DE3175454D1 - Antenna having small dimensions - Google Patents

Antenna having small dimensions

Info

Publication number
DE3175454D1
DE3175454D1 DE8181402082T DE3175454T DE3175454D1 DE 3175454 D1 DE3175454 D1 DE 3175454D1 DE 8181402082 T DE8181402082 T DE 8181402082T DE 3175454 T DE3175454 T DE 3175454T DE 3175454 D1 DE3175454 D1 DE 3175454D1
Authority
DE
Germany
Prior art keywords
antenna
small dimensions
dimensions
small
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
Application number
DE8181402082T
Other languages
English (en)
Inventor
Albert Boubouleix
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Application granted granted Critical
Publication of DE3175454D1 publication Critical patent/DE3175454D1/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/273—Adaptation for carrying or wearing by persons or animals
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)
DE8181402082T 1981-01-23 1981-12-28 Antenna having small dimensions Expired DE3175454D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8101291A FR2498819B1 (fr) 1981-01-23 1981-01-23 Antenne de petite dimension

Publications (1)

Publication Number Publication Date
DE3175454D1 true DE3175454D1 (en) 1986-11-13

Family

ID=9254457

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181402082T Expired DE3175454D1 (en) 1981-01-23 1981-12-28 Antenna having small dimensions

Country Status (5)

