EP0470797A3 - Antenna apparatus - Google Patents

Antenna apparatus Download PDF

Info

Publication number
EP0470797A3
EP0470797A3 EP19910307187 EP91307187A EP0470797A3 EP 0470797 A3 EP0470797 A3 EP 0470797A3 EP 19910307187 EP19910307187 EP 19910307187 EP 91307187 A EP91307187 A EP 91307187A EP 0470797 A3 EP0470797 A3 EP 0470797A3
Authority
EP
European Patent Office
Prior art keywords
antenna apparatus
antenna
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Withdrawn
Application number
EP19910307187
Other versions
EP0470797A2 (en
Inventor
Hiroshi Haruki
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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
Priority claimed from JP2212896A external-priority patent/JPH0495402A/en
Priority claimed from JP2212898A external-priority patent/JPH0495403A/en
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of EP0470797A2 publication Critical patent/EP0470797A2/en
Publication of EP0470797A3 publication Critical patent/EP0470797A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • 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
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
    • H01Q5/321—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors within a radiating element or between connected radiating elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Support Of Aerials (AREA)
EP19910307187 1990-08-10 1991-08-05 Antenna apparatus Withdrawn EP0470797A3 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP212898/90 1990-08-10
JP2212896A JPH0495402A (en) 1990-08-10 1990-08-10 Antenna system
JP212896/90 1990-08-10
JP2212898A JPH0495403A (en) 1990-08-10 1990-08-10 Antenna system

Publications (2)

Publication Number Publication Date
EP0470797A2 EP0470797A2 (en) 1992-02-12
EP0470797A3 true EP0470797A3 (en) 1992-05-13

Family

ID=26519484

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910307187 Withdrawn EP0470797A3 (en) 1990-08-10 1991-08-05 Antenna apparatus

Country Status (1)

Country Link
EP (1) EP0470797A3 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4121333A1 (en) * 1991-06-25 1993-01-14 Hagenuk Telecom Gmbh FILM ANTENNA
US5555459A (en) * 1992-03-27 1996-09-10 Norand Corporation Antenna means for hand-held data terminals
GB2306056B (en) * 1995-10-06 1999-12-08 Nokia Mobile Phones Ltd Antenna
US6163300A (en) * 1997-08-07 2000-12-19 Tokin Corporation Multi-band antenna suitable for use in a mobile radio device
DE60101378T2 (en) 2000-03-15 2004-10-14 Asulab S.A. ANTENNA FOR MULTIPLE FREQUENCIES FOR SMALL INSTRUMENTS
EP2080247A4 (en) * 2006-10-02 2009-12-23 Airgain Inc Compact multi-element antenna with phase shift
CN101098040B (en) * 2007-05-29 2011-07-06 东南大学 Plane turning RF pocket-sized invisible antenna
FR2926420A1 (en) * 2008-01-15 2009-07-17 Purple Labs Soc Par Actions Si Mobile device e.g. slider telephone, has antennas comprising inductor connected between frequency modulation radio receiver and radiating element, where inductor and radiating element are arranged on printed circuit board
FI125655B (en) 2010-06-08 2015-12-31 Cojot Oy combination Antenna

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2229865A (en) * 1938-07-25 1941-01-28 Transcontinental & Western Air Radio antenna system
DE3306054A1 (en) * 1983-02-22 1984-08-23 Meier Meßtechnik, 3400 Göttingen Foil antenna
US4675687A (en) * 1986-01-22 1987-06-23 General Motors Corporation AM-FM cellular telephone multiband antenna for motor vehicle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2229865A (en) * 1938-07-25 1941-01-28 Transcontinental & Western Air Radio antenna system
DE3306054A1 (en) * 1983-02-22 1984-08-23 Meier Meßtechnik, 3400 Göttingen Foil antenna
US4675687A (en) * 1986-01-22 1987-06-23 General Motors Corporation AM-FM cellular telephone multiband antenna for motor vehicle

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY vol. 39, no. 2, May 1990, NEW YORK, US pages 150 - 160; KUBOYAMA, H. ET AL.: 'Experimental Results with Mobile Antennas Having Cross-Polarization Components in Urban and Rural Areas' *

Also Published As

Publication number Publication date
EP0470797A2 (en) 1992-02-12

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