GB2481291B - Combiner filter apparatus - Google Patents

Combiner filter apparatus

Info

Publication number
GB2481291B
GB2481291B GB1109749.0A GB201109749A GB2481291B GB 2481291 B GB2481291 B GB 2481291B GB 201109749 A GB201109749 A GB 201109749A GB 2481291 B GB2481291 B GB 2481291B
Authority
GB
United Kingdom
Prior art keywords
filter apparatus
combiner filter
combiner
filter
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.)
Active
Application number
GB1109749.0A
Other versions
GB201109749D0 (en
GB2481291A (en
Inventor
Martin John Gostling
Elizabeth Francis Phillips
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.)
Radio Design Ltd
Original Assignee
Radio Design 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 Radio Design Ltd filed Critical Radio Design Ltd
Publication of GB201109749D0 publication Critical patent/GB201109749D0/en
Publication of GB2481291A publication Critical patent/GB2481291A/en
Application granted granted Critical
Publication of GB2481291B publication Critical patent/GB2481291B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/46—Networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • H03H7/461—Networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source particularly adapted for use in common antenna systems
    • 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
    • H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
GB1109749.0A 2010-06-14 2011-06-10 Combiner filter apparatus Active GB2481291B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB1009846.5A GB201009846D0 (en) 2010-06-14 2010-06-14 Combiner

Publications (3)

Publication Number Publication Date
GB201109749D0 GB201109749D0 (en) 2011-07-27
GB2481291A GB2481291A (en) 2011-12-21
GB2481291B true GB2481291B (en) 2016-03-30

Family

ID=42471547

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB1009846.5A Ceased GB201009846D0 (en) 2010-06-14 2010-06-14 Combiner
GB1109749.0A Active GB2481291B (en) 2010-06-14 2011-06-10 Combiner filter apparatus

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB1009846.5A Ceased GB201009846D0 (en) 2010-06-14 2010-06-14 Combiner

Country Status (1)

Country Link
GB (2) GB201009846D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201608991D0 (en) * 2016-05-23 2016-07-06 Radio Design Ltd Mult-band filter apparatus and method of use thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6115592A (en) * 1995-08-24 2000-09-05 Fujitsu Limited Filter device and dual-band radio system in which the filter device is used
US6658263B1 (en) * 1999-12-21 2003-12-02 Lucent Technologies Inc. Wireless system combining arrangement and method thereof
US6795714B1 (en) * 1998-09-17 2004-09-21 Siemens Aktiengesellschaft Multiband antenna switcher
US20050136875A1 (en) * 2003-12-20 2005-06-23 Ulf Skarby Transceiver system including multiple radio base stations that share an antenna
WO2006121402A1 (en) * 2005-05-11 2006-11-16 Telefonaktiebolaget L M Ericsson (Publ) A filter combiner
US20070030095A1 (en) * 2005-08-05 2007-02-08 Mitsutaka Hikita Antenna duplexer and wireless terminal using the same
US20110051628A1 (en) * 2009-09-02 2011-03-03 Cohen Allen S Broadband combining system with high spectrum efficiency for use in wireless communications

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6115592A (en) * 1995-08-24 2000-09-05 Fujitsu Limited Filter device and dual-band radio system in which the filter device is used
US6795714B1 (en) * 1998-09-17 2004-09-21 Siemens Aktiengesellschaft Multiband antenna switcher
US6658263B1 (en) * 1999-12-21 2003-12-02 Lucent Technologies Inc. Wireless system combining arrangement and method thereof
US20050136875A1 (en) * 2003-12-20 2005-06-23 Ulf Skarby Transceiver system including multiple radio base stations that share an antenna
WO2006121402A1 (en) * 2005-05-11 2006-11-16 Telefonaktiebolaget L M Ericsson (Publ) A filter combiner
US20070030095A1 (en) * 2005-08-05 2007-02-08 Mitsutaka Hikita Antenna duplexer and wireless terminal using the same
US20110051628A1 (en) * 2009-09-02 2011-03-03 Cohen Allen S Broadband combining system with high spectrum efficiency for use in wireless communications

Also Published As

Publication number Publication date
GB201109749D0 (en) 2011-07-27
GB201009846D0 (en) 2010-07-21
GB2481291A (en) 2011-12-21

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