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Patent # Description
US-4,494,244 Step-off device for aircraft voice communication system
Systems for preventing the operator of an aircraft radio from beginning a transmission while someone else is transmitting on the same radio frequency channel,...
US-4,494,243 Frequency divider presettable to fractional divisors
Division by fractions is accomplished with a counter (Z) presettable to integers and a digitally adjustable delay line (V) following this counter. The fractional...
US-4,494,242 Timing recovery in a baud-rate sampled-data system
In a high-speed digital data system, it is advantageous to sample incoming data pulses at the baud-rate rather than at the Nyquist-rate. In such a system of the...
US-4,494,241 Installation for the transmission of informations by an optical bus line
A bus line installation for the transmission of informations between a plurality of transmitters and a plurality of receivers. The signals transmitted by the bus line...
US-4,494,240 Modem end of message detector
In modem apparatus having receiver circuitry which demodulates a received carrier into a sequence of received signals and decodes each signal into a signal point...
US-4,494,239 Frame synchronization and phase ambiguity resolution in QAM transmission systems
A technique for maintaining frame synchronization in a OAM system transmitting nondifferentially encoded data is disclosed. In accordance with the present...
US-4,494,238 Multiple channel data link system
A coherent communications link for simultaneously transmitting intelligence on a plurality of non-contiguous frequency channels by means of a plurality of...
US-4,494,237 Shortwave semiconductor laser
A laser diode having an active layer which has a composition: with: 0.51.ltoreq.x.ltoreq.0.53 corresponding to a point of the straight line of the quaternary diagram...
US-4,494,236 Pulsed rf pumped waveguide laser
A waveguide gas laser is disclosed excited with bursts of a transverse rf electric field at a frequency ranging from about 30 MHz to about 3 GHz. The bursts have...
US-4,494,235 Multiple wavelength laser
A pulsed or CW laser is rapidly switched to operate at one or more selectable wavelengths by means of intracavity insertion of beam dispersion and focussing...
US-4,494,234 On-the-fly multibyte error correcting system
An apparatus and method are disclosed for processing syndrome bytes in a multibyte error correcting system in which up to t errors are correctable by processing...
US-4,494,233 Method and apparatus for the detection and regeneration of a lost token in a token based data communications...
A token-passing, ring-based data communications network provides a distributive method and apparatus for detecting and regenerating a lost token. The method...
US-4,494,232 Statistical multiplexer with dynamic bandwidth allocation for asynchronous and synchronous channels
A statistical multiplexer is disclosed that includes interfaces for asynchronous and synchronous data equipment, and a CPU/control logic. The CPU/control logic...
US-4,494,231 Time division switching system for circuit mode and packet mode channels
The switching network included in the system is connected to circuit mode and/or packet mode mono- or multi-channel digital lines via connection modules. These...
US-4,494,230 Fast packet switching system
A communication method and packet switching system in which packets comprising logical addresses and voice/data information are communicated through the system...
US-4,494,229 Interconnecting apparatus for a distributed switching telephone system
An apparatus for interconnecting switching modules, such as PBXs, of the time division multiplexing type is disclosed. An intertie termination unit is employed...
US-4,494,228 Orthogonal code division multiple access communications systems
An orthogonal code division multiple-access communications system comprised of a plurality of transceivers respectively employing orthogonal noise code mate...
US-4,494,227 Stereo phono pick-up and/or cutter
A phonograph pick-up or cutter has a stylus holder carrying a stylus, which cooperates with two transducers, one for each of two orthogonal directions of...
US-4,494,226 Three beam optical memory system
A three beam laser optical system comprising a writing beam and two reading beams all incident on the same track of a rotating disk optical recording medium. One...
US-4,494,225 Optical disc reproducing apparatus
In an optical video disc player, a still picture mode reproduction is effected by returning a light spot on a disc by one track pitch in its radial direction...
US-4,494,224 Pipe measuring method and apparatus
Method and apparatus for determining the length of a tubular member such as a pipe are disclosed. A burst of acoustical pulses are emitted from a sending unit...
US-4,494,223 Sequentially clocked substrate bias generator for dynamic memory
A dynamic read/write memory device constructed in a semiconductor chip of the MOS VLSI type employs an on-chip substrate bias generator which is sequentially...
US-4,494,222 Processor system using on-chip refresh address generator for dynamic memory
A processor system employs a self-refresh memory device which comprises an array of rows and columns of dynamic-type memory cells with on-chip refresh address...
US-4,494,221 Bit line precharging and equilibrating circuit
A circuit is described for precharging and equilibrating the bit lines in a semiconductor memory. The circuit includes a pair of precharging transistors, each...
