GB9807629D0 - Antenna matching circuit for cordless telephone - Google Patents
Antenna matching circuit for cordless telephoneInfo
- Publication number
- GB9807629D0 GB9807629D0 GBGB9807629.2A GB9807629A GB9807629D0 GB 9807629 D0 GB9807629 D0 GB 9807629D0 GB 9807629 A GB9807629 A GB 9807629A GB 9807629 D0 GB9807629 D0 GB 9807629D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- matching circuit
- cordless telephone
- antenna matching
- antenna
- cordless
- 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.)
- Withdrawn
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
- H04B1/3827—Portable transceivers
- H04B1/3833—Hand-held transceivers
-
- 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
- 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
- H01Q1/243—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 with built-in 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
-
- 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
- H03H7/38—Impedance-matching networks
-
- 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
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Support Of Aerials (AREA)
- Details Of Aerials (AREA)
- Transceivers (AREA)
- Telephone Function (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970038070A KR19990015772A (en) | 1997-08-09 | 1997-08-09 | Antenna circuit with built-in matching circuit and its implementation method |
Publications (2)
Publication Number | Publication Date |
---|---|
GB9807629D0 true GB9807629D0 (en) | 1998-06-10 |
GB2328082A GB2328082A (en) | 1999-02-10 |
Family
ID=19517178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9807629A Withdrawn GB2328082A (en) | 1997-08-09 | 1998-04-09 | Antenna matching circuit for cordless telephone |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPH11145726A (en) |
KR (1) | KR19990015772A (en) |
CN (1) | CN1208261A (en) |
FR (1) | FR2767237A1 (en) |
GB (1) | GB2328082A (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2790600A1 (en) * | 1999-03-02 | 2000-09-08 | Pierre Piccaluga | Radio signal reception method, for broadcast or communications receiver, connecting inductor and series-parallel capacitor network in aerial circuit to form differential antenna |
KR100291670B1 (en) * | 1999-03-13 | 2001-05-15 | 권문구 | Stabilizing and controlling LD output wavelength using narrowband fiber coupler |
SE0104308D0 (en) * | 2001-12-19 | 2001-12-19 | Nikolai Roshchupkin | Antenna for mobile phone and other radio equipment |
KR100744281B1 (en) * | 2005-07-21 | 2007-07-30 | 삼성전자주식회사 | Antenna apparatus for portable terminal |
JP2008061109A (en) | 2006-09-01 | 2008-03-13 | Toshiba Corp | Electronic device and electric circuit |
GB2467325B (en) * | 2009-01-29 | 2014-07-23 | Microsoft Corp | Radio-antenna modules for connection to external matching circuits |
KR101118471B1 (en) * | 2009-09-30 | 2012-03-12 | 한국전기연구원 | Spiral Antenna and wireless power transmission device using spiral antenna |
US8811911B2 (en) | 2010-07-02 | 2014-08-19 | Htc Corporation | Radio-frequency processing device and method and related wireless communication device |
CN102664662A (en) * | 2012-04-27 | 2012-09-12 | 深圳光启创新技术有限公司 | Wireless mobile interconnect device with multi-antenna system |
KR102112529B1 (en) * | 2019-01-25 | 2020-05-19 | 주식회사 에이아이시스템 | Antenna for radio frequency identification reader, radio frequency identification reader system and radio frequency identification system comprising the same |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2213998B (en) * | 1987-12-23 | 1991-06-12 | Technophone Ltd | Antenna, connector and impedance matching network assembly |
GB2242573B (en) * | 1990-03-27 | 1994-08-31 | Technophone Ltd | Antenna assembly |
US5375256A (en) * | 1991-09-04 | 1994-12-20 | Nec Corporation | Broadband radio transceiver |
JP2570087B2 (en) * | 1993-03-24 | 1997-01-08 | 日本電気株式会社 | Portable radio |
EP0815613A1 (en) * | 1995-03-20 | 1998-01-07 | Minnesota Mining And Manufacturing Company | Dual frequency antenna with integral diplexer |
US5812093A (en) * | 1995-09-29 | 1998-09-22 | Motorola, Inc. | Antenna assembly for a wireless-communication device |
GB2306056B (en) * | 1995-10-06 | 1999-12-08 | Nokia Mobile Phones Ltd | Antenna |
US6396458B1 (en) * | 1996-08-09 | 2002-05-28 | Centurion Wireless Technologies, Inc. | Integrated matched antenna structures using printed circuit techniques |
-
1997
- 1997-08-09 KR KR1019970038070A patent/KR19990015772A/en not_active Application Discontinuation
-
1998
- 1998-04-09 GB GB9807629A patent/GB2328082A/en not_active Withdrawn
- 1998-04-09 CN CN98106385A patent/CN1208261A/en active Pending
- 1998-04-09 FR FR9804429A patent/FR2767237A1/en not_active Withdrawn
- 1998-08-06 JP JP10222876A patent/JPH11145726A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
GB2328082A (en) | 1999-02-10 |
KR19990015772A (en) | 1999-03-05 |
JPH11145726A (en) | 1999-05-28 |
FR2767237A1 (en) | 1999-02-12 |
CN1208261A (en) | 1999-02-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |