GB2277649B - RF antenna switch and method of operating the same - Google Patents

RF antenna switch and method of operating the same

Info

Publication number
GB2277649B
GB2277649B GB9413972A GB9413972A GB2277649B GB 2277649 B GB2277649 B GB 2277649B GB 9413972 A GB9413972 A GB 9413972A GB 9413972 A GB9413972 A GB 9413972A GB 2277649 B GB2277649 B GB 2277649B
Authority
GB
United Kingdom
Prior art keywords
operating
same
antenna switch
antenna
switch
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
GB9413972A
Other versions
GB9413972D0 (en
GB2277649A (en
Inventor
Louis Jay Vannatta
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Priority claimed from PCT/US1993/011494 external-priority patent/WO1994015408A1/en
Publication of GB9413972D0 publication Critical patent/GB9413972D0/en
Publication of GB2277649A publication Critical patent/GB2277649A/en
Application granted granted Critical
Publication of GB2277649B publication Critical patent/GB2277649B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
    • H04B7/0817—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with multiple receivers and antenna path selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
    • H04B7/0817—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with multiple receivers and antenna path selection
    • H04B7/082—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with multiple receivers and antenna path selection selecting best antenna path
GB9413972A 1992-12-22 1993-11-26 RF antenna switch and method of operating the same Expired - Fee Related GB2277649B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US99727592A 1992-12-22 1992-12-22
PCT/US1993/011494 WO1994015408A1 (en) 1992-12-22 1993-11-26 Rf antenna switch and method of operating the same

Publications (3)

Publication Number Publication Date
GB9413972D0 GB9413972D0 (en) 1994-08-31
GB2277649A GB2277649A (en) 1994-11-02
GB2277649B true GB2277649B (en) 1997-04-02

Family

ID=26787137

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9413972A Expired - Fee Related GB2277649B (en) 1992-12-22 1993-11-26 RF antenna switch and method of operating the same

Country Status (1)

Country Link
GB (1) GB2277649B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2327572B (en) * 1997-07-22 1999-06-02 Matsushita Communication Ind Telephone with multiple antenna configuration

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4418428A (en) * 1982-03-30 1983-11-29 Rca Corporation Tuning system for a multi-band television receiver
US4596045A (en) * 1983-05-19 1986-06-17 Deutsche Thomson-Brandt Gmbh Input circuit for television receiver
US4914714A (en) * 1986-08-30 1990-04-03 Nec Corporation Portable radio communication apparatus having diversity reception function
US5003620A (en) * 1988-08-09 1991-03-26 Nec Corporation Tuner circuit and receiving band change-over circuit with a push-pull amplifier

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4418428A (en) * 1982-03-30 1983-11-29 Rca Corporation Tuning system for a multi-band television receiver
US4596045A (en) * 1983-05-19 1986-06-17 Deutsche Thomson-Brandt Gmbh Input circuit for television receiver
US4914714A (en) * 1986-08-30 1990-04-03 Nec Corporation Portable radio communication apparatus having diversity reception function
US5003620A (en) * 1988-08-09 1991-03-26 Nec Corporation Tuner circuit and receiving band change-over circuit with a push-pull amplifier

Also Published As

Publication number Publication date
GB9413972D0 (en) 1994-08-31
GB2277649A (en) 1994-11-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20081126