FI81927C - Antenn för radiotelefon - Google Patents

Antenn för radiotelefon Download PDF

Info

Publication number
FI81927C
FI81927C FI884945A FI884945A FI81927C FI 81927 C FI81927 C FI 81927C FI 884945 A FI884945 A FI 884945A FI 884945 A FI884945 A FI 884945A FI 81927 C FI81927 C FI 81927C
Authority
FI
Finland
Prior art keywords
antenna
radio telephone
radio
adaptation
telephone
Prior art date
Application number
FI884945A
Other languages
English (en)
Finnish (fi)
Other versions
FI884945A0 (fi
FI81927B (fi
FI884945A (fi
Inventor
Timo Saarnimo
Original Assignee
Nokia Mobira Oy
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 Nokia Mobira Oy filed Critical Nokia Mobira Oy
Priority to FI884945A priority Critical patent/FI81927C/sv
Publication of FI884945A0 publication Critical patent/FI884945A0/fi
Priority to EP19890310906 priority patent/EP0366393A3/en
Publication of FI884945A publication Critical patent/FI884945A/fi
Publication of FI81927B publication Critical patent/FI81927B/fi
Application granted granted Critical
Publication of FI81927C publication Critical patent/FI81927C/sv

Links

Classifications

    • 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
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephone Set Structure (AREA)
  • Support Of Aerials (AREA)

Claims (8)

1. Antenn för en radiotelefon, 6om innefattar moteatta, pä in-bördee avständ liggande, parallella akivor (21, 22), mollan vilka har fördelaktigt anordnate ett skikt av ieolerande material (23), varvid den företa akivan (21) är en elledande ekiva och den andra skivan (22) är en ieolerande akiva, vara andra, tili den första akivan motaatt liggande yta har belagta med ett kontinuer1igt metallakikt, aom fungerar aäaom en jordnivä, kännetecknad av att pä den andra akivana (22) yta, aom ligger motaatt den forata akivan (21), har anordnate en anpaaaningakreta (S) aälunda, att den anpaaaar antennimpedan-aen tili antennedledmngaimpedaneen .
2. Antenn för radiotelefon enligt patentkravet 1, kännetecknad av att anpaaeningakreteen (S) har analutita tili den forata, elledande akivan (21) via en bandlednmg (24).
3. Antenn för radiotelefon enligt patentkravet 1, kännetecknad av att anpaaeningakreteen (5) har utförte med separata komponenter.
4. Antenn för radiotelefon enligt patentkravet 1, kännetecknad av att anpaaeningakreteen (S) är tvä- eller flergradig.
5. Antenn för radiotelefon enligt patentkravet 1, kännetecknad av att pä den andra akivan (22) har anordnate ett an-elutningedon för antennanelutning tili antennedledningen.
6. Antenn för radiotelefon enligt patentkravet 1, kännetecknad av att den andra akivan (22) ar ett kretekoit av glaefi-ber. l 7 81927
7. Antenn för radiotelefon enligt patentkravet 1, kanneteck-nad av att antennen har integrerats l k&pan för radiotelefo-nen . Θ, Antenn för radiotelefon enligt patentkravet 7, känneteck-nad av att anpaeeningekreteen <S) iigger pä ett kretekort för radiodelen i radιote 1efonen.
FI884945A 1988-10-26 1988-10-26 Antenn för radiotelefon FI81927C (sv)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI884945A FI81927C (sv) 1988-10-26 1988-10-26 Antenn för radiotelefon
EP19890310906 EP0366393A3 (en) 1988-10-26 1989-10-23 Antenna for radio telephone

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI884945 1988-10-26
FI884945A FI81927C (sv) 1988-10-26 1988-10-26 Antenn för radiotelefon

Publications (4)

Publication Number Publication Date
FI884945A0 FI884945A0 (fi) 1988-10-26
FI884945A FI884945A (fi) 1990-04-27
FI81927B FI81927B (fi) 1990-08-31
FI81927C true FI81927C (sv) 1990-12-10

Family

ID=8527262

Family Applications (1)

Application Number Title Priority Date Filing Date
FI884945A FI81927C (sv) 1988-10-26 1988-10-26 Antenn för radiotelefon

Country Status (2)

Country Link
EP (1) EP0366393A3 (sv)
FI (1) FI81927C (sv)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2705392B2 (ja) * 1991-09-04 1998-01-28 日本電気株式会社 携帯無線機
US5355142A (en) * 1991-10-15 1994-10-11 Ball Corporation Microstrip antenna structure suitable for use in mobile radio communications and method for making same
DE4302905C1 (de) * 1993-02-02 1994-03-17 Kathrein Werke Kg Richtantenne, insbesondere Dipolantenne
DE69422327T2 (de) * 1993-04-23 2000-07-27 Murata Manufacturing Co Oberflächenmontierbare Antenneneinheit
DE69409447T2 (de) * 1993-07-30 1998-11-05 Matsushita Electric Ind Co Ltd Antenne für Mobilfunk
GB2281661A (en) * 1993-09-07 1995-03-08 Motorola Inc Patch antenna having integral probe and methods for constuction thereof
US5969680A (en) * 1994-10-11 1999-10-19 Murata Manufacturing Co., Ltd. Antenna device having a radiating portion provided between a wiring substrate and a case
FI974316A (sv) * 1997-11-25 1999-05-26 Lk Products Oy Antennkonstruktion

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4431998A (en) * 1980-05-13 1984-02-14 Harris Corporation Circularly polarized hemispheric coverage flush antenna
US4320402A (en) * 1980-07-07 1982-03-16 General Dynamics Corp./Electronics Division Multiple ring microstrip antenna
FR2498819B1 (fr) * 1981-01-23 1985-05-31 Thomson Csf Antenne de petite dimension
US4660048A (en) * 1984-12-18 1987-04-21 Texas Instruments Incorporated Microstrip patch antenna system
US4724443A (en) * 1985-10-31 1988-02-09 X-Cyte, Inc. Patch antenna with a strip line feed element
GB8805063D0 (en) * 1988-03-03 1988-03-30 Shaye Communications Ltd Aerials

Also Published As

Publication number Publication date
FI884945A0 (fi) 1988-10-26
EP0366393A3 (en) 1991-05-29
EP0366393A2 (en) 1990-05-02
FI81927B (fi) 1990-08-31
FI884945A (fi) 1990-04-27

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: NOKIA-MOBIRA OY