Receiver for use in remote control system

Details Receiver for use in remote control system Receiver for use in remote control system

1990-09-04

1991-11-19

Weldon, Ulysses

Communications: electrical

Continuously variable indicating

With meter reading

34082572, 3581941, H04Q 700

Patent

active

050669486

ABSTRACT:
A receiver for use in a remote control system such as a remote controller for remotely controlling, for example, shutter release operation of a camera. The remote control system makes use of a remote control signal such as infrared pulses of a predetermined period or frequency. The receiver has a counter for counting a received signal at a timing synchronous with the period of the remote control signal, and a judging circuit for judging the received signal as being the remote control signal when the value counted by the counter has reached a predetermined value in a predetermined counting period.

REFERENCES:
patent: 3337992 (1967-08-01), Tolson
patent: 3585596 (1971-06-01), Rosenblatt
patent: 4143368 (1979-03-01), Route et al.
patent: 4445767 (1984-05-01), Kawazoe
patent: 4602255 (1986-07-01), Kitagawa et al.
patent: 4713660 (1987-12-01), Camenzind

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