DE3833288C2 - Mehrband-stabantenne fuer kraftfahrzeuge - Google Patents
Mehrband-stabantenne fuer kraftfahrzeugeInfo
- Publication number
- DE3833288C2 DE3833288C2 DE3833288A DE3833288A DE3833288C2 DE 3833288 C2 DE3833288 C2 DE 3833288C2 DE 3833288 A DE3833288 A DE 3833288A DE 3833288 A DE3833288 A DE 3833288A DE 3833288 C2 DE3833288 C2 DE 3833288C2
- Authority
- DE
- Germany
- Prior art keywords
- antenna
- antenna element
- tube
- conductor
- section
- 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 - Lifetime
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
- 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
- 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
- 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
-
- 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
- H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation
Description
Claims (4)
mit einem an einer Kraftfahrzeugkarosserie befestigten Gehäuserohr (126),
einem im Gehäuserohr (126) längsverschiebbaren Antennenelement (123), das einen äußeren Antennenstab (125) und ein in das Gehäuserohr (126) versenkbares Antennenrohr (124) enthält und
mit einem Koaxialkabel, das bei ausgefahrenem Antennenelement (123) mit dem unteren Endteil des Antennenrohrs (124) elektrisch verbunden ist,
dadurch gekennzeichnet,
daß das Antennenelement (123) einen unteren Abschnitt (120a) von gegenüber seinem oberen Abschnitt kleinerem Durchmesser d₁ und einen daran befestigten unteren Endteil (120b) aufweist, dessen Durchmesser d1a größer als derjenige des unteren Abschnitts (120a) ist,
daß der untere Abschnitt (120a) des Antennenelements (123) mit einem Isolierrohr (135) ummantelt ist, dessen Außendurchmesser dem des Antennenrohrs (124) entspricht,
daß das Gehäuserohr (126) einen oberen Rohrteil (128a), der den schmaleren unteren Abschnitt (120a) des ausgefahrenen Antennenelements (123) über einen hohlzylindrischen Isolierkörper (127) umgibt, und einen zweiten unteren Rohrteil (128a) von vergrößertem Innendurchmesser aufweist, der den unteren Endteil (120b) des Antennenelements (123) über einen Isolierrohrkörper umgibt, wobei die charakteristische Impedanz Z₁ in dem aus der Karosserie herausragenden Abschnitt l31 des ausgefahrenen Antennenelements (123), die charakteristische Impedanz Z₂ in dem vom schmaleren Abschnitt (120a) und dem Endteil (120b) des Antennenelements (123) gebildeten Abschnitt l32 und die charakteristische Impedanz Z₃ im Abschnitt l33 des Koaxialkabels (105) gleich sind.
daß der erste untere Leiter (145) mit dem schmalen unteren Abschnitt (120a) des Antennenelements (123) verbunden ist und eine Länge von 3/8 λ1 hat,
daß die Phasenschieberspule (148) eine wirksame Länge von 1/4 λ1 hat,
daß der zweite Leiter (146) eine Länge von 5/8 λ1 hat, und
daß die Gesamtlänge des Antennenelements 1/4 λ2 beträgt.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3844541A DE3844541C2 (de) | 1987-09-30 | 1988-09-30 | Antennenschaltung für eine Multiband-Antenne |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14995287U JPH0546330Y2 (de) | 1987-09-30 | 1987-09-30 | |
JP14995387U JPS6455713U (de) | 1987-09-30 | 1987-09-30 | |
JP1987186605U JPH0191349U (de) | 1987-12-08 | 1987-12-08 | |
JP7417588U JPH0445312Y2 (de) | 1988-06-02 | 1988-06-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3833288A1 DE3833288A1 (de) | 1989-07-20 |
