling a body to maximize the amount of solar energy received by a collector by moving the body in azimuth and...
US-4,536,846 Distortion reducer for companded analog systems
An improved companded transmission system uses a transmitter having a first compressor for compressing a signal m(t) of bandwidth B.sub.1 to form a signal...
US-4,536,845 Self-programmable controller for water conditioner recharging
A process is provided for controlling the recharging of a water conditioner. Water usage during selected fractions of a predetermined period of time is sensed....
US-4,536,844 Method and apparatus for simulating aural response information
Speech and like signals are analyzed based on a model of the function of the human hearing system. The model of the inner ear is expressed as signal processing...
US-4,536,843 Total energy based flight control system
An integrated aircraft longitudinal flight control system uses a generalized thrust and elevator command computation (38), which accepts flight path angle,...
US-4,536,842 System for measuring interfloor traffic for group control of elevator cars
An elevator passenger traffic measuring system distributes passengers whose destination floors cannot be determined to each of origin-destination floor pairs in...
US-4,536,841 Portable neutron spectrometer and dosimeter
The disclosure relates to a battery operated neutron spectrometer/dosimeter utilizing a microprocessor, a built-in tissue equivalent LET neutron detector, and a...
US-4,536,840 Autogrammer
An automatic application program generator capable of being used with microcomputers having relatively small memory storage capacities. The novel features of the...
US-4,536,839 Memory request arbitrator
A memory request arbitrator is provided for selecting one of a plurality of requesting devices, such as microprocessors, which may make a request to access a...
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