Communications: electrical – Audible indication – Percussion-type sound producer
Patent
1975-01-17
1976-06-22
Habecker, Thomas B.
Communications: electrical
Audible indication
Percussion-type sound producer
340331, G08C 100
Patent
active
039654680
ABSTRACT:
A logic pulser is disclosed which provides controlled pulses for stimulating a digital logic circuit under test. The pulser is serially programmed, e.g. by means of a manually operated push button switch to generate single pulses, continuous streams of pulses, or bursts of pulses.
The pulser may include a visual output indicator such as an LED which flashes in a predetermined sequence to indicate in which mode the pulser is operating.
The pulser may also include output circuitry which sets the voltage and automatically adjusts the width of the output pulses to provide appropriate net charge to different types of digital circuitry.
REFERENCES:
patent: 2716230 (1955-08-01), Oliwa
Pulse Generator Has Wide Control Range, W. W. Schroeder, Mar. 1953, pp. 136, 137 Electronics.
Grubman Ronald E.
Habecker Thomas B.
Hewlett--Packard Company
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