DE3833288C2 true DE3833288C2 (de) | 1992-10-29 |
Family
ID=27465672
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3833288A Expired - Lifetime DE3833288C2 (de) | 1987-09-30 | 1988-09-30 | Mehrband-stabantenne fuer kraftfahrzeuge |
Country Status (3)
Country | Link |
---|---|
US (1) | US5072230A (de) |
CA (1) | CA1314324C (de) |
DE (1) | DE3833288C2 (de) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5173712A (en) * | 1988-06-17 | 1992-12-22 | Aisin Seiki K.K. | Rod antenna with filter arrangement |
JP2985196B2 (ja) * | 1989-11-01 | 1999-11-29 | 株式会社デンソー | 車両用アンテナ装置 |
JP2568281B2 (ja) * | 1989-11-17 | 1996-12-25 | 原田工業株式会社 | 自動車用三波共用アンテナ |
US5187492A (en) * | 1990-07-03 | 1993-02-16 | Mitsuba Electric Manufacturing Co., Ltd. | Structure for mounting telescopic antenna for automobile |
JP2703670B2 (ja) * | 1991-04-12 | 1998-01-26 | 三菱電機株式会社 | アンテナ装置 |
GB2257837B (en) * | 1991-07-13 | 1995-10-18 | Technophone Ltd | Retractable antenna |
GB2257838B (en) * | 1991-07-13 | 1995-06-14 | Technophone Ltd | Retractable antenna |
GB2257835B (en) * | 1991-07-13 | 1995-10-11 | Technophone Ltd | Retractable antenna |
US5541615A (en) * | 1991-07-31 | 1996-07-30 | Aisin Seiki Kabushiki Kaisha | 3 band communication equipment |
US5302963A (en) * | 1991-09-03 | 1994-04-12 | Motorola, Inc. | Retractable antenna assembly with connector |
GB9207639D0 (en) * | 1992-04-08 | 1992-05-27 | Nokia Mobile Phones R & D Uk | Radio with retractable antenna |
JPH0645818A (ja) * | 1992-07-27 | 1994-02-18 | Harada Ind Co Ltd | 車両用電動式伸縮形アンテナ |
US5412393A (en) * | 1993-01-25 | 1995-05-02 | Motorola, Inc. | Retractable antenna assembly with bottom connector |
EP0622864B1 (de) * | 1993-04-28 | 2000-06-21 | Casio Computer Co., Ltd. | Antennenvorrichtung zur Erzeugung gewünschter Strahlungsdiagramme ohne Veränderung der Antennenstruktur |
DE9314147U1 (de) * | 1993-09-18 | 1994-01-05 | Antenne Bad Blankenburg Mobile | Kompakt-Fahrzeugantenne |
US5652599A (en) * | 1995-09-11 | 1997-07-29 | Qualcomm Incorporated | Dual-band antenna system |
US5812097A (en) * | 1996-04-30 | 1998-09-22 | Qualcomm Incorporated | Dual band antenna |
US5995066A (en) * | 1996-06-25 | 1999-11-30 | Chrysler Corporation | One piece mast power antenna having electrical contact with sliding and docking contact portions |
EP0854534A1 (de) * | 1997-01-16 | 1998-07-22 | Nippon Sheet Glass Co. Ltd. | Scheibenantenne |
US5969694A (en) * | 1997-12-19 | 1999-10-19 | Harada Industry Co., Ltd. | Telescopic rod antenna and method for manufacturing the same |
US6097339A (en) * | 1998-02-23 | 2000-08-01 | Qualcomm Incorporated | Substrate antenna |
US6357887B1 (en) | 1999-05-14 | 2002-03-19 | Apple Computers, Inc. | Housing for a computing device |
US6977808B2 (en) | 1999-05-14 | 2005-12-20 | Apple Computer, Inc. | Display housing for computing device |
IT1307463B1 (it) * | 1999-06-30 | 2001-11-06 | Calearo S R L | Antenna multifunzione per autoveicoli |
DE19943118A1 (de) * | 1999-09-09 | 2001-04-05 | Siemens Ag | Mobile Funk-Sende-/Funk-Empfangseinrichtung mit abstimmbarer Antenne |
CN1421057A (zh) * | 2000-11-06 | 2003-05-28 | 三菱电机株式会社 | 天线装置和携带机器 |
US7452098B2 (en) | 2001-06-15 | 2008-11-18 | Apple Inc. | Active enclosure for computing device |
EP1474735B1 (de) | 2001-06-15 | 2006-10-11 | Apple Computer, Inc. | Aktives computergehäuse |
