EP0724308A3 - Antenna arrangement - Google Patents
Antenna arrangement Download PDFInfo
- Publication number
- EP0724308A3 EP0724308A3 EP95120130A EP95120130A EP0724308A3 EP 0724308 A3 EP0724308 A3 EP 0724308A3 EP 95120130 A EP95120130 A EP 95120130A EP 95120130 A EP95120130 A EP 95120130A EP 0724308 A3 EP0724308 A3 EP 0724308A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- voltage
- channel
- capacitor
- antenna
- 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- Withdrawn
Links
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
Landscapes
- Transmitters (AREA)
- Electronic Switches (AREA)
- Logic Circuits (AREA)
- Radar Systems Or Details Thereof (AREA)
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 EP0724308A2 (en) | 1996-07-31 |
EP0724308A3 true EP0724308A3 (en) | 1998-10-14 |
Family
ID=23439726
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95120130A Withdrawn EP0724308A3 (en) | 1994-12-29 | 1995-12-20 | Antenna arrangement |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0724308A3 (ja) |
JP (1) | JPH08320376A (ja) |
Cited By (4)
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 |
US9124120B2 (en) | 2007-06-11 | 2015-09-01 | Qualcomm Incorporated | Wireless power system and proximity effects |
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 |
US9601267B2 (en) | 2013-07-03 | 2017-03-21 | Qualcomm Incorporated | Wireless power transmitter with a plurality of magnetic oscillators |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5729236A (en) * | 1995-04-28 | 1998-03-17 | Texas Instruments Incorporated | Identification system reader with multiplexed antennas |
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 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0301127A1 (en) * | 1987-07-31 | 1989-02-01 | Texas Instruments Deutschland Gmbh | Transponder arrangement |
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 (en) * | 1991-01-23 | 1992-07-29 | Texas Instruments Holland B.V. | Interrogating station for identification purposes, with separate transmitting and receiving antennae |
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 (en) * | 1995-04-28 | 1996-10-30 | Texas Instruments Deutschland Gmbh | Identification system reader with multiplexed antennas |
-
1995
- 1995-12-20 EP EP95120130A patent/EP0724308A3/en not_active Withdrawn
- 1995-12-27 JP JP7341546A patent/JPH08320376A/ja active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4857893A (en) * | 1986-07-18 | 1989-08-15 | Bi Inc. | Single chip transponder device |
EP0301127A1 (en) * | 1987-07-31 | 1989-02-01 | Texas Instruments Deutschland Gmbh | Transponder arrangement |
US4987392A (en) * | 1988-10-17 | 1991-01-22 | Motorola, Inc. | Gallium arsenide antenna switch |
EP0496610A2 (en) * | 1991-01-23 | 1992-07-29 | Texas Instruments Holland B.V. | Interrogating station for identification purposes, with separate transmitting and receiving antennae |
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 (en) * | 1995-04-28 | 1996-10-30 | Texas Instruments Deutschland Gmbh | Identification system reader with multiplexed antennas |
Non-Patent Citations (2)
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 (1994-02-01), pages 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 (1988-05-01), pages 208 - 216, XP000096890 * |
Cited By (4)
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 |
Also Published As
Publication number | Publication date |
---|---|
JPH08320376A (ja) | 1996-12-03 |
EP0724308A2 (en) | 1996-07-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): DE FR GB IT NL |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: FLAXL, THOMAS JOSEF |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: TEXAS INSTRUMENTS DEUTSCHLAND GMBH |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): DE FR GB IT NL |
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17P | Request for examination filed |
Effective date: 19990407 |
|
17Q | First examination report despatched |
Effective date: 20030721 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20040203 |