EP0651460A3 - Coaxial antenna. - Google Patents

Coaxial antenna. Download PDF

Info

Publication number
EP0651460A3
EP0651460A3 EP94116525A EP94116525A EP0651460A3 EP 0651460 A3 EP0651460 A3 EP 0651460A3 EP 94116525 A EP94116525 A EP 94116525A EP 94116525 A EP94116525 A EP 94116525A EP 0651460 A3 EP0651460 A3 EP 0651460A3
Authority
EP
European Patent Office
Prior art keywords
coaxial antenna
coaxial
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Withdrawn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
EP94116525A
Other languages
German (de)
French (fr)
Other versions
EP0651460A2 (en
Inventor
Bernd Ruemmeli
Olaf Mann
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.)
RR Elektronische Geraete GmbH and Co KG
Original Assignee
RR Elektronische Geraete GmbH and Co KG
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 RR Elektronische Geraete GmbH and Co KG filed Critical RR Elektronische Geraete GmbH and Co KG
Publication of EP0651460A2 publication Critical patent/EP0651460A2/en
Publication of EP0651460A3 publication Critical patent/EP0651460A3/en
Withdrawn legal-status Critical Current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
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/20—Two collinear substantially straight active elements; Substantially straight single active elements
    • H01Q9/22—Rigid rod or equivalent tubular element or elements
    • 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
    • H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
    • H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
    • H01Q5/364—Creating multiple current paths
    • H01Q5/371—Branching current paths
    • 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
EP94116525A 1993-10-27 1994-10-20 Coaxial antenna. Withdrawn EP0651460A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4336633A DE4336633A1 (en) 1993-10-27 1993-10-27 Coaxial antenna
DE4336633 1993-10-27

Publications (2)

Publication Number Publication Date
EP0651460A2 EP0651460A2 (en) 1995-05-03
EP0651460A3 true EP0651460A3 (en) 1995-11-08

Family

ID=6501128

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94116525A Withdrawn EP0651460A3 (en) 1993-10-27 1994-10-20 Coaxial antenna.

Country Status (4)

Country Link
US (1) US5926149A (en)
EP (1) EP0651460A3 (en)
DE (1) DE4336633A1 (en)
TR (1) TR28131A (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6977808B2 (en) * 1999-05-14 2005-12-20 Apple Computer, Inc. Display housing for computing device
US6357887B1 (en) 1999-05-14 2002-03-19 Apple Computers, Inc. Housing for a computing device
US6778845B2 (en) 1999-07-13 2004-08-17 Tx Rx Systems Inc. Antenna/coupler assembly for coaxial cable
US6259417B1 (en) * 1999-08-24 2001-07-10 Lucent Technologies Inc. Collinear antenna for portable radio and methods for making same
EP1290754B1 (en) * 2000-05-28 2003-12-03 Wilhelm Sihn jr. GmbH & Co. KG Antenna for automobiles and set of components for the same
DE10036591C2 (en) 2000-05-28 2003-04-10 Sihn Jr Kg Wilhelm Antenna for automobiles and component kit for one
GB0100716D0 (en) * 2001-01-11 2001-02-21 Sendo Int Ltd Apparatus for carrying a signal
DE60215391T2 (en) * 2001-06-15 2007-10-25 Apple Computer, Inc., Cupertino ACTIVE COMPUTER HOUSING
US7452098B2 (en) * 2001-06-15 2008-11-18 Apple Inc. Active enclosure for computing device
US7766517B2 (en) * 2001-06-15 2010-08-03 Apple Inc. Active enclosure for computing device
US6774855B2 (en) * 2002-06-24 2004-08-10 Centurion Wireless Technologies, Inc. Omni-directional antenna arrays and methods of making the same
GB2401248B (en) * 2003-04-30 2005-03-30 Motorola Inc Antenna for use in radio communications
JP4308786B2 (en) * 2005-02-24 2009-08-05 パナソニック株式会社 Portable radio
US7154445B2 (en) * 2005-04-06 2006-12-26 Cushcraft Corporation Omni-directional collinear antenna
US8723646B2 (en) * 2008-09-15 2014-05-13 International Business Machines Corporation Acoustic wave and radio frequency identification device and method
GB2546662B (en) * 2013-09-09 2018-02-21 Rtl Mat Ltd Antenna assembly and related methods
US20150109180A1 (en) * 2013-10-22 2015-04-23 Symbol Technologies, Inc. Extensible and reconfigurable antenna

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55165003A (en) * 1979-06-11 1980-12-23 Yokowo Mfg Co Ltd Antenna unit
DE3826777A1 (en) * 1988-08-06 1990-02-08 Kathrein Werke Kg Axial two-band antenna
GB2239355A (en) * 1989-12-22 1991-06-26 Yokowo Seisakusho Kk Antenna device shared by three kinds of waves
DE4007824A1 (en) * 1990-03-12 1991-09-19 Lindenmeier Heinz Vehicle antenna design with dipole elements - uses high frequency current blocking device in parallel with lower element
EP0505673A1 (en) * 1991-03-23 1992-09-30 Robert Bosch Gmbh Multiband rod antenna

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4442438A (en) * 1982-03-29 1984-04-10 Motorola, Inc. Helical antenna structure capable of resonating at two different frequencies
US4494122A (en) * 1982-12-22 1985-01-15 Motorola, Inc. Antenna apparatus capable of resonating at two different frequencies
US4730195A (en) * 1985-07-01 1988-03-08 Motorola, Inc. Shortened wideband decoupled sleeve dipole antenna
US4675687A (en) * 1986-01-22 1987-06-23 General Motors Corporation AM-FM cellular telephone multiband antenna for motor vehicle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55165003A (en) * 1979-06-11 1980-12-23 Yokowo Mfg Co Ltd Antenna unit
DE3826777A1 (en) * 1988-08-06 1990-02-08 Kathrein Werke Kg Axial two-band antenna
GB2239355A (en) * 1989-12-22 1991-06-26 Yokowo Seisakusho Kk Antenna device shared by three kinds of waves
DE4007824A1 (en) * 1990-03-12 1991-09-19 Lindenmeier Heinz Vehicle antenna design with dipole elements - uses high frequency current blocking device in parallel with lower element
EP0505673A1 (en) * 1991-03-23 1992-09-30 Robert Bosch Gmbh Multiband rod antenna

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 5, no. 40 (E - 049) 17 March 1981 (1981-03-17) *
WRZESINSKI: "CB ANTENNA THAT SNAPS ONTO AN AM/FM AUTOMOTIVE ANTENNA", MOTOROLA TECHNICAL DISCLOSURE BULLETIN, vol. 3, no. 1, SCHAUMBURG, ILLINOIS US, pages 40 *

Also Published As

Publication number Publication date
DE4336633A1 (en) 1995-05-04
TR28131A (en) 1996-01-30
US5926149A (en) 1999-07-20
EP0651460A2 (en) 1995-05-03

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