Multi-function remote control IC

Details Multi-function remote control IC Multi-function remote control IC

1975-06-26

1977-03-01

Griffin, Robert L.

Telegraphy

Systems

Printing

178DIG15, 325392, 340171R, H04B 116

Patent

active

040104230

ABSTRACT:
An integrated digital circuit for a wireless remote control system employs a first counter to distinguish the frequency of actuating signals and a confidence counter for establishing a minimum duration for an actuating signal. Logic circuitry responsive to an externally applied voltage level controls the operation of a three stage binary counter and a flip-flop to selectively initiate a first mode utilizing two frequencies for control of an eight step bi-directional volume function and a second mode in which the same two frequencies control a four state cyclic volume function and a bi-stable picture control.

REFERENCES:
patent: 3537012 (1970-10-01), Reichard et al.
patent: 3854123 (1974-12-01), Banach
patent: 3855575 (1974-12-01), Leuschner et al.
patent: 3903472 (1975-09-01), Wahl

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