Remote control receiving system

Communications: electrical – Continuously variable indicating – With meter reading

Patent

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Details

359142, 359145, 375316, 375346, G08C 1900

Patent

active

061218936

ABSTRACT:
A remote control receiving system includes a squaring circuit for squaring the received signal before filtering. The filtered signal is applied to an envelope detector for distinguishing a control signal from external noise. Accordingly, external optical or electrical noise is substantially removed from the control signal such that remote control communication is substantially enhanced.

REFERENCES:
patent: 3614760 (1971-10-01), Zimmet et al.
patent: 4232298 (1980-11-01), Ley
patent: 4426662 (1984-01-01), Skerlos et al.
patent: 5506715 (1996-04-01), Zhu

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