Remote control transmission circuit

Details Remote control transmission circuit Remote control transmission circuit

1992-01-28

1998-08-04

Horabik, Michael

Coded data generation or conversion

Code generator or transmitter

Producing different pulse frequencies

341176, 341187, 377 67, 377 70, G08C 1916, H04B 104

Patent

active

057900663

ABSTRACT:
A remote control transmission circuit for generating a multicarrier under control of a single microcomputer. This transmission circuit is arranged so as to allow reduction of the number of the program commands and making it easy to perform a different process during the output of the multicarrier. The number of the shift circuits of the shift circuits 2a to 2f which are connected is set by a switching circuit 4. A change-over switch 6 performs the change-over operation as to whether a new shift circuit 5 is coupled. The change-over switch 6 is controlled by an overflow signal of a counter 7 whose count source is an inversion signal of the carrier (multicarrier) output 1. The control of the change-over switch 6 automatically controls the period for the correction of the carrier output 1 without the control due to the microcomputer.

REFERENCES:
patent: 4646245 (1987-02-01), Prodel et al.
patent: 4654512 (1987-03-01), Gardosil
patent: 4669047 (1987-05-01), Chucta
patent: 4759123 (1988-07-01), Ohta et al.
patent: 4901242 (1990-02-01), Kotan

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