US7766517B2 (en) * | 2001-06-15 | 2010-08-03 | Apple Inc. | Active enclosure for computing device |
US6788261B1 (en) * | 2003-04-09 | 2004-09-07 | Wilson Electronics, Inc. | Antenna with multiple radiators |
WO2004102732A2 (en) * | 2003-05-14 | 2004-11-25 | Galtronics Ltd. | Antenna |
US20070193775A1 (en) * | 2006-02-17 | 2007-08-23 | Micron Technology, Inc. | Impedance matching via structure for high-speed printed circuit boards and method of determining same |
US8284109B2 (en) * | 2007-10-31 | 2012-10-09 | Lockheed Martin Corporation | Telescoping radar array |
CN114280432B (zh) * | 2021-11-24 | 2023-10-13 | 浙江新图维电子科技有限公司 | 一种电缆局放监测设备及方法 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3101134A (en) * | 1960-07-27 | 1963-08-20 | Gen Motors Corp | Power operated antenna |
US4179698A (en) * | 1977-12-13 | 1979-12-18 | American Antenna Corporation | Mobile antenna with adjustable radiating element |
JPS5489548A (en) * | 1977-12-27 | 1979-07-16 | Harada Ind Co Ltd | Automotive antenna |
US4527168A (en) * | 1983-08-08 | 1985-07-02 | General Motors Corporation | Moisture seal in power operated vehicle antenna |
US4584587A (en) * | 1983-09-02 | 1986-04-22 | Ireland Frank E | Tuneable antenna with inductive coupling at input |
US4839660A (en) * | 1983-09-23 | 1989-06-13 | Orion Industries, Inc. | Cellular mobile communication antenna |
JPS60169907U (ja) * | 1984-04-20 | 1985-11-11 | 原田工業株式会社 | 車両用伸縮ロツドアンテナ装置 |
US4567487A (en) * | 1984-06-15 | 1986-01-28 | Chu Associates, Inc. | Vibration-tolerant whip antenna |
US4647941A (en) * | 1984-06-25 | 1987-03-03 | At&T Bell Laboratories | Telescopic antenna extended by coaxial cable feed |
US4658260A (en) * | 1984-06-25 | 1987-04-14 | At&T Company | Telescoping multiband antenna |
IT1209579B (it) * | 1984-08-08 | 1989-08-30 | Macario Varese As | Impianto per lo smistamento di colli, con carrelli a movimentazione autonoma. |
JPS61227405A (ja) * | 1985-04-01 | 1986-10-09 | Harada Kogyo Kk | 車両用三波共用アンテナ |
US4675687A (en) * | 1986-01-22 | 1987-06-23 | General Motors Corporation | AM-FM cellular telephone multiband antenna for motor vehicle |
US4721965A (en) * | 1986-01-22 | 1988-01-26 | General Motors Corporation | AM-FM-cellular telephone multiband antenna for motor vehicle |
US4748450A (en) * | 1986-07-03 | 1988-05-31 | American Telephone And Telegraph Company, At&T Bell Laboratories | Vehicular multiband antenna feedline coupling device |
JPH0753286Y2 (ja) * | 1986-09-05 | 1995-12-06 | 原田工業株式会社 | 車両用電動アンテナ |
DE8810097U1 (de) * | 1988-08-08 | 1988-09-29 | Junge, Volkmar, Dipl.-Ing., 6742 Herxheim, De |
-
1988
- 1988-09-26 US US07/249,556 patent/US5072230A/en not_active Expired - Lifetime
- 1988-09-29 CA CA000578830A patent/CA1314324C/en not_active Expired - Lifetime
- 1988-09-30 DE DE3833288A patent/DE3833288C2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5072230A (en) | 1991-12-10 |
DE3833288A1 (de) | 1989-07-20 |
CA1314324C (en) | 1993-03-09 |
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Legal Events
Date | Code | Title | Description |
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OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
8110 | Request for examination paragraph 44 | ||
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D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
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