Universal remote control transmitter with simplified device iden

Details Universal remote control transmitter with simplified device iden Universal remote control transmitter with simplified device iden

1993-05-24

1999-02-16

Lao, Lun-Yi

Computer graphics processing and selective visual display system

Display peripheral interface input device

Including keyboard

348734, 34082569, G09G 500

Patent

active

058725628

ABSTRACT:
A permanent non-erasable memory stores formatting data and command bit patterns for a plurality of devices of different categories manufactured by different manufacturers to be controlled by the remote control transmitter incorporating the memory. To select the correct format, the user activates an enter initiate key, thereafter a key to indicate the category of the selected device, and thereafter two digits which together signify the manufacturer and model number. The keyboard output signals resulting from activation of the keys are stored in RAM in the microprocessor controlling the remote control transmitter's operation. The stored values in RAM constitute an address for the memory. Under microprocessor control, the data read out from memory is then applied to the transmitter driver circuit to cause the properly formatted device control signal to be transmitted.

REFERENCES:
patent: 4143368 (1979-03-01), Route et al.
patent: 4386436 (1983-05-01), Kocher et al.
patent: 4413261 (1983-11-01), Greenberg
patent: 4482947 (1984-11-01), Zato et al.
patent: 4495654 (1985-01-01), Deiss
patent: 4514732 (1985-04-01), Hayes
patent: 4566034 (1986-01-01), Harger et al.
patent: 4728949 (1988-03-01), Platte et al.
patent: 4746919 (1988-05-01), Reitmeier
New Collegiate Dictionary, G. & C. Merrian Co., 1979, pp. 447-448.

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