Patents

Searching:





Search by keyword, patent number, inventor, assignee, city or state:




Patent # Description
US-4,697,234 Data processing module with serial test data paths
A data processing system is constructed from processing modules (e.g. LSI chips). Each module contains storage circuits which are connected together, for test...
US-4,697,233 Partial duplication of pipelined stack with data integrity checking
An improved partially duplicated stack structure for ensuring data integrity through a pipelined stack is described. An improved virtual first-in first-out stack...
US-4,697,232 I/O device reconnection in a multiple-CPU, dynamic path allocation environment
In a multiple-CPU, dynamic path allocation environment. The environment, several devices, such as input/output (I/O) devices, may be accessed through one of a...
US-4,697,231 Machine control system
A machine control system includes a CRT on which a five bit screen image code is displayed, indicative of the particular screen image being displayed. Five...
US-4,697,230 AC power supplied static switching apparatus having energy recovery capability
A three-phase matrix converter including switches having snubber circuits associated thereto, is provided with a common voltage clamp capacitor for limiting the...
US-4,697,229 Electronic control equipment
Electrical control apparatus including a power supply, a regulating element, a manually-operable control device which can be set to provide a preset output from...
US-4,697,228 Collapsible light wand
A collapsible light wand is formed from a telescopic tube assembly comprised of a plurality of overlapping translucent tube sections, the outermost tube section...
US-4,697,227 Control system for variable parameter fixtures
The application discloses an improved system for the control of a plurality of light projectors each generating a beam suitable for entertainment lighting and...
US-4,697,226 Light mounting for firearms
In a light mount for firearm, particularly a shot gun, to selectively place a beam of light at the approximate point of impact from said firearm, having the...
US-4,697,225 Headlamp, particularly of rectangular configuration, for use as antidazzle lamp on motor vehicles
A low beam headlamp includes a reflector defining an optical axis and an incandescent filament forming a cylindrical coil whose central axis extends in a...
US-4,697,224 Electric double layer capacitor
An electric double layer capacitor which comprises a separator of electrically insulative material having ion permeability and polarizable electrodes of solid...
US-4,697,223 Electrical apparatus, particularly apparatus for installation
An apparatus for selective installation of electrical components such as signal lights, switching devices, transformers and the like, includes a mounting...
US-4,697,222 Composition for dielectric porcelain and dielectric porcelain and capacitor by use of said composition
A composition for dielectric porcelain comprises BaTiO.sub.3 and 1 to 5 mole % of a compound with a molar ratio of Bi.sub.2 O.sub.3 :RuO.sub.2 =1:2 based on said...
US-4,697,221 Portable actuator for inductive load
A battery operated, portable actuator for an inductive load such as an electromagnetically actuatable photographic shutter includes an initiating capacitor for...
US-4,697,220 Protective device for auto illumination system
A protective device or an auto illumination system, including an illumination component, a protective diode, a pulse processor, an overcurrent limit circuit, a...
US-4,697,219 Snubber circuit for gate turnoff thyristor
For suppressing an abnormal rise in the anode-cathode voltage of a gate turnoff thyristor (GTO), a main snubber circuit and a number of sub snubber circuits are...
US-4,697,218 Overcurrent protection device
The device, for AC operation, is applicable more especially to the protection of very high tension installations. It comprises a rectifier (12), a comparator for...
US-4,697,217 Magnetic head having a main core of sheet amorphous magnetic material
This disclosure is directed to an amorphous magnetic head which includes a main core having core halves each formed from non-laminated thin sheets of amorphous...
US-4,697,216 Disk drive apparatus with automatic centering arrangement
In a rotary drive apparatus for a disk of the type in which the disk is mounted on a turntable, a central pin arranged at the center of the turntable and a drive...
US-4,697,215 Tape draw-out mechanism
A tape draw-out mechanism comprises a tape draw-out member to be engaged with a tape between a pair of reels and tape draw-out member driving means for...
US-4,697,214 Tape loading device
A tape loading device in which a tape is drawn from a tape cassette and wound on a rotary head cylinder, said device comprises a guide rail member formed...
US-4,697,213 Index servo type magnetic head positioning control apparatus and method thereof
According to the invention, a magnetic head positioning control apparatus using an index servo data has a circuit for determining a final correction value such...
US-4,697,212 Method and apparatus for recording a digital information signal
A method of recording a digital data signal, such as an audio PCM signal, onto a recording medium in the longitudinal direction thereof, together with an...
US-4,697,211 Sync separator with periodic updating
A sync separator detects the occurrence of a corresponding sync pulse in a corresponding part of the waveform of a composite video signal. The level of the sync...
US-4,697,210 Endoscope for displaying a normal image
An endoscope used for observing the interior of a cavity in a human body. In the endoscope according to the present invention, an image sensor is provided in the...
