Remote control apparatus providing leader pulse followed by data

Details Remote control apparatus providing leader pulse followed by data Remote control apparatus providing leader pulse followed by data

1987-02-09

1989-08-15

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

340825690, 455343, H04Q 700

Patent

active

048579173

ABSTRACT:
A communication apparatus is used in a radio control apparatus for remotely controlling the locking and unlocking of the doors or trunk of a vehicle and other uses. In this communication apparatus, a leader pulse having a predetermined duration is transmitted from the transmitter to the receiver prior to transmission of data. The receiver is intermittently operated for a period shorter than the duration of the leader pulse by periodic operating pulses issued for connecting its circuits to a battery power source, and detects the transmission of a leader pulse in order to hold the receiver in the operating condition for a predetermined period sufficient to receive the following data pulses.

REFERENCES:
patent: 4194153 (1980-03-01), Masaki et al.
patent: 4506386 (1985-03-01), Ichikawa et al.
patent: 4510595 (1985-04-01), Glance et al.
patent: 4531237 (1985-07-01), Bar-on et al.
patent: 4691382 (1987-09-01), Nakajima
patent: 4761830 (1988-08-01), Izumi

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