Sequence inversion keyed countdown timer utilized within a...

Details Sequence inversion keyed countdown timer utilized within a... Sequence inversion keyed countdown timer utilized within a...

2008-05-13

2008-05-13

Hofsass, Jeffery (Department: 2612)

Communications: electrical

Continuously variable indicating

With meter reading

C340S870010, C340S870030, C705S002000

Reexamination Certificate

active

10900993

ABSTRACT:
An automatic meter reading system that includes a head end controller and an endpoint that is interfaced to a utility meter. The head end controller and the endpoint communicate via RF communication. The endpoint includes an internal clock that synchronizes itself to a clock countdown signal. The clock countdown signal is generated by the head end controller through use of sequence inversion keying.

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