US-4,697,209 Methods and apparatus for automatically identifying programs viewed or recorded
A method and apparatus for identifying programs such as television programs received from various sources detects the occurrence of predetermined events such as...
US-4,697,208 Color image pickup device with complementary color type mosaic filter and gamma compensation means
A color image pickup device has a solid-state image sensing element, a complementary color type mosaic filter, and a signal processing circuit which eliminates...
US-4,697,207 System for generating a synchronizing signal in response to two timing reference signals
A method and system for composite system phase control in a signal processor such as a television video recorder operating in a genlocked system. A synchronizing...
US-4,697,206 Method and apparatus for enhancing vertical chrominance resolution
Chrominance component signals of two different types are produced such that the chrominance signals alternate within a field and between adjacent fields in order...
US-4,697,205 Heat pipe
A semiconductor circuit construction in which the semiconductor junction is constructed as an integral part of a heat pipe to eliminate the casing which...
US-4,697,204 Leadless chip carrier and process for fabrication of same
A leadless chip carrier is constructed in such a manner that each of the electrode terminals is made to be recessed from the insulation layer of the bottom...
US-4,697,203 Semiconductor device and manufacturing method therefor
A semiconductor device and a method for manufacturing a semiconductor device of a type having a resin package and a window in the package such as a quartz glass...
US-4,697,202 Integrated circuit having dislocation free substrate
An integrated circuit bulk substrate having a zinc blende or Wurtzite crystalline structure is alloyed with a material having atoms that replace atoms of the...
US-4,697,201 Power MOS FET with decreased resistance in the conducting state
In a power MOS FET, a channel forming region is established to be in contact, through a semiconductor oxide layer, with that portion of a gate region which is...
US-4,697,200 Field storage drive in interline transfer CCD image sensor
A CCD image sensor includes a plurality of PN junction photodiodes aligned in a matrix fashion, and a plurality of CCD vertical shift registers of which each...
US-4,697,199 Semiconductor protection device having a bipolar transistor and an auxiliary field effect transistor
A semiconductor device has a safety device which includes an improved lateral bipolar transistor structure. The improvement is obtained by incorporating an...
US-4,697,198 MOSFET which reduces the short-channel effect
Disclosed herein is a MOS-type field-effect transistor in which a semiconductor region having the same type of conductivity as the substrate and an impurity...
US-4,697,197 Transistor having a superlattice
A transistor has a superlattice in the channel region. The superlattice has alternate interleaved layers of undoped wide and narrow bandgap materials with the...
US-4,697,196 Electrostatic recording method and apparatus
An electrostatic recording apparatus includes a recording member having a surface on which an electrostatic latent image is formed; a recording head, to effect...
US-4,697,195 Nozzleless liquid droplet ejectors
A nozzleless print head for ink jet printing and the like comprises one or more essentially planar surface acoustic wave transducers which are submerged at a...
US-4,697,194 Lamina recording apparatus
A data recording device in which an emitter, normally an electron gun, is mounted within an evacuatable tube into which a sensitive recordable film may be...
US-4,697,193 Method of operating an ink jet having high frequency stable operation
A high performance ink jet is operated in a fill-before-fire mode. The ink jet is characterized by at least one resonant frequency in excess of 10 kHz creating...
US-4,697,192 Two arm planar/conical/helix antenna
A broadband two arm planar/conical/helix antenna is disclosed. The antenna radiation element includes a two arm planar spiral antenna section, a two arm conical...
US-4,697,191 Omniazimuthal antenna
Disclosed herein is an antenna of simplified and integral construction which comprises a pair of electrical conductors defining a pair of antenna elements or...
US-4,697,190 Borehole located directional antennae means for electromagnetic sensing systems
A directional antenna for an electromagnetic sensing system comprises a generally cylindrical tube of electrically-conductive material a portion of the tube...
US-4,697,189 Microstrip antenna
A microwave antenna formed with a conductive patch supported over and facing a ground plate beneath a support sheet overlapping the ground plate and spaced...
US-4,697,188 Interference canceler with difference beam
Undesired signals from interfering satellites are separated from desired signals from a target satellite by using a sum beam and a difference beam as in a...
US-4,697,187 Precipitation loss compensation and disablement for avoidance of satellite transponder overloading
A transmitting power control system is disclosed wherein a master earth station sends a pilot signal to a satellite which retransmits it to the master station as...
US-4,697,186 Velocity discrimination radar
A radar method and apparatus which utilizes a first frequency signal modued by a first modulating signal and a second frequency signal modulated by a second...
US-4,697,185 Algorithm for radar coordinate conversion in digital scan converters
Disclosed is a system for high speed conversion of radar formats from polar coordinates to cartesian coordinates. From an initial address X.sub.i Y.sub.i where a...
← Previous | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | Next →