Programmable remote control unit without extra key for configura

Details Programmable remote control unit without extra key for configura Programmable remote control unit without extra key for configura

1993-02-03

1995-09-19

Swarthout, Brent

Coded data generation or conversion

Code generator or transmitter

Transmitter for remote control signal

34082569, 34082572, 348734, G08C 1912

Patent

active

054519535

ABSTRACT:
In a preprogrammed remote control unit, a controller is coupled to first and second pluralities of keys for determining which of the keys is depressed at any given time. The first and second pluralities of keys are coupled to the controller in an arrangement in which a key pressed in the first plurality of keys does not interfere with the reading of a key pressed concurrently in the second plurality of keys. A key identifying the device to be programmed is located in the first plurality of keys, and the numbered keys are located in the second plurality of keys. A selection of preprogrammed device control codes for a particular device to be controlled is made by holding down a key corresponding to the device to be controlled while concurrently entering the number of the desired selection via the numbered keys. In one embodiment of the invention no drive or sense line is shared between the number keys and the device selection keys. In a second embodiment of the invention, a drive line may be shared between the number keys and the device selection keys, but no sense line may be shared.

REFERENCES:
patent: 4482947 (1984-11-01), Zato et al.
patent: 4746919 (1988-05-01), Reitmeier
patent: 4774511 (1988-09-01), Rumbolt et al.
patent: 4825200 (1989-04-01), Evans et al.
patent: 4866434 (1989-09-01), Keenan
patent: 4999622 (1991-03-01), Amano et al.

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