Apparatus for calculating amplitude values of sinusoidal waves

Details Apparatus for calculating amplitude values of sinusoidal waves Apparatus for calculating amplitude values of sinusoidal waves

1976-08-26

1978-02-07

Ruggiero, Joseph F.

Boots, shoes, and leggings

307352, 307354, 324103R, 328135, 328151, 364483, G06F 1520, G01R 1904

Patent

active

040730093

ABSTRACT:
The apparatus comprises a sampling hold circuit for sampling the amplitude of a sinusoidal wave at a predetermined frequency, a data sample extracting circuit for extracting two data samples at two points immediately before and after the peak value of the sinusoidal wave, and an operation circuit responsive to the absolute values of the two data samples for calculating the amplitude value of the sinusoidal wave.

REFERENCES:
patent: 3524075 (1970-08-01), Matthews et al.
patent: 3569785 (1971-03-01), Durbeck et al.
patent: 3599103 (1971-08-01), Nussbaumer et al.
patent: 3758763 (1973-09-01), Nohara et al.
patent: 3848586 (1974-11-01), Suzuki et al.

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