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Patent # Description
US-4,672,588 Method for displaying acoustic well logging data by producing travel time stacks
A method for producing a display of acoustic signals received during full waveform acoustic well logging. In a preferred embodiment, the signals received at the...
US-4,672,587 Integratable, bus-oriented transmission system
A monolithically integratable transmission system for binary information has at least one address source which is connected to at least one address sink via an...
US-4,672,586 Semiconductor memory having circuit effecting refresh on variable cycles
A semiconductor memory using a dynamic memory device, wherein a battery supplies a power source voltage and a substrate bias voltage when the memory is cut off...
US-4,672,585 Device for stopping the running of programs being executed in a microprocessor prior to the disappearance of...
A device for stopping the running of programs being executed in a microprocessor prior to the disappearance of the power supply voltage of the microprocessor...
US-4,672,584 CMOS integrated circuit
A CMOS integrated circuit includes a P-channel type MOS transistor which is formed on an N-type silicon substrate, an N-channel type MOS transistor which is...
US-4,672,583 Dynamic random access memory device provided with test circuit for internal refresh circuit
A dynamic random access memory device is equipped with a test circuit for testing an internal refresh circuit. In a test mode, the content of an internal address...
US-4,672,582 Semiconductor device
A semiconductor device is provided which can be efficiently subjected to a function test at a high speed by write/read operations for each plurality of bits. The...
US-4,672,581 Repairable memory array
The columns of a memory array are accessed by a plurality of column decoders, each decoder selectively accessing one column in a respective group of columns....
US-4,672,580 Memory cell providing simultaneous non-destructive access to volatile and non-volatile data
A memory cell providing separate storage of volatile and non-volatile data. The volatile and non-volatile data elements, which are not necessarily duplicative,...
US-4,672,579 MTL storage cell with inherent output multiplex capability
Semiconductor integrated word organized store comprising a two-dimensional array of bistable storage cells linked by orthogonal word lines and pairs of bit...
US-4,672,578 Method of information recording on a semiconductor wafer
An information recording method is provided, in which a p- or n-type semiconductor wafer is irradiated with an energetic particle beam such as an electron beam...
US-4,672,577 Three-dimensional integrated circuit with optically coupled shared memories
Adjacent memory layers of a multi-layered integrated device as optically coupled, so that data written on one layer can be copied onto its adjacent layers...
US-4,672,576 Programmable read only memory output circuit
An I.sup.2 L programmable read only memory (PROM) output circuit has a selectable dual non-inverting input differential amplifier with each non-inverting input...
US-4,672,575 Schematic building cursor character
A personal computer having an interactive all points addressable display thermal (44) and a cursor positioning device (52) is provided with apparatus for...
US-4,672,574 Data communication system with terminal for displaying the coded stream of data being transmitted
A communication system is provided in which one data transmitting display terminal has the capability of transmitting a data stream in coded form to at least one...
US-4,672,573 Programmable controller with improved return processing capabilities after a power interruption
A programmable controller is provided for controlling, e.g., external devices according to a given control cycle. A non-volatile user program memory stores a...
US-4,672,572 Protector system for computer access and use
A protector device as described for enhancing the security of a computer system which includes one or more user terminals in one or more host computers. The...
US-4,672,571 Compound word suitability for spelling verification
A compound word spelling verification technique is described for use with a dictionary which does not include all verifiable compounds. During verification of a...
US-4,672,570 Network interface module and method
An interface module and associated software connect a broad range of computer systems to a real time local area network. It connects to a host computer system...
US-4,672,569 Method and apparatus for simulating outer ear free field transfer function
An electroacoustic simulation method and apparatus for imitating electroastically the human outer ear having transmission properties corresponding to those of...
US-4,672,568 Method for digital voltage controlled oscillator
A method for approximating a continuous range of signals having sinusoidal waveforms with signals having trapezoidal waveforms, and for generating a continuous...
US-4,672,567 Median filter for reducing data error in distance measuring equipment
A set containing an odd number N of successive raw range data samples from precision distance measuring equipment is established. The set is arranged in...
US-4,672,566 Device for measuring variable with automatic compensation for offset
A measurement device for measuring a physical property such as temperature difference, displacement, pressure, fluid flow rate, etc. comprises: (a) an amplifying...
US-4,672,565 Direction detecting system for vehicles
A direction detecting system comprises a geomagnetic field sensor for detecting the direction of the earth magnetism by two perpendicular components and a...
