Electronic echo generation equipment

Details Electronic echo generation equipment Electronic echo generation equipment

1977-07-11

1978-06-06

Brown, Thomas W.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307221C, 84DIG26, 340 3FM, 333 29, 179 1P, H04R 300, H03H 730

Patent

active

040938204

ABSTRACT:
An electronic sound generation system wherein an input signal is frequency modulated, and the modulated signal passes through a series of cascaded shift registers. Amplifiers are provided for compensation of insertion loss in each shift register stage, and a frequency modulation detector is utilized to produce the time-delayed output echo signal.

REFERENCES:
patent: 3920905 (1975-11-01), Sharp
patent: 3980828 (1976-09-01), Orban

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