Automatically sequenced signaling system

Details Automatically sequenced signaling system Automatically sequenced signaling system

1980-12-15

1983-06-14

Curtis, Marshall M.

Communications: electrical

Audible indication

Ultrasonic pest control

331108D, 340384R, G08B 300

Patent

active

043886140

ABSTRACT:
An automatically sequenced signal utilizing cross-coupled monostable multivibrators to provide a signaling sequence on time, off time and a total sequencer on time, thereby permitting a coded sequence signal to be transmitted. The timing interval of the multivibrators may be varied over a predetermined range.

REFERENCES:
patent: Re28745 (1976-03-01), Smith
patent: 4086589 (1978-04-01), Cieslak et al.
patent: 4189718 (1980-02-01), Carson et al.
patent: 4206448 (1980-06-01), Davis
patent: 4232305 (1980-11-01), Lelaidier et al.

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