System for the generation of sine oscillations

Details System for the generation of sine oscillations System for the generation of sine oscillations

1977-12-22

1979-10-23

Smith, Jerry

Boots, shoes, and leggings

328 14, 328145, 364722, G06F 1534

Patent

active

041722868

ABSTRACT:
A system for the direct synthesis of sine oscillations by means of a sine table which has a digital counter as its input. The output of the counter is also coupled to a logarithm device and from there to a digital analog converter. The converter is coupled to a controlled pulse generator which feeds the counter with a frequency which varies logarithmically with time.

REFERENCES:
patent: 3585509 (1971-06-01), Davis et al.
patent: 3605035 (1971-09-01), Rocheleau
patent: 3633017 (1972-01-01), Crooke et al.
patent: 3739374 (1973-06-01), Kiowski
patent: 4042973 (1977-08-01), Caulfield et al.

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