Trigonometric transform function generator

Details Trigonometric transform function generator Trigonometric transform function generator

1982-09-30

1986-04-08

Chin, Tommy P.

Telecommunications

Transmitter and receiver at separate stations

Single or vestigial sideband system

455109, H04B 168

Patent

active

045817669

ABSTRACT:
A trigonometric transform function generator provides a signal which is either the sine or cosine function of an inputted information signal. The function generator can be used in an FM system or in a new system of transform modulation, wherein the transform functions are used to derive the original information signal.

REFERENCES:
patent: 3508155 (1970-04-01), Voelcker
patent: 3675131 (1972-07-01), Pickholtz
patent: 3746996 (1973-07-01), Peoples
patent: 3908114 (1975-09-01), White
patent: 3984778 (1976-10-01), Bhopale
patent: 4159398 (1979-06-01), Hilbert
patent: 4192968 (1980-03-01), Hilbert
patent: 4218586 (1980-08-01), Parker

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