Bogacki Anthony P. (Chester NH) Farnsworth Richard G. (York ME) Hardy Samuel G. (Durham NH) Robinson Paul B. (Durham NH) Stutt Charles A. (Rexford NY)
출원인 / 주소
General Electric Company (Somersworth NH 02)
인용정보
피인용 횟수 :
131인용 특허 :
2
초록▼
An automatic meter reading and control system for communicating with remote terminal points includes a central station which selectively communicates with a transponder controller unit at each terminal point via a plurality of distribution units, each serving several transponder controller units. Th
An automatic meter reading and control system for communicating with remote terminal points includes a central station which selectively communicates with a transponder controller unit at each terminal point via a plurality of distribution units, each serving several transponder controller units. The distribution controller units are responsive to various commands issued by the central station to selectively route the commands to specified transponder controller units to direct the transponder controller units to selectively carry out a load control operation, a meter reading operation or transfer of previously stored meter data from the transponder units to the central station in accordance with functions specified by the various commands.
대표청구항▼
A remote automatic utility meter reading system for reading the measurement of commodities over a plurality of power lines comprising: (a ) a computer for transmitting commands of first, second, and third types and receiving measurement data, each of said commands having first and second address por
A remote automatic utility meter reading system for reading the measurement of commodities over a plurality of power lines comprising: (a ) a computer for transmitting commands of first, second, and third types and receiving measurement data, each of said commands having first and second address portions and a function code portion; (b) a plurality of individually addressable control units, each interconnecting said computer with an associated power line, each of said control units including, (1) address recognition means responsive to the contents of the first address portion of said commands to effect the transfer of those commands, including said first and second address and function code portions, from said computer to that control unit\s associated power line which contains an address recognized by said address recognition means. (2) a receiver section responsive to the contents of the function code portion of a command of said second type to enable said receiver section to simultaneously receive coded signals representative of said measurement data, said receiver section including, (i) a plurality of receivers, each including means for receiving and storing coded signals of a different frequency, and (ii) means for transferring the stored coded signals from said control unit to said computer; and (c) a plurality of transponder units coupled to the power line of each control unit, the transponder units on each power line forming a group capable of recognizing an address unique to each group and the transponder units in each group operable to be simultaneously responsive to a command received from their respectively coupled control unit to effect the transmission of coded signals over their respective power line at a different frequency forming one frequency of a specified range of frequencies assigned to each group of transponder units, each transponder unit including, (1) a meter including an encoder, said encoder generating data signals representative of a commodity reading measured by said meter, (2) a plurality of function code identifiable storage means, (3) a plurality of load control means for controlling a load associated respectively therewith, and (4) decode means responsive to the commands transmitted by said computer to effect the carrying out of functions in said transponder unit as specified by the function code portion of said commands when said decode means recognizes the address of said transponder unit\s associated control unit as specified by the contents of the first address portion and further recognizes an address assigned to each of the transponder units in a group as spEcified by the contents of the second address portion of said commands, said decode means, in response to a command of said first type, selectively effecting the storage of the signals representative of a commodity reading from said encoder, as said measurement data, into an identified one of said storage means as specified by the function code portion of the command of said first type, and in response to the contents of the function code portion of a command of said second type, effecting the transfer of the measurement data from a one of the storage means as identified by the function code portion of the command of said second type, the measurement data being simultaneously transferred from the addressed group of transponder units to said computer via that group\s associated control unit, and further in response to the contents of the function code portion of a command of said third type, selectively activating a one of said load control means to effect control of that load control means load as specified by the function code portion of the command of said third type whereby the selected loads of the addressed group of transponder units are simultaneously activated.
연구과제 타임라인
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이 특허에 인용된 특허 (2)
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