US-4,672,564 Method and apparatus for determining location and orientation of objects
A target plane in fixed relationship to an object provides a first triad of three collinear target points which lie on a first line projection and a second triad...
US-4,672,563 Direction detection apparatus
In a moving object, such as automobile, having a steering gear which determines a traveling course, and a traveling distance detector which detects a traveling...
US-4,672,562 Method and apparatus for determining location and orientation of objects
An orthogonally related target point array is provided in fixed relationship to an object. A photo detector image plane obtains images of the target points...
US-4,672,561 Enthalpy calculator unit
An enthalpy calculator unit outputs a value of enthalpy directly from two measured parameters, such as dry bulb temperature and relative humidity, and includes a...
US-4,672,560 Enthalpy calculator
An enthalpy calculator outputs a value of enthalpy directly calculated from two measured items such as dry bulb temperature and relative humidity, and includes:...
US-4,672,559 Method for operating a microscopical mapping system
A "flying field" computer aided interactive microscopical mapping system has been developed that enables an operator to map over a region of the specimen...
US-4,672,558 Touch-sensitive data input device
A touch-sensitive data input device for use with a computer system having a display screen has a demountable bezel which establishes a grid of light beams in...
US-4,672,557 Automatic accurate alignment system
An accurate alignment system for positioning at a required position an object to be worked which has on its surface straight-line areas whose image density...
US-4,672,556 Frequency detector system
A frequency detector in a frequency control for a generating system includes a system processor and a counter for deriving a digital count proportional to the...
US-4,672,555 Digital ac monitor
An apparatus and method is provided for monitoring a plurality of analog ac circuits by sampling the voltage and current waveform in each circuit at ...
US-4,672,554 Software vending instrument
A software vending instrument comprising a memory for storing a plurality of different software programs, selector switches for selecting a desired program from...
US-4,672,553 Order processing method and apparatus
In the disclosed method and apparatus, item-identifying codes of packages loaded onto a conveyor are scanned and, based on comparisons with the items in a group...
US-4,672,552 Method and apparatus for controlling rotary veneer lathe knife to optimize material usage
A method and apparatus minimize the amount of waste veneer cut by a rotating veneer lathe after a peel break by coordinating the contour of the previous peel...
US-4,672,551 Die machining apparatus in automatic programming
This invention has improved the automatic programming method which is used for machining the configuration of a curved surface of a die. The values of X and Y...
US-4,672,550 Computer controlled machine tool
A control system is provided for allowing complex shapes to be machined on a workpiece at high speed. The control system is computer controlled and receives...
US-4,672,549 Coil spring forming machine
A coil spring forming machine control system. The system controlling the coil parameters of length, pitch, and diameter.
US-4,672,548 Speed capture in climb for aircraft
An improved method for the automatic acceleration of an aircraft to a preselected speed is described. At any point in the climb portion of flight, a capture of a...
US-4,672,547 Antiskid control with surface roughness compensation
In an antiskid control system, the acceleration of a vehicle wheel is detected and compared with a predetermined value. A first count value is incremented in...
US-4,672,546 Systems for extracting horizons contained in a 3-D network of turnings and converting the horizons to a 2-D format
A computer system extracts horizons, each defined by a network of points in a first format from within a three-dimensional volume. Each point is tagged with a...
US-4,672,545 Method and apparatus for synthesizing three dimensional seismic data
Method and apparatus are disclosed for converting seismic data obtained at known points to synthesized seismic traces obtainable at arbitrarily selected points....
US-4,672,544 Dosimeter-radiation meter and method for measuring the dose flow of ionizing radiance
Disclosed is a dosimeter-radiation meter for measuring a dose flow of ionizing radiation including a Geiger-Mueller tube and data processing circuitry. The data...
US-4,672,543 Data transmission control apparatus in local network systems
A local network system interconnects computer devices, such as cash registers, scattered in a relatively small area. The local network system includes reception...
US-4,672,542 Method for processing locating pulses supplied by a gamma camera and a gamma camera utilizing this method
The invention relates to a method for processing locating pulses supplied by a gamma camera and to a gamma camera utilizing this method. In accordance with the...
US-4,672,541 Video game with interactive enlarged play action inserts
A method of operating a video game which comprises storing at least two different but related playfield displays and changing playfield displays in response to...
US-4,672,540 Intelligent cooking appliance
A cooking appliance includes a heating source to provide heat to a cooking medium for cooking food, temperature sensing circuitry for detecting the cooking...
US-4,672,539 File compressor
An adaptive method of file compression is based on the recognition that language can be thought of as a stream of alternating words and separators. Empty...
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