TW374268B - Radiotelephones with antenna matching switching system configurations - Google Patents
Radiotelephones with antenna matching switching system configurationsInfo
- Publication number
- TW374268B TW374268B TW087107020A TW87107020A TW374268B TW 374268 B TW374268 B TW 374268B TW 087107020 A TW087107020 A TW 087107020A TW 87107020 A TW87107020 A TW 87107020A TW 374268 B TW374268 B TW 374268B
- Authority
- TW
- Taiwan
- Prior art keywords
- switching system
- radiotelephones
- radiotelephone
- matching switching
- system configurations
- Prior art date
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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
- H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
- H01Q11/08—Helical antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
- H01Q9/32—Vertical arrangement of element
- H01Q9/36—Vertical arrangement of element with top loading
Landscapes
- Support Of Aerials (AREA)
- Details Of Aerials (AREA)
- Transceivers (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/858,982 US5969683A (en) | 1997-05-20 | 1997-05-20 | Radiotelephones with antenna matching switching system configurations |
Publications (1)
Publication Number | Publication Date |
---|---|
TW374268B true TW374268B (en) | 1999-11-11 |
Family
ID=25329675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW087107020A TW374268B (en) | 1997-05-20 | 1998-05-06 | Radiotelephones with antenna matching switching system configurations |
Country Status (5)
Country | Link |
---|---|
US (1) | US5969683A (zh) |
JP (1) | JP2002500834A (zh) |
AU (1) | AU7580898A (zh) |
TW (1) | TW374268B (zh) |
WO (1) | WO1998053523A1 (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19723331B4 (de) * | 1997-06-04 | 2010-11-11 | Ipcom Gmbh & Co. Kg | Funkgerät |
JP3629176B2 (ja) * | 2000-02-09 | 2005-03-16 | 株式会社東芝 | 携帯無線端末 |
US20050096081A1 (en) * | 2003-10-31 | 2005-05-05 | Black Gregory R. | Tunable ground return impedance for a wireless communication device |
US6980160B2 (en) * | 2004-03-02 | 2005-12-27 | Motorola, Inc. | Antenna structure with integral impedance switch mechanism |
US7190311B2 (en) * | 2004-07-06 | 2007-03-13 | Motorola, Inc. | Alignment cam for non-circular retractable antenna |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01105237U (zh) * | 1987-12-28 | 1989-07-14 | ||
US5030966A (en) * | 1989-08-02 | 1991-07-09 | At&T Bell Laboratories | Antenna for a portable transceiver |
JP2554762B2 (ja) * | 1990-02-23 | 1996-11-13 | 株式会社東芝 | アンテナと無線機 |
US5670968A (en) * | 1990-04-04 | 1997-09-23 | Matsushita Electric Industrial Co., Ltd. | Retractable flexible transmit/receive antenna which operates in a collapsed and extended position |
JP2703670B2 (ja) * | 1991-04-12 | 1998-01-26 | 三菱電機株式会社 | アンテナ装置 |
EP0522806B1 (en) * | 1991-07-08 | 1996-11-20 | Nippon Telegraph And Telephone Corporation | Retractable antenna system |
US5467096A (en) * | 1993-02-25 | 1995-11-14 | Nec Corporation | Antenna for a radio communication apparatus |
JPH07235819A (ja) * | 1994-02-24 | 1995-09-05 | Fujitsu Ltd | 無線機用アンテナ装置 |
GB2296603B (en) * | 1994-12-23 | 1999-02-17 | Nokia Mobile Phones Ltd | Retractable top load antenna |
US5812093A (en) * | 1995-09-29 | 1998-09-22 | Motorola, Inc. | Antenna assembly for a wireless-communication device |
JP2692670B2 (ja) * | 1995-12-28 | 1997-12-17 | 日本電気株式会社 | 携帯無線機用アンテナ |
US5831579A (en) * | 1997-04-15 | 1998-11-03 | Ericsson, Inc. | Latch mechanism for mobile communication devices |
-
1997
- 1997-05-20 US US08/858,982 patent/US5969683A/en not_active Expired - Lifetime
-
1998
- 1998-05-06 TW TW087107020A patent/TW374268B/zh active
- 1998-05-20 AU AU75808/98A patent/AU7580898A/en not_active Abandoned
- 1998-05-20 WO PCT/US1998/010262 patent/WO1998053523A1/en active Application Filing
- 1998-05-20 JP JP55054498A patent/JP2002500834A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JP2002500834A (ja) | 2002-01-08 |
US5969683A (en) | 1999-10-19 |
WO1998053523A1 (en) | 1998-11-26 |
AU7580898A (en) | 1998-12-11 |
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