GB2231739B - Switching apparatus - Google Patents

Switching apparatus

Info

Publication number
GB2231739B
GB2231739B GB8910936A GB8910936A GB2231739B GB 2231739 B GB2231739 B GB 2231739B GB 8910936 A GB8910936 A GB 8910936A GB 8910936 A GB8910936 A GB 8910936A GB 2231739 B GB2231739 B GB 2231739B
Authority
GB
United Kingdom
Prior art keywords
switching apparatus
switching
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 - Fee Related
Application number
GB8910936A
Other versions
GB8910936D0 (en
GB2231739A (en
Inventor
Brian Frederick Nicholson
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.)
BAE Systems Electronics Ltd
Original Assignee
GEC Marconi Ltd
Marconi 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 GEC Marconi Ltd, Marconi Co Ltd filed Critical GEC Marconi Ltd
Priority to GB8910936A priority Critical patent/GB2231739B/en
Publication of GB8910936D0 publication Critical patent/GB8910936D0/en
Publication of GB2231739A publication Critical patent/GB2231739A/en
Application granted granted Critical
Publication of GB2231739B publication Critical patent/GB2231739B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/10—Auxiliary devices for switching or interrupting
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/03—Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
    • G01S7/034—Duplexers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N60/00—Superconducting devices
    • H10N60/30—Devices switchable between superconducting and normal states
    • H10N60/35—Cryotrons

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Superconductor Devices And Manufacturing Methods Thereof (AREA)
GB8910936A 1989-05-12 1989-05-12 Switching apparatus Expired - Fee Related GB2231739B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8910936A GB2231739B (en) 1989-05-12 1989-05-12 Switching apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8910936A GB2231739B (en) 1989-05-12 1989-05-12 Switching apparatus

Publications (3)

Publication Number Publication Date
GB8910936D0 GB8910936D0 (en) 1989-11-08
GB2231739A GB2231739A (en) 1990-11-21
GB2231739B true GB2231739B (en) 1993-05-12

Family

ID=10656635

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8910936A Expired - Fee Related GB2231739B (en) 1989-05-12 1989-05-12 Switching apparatus

Country Status (1)

Country Link
GB (1) GB2231739B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2235828B (en) * 1989-09-01 1994-05-11 Marconi Gec Ltd Superconductive filter
WO2003056381A1 (en) * 2001-07-26 2003-07-10 Supertron Technologies, Inc. Superconductor optical switch
US20090322332A1 (en) * 2007-03-28 2009-12-31 Varian, Inc. NMR probe superconductive transmit/receive switches

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0074030A2 (en) * 1981-09-05 1983-03-16 BROWN, BOVERI & CIE Aktiengesellschaft Superconductive switch

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0074030A2 (en) * 1981-09-05 1983-03-16 BROWN, BOVERI & CIE Aktiengesellschaft Superconductive switch

Also Published As

Publication number Publication date
GB8910936D0 (en) 1989-11-08
GB2231739A (en) 1990-11-21

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20000512