IN164328B - - Google Patents

Info

Publication number
IN164328B
IN164328B IN394/CAL/86A IN394CA1986A IN164328B IN 164328 B IN164328 B IN 164328B IN 394CA1986 A IN394CA1986 A IN 394CA1986A IN 164328 B IN164328 B IN 164328B
Authority
IN
India
Prior art keywords
impedance
vswr
circle
antenna
inductive
Prior art date
Application number
IN394/CAL/86A
Other languages
English (en)
Inventor
Helmut Funfgelder
Erwin Bassler
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of IN164328B publication Critical patent/IN164328B/en

Links

Classifications

    • 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
    • H03H7/40—Automatic matching of load impedance to source impedance

Landscapes

  • Transmitters (AREA)
  • Transceivers (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
IN394/CAL/86A 1985-07-03 1986-05-27 IN164328B (th)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3523823 1985-07-03

Publications (1)

Publication Number Publication Date
IN164328B true IN164328B (th) 1989-02-18

Family

ID=6274871

Family Applications (1)

Application Number Title Priority Date Filing Date
IN394/CAL/86A IN164328B (th) 1985-07-03 1986-05-27

Country Status (6)

Country Link
EP (1) EP0208984B1 (th)
AT (1) ATE53151T1 (th)
DE (1) DE3671586D1 (th)
IN (1) IN164328B (th)
NO (1) NO170377C (th)
ZA (1) ZA864917B (th)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2794987B2 (ja) * 1991-05-31 1998-09-10 日本電気株式会社 携帯無線装置
FI94807C (fi) * 1992-12-30 1995-10-25 Nokia Telecommunications Oy Menetelmä ja järjestely kompainerisuodattimen virittämiseksi
DE19644339C1 (de) * 1996-10-25 1998-06-10 Bosch Gmbh Robert Vorrichtung zur Transformation einer Antennenimpedanz
KR19980077560A (ko) * 1997-04-21 1998-11-16 장응순 하이임피던스형 고주파용 안테나
KR100285950B1 (ko) * 1997-12-26 2001-04-16 윤종용 인체의영향을최소화시키는휴대용전화기의안테나회로를구현하는방법
CN102439820B (zh) * 2010-05-03 2016-08-03 松下知识产权经营株式会社 发电装置、发电系统及无线电力传输装置
KR101176286B1 (ko) 2010-08-02 2012-08-22 엘지이노텍 주식회사 Ｓｗｒ 정보를 이용한 임피던스 매칭장치 및 방법
US9325355B2 (en) 2013-02-14 2016-04-26 Blackberry Limited Methods and apparatus for performing impedance matching
US9729190B2 (en) * 2014-01-17 2017-08-08 Qualcomm Incorporated Switchable antenna array

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3778731A (en) * 1972-06-05 1973-12-11 Cincinnati Electronics Corp Tuning method for t-network couplers
FR2205252A5 (th) * 1972-10-31 1974-05-24 Trt Telecom Radio Electr
GB1524965A (en) * 1974-10-15 1978-09-13 Cincinnati Electronics Corp Technique for automatic matching of high q-loads
US4201960A (en) * 1978-05-24 1980-05-06 Motorola, Inc. Method for automatically matching a radio frequency transmitter to an antenna

Also Published As

Publication number Publication date
EP0208984A1 (de) 1987-01-21
EP0208984B1 (de) 1990-05-23
NO862671L (no) 1987-01-05
NO170377C (no) 1992-10-07
NO170377B (no) 1992-06-29
NO862671D0 (no) 1986-07-02
ATE53151T1 (de) 1990-06-15
DE3671586D1 (de) 1990-06-28
ZA864917B (en) 1987-02-25

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