Remote control method and remote control system

Details Remote control method and remote control system Remote control method and remote control system

1995-09-11

1998-10-27

Horabik, Michael

Communications: electrical

Continuously variable indicating

With meter reading

455 92, 341176, G08C 1900, G08C 1912, H04B 102

Patent

active

058283170

ABSTRACT:
A security system including a remote control unit and a vehicle-mounted security apparatus. The remote control unit includes a first cyclic-code generator for generating a first cyclic code in accordance with a predetermined sequence when a key on the remote control unit is depressed. The first cyclic code is added to a command code, which is determined by the depressed key, and is transmitted as a remote control signal. The security apparatus includes a second cyclic code generator which produces a second cyclic code in accordance with the same sequence as used by the first cyclic code generator. When the security apparatus receives the remote control signal from the remote control unit, the security apparatus decodes the first cyclic code from the command code, and compares the first cyclic code with the second cyclic code. If the first and second cyclic codes coincide, the apparatus executes the operation determined by the command code.

REFERENCES:
patent: 4596985 (1986-06-01), Bongard
patent: 4876718 (1989-10-01), Citta et al.
patent: 5055701 (1991-10-01), Takeuchi
patent: 5103221 (1992-04-01), Memmola

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