73088770
May 28, 1976
Jan 3, 1978
ELECTRONIC TEST EQUIPMENT-NAMELY, CIRCUIT TESTERS FOR MEASURING AC AND DC VOLTS, DUTY CYCLE, RESISTANCE, AC AND DC CURRENT, FREQUENCY AND FREQUENCY RATIOS, SIGNAL PERIOD AND TIME INTERVALS, SIGNAL SLOPE AND WIDTH, SIGNAL COINCIDENCE, EVENT TOTALIZATION, SIGNAL PEAK VALUES AND DIGITAL LOGIC TRANSITION COUNTING
Electrical and Scientific Apparatus