CA923565A - Protection circuit arrangements - Google Patents

Protection circuit arrangements

Info

Publication number
CA923565A
CA923565A CA074335A CA74335A CA923565A CA 923565 A CA923565 A CA 923565A CA 074335 A CA074335 A CA 074335A CA 74335 A CA74335 A CA 74335A CA 923565 A CA923565 A CA 923565A
Authority
CA
Canada
Prior art keywords
protection circuit
circuit arrangements
arrangements
protection
circuit
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
CA074335A
Inventor
G. Toms Brian
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.)
Plessey Co Ltd
Original Assignee
Plessey Co 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 Plessey Co Ltd filed Critical Plessey Co Ltd
Application granted granted Critical
Publication of CA923565A publication Critical patent/CA923565A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/44—Transmit/receive switching
    • H04B1/48—Transmit/receive switching in circuits for connecting transmitter and receiver to a common transmission path, e.g. by energy of transmitter
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/20—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for electronic equipment

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Electronic Switches (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
CA074335A 1969-02-18 1970-02-09 Protection circuit arrangements Expired CA923565A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB886469A GB1269981A (en) 1969-02-18 1969-02-18 Improvements in or relating to protection circuit arrangements

Publications (1)

Publication Number Publication Date
CA923565A true CA923565A (en) 1973-03-27

Family

ID=9860732

Family Applications (1)

Application Number Title Priority Date Filing Date
CA074335A Expired CA923565A (en) 1969-02-18 1970-02-09 Protection circuit arrangements

Country Status (3)

Country Link
JP (1) JPS4922358B1 (en)
CA (1) CA923565A (en)
GB (1) GB1269981A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5422746A (en) * 1977-07-22 1979-02-20 Hitachi Ltd Antenna circuit
JPS6262521U (en) * 1985-10-09 1987-04-18

Also Published As

Publication number Publication date
GB1269981A (en) 1972-04-12
JPS4922358B1 (en) 1974-06-07

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