US-4,494,220 Folded bit line memory with one decoder per pair of spare rows
A folded bit line configured DRAM, with standard even and odd rows of memory cells, also includes spare even and odd rows of memory cells which can be...
US-4,494,219 Nonvolatile read only memory device
A nonvolatile read only memory detects a time varying change of the amount of data written in the memory cell transistor using a circuit for supplying a constant...
US-4,494,218 Read only memory using series connected depletion transistors as bus lines
The memory circuit is formed by depositing spaced, parallel polysilicon strips on an insulating layer on the surface of the substrate. Spaced, parallel,...
US-4,494,217 Semiconductor memories with .alpha. shield
In a semiconductor memory device comprising semiconductor memory elements having such a degree of integration in memory circuits as to produce soft errors by...
US-4,494,216 Magnetic bubble memory device
Disclosed is a magnetic bubble memory device having a first bubble propagation path formed in an ion-implanted pattern and a second bubble propagation path...
US-4,494,215 Disk system
A disk system comprising a plurality of disk units (1-0 to 1-7) divided into primary logical volumes (101 to 171) and secondary logical volumes (102 to 172)...
US-4,494,214 Apparatus for generating scaled weighting coefficients for sampled data filters
A method is described for generating continuously variable sets of weighting coefficients for application to weighting circuits of a sampled data filter. The...
US-4,494,213 Dedicated correlator
A dedicated correlator receives two noise signals from spaced centers sensing noise in a fluid flow. One of the noise signals in delayed by a variable known...
US-4,494,212 Variable gain amplifier
A variable gain amplifier with digital output is described. The amplifier is useful for but not limited to input range selection in chart recorders or other...
US-4,494,211 Balanced system for ranging and synchronization between satellite pairs
A balanced ranging and synchronization (R&S) system for a master(M)-slave satellite pair including a clock, a transmitter, a receiver, a time difference...
US-4,494,210 Enroute weight computer for aircraft
A measure of the enroute weight of an aircraft is continuously provided by determining the zero fuel weight during takeoff, adding the weight of total fuel as...
US-4,494,209 Blending control system
A control system for blending a rich stream with a diluting stream to obtain a blended stream comprises obtaining values for specific gravities of the rich and...
US-4,494,208 Bumpless switching of valve drive in a turbine control system
Outputs of two independent controllers are available to control a valve actuator in a turbine control system. One of these valve drive signals is applied to the...
US-4,494,207 Dual turbine controller
Primary and secondary controllers both receive independent digital representations of shaft speed. Only one of the outputs of the two controllers is used. In...
US-4,494,206 Control device for indexing a stepping rotatable member
A control device for indexing a stepping rotatable member, such as a turret of an NC lathe, comprising a means for generating code signals which generates...
US-4,494,205 Method of rolling metal
In a method of rolling metal for producing a metal plate or a metal sheet having a desired range of thickness through a sequence of rolling passes, variations in...
US-4,494,204 Carding machine or roller card
Apparatus for forming fiber material into a length of sliver. The apparatus includes: a machine for receiving such fiber material and forming it into the length...
US-4,494,203 Method for correcting the deviation of a predetermined stop position in a loom
A method positioning control is disclosed, to stop mechanisms of a loom at predetermined positions when stopping the loom operation, in which the loom is...
US-4,494,202 Fourth order predictive, augmented proportional navigation system terminal guidance design with missile/target...
A method for augmenting a noise-adaptive predictive proportional navigation terminal guidance scheme. In a fourth order configuration with noise adaptive varying...
US-4,494,201 Moving-map display with recording on photographic film
Moving-map display for bringing about the precise position control of the area of the film to be displayed transversely in "x" (longitude) by purely electronic...
US-4,494,200 Process and apparatus for fixing the position of a moving vehicle on a map
For fixing the position of a moving vehicle, typically an aircraft, a map of a strip of ground along the theoretical path of the vehicle is prepared. The map has...
US-4,494,199 Brake system, especially for a motor vehicle
A brake system with a control installation influencing the deceleration of the motor vehicle in such a manner that the deceleration of the vehicle takes place...
US-4,494,198 Gun fire control systems
A gun fire control system comprises a computer (15) having a first memory (15A) preprogrammed with true range to standard ballistic range conversion data and is...
US-4,494,197 Automatic lottery system
A wagering system having a central processor and a plurality of playing consoles remote therefrom with said console capable of providing data inputs to the...
US-4,494,196 Controller for peripheral data storage units
For use in data processing systems, an improved controller to control a plurality of peripheral data storage means having different characteristic data transfer...
US-4,494,195 Microinstruction controlled data processor
Herein disclosed is a microinstruction controlled data processor in which a microinstruction memory (i.e., an ROM) is driven in each predetermined cycle thereby...
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