Country Link
US (1) US4491843A (de)
EP (1) EP0056923B1 (de)
DE (1) DE3175454D1 (de)
DK (1) DK21382A (de)
FR (1) FR2498819B1 (de)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3214449A1 (de) * 1982-04-20 1983-10-27 Standard Elektrik Lorenz Ag, 7000 Stuttgart Miniaturisierter funkempfaenger
DE3302876A1 (de) * 1983-01-28 1984-08-02 Robert Bosch Gmbh, 7000 Stuttgart Dipolantenne fuer tragbare funkgeraete
US5475375A (en) * 1985-10-16 1995-12-12 Supra Products, Inc. Electronic access control systems
US6072402A (en) * 1992-01-09 2000-06-06 Slc Technologies, Inc. Secure entry system with radio communications
US6822553B1 (en) 1985-10-16 2004-11-23 Ge Interlogix, Inc. Secure entry system with radio reprogramming
US4740794A (en) * 1986-01-03 1988-04-26 Motorola, Inc. Connectorless antenna coupler
US4831661A (en) * 1986-10-09 1989-05-16 Toko Kabushiki Kaisha RF tuning circuit
US4790030A (en) * 1986-11-25 1988-12-06 Rca Licensing Corporation Tuner with insertable antenna coupler
US4876552A (en) * 1988-04-27 1989-10-24 Motorola, Inc. Internally mounted broadband antenna
FI81927C (fi) * 1988-10-26 1990-12-10 Nokia Mobira Oy Antenn foer radiotelefon.
GB2237449B (en) * 1989-09-30 1994-03-30 Hi Trak Systems Ltd Transmitter and antenna
DE4113277C2 (de) * 1991-04-19 1996-08-08 Hagenuk Telecom Gmbh Antenne für ein mobiles Telefon
JP3251680B2 (ja) * 1991-12-26 2002-01-28 株式会社東芝 携帯無線機
DE69221165T2 (de) * 1992-01-09 1997-11-27 Supra Prod Inc Sicheres zugangssystem mit funkverbindung
TW320813B (de) * 1996-04-05 1997-11-21 Omron Tateisi Electronics Co
JP3838815B2 (ja) * 1999-05-10 2006-10-25 日本電気株式会社 携帯電話機
ATE233959T1 (de) * 1999-06-02 2003-03-15 Univ Waterloo Flache monopolantenne
US6281851B1 (en) 2000-01-21 2001-08-28 Motorola, Inc. Antenna assembly and communication device utilizing such antenna assembly
US6266019B1 (en) * 2000-07-21 2001-07-24 Ericsson Inc. System for increasing antenna efficiency
GB0019335D0 (en) * 2000-08-08 2000-09-27 Koninkl Philips Electronics Nv Wireless terminal
EP1310014B1 (de) * 2000-08-08 2007-05-30 Koninklijke Philips Electronics N.V. Drahtloses funkgerät
SE522492C2 (sv) 2000-10-27 2004-02-10 Ericsson Telefon Ab L M Antennanordning för en mobilterminal
US6660948B2 (en) * 2001-02-28 2003-12-09 Vip Investments Ltd. Switch matrix
EP1251584B1 (de) * 2001-04-19 2003-11-26 TELEFONAKTIEBOLAGET L M ERICSSON (publ) Endgespeiste Antenne für mobiles Endgerät
US6950070B2 (en) * 2001-04-19 2005-09-27 Telefonaktiebolaget Lm Ericsson Arrangement for a mobile terminal
GB0112265D0 (en) 2001-05-19 2001-07-11 Koninkl Philips Electronics Nv Antenna arrangement
US7755506B1 (en) 2003-09-03 2010-07-13 Legrand Home Systems, Inc. Automation and theater control system
US7307542B1 (en) 2003-09-03 2007-12-11 Vantage Controls, Inc. System and method for commissioning addressable lighting systems
US7394451B1 (en) 2003-09-03 2008-07-01 Vantage Controls, Inc. Backlit display with motion sensor
US7778262B2 (en) * 2005-09-07 2010-08-17 Vantage Controls, Inc. Radio frequency multiple protocol bridge
WO2010015364A2 (en) 2008-08-04 2010-02-11 Fractus, S.A. Antennaless wireless device capable of operation in multiple frequency regions
CN102119467A (zh) 2008-08-04 2011-07-06 弗拉克托斯股份有限公司 无天线无线装置
WO2011095330A1 (en) 2010-02-02 2011-08-11 Fractus, S.A. Antennaless wireless device comprising one or more bodies
CN103155276B (zh) 2010-08-03 2015-11-25 弗拉克托斯天线股份有限公司 能够进行多带mimo操作的无线装置
EP2735053B1 (de) * 2011-07-18 2019-09-25 Sony Ericsson Mobile Communications AB Mehrbandige drahtlose endgeräte mit metallrückplatten und kopplungszuführungselementen sowie zugehörige mehrbandige antennensysteme
JP7224716B2 (ja) 2017-03-29 2023-02-20 株式会社ヨコオ アンテナ装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1175744A (fr) * 1956-06-21 1959-04-01 Western Electric Co Appareil de radio à antenne incorporée
US2828413A (en) * 1956-06-21 1958-03-25 Bell Telephone Labor Inc Self-contained antenna-radio system in which a split conductive container forms a dipole antenna
US3573628A (en) * 1968-07-15 1971-04-06 Motorola Inc Antenna for miniature radio receiver including portions of receiver housing and chassis
US3545002A (en) * 1969-02-04 1970-12-01 Sperry Rand Corp Wideband wave trapping antenna having a time limited impulse response
US3587107A (en) * 1969-06-11 1971-06-22 Sperry Rand Corp Time limited impulse response antenna
US3736591A (en) * 1970-10-30 1973-05-29 Motorola Inc Receiving antenna for miniature radio receiver
US3852760A (en) * 1973-08-07 1974-12-03 Us Army Electrically small dipolar antenna utilizing tuned lc members
DE2408578C2 (de) * 1974-02-22 1985-06-27 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Antenne mit quadratischer ebener Leiterfläche und paralleler leitender Grundfläche
US3980952A (en) * 1975-04-07 1976-09-14 Motorola, Inc. Dipole antenna system having conductive containers as radiators and a tubular matching coil
JPS583405B2 (ja) * 1976-09-24 1983-01-21 日本電気株式会社 小型無線機用アンテナ
US4171423A (en) * 1977-09-29 1979-10-16 Union Carbide Corporation Derivatives of ester diol alkoxylates and compositions thereof

Also Published As

Publication number Publication date
DK21382A (da) 1982-07-24
EP0056923A3 (en) 1982-08-11
EP0056923A2 (de) 1982-08-04
US4491843A (en) 1985-01-01
EP0056923B1 (de) 1986-10-08
FR2498819A1 (fr) 1982-07-30
FR2498819B1 (fr) 1985-05-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition