Distribution network communication system having branch connecte

Details Distribution network communication system having branch connecte Distribution network communication system having branch connecte

1978-10-31

1981-02-10

Yusko, Donald J.

Communications: electrical

Digital comparator systems

340151, 340310A, H04Q 900, H04M 1104

Patent

active

042504899

ABSTRACT:
Bidirectional addressable repeaters of a power line carrier communication system each include an address recognition and a receive and transmit control logic circuit having programmable zone and address identifying states for connection in plural repeating levels defining branch paths linking a central control terminal with multiple remote terminals via a distribution line network. Each repeater retransmits an interrogation message, provides its own repeater address modification, and remains in a response-wait status. The alerted repeaters define the predetermined route of branch paths for being sequentially activated by a response message. Simplified repeater response address formats are used and each repeater modified its address data upon response message retransmission. The desired sequentially occurring repeating transmissions are assured upon retransmission of both the interrogation and response messages.

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patent: 4130874 (1978-12-01), Pai
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