Channel frequency analyser

Details Channel frequency analyser Channel frequency analyser

1976-11-04

1978-12-05

Griffin, Robert L.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

325 67, 325 31, 324 79D, 332 20, H03C 300

Patent

active

041288084

ABSTRACT:
The percentage deviation of citizen band transmitter channel frequencies from the standard channel frequencies is determined by counting the difference between the number of cycles in the transmitted and standard frequencies during a period of 0.37 second, the number counted being mathematically related to the percentage deviation by the same factor for all channel frequencies.

REFERENCES:
patent: 2705281 (1955-03-01), Morris et al.
patent: 3487313 (1969-12-01), Cushman et al.
patent: 3537002 (1970-10-01), Haner et al.
patent: 3549997 (1970-12-01), Rotzel
patent: 3571760 (1971-03-01), Schwartz
patent: 3808407 (1974-04-01), Flatz
patent: 3812427 (1974-05-01), Coulter
Measure Pulse-Rate Ratios, Electronic Design 24, Nov. 22, 1976, pp. 140-142.

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