GB2087572B - Improvements in and relating to current sensing devices - Google Patents

Improvements in and relating to current sensing devices

Info

Publication number
GB2087572B
GB2087572B GB8125365A GB8125365A GB2087572B GB 2087572 B GB2087572 B GB 2087572B GB 8125365 A GB8125365 A GB 8125365A GB 8125365 A GB8125365 A GB 8125365A GB 2087572 B GB2087572 B GB 2087572B
Authority
GB
United Kingdom
Prior art keywords
relating
current sensing
sensing devices
devices
current
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB8125365A
Other versions
GB2087572A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GRANADA TV RENTAL Ltd
Original Assignee
GRANADA TV RENTAL Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GRANADA TV RENTAL Ltd filed Critical GRANADA TV RENTAL Ltd
Publication of GB2087572A publication Critical patent/GB2087572A/en
Application granted granted Critical
Publication of GB2087572B publication Critical patent/GB2087572B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
    • G07F15/003—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity for electricity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D4/00—Tariff metering apparatus
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
    • G01R11/56—Special tariff meters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/007—Adapted for special tariff measuring

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
GB8125365A 1980-08-20 1981-08-19 Improvements in and relating to current sensing devices Expired GB2087572B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8027097 1980-08-20

Publications (2)

Publication Number Publication Date
GB2087572A GB2087572A (en) 1982-05-26
GB2087572B true GB2087572B (en) 1984-03-21

Family

ID=10515564

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8125365A Expired GB2087572B (en) 1980-08-20 1981-08-19 Improvements in and relating to current sensing devices

Country Status (3)

Country Link
AU (1) AU546015B2 (en)
FR (1) FR2488998B1 (en)
GB (1) GB2087572B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8412277D0 (en) * 1984-05-14 1984-06-20 Gen Electric Co Plc Electricity metering equipment
BR9400084C1 (en) * 1994-01-12 1999-12-28 Pesquisas De En Eletrica Cepel Electric meter for billing electrical consumption from an electrical network.
GB2295681B (en) * 1994-12-03 2000-01-19 Siemens Measurements Ltd Improvements in or relating to electricity meters
GB2357155B (en) * 1999-12-10 2004-04-07 Schlumberger Ind Ltd Improvements for electricity meters

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2570821A (en) * 1948-02-24 1951-10-09 Kornberg Irving Coin-controlled television
US2757771A (en) * 1950-04-07 1956-08-07 Melvin H Borcherding Time limit mechanism
US2694163A (en) * 1951-03-16 1954-11-09 Joseph G Sola Voltage sensitive apparatus

Also Published As

Publication number Publication date
FR2488998B1 (en) 1986-02-28
FR2488998A1 (en) 1982-02-26
AU7438481A (en) 1982-02-25
AU546015B2 (en) 1985-08-08
GB2087572A (en) 1982-05-26

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee