Oscilloscope sweep rate indicator system

Details Oscilloscope sweep rate indicator system Oscilloscope sweep rate indicator system

1977-02-28

1978-06-27

Corcoran, Robert J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

324186, 328129, 328185, G01H 2302

Patent

active

040977986

ABSTRACT:
A system for indicating the sweep rate of an oscilloscope time base. A counter is enabled by a sweep gate signal to permit clock pulses having a predetermined repetition rate to be counted during the time a sweep-driving ramp waveform is generated. The count output, which is proportional to the length of a time-base sweep, is decoded to generate specific control signals indicative of the sweep rate thereof. The control signals may then be used by a utilization means to provide a visual readout of the time-base sweep rate or to provide auto ranging for a digital voltmeter scaled in time units for time interval measurements.

REFERENCES:
patent: 3439282 (1969-04-01), Moriyasu
Hewlett-Packard Co. Publication; Freq. & Time Measuring Equip., Apr. 1963; Catalog No. 24; pp. 120-122.

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