One-way data telemetering system utilizing the power supply main

Details One-way data telemetering system utilizing the power supply main One-way data telemetering system utilizing the power supply main

1989-11-09

1993-03-30

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

Plural transmitters

34082514, 340310A, H04Q 100

Patent

active

051988100

ABSTRACT:
A data telemetering system includes a plurality of remote transmitter units connected via an alternating current power supply mains to a central receiver. Each cycle of the line voltage is divided into a plurality of time slots, and each transmitter transmits its data in a separate time slot assigned to it. The data is binary multi-bit digital data, and one bit is transmitted by each transmitter in its assigned time slot during each cycle of the line voltage.

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patent: 4031528 (1977-06-01), Harrison
patent: 4097692 (1978-06-01), Felix
patent: 4577333 (1986-03-01), Lewis et al.
patent: 4642637 (1987-02-01), Baer
patent: 4809296 (1989-02-01), Braun et al.
patent: 4845466 (1989-07-01), Hariton et al.

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