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DE69422022D1 - Antenna unit - Google Patents

Antenna unit

Info

Publication number
DE69422022D1
DE69422022D1 DE69422022T DE69422022T DE69422022D1 DE 69422022 D1 DE69422022 D1 DE 69422022D1 DE 69422022 T DE69422022 T DE 69422022T DE 69422022 T DE69422022 T DE 69422022T DE 69422022 D1 DE69422022 D1 DE 69422022D1
Authority
DE
Germany
Prior art keywords
antenna unit
antenna
unit
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 - Lifetime
Application number
DE69422022T
Other languages
German (de)
Other versions
DE69422022T2 (en
Inventor
Teruhisa Tsuru
Harufumi Mandai
Toshifumi Oida
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
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 Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Application granted granted Critical
Publication of DE69422022D1 publication Critical patent/DE69422022D1/en
Publication of DE69422022T2 publication Critical patent/DE69422022T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H01Q9/0421—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with a shorting wall or a shorting pin at one end of the element
    • 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
    • H01Q9/42—Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength
DE1994622022 1994-05-10 1994-05-10 Antenna unit Expired - Lifetime DE69422022T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19940107314 EP0684661B1 (en) 1994-05-10 1994-05-10 Antenna unit

Publications (2)

Publication Number Publication Date
DE69422022D1 true DE69422022D1 (en) 2000-01-13
DE69422022T2 DE69422022T2 (en) 2000-08-03

Family

ID=8215934

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1994622022 Expired - Lifetime DE69422022T2 (en) 1994-05-10 1994-05-10 Antenna unit

Country Status (2)

Country Link
EP (1) EP0684661B1 (en)
DE (1) DE69422022T2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3030360B2 (en) * 1995-12-01 2000-04-10 日本電気株式会社 Flat antenna for portable radio
DE19857191A1 (en) 1998-12-11 2000-07-06 Bosch Gmbh Robert Half loop antenna
DE10045634B4 (en) * 2000-09-15 2005-08-25 Hella Kgaa Hueck & Co. Resonant antenna for a control device for a motor vehicle and its use
JP2005159837A (en) * 2003-11-27 2005-06-16 Alps Electric Co Ltd Antenna device
JP2005159944A (en) * 2003-11-28 2005-06-16 Alps Electric Co Ltd Antenna device
CN108011179B (en) * 2017-11-24 2021-01-26 深圳市盛路物联通讯技术有限公司 Chip antenna and electronic equipment applying same
CN108777362B (en) * 2018-06-05 2021-01-19 成都电科星天科技有限公司 Metal-resistant high-gain circularly polarized satellite receiving antenna

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2360216A1 (en) * 1973-12-03 1975-06-12 Kathrein Werke Kg L-shaped bracket antenna for motor vehicle roof - has tuning screw through shorter arm acting on elastic metal strip between longer arm and base
FR2553586B1 (en) * 1983-10-13 1986-04-11 Applic Rech Electronique AUTOMATIC HALF-LOOP HALF-LOOP ANTENNA
JPS61210707A (en) * 1985-03-14 1986-09-18 Mitsubishi Electric Corp Antenna system
JPS62262502A (en) * 1986-05-09 1987-11-14 Yuniden Kk Antenna for radio communication equipment
JPH03228407A (en) * 1989-12-11 1991-10-09 Nec Corp Antenna and portable radio equipment using antenna concerned

Also Published As

Publication number Publication date
DE69422022T2 (en) 2000-08-03
EP0684661B1 (en) 1999-12-08
EP0684661A1 (en) 1995-11-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition