Microchips and remote control devices comprising same

Details Microchips and remote control devices comprising same Microchips and remote control devices comprising same

1993-02-18

1996-05-14

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

34082531, 34082534, 34082556, 380 23, H04Q 900

Patent

active

055171877

ABSTRACT:
Encoder and decoder microchips suitable for use in remote control devices, are disclosed. The encoder microchip comprises means for performing an encoding function on an identification number embedded in the said microchip and a combination of a unit number and a stepping counter value, so as to generate a transmission value which is only decodable by a related decoding function having access to the same identification number. The decoder microchip comprises means for decoding the transmission value into a decoded unit number and a decoded counter value and means for comparing the decoded counter value with a decoder counter value range. The encoder and decoder microchips are also provided with means for synchronizing the decoder microchip with a particular encoder microchip which has generated a synchronization command.

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patent: 5055701 (1991-10-01), Takeuchi

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