GB2271487B - Single antenna transmitter/receiver - Google Patents

Single antenna transmitter/receiver

Info

Publication number
GB2271487B
GB2271487B GB9319781A GB9319781A GB2271487B GB 2271487 B GB2271487 B GB 2271487B GB 9319781 A GB9319781 A GB 9319781A GB 9319781 A GB9319781 A GB 9319781A GB 2271487 B GB2271487 B GB 2271487B
Authority
GB
United Kingdom
Prior art keywords
receiver
single antenna
antenna transmitter
transmitter
antenna
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
GB9319781A
Other versions
GB2271487A (en
GB9319781D0 (en
Inventor
Chandra Patel
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.)
MAXON SYSTEMS Inc
Original Assignee
MAXON SYSTEMS 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
Priority claimed from GB929221254A external-priority patent/GB9221254D0/en
Application filed by MAXON SYSTEMS Inc filed Critical MAXON SYSTEMS Inc
Priority to GB9319781A priority Critical patent/GB2271487B/en
Publication of GB9319781D0 publication Critical patent/GB9319781D0/en
Publication of GB2271487A publication Critical patent/GB2271487A/en
Application granted granted Critical
Publication of GB2271487B publication Critical patent/GB2271487B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones
GB9319781A 1992-10-09 1993-09-24 Single antenna transmitter/receiver Expired - Fee Related GB2271487B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9319781A GB2271487B (en) 1992-10-09 1993-09-24 Single antenna transmitter/receiver

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB929221254A GB9221254D0 (en) 1992-10-09 1992-10-09 Single antenna transmitter/receiver
GB9319781A GB2271487B (en) 1992-10-09 1993-09-24 Single antenna transmitter/receiver

Publications (3)

Publication Number Publication Date
GB9319781D0 GB9319781D0 (en) 1993-11-10
GB2271487A GB2271487A (en) 1994-04-13
GB2271487B true GB2271487B (en) 1995-08-02

Family

ID=26301763

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9319781A Expired - Fee Related GB2271487B (en) 1992-10-09 1993-09-24 Single antenna transmitter/receiver

Country Status (1)

Country Link
GB (1) GB2271487B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI110556B (en) * 1995-11-06 2003-02-14 Filtronic Lk Oy Combined duplex filter and antenna solution
WO1998010483A1 (en) * 1996-09-04 1998-03-12 Siemens Aktiengesellschaft Dual-mode antenna for a mobile radio telephone
JP3972810B2 (en) 2002-12-18 2007-09-05 株式会社村田製作所 Duplexer and communication device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2184920A (en) * 1985-12-20 1987-07-01 Racal Res Ltd Cordless telephones
US4725845A (en) * 1986-03-03 1988-02-16 Motorola, Inc. Retractable helical antenna
US4894663A (en) * 1987-11-16 1990-01-16 Motorola, Inc. Ultra thin radio housing with integral antenna
GB2240906A (en) * 1990-02-08 1991-08-14 Technophone Ltd Radio transceiver filtering arrangement

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2184920A (en) * 1985-12-20 1987-07-01 Racal Res Ltd Cordless telephones
US4725845A (en) * 1986-03-03 1988-02-16 Motorola, Inc. Retractable helical antenna
US4894663A (en) * 1987-11-16 1990-01-16 Motorola, Inc. Ultra thin radio housing with integral antenna
GB2240906A (en) * 1990-02-08 1991-08-14 Technophone Ltd Radio transceiver filtering arrangement

Also Published As

Publication number Publication date
GB2271487A (en) 1994-04-13
GB9319781D0 (en) 1993-11-10

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Legal Events

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

Effective date: 19980924