GB2397950B - Diplexer - Google Patents

Diplexer

Info

Publication number
GB2397950B
GB2397950B GB0409334A GB0409334A GB2397950B GB 2397950 B GB2397950 B GB 2397950B GB 0409334 A GB0409334 A GB 0409334A GB 0409334 A GB0409334 A GB 0409334A GB 2397950 B GB2397950 B GB 2397950B
Authority
GB
United Kingdom
Prior art keywords
diplexer
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
GB0409334A
Other versions
GB2397950A (en
GB0409334D0 (en
Inventor
Matthew Pike
Barry George Morton Helme
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.)
Quasar Microwave Technology Ltd
Andrew Ltd
Original Assignee
Quasar Microwave Technology Ltd
Andrew 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 Quasar Microwave Technology Ltd, Andrew Ltd filed Critical Quasar Microwave Technology Ltd
Publication of GB0409334D0 publication Critical patent/GB0409334D0/en
Publication of GB2397950A publication Critical patent/GB2397950A/en
Application granted granted Critical
Publication of GB2397950B publication Critical patent/GB2397950B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/32—Non-reciprocal transmission devices
    • H01P1/38—Circulators
    • H01P1/383—Junction circulators, e.g. Y-circulators
    • H01P1/39—Hollow waveguide circulators

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
GB0409334A 2001-11-13 2002-11-11 Diplexer Expired - Fee Related GB2397950B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0127188A GB0127188D0 (en) 2001-11-13 2001-11-13 Diplexer
PCT/GB2002/005074 WO2003043120A1 (en) 2001-11-13 2002-11-11 Diplexer

Publications (3)

Publication Number Publication Date
GB0409334D0 GB0409334D0 (en) 2004-06-02
GB2397950A GB2397950A (en) 2004-08-04
GB2397950B true GB2397950B (en) 2005-06-15

Family

ID=9925660

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0127188A Ceased GB0127188D0 (en) 2001-11-13 2001-11-13 Diplexer
GB0409334A Expired - Fee Related GB2397950B (en) 2001-11-13 2002-11-11 Diplexer

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0127188A Ceased GB0127188D0 (en) 2001-11-13 2001-11-13 Diplexer

Country Status (2)

Country Link
GB (2) GB0127188D0 (en)
WO (1) WO2003043120A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115513626B (en) * 2022-11-03 2023-03-24 南京天朗防务科技有限公司 High-power annular filter

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB995204A (en) * 1963-02-22 1965-06-16 Ass Elect Ind Improvements in or relating to cw radar apparatus
US3761924A (en) * 1972-09-14 1973-09-25 Us Army Isolimiter
US5347241A (en) * 1993-02-08 1994-09-13 Hughes Aircraft Company Dual junction back-to-back microstrip four-port circulators
US5923647A (en) * 1996-09-06 1999-07-13 Ericsson Inc. Circulator usage in time division duplex radios
WO2002067361A1 (en) * 2001-02-21 2002-08-29 Saab Ab Microwave circulator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB995204A (en) * 1963-02-22 1965-06-16 Ass Elect Ind Improvements in or relating to cw radar apparatus
US3761924A (en) * 1972-09-14 1973-09-25 Us Army Isolimiter
US5347241A (en) * 1993-02-08 1994-09-13 Hughes Aircraft Company Dual junction back-to-back microstrip four-port circulators
US5923647A (en) * 1996-09-06 1999-07-13 Ericsson Inc. Circulator usage in time division duplex radios
WO2002067361A1 (en) * 2001-02-21 2002-08-29 Saab Ab Microwave circulator

Also Published As

Publication number Publication date
GB2397950A (en) 2004-08-04
WO2003043120A1 (en) 2003-05-22
GB0127188D0 (en) 2002-01-02
GB0409334D0 (en) 2004-06-02

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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: 20171111