EP0497196A3 - Antenna with multiple elements - Google Patents

Antenna with multiple elements Download PDF

Info

Publication number
EP0497196A3
EP0497196A3 EP19920100968 EP92100968A EP0497196A3 EP 0497196 A3 EP0497196 A3 EP 0497196A3 EP 19920100968 EP19920100968 EP 19920100968 EP 92100968 A EP92100968 A EP 92100968A EP 0497196 A3 EP0497196 A3 EP 0497196A3
Authority
EP
European Patent Office
Prior art keywords
antenna
multiple elements
elements
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Withdrawn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
EP19920100968
Other versions
EP0497196A2 (en
Inventor
Shahrokh Ehsani
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.)
Vitrociset SpA
Original Assignee
Vitroselenia SpA
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 Vitroselenia SpA filed Critical Vitroselenia SpA
Publication of EP0497196A2 publication Critical patent/EP0497196A2/en
Publication of EP0497196A3 publication Critical patent/EP0497196A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
    • H01Q21/205—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path providing an omnidirectional coverage
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/325—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle
    • H01Q1/3275—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle mounted on a horizontal surface of the vehicle, e.g. on roof, hood, trunk
    • 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
    • H01Q9/40—Element having extended radiating surface

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
EP19920100968 1991-01-23 1992-01-22 Antenna with multiple elements Withdrawn EP0497196A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITRM910048A IT1244905B (en) 1991-01-23 1991-01-23 ANTENNA WITH MULTIPLE ELEMENTS ABLE TO OVERCOME THE CHANGE IN POWER RECEIVED IN THE URBAN AREAS AND IN THE INTERIORS OF THE BUILDINGS.
ITRM910048 1991-01-23

Publications (2)

Publication Number Publication Date
EP0497196A2 EP0497196A2 (en) 1992-08-05
EP0497196A3 true EP0497196A3 (en) 1992-10-28

Family

ID=11399774

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920100968 Withdrawn EP0497196A3 (en) 1991-01-23 1992-01-22 Antenna with multiple elements

Country Status (2)

Country Link
EP (1) EP0497196A3 (en)
IT (1) IT1244905B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4415282A1 (en) * 1994-04-30 1995-11-02 Sel Alcatel Ag Multipath reception radio receiver
JPWO2012144084A1 (en) * 2011-04-21 2014-07-28 和廣 柴田 Compound antenna

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2428583A1 (en) * 1974-06-14 1976-01-02 Kabel Metallwerke Ghh HF receive aerial on trains - receives from track-side aerial and has two elements located in maximum and minimum areas of field
US4750000A (en) * 1987-09-16 1988-06-07 Schroeder Klaus G Ultra-broadband impedance matched electrically small self-complementary signal radiating structures with impedance-inverting feed for complementary pairs using thin wire elements

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6175641A (en) * 1984-09-21 1986-04-18 Nippon Telegr & Teleph Corp <Ntt> Diversity reception system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2428583A1 (en) * 1974-06-14 1976-01-02 Kabel Metallwerke Ghh HF receive aerial on trains - receives from track-side aerial and has two elements located in maximum and minimum areas of field
US4750000A (en) * 1987-09-16 1988-06-07 Schroeder Klaus G Ultra-broadband impedance matched electrically small self-complementary signal radiating structures with impedance-inverting feed for complementary pairs using thin wire elements

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION. vol. 36, no. 10, October 1988, NEW YORK US pages 1365 - 1374; VAUGHAN ET AL.: 'Circular Array of Outward Sloping Monopoles for Vehicular Diversity Antennas' *
PATENT ABSTRACTS OF JAPAN vol. 10, no. 248 (E-431)26 August 1986 & JP-A-61 075 641 ( NIPPON TELEGRAPH & TELEPHON ) 18 April 1986 *
REVIEW OF THE ELECTRICAL COMMUNICATION LABORATORIES. vol. 35, no. 2, March 1987, TOKYO JP pages 115 - 121; YAMADA ET AL.: 'Base Station/Vehicular Antenna Design Techniques Employed in High-Capacity Land Mobile Communications System' *

Also Published As

Publication number Publication date
EP0497196A2 (en) 1992-08-05
IT1244905B (en) 1994-09-13
ITRM910048A1 (en) 1992-07-23
ITRM910048A0 (en) 1991-01-23

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