U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Electric utility communication system with field installation terminal and load management terminal with remotely assignable unique address

Patent 4467314 Issued on August 21, 1984. Estimated Expiration Date: Icon_subject March 29, 2002. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3818481

3911415

Distribution network powerline carrier communication system
Patent #: 3942170
Issued on: 03/02/1976
Inventor: Whyte

Distribution network power line communication system including addressable interrogation and response repeater
Patent #: 3967264
Issued on: 06/29/1976
Inventor: Whyte ,   et al.

Load management terminal having plural selectable address formats for a power line communication system
Patent #: 4130874
Issued on: 12/19/1978
Inventor: Pai

Electrical load management system
Patent #: 4190800
Issued on: 02/26/1980
Inventor: Kelly, Jr. ,   et al.

Programmable energy load controller system and methods
Patent #: 4213182
Issued on: 07/15/1980
Inventor: Eichelberger ,   et al.

Communications system with repeater stations
Patent #: 4230989
Issued on: 10/28/1980
Inventor: Buehrle

System for controlling power distribution to customer loads
Patent #: 4264960
Issued on: 04/28/1981
Inventor: Gurr

Distribution automation system
Patent #: 4302750
Issued on: 11/24/1981
Inventor: Wadhwani ,   et al.

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Inventors

Assignee

Application

No. 06/363218 filed on 03/29/1982

US Classes:

700/295, Power allocation management (e.g., load adding/shedding)307/40, Code-controlled340/3.5, Including addressing340/514, Testing340/825.22, Program control340/870.02, With meter reading702/122Including specific communication means

Examiners

Primary: Groody, James J.
Assistant: Heim, Michael F.

Attorney, Agent or Firm

International Class

H04B 3/54 (20060101)

Abstract

A powerline carrier communications system includes a plurality of types of load management terminals, each of which has a unique address, and a combination field configuration and test terminal which can be plugged into the load management terminals. The combination terminal is coupled to the powerline through the connection to the load management terminal and generates a separate set of test commands for each type of load management terminal, which are transmitted over the powerline for execution by the connected load management terminal. Some types of load management terminals include an INITIALIZATION ENABLE line which, when activated by the connected combination terminal, commands the load management terminal to accept and store an address value received over the powerline as its new unique address.

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