Remote control arrangement

Details Remote control arrangement Remote control arrangement

1978-08-11

1980-12-30

Yusko, Donald J.

Communications: electrical

Digital comparator systems

332 11R, 375 23, H04Q 900

Patent

active

042426642

ABSTRACT:
The invention provides remote control methods and arrangements using pulse code modulation for transmission as in infrared remote control arrangements. A primary feature is that only one quartz oscillator is necessary and is used in the receiver part. The receiver measures the first pulse width transmitted and, dependent on that, defines the measure period of a control circuit. A further feature is that each remote control word is preceded by a prepulse and a postpulse with a threefold pulse width.

REFERENCES:
patent: 3686634 (1972-08-01), Malchman et al.
patent: 3855575 (1974-12-01), Leuschner et al.
patent: 3890581 (1975-06-01), Stuart et al.
patent: 3990047 (1976-11-01), Sachs et al.
patent: 4099163 (1978-07-01), Worley et al.
patent: 4121198 (1978-10-01), Tsuboi et al.

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