73828285
Sep 29, 1989
Sep 11, 1990
ELECTRONIC COMMUNICATION TESTING AND MEASURING EQUIPMENT FOR USE IN TESTING HIGH FREQUENCY COMMUNICATIONS SYSTEMS AND COMPONENTS, NAMELY; PROGRAMMABLE DIGITAL DATA PATTERN GENERATORS; BIT ERROR TEST SETS FOR DETECTING, RECORDING AND ANALYZING DIGITAL TRANSMISSION ERRORS; CLOCK SOURCES; AMPLIFIERS; AND ANALYZERS WHICH DISSECT IDENTIFY, CHANGE, AND MEASURE DIGITAL TRANSMISSION PROTOCOLS, PATTERNS, AND WAVEFORMS
Electrical and Scientific Apparatus