Programmable remote control unit without extra key for configuration

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 plura...

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Bibliographic Details
Main Author DUFFIELD; DAVID J
Format Patent
LanguageEnglish
Published 19.09.1995
Edition6
Subjects
BASIC ELECTRONIC CIRCUITRY
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PHYSICS
SELECTING RESONANT CIRCUITS
SIGNALLING
TRANSMISSION
TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILARSIGNALS
TUNING RESONANT CIRCUITS
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Summary: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.
Bibliography:Application Number: US19930013035