EP0724308A2 - Antennenanordnung - Google Patents

Antennenanordnung Download PDF

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Publication number
EP0724308A2
EP0724308A2 EP95120130A EP95120130A EP0724308A2 EP 0724308 A2 EP0724308 A2 EP 0724308A2 EP 95120130 A EP95120130 A EP 95120130A EP 95120130 A EP95120130 A EP 95120130A EP 0724308 A2 EP0724308 A2 EP 0724308A2
Authority
EP
European Patent Office
Prior art keywords
voltage
antenna
channel
capacitor
disabled
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Withdrawn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
EP95120130A
Other languages
English (en)
French (fr)
Other versions
EP0724308A3 (de
Inventor
designation of the inventor has not yet been filed The
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.)
Texas Instruments Deutschland GmbH
Original Assignee
Texas Instruments 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 Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of EP0724308A2 publication Critical patent/EP0724308A2/de
Publication of EP0724308A3 publication Critical patent/EP0724308A3/de
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
EP95120130A 1994-12-29 1995-12-20 Antennenanordnung Withdrawn EP0724308A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US36564494A 1994-12-29 1994-12-29
US365644 1994-12-29

Publications (2)

Publication Number Publication Date
EP0724308A2 true EP0724308A2 (de) 1996-07-31
EP0724308A3 EP0724308A3 (de) 1998-10-14

Family

ID=23439726

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95120130A Withdrawn EP0724308A3 (de) 1994-12-29 1995-12-20 Antennenanordnung

Country Status (2)

Country Link
EP (1) EP0724308A3 (de)
JP (1) JPH08320376A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0740262A2 (de) * 1995-04-28 1996-10-30 Texas Instruments Deutschland Gmbh Identifizierungssystem-Leser mit multiplexierten Antennen
DE102004058613A1 (de) * 2004-12-04 2006-06-08 Conti Temic Microelectronic Gmbh Sendevorrichtung für mehrere zueinander parallele, unabhängig voneinander über je eine Zuleitung versorgbare Antenne
US9774086B2 (en) 2007-03-02 2017-09-26 Qualcomm Incorporated Wireless power apparatus and methods

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8447234B2 (en) 2006-01-18 2013-05-21 Qualcomm Incorporated Method and system for powering an electronic device via a wireless link
US9130602B2 (en) 2006-01-18 2015-09-08 Qualcomm Incorporated Method and apparatus for delivering energy to an electrical or electronic device via a wireless link
US9124120B2 (en) 2007-06-11 2015-09-01 Qualcomm Incorporated Wireless power system and proximity effects
US9601267B2 (en) 2013-07-03 2017-03-21 Qualcomm Incorporated Wireless power transmitter with a plurality of magnetic oscillators

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4857893A (en) * 1986-07-18 1989-08-15 Bi Inc. Single chip transponder device
US4987392A (en) * 1988-10-17 1991-01-22 Motorola, Inc. Gallium arsenide antenna switch
EP0496610A2 (de) * 1991-01-23 1992-07-29 Texas Instruments Holland B.V. Abfragestation zur Identifizierung mit separaten Sende- und Empfangsantennen
EP0301127B1 (de) * 1987-07-31 1993-12-01 Texas Instruments Deutschland Gmbh Transponder-Anordnung
GB2279212A (en) * 1993-06-17 1994-12-21 Oki Electric Ind Co Ltd Antenna switching circuit
US5465411A (en) * 1993-06-16 1995-11-07 Nisshin Onpa Co., Ltd. Diversity receiver with switching noise reduction
EP0740262A2 (de) * 1995-04-28 1996-10-30 Texas Instruments Deutschland Gmbh Identifizierungssystem-Leser mit multiplexierten Antennen

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4857893A (en) * 1986-07-18 1989-08-15 Bi Inc. Single chip transponder device
EP0301127B1 (de) * 1987-07-31 1993-12-01 Texas Instruments Deutschland Gmbh Transponder-Anordnung
US4987392A (en) * 1988-10-17 1991-01-22 Motorola, Inc. Gallium arsenide antenna switch
EP0496610A2 (de) * 1991-01-23 1992-07-29 Texas Instruments Holland B.V. Abfragestation zur Identifizierung mit separaten Sende- und Empfangsantennen
US5465411A (en) * 1993-06-16 1995-11-07 Nisshin Onpa Co., Ltd. Diversity receiver with switching noise reduction
GB2279212A (en) * 1993-06-17 1994-12-21 Oki Electric Ind Co Ltd Antenna switching circuit
EP0740262A2 (de) * 1995-04-28 1996-10-30 Texas Instruments Deutschland Gmbh Identifizierungssystem-Leser mit multiplexierten Antennen

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
MIYATSUJI K ET AL: "A GAAS HIGH-POWER RF SINGLE-POLE DOUBLE-THROW SWITCH IC FOR DIGITALMOBILE COMMUNICATION SYSTEM" IEEE INTERNATIONAL SOLID STATE CIRCUITS CONFERENCE, vol. 37, 1 February 1994, page 34/35, 305 XP000507050 *
MOTOKI HIRANO ET AL: "KEYLESS ENTRY SYSTEM WITH RADIO CARD TRANSPONDER" IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, vol. 35, no. 2, 1 May 1988, pages 208-216, XP000096890 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0740262A2 (de) * 1995-04-28 1996-10-30 Texas Instruments Deutschland Gmbh Identifizierungssystem-Leser mit multiplexierten Antennen
EP0740262A3 (de) * 1995-04-28 2004-01-02 Texas Instruments Deutschland Gmbh Identifizierungssystem-Leser mit multiplexierten Antennen
DE102004058613A1 (de) * 2004-12-04 2006-06-08 Conti Temic Microelectronic Gmbh Sendevorrichtung für mehrere zueinander parallele, unabhängig voneinander über je eine Zuleitung versorgbare Antenne
US9774086B2 (en) 2007-03-02 2017-09-26 Qualcomm Incorporated Wireless power apparatus and methods

Also Published As

Publication number Publication date
EP0724308A3 (de) 1998-10-14
JPH08320376A (ja) 1996-12-03

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