IT1302355B1 - Complesso di antenna telescopica - Google Patents

Complesso di antenna telescopica

Info

Publication number
IT1302355B1
IT1302355B1 IT1998RM000625A ITRM980625A IT1302355B1 IT 1302355 B1 IT1302355 B1 IT 1302355B1 IT 1998RM000625 A IT1998RM000625 A IT 1998RM000625A IT RM980625 A ITRM980625 A IT RM980625A IT 1302355 B1 IT1302355 B1 IT 1302355B1
Authority
IT
Italy
Prior art keywords
telescopic antenna
antenna complex
complex
telescopic
antenna
Prior art date
Application number
IT1998RM000625A
Other languages
English (en)
Inventor
Kevin M Thill
Iv William H Darden
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of ITRM980625A1 publication Critical patent/ITRM980625A1/it
Application granted granted Critical
Publication of IT1302355B1 publication Critical patent/IT1302355B1/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/08—Means for collapsing antennas or parts thereof
    • H01Q1/10—Telescopic elements
    • 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
    • H01Q1/244—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 extendable from a housing along a given path
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
    • H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
    • H01Q11/08—Helical antennas

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
IT1998RM000625A 1997-10-03 1998-10-02 Complesso di antenna telescopica IT1302355B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/947,496 US5943027A (en) 1997-10-03 1997-10-03 Telescopic antenna assembly

Publications (2)

Publication Number Publication Date
ITRM980625A1 ITRM980625A1 (it) 2000-04-02
IT1302355B1 true IT1302355B1 (it) 2000-09-05

Family

ID=25486236

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1998RM000625A IT1302355B1 (it) 1997-10-03 1998-10-02 Complesso di antenna telescopica

Country Status (9)

Country Link
US (1) US5943027A (it)
JP (1) JP3432755B2 (it)
KR (1) KR100306269B1 (it)
CN (1) CN1213868A (it)
AU (1) AU734637B2 (it)
BR (1) BR9803863A (it)
GB (1) GB2330008B (it)
IT (1) IT1302355B1 (it)
ZA (1) ZA988682B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3041520B2 (ja) * 1998-01-19 2000-05-15 株式会社トーキン アンテナ
US6160516A (en) * 1999-10-07 2000-12-12 Motorola, Inc. Dual pattern antenna for portable communications devices
US8162145B1 (en) 2010-10-19 2012-04-24 Merritt Timothy X Emergency shelter kit
CN103346381B (zh) * 2013-06-25 2015-07-22 上海摩软通讯技术有限公司 用于atv/dtv拉杆天线的固定装置及其移动终端
FR3008550B1 (fr) * 2013-07-15 2015-08-21 Inst Mines Telecom Telecom Bretagne Antenne de type bouchon et structure antennaire et ensemble antennaire associes
US10700430B1 (en) 2016-12-04 2020-06-30 Maxtena, Inc. Parasitic multifilar multiband antenna
CN113517534B (zh) * 2021-04-01 2022-12-09 西安电子科技大学 一种可展开螺旋天线、控制方法及移动终端
CN116593956B (zh) * 2023-07-19 2023-09-29 成都大公博创信息技术有限公司 多天线阵与主机一体化设计的全频段空间谱监测测向系统

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3824600A (en) * 1973-02-05 1974-07-16 Itt Tuning mechanism for a helix/cylinder antenna
US4008479A (en) * 1975-11-03 1977-02-15 Chu Associates, Inc. Dual-frequency circularly polarized spiral antenna for satellite navigation
US4121218A (en) * 1977-08-03 1978-10-17 Motorola, Inc. Adjustable antenna arrangement for a portable radio
GB1547136A (en) * 1978-02-07 1979-06-06 Marconi Co Ltd Radio antennae
FR2624656B1 (fr) * 1987-12-10 1990-05-18 Centre Nat Etd Spatiales Antenne de type helice et son procede de realisation
US5014346A (en) * 1988-01-04 1991-05-07 Motorola, Inc. Rotatable contactless antenna coupler and antenna
US4847629A (en) * 1988-08-03 1989-07-11 Alliance Research Corporation Retractable cellular antenna
US4868576A (en) * 1988-11-02 1989-09-19 Motorola, Inc. Extendable antenna for portable cellular telephones with ground radiator
US5198831A (en) * 1990-09-26 1993-03-30 501 Pronav International, Inc. Personal positioning satellite navigator with printed quadrifilar helical antenna
US5349365A (en) * 1991-10-21 1994-09-20 Ow Steven G Quadrifilar helix antenna
US5612707A (en) * 1992-04-24 1997-03-18 Industrial Research Limited Steerable beam helix antenna
JP2520557B2 (ja) * 1993-02-26 1996-07-31 日本電気株式会社 無線機用アンテナ
US5451974A (en) * 1993-06-21 1995-09-19 Marino; Frank Retractable helical antenna
US5450093A (en) * 1994-04-20 1995-09-12 The United States Of America As Represented By The Secretary Of The Navy Center-fed multifilar helix antenna
EP0715369B1 (en) * 1994-12-01 1999-07-28 Indian Space Research Organisation A multiband antenna system
US5828348A (en) * 1995-09-22 1998-10-27 Qualcomm Incorporated Dual-band octafilar helix antenna
US5907306A (en) * 1996-12-30 1999-05-25 Ericsson Inc. Retractable radiotelephone antennas and associated radiotelephone communication methods

Also Published As

Publication number Publication date
GB2330008B (en) 1999-12-08
BR9803863A (pt) 1999-12-21
GB2330008A (en) 1999-04-07
CN1213868A (zh) 1999-04-14
KR19990036844A (ko) 1999-05-25
AU734637B2 (en) 2001-06-21
AU8608098A (en) 1999-04-22
ZA988682B (en) 1999-03-23
GB9821590D0 (en) 1998-11-25
JP3432755B2 (ja) 2003-08-04
KR100306269B1 (ko) 2001-11-02
JPH11214909A (ja) 1999-08-06
US5943027A (en) 1999-08-24
ITRM980625A1 (it) 2000-04-02

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Legal Events

Date Code Title Description
0001 Granted