GB1279795A - Apparatus for transferring intelligence between two voltage levels - Google Patents

Apparatus for transferring intelligence between two voltage levels

Info

Publication number
GB1279795A
GB1279795A GB0889/71A GB188971A GB1279795A GB 1279795 A GB1279795 A GB 1279795A GB 0889/71 A GB0889/71 A GB 0889/71A GB 188971 A GB188971 A GB 188971A GB 1279795 A GB1279795 A GB 1279795A
Authority
GB
United Kingdom
Prior art keywords
current
oscillators
line
terminals
transformer
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
GB0889/71A
Other languages
English (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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of GB1279795A publication Critical patent/GB1279795A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0061—Details of emergency protective circuit arrangements concerning transmission of signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Measurement Of Current Or Voltage (AREA)
GB0889/71A 1970-02-06 1971-01-14 Apparatus for transferring intelligence between two voltage levels Expired GB1279795A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US937170A 1970-02-06 1970-02-06

Publications (1)

Publication Number Publication Date
GB1279795A true GB1279795A (en) 1972-06-28

Family

ID=21737248

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0889/71A Expired GB1279795A (en) 1970-02-06 1971-01-14 Apparatus for transferring intelligence between two voltage levels

Country Status (5)

Country Link
US (1) US3654483A (enExample)
DE (1) DE2105183A1 (enExample)
ES (1) ES387720A1 (enExample)
FR (1) FR2079299B1 (enExample)
GB (1) GB1279795A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE788890A (fr) * 1971-09-16 1973-01-02 Siemens Ag Dispositif d'alimentation pour circuits electroniques

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1547242A (en) * 1924-04-29 1925-07-28 American Telephone & Telegraph Carrier transmission over power circuits
US2116600A (en) * 1935-04-25 1938-05-10 Bell Telephone Labor Inc Electrical transmission control
US2341519A (en) * 1941-10-31 1944-02-15 John F Atkinson Portable hot line carrier current coupling device
FR1445886A (fr) * 1965-08-13 1966-07-15 Siemens Ag Dispositif de mesure de tensions et de courants dans des installations à haute tensi utilisant des diviseurs de tension capacitifs
US3419792A (en) * 1966-02-01 1968-12-31 Ohio Crankshaft Co Device for controlling the power factor in the output circuit of a generator

Also Published As

Publication number Publication date
FR2079299B1 (enExample) 1975-04-18
FR2079299A1 (enExample) 1971-11-12
DE2105183A1 (de) 1971-08-19
ES387720A1 (es) 1973-05-01
US3654483A (en) 1972-04-04

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees