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Patent Number Title Of Patent Date Issued
4890294 Plasma apparatus Dec. 26, 1989
4890293 Semiconductor laser device Dec. 26, 1989
4890292 Semiconductor laser device Dec. 26, 1989
4890291 Laser oscillator control circuit Dec. 26, 1989
4890290 Laser light source with reduced sensitivity to optical feedback effects Dec. 26, 1989
4890289 Fiber coupled diode pumped moving solid state laser Dec. 26, 1989
4890288 Light quantity control device Dec. 26, 1989
4890287 On-the-fly error correction Dec. 26, 1989
4890286 Method and apparatus for decoding error correcting code Dec. 26, 1989
4890285 Cycle counter for timeout microdiagnostics Dec. 26, 1989
4890284 Backup control system (BUCS) Dec. 26, 1989
4890283 High definition television augmentation channel Dec. 26, 1989
4890282 Mixed mode compression for data transmission Dec. 26, 1989
4890281 Switching element for self-routing multistage packet-switching interconnection networks Dec. 26, 1989
4890280 Frame relay type data switching apparatus Dec. 26, 1989
4890279 Multiplexer and computer network using the same Dec. 26, 1989
4890278 Apparatus and method for calibrated monitoring of output voltage levels of local area network co... Dec. 26, 1989
4890277 Carriage driving apparatus for a disk player Dec. 26, 1989
4890276 Optical disc player Dec. 26, 1989
4890275 Reading circuit in an optical disk apparatus Dec. 26, 1989
4890274 Optical information recording and reproducing apparatus Dec. 26, 1989
4890273 Optical information recording/reproducing system with variable gain servo error correction in re... Dec. 26, 1989
4890272 Apparatus for correcting photodetector signals in a system for retrieving information from an op... Dec. 26, 1989
4890271 Redundant termination of a communication line for maintaining the line properly terminated when ... Dec. 26, 1989
4890270 Method and apparatus for measuring the speed of an integrated circuit device Dec. 26, 1989
4890269 Heliochron Dec. 26, 1989
4890268 Two-dimensional phased array of ultrasonic transducers Dec. 26, 1989
4890267 Switch matrix Dec. 26, 1989
4890266 Acoustic range finding system Dec. 26, 1989
4890265 Infra-sonic detector and alarm with self adjusting reference Dec. 26, 1989
4890264 Seismic exploration method and apparatus for cancelling non-uniformly distributed noise Dec. 26, 1989
4890263 RAM with capability for rapid clearing of data from memory by simultaneously selecting all row l... Dec. 26, 1989
4890262 Semiconductor memory with built-in defective bit relief circuit Dec. 26, 1989
4890261 Variable word length circuit of semiconductor memory Dec. 26, 1989
4890260 Content addressable memory array with maskable and resettable bits Dec. 26, 1989
4890259 High density integrated circuit analog signal recording and playback system Dec. 26, 1989
4890258 Schedule setting method Dec. 26, 1989
4890257 Multiple window display system having indirectly addressable windows arranged in an ordered list Dec. 26, 1989
4890256 Document editing apparatus having document collator function Dec. 26, 1989
4890255 Data processing device for simultaneously activating and applying paraller trains of commands to... Dec. 26, 1989
4890254 Clock disabling circuit Dec. 26, 1989
4890253 Predetermination of result conditions of decimal operations Dec. 26, 1989
4890252 Long period pseudo random number sequence generator Dec. 26, 1989
4890251 Arithmetic shifter with sign extend facility Dec. 26, 1989
4890250 Hybrid estimating filter Dec. 26, 1989
4890249 Data compression and decompression for digital radar landmass simulation Dec. 26, 1989
4890248 Method and apparatus for reducing aliasing in signal processing Dec. 26, 1989
4890247 Automatic electrophoresis apparatus and method Dec. 26, 1989
4890246 Electronic balance with calibrating system Dec. 26, 1989
4890245 Method for measuring temperature of semiconductor substrate and apparatus therefor Dec. 26, 1989

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