PT102739A - Sistema de antenas para um dispositivo de leitura de transponder em radiofrequencia - Google Patents
Sistema de antenas para um dispositivo de leitura de transponder em radiofrequenciaInfo
- Publication number
- PT102739A PT102739A PT10273902A PT10273902A PT102739A PT 102739 A PT102739 A PT 102739A PT 10273902 A PT10273902 A PT 10273902A PT 10273902 A PT10273902 A PT 10273902A PT 102739 A PT102739 A PT 102739A
- Authority
- PT
- Portugal
- Prior art keywords
- transponder
- reading device
- antenna system
- radiofrequency reading
- radiofrequency
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10316—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers
- G06K7/10346—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers the antenna being of the far field type, e.g. HF types or dipoles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- General Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Radar Systems Or Details Thereof (AREA)
- Details Of Aerials (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PT10273902A PT102739A (pt) | 2002-03-13 | 2002-03-13 | Sistema de antenas para um dispositivo de leitura de transponder em radiofrequencia |
AU2003218742A AU2003218742A1 (en) | 2002-03-13 | 2003-03-12 | Antenna system for a transponder radio-frequency reading device |
PCT/EP2003/002553 WO2003077364A2 (en) | 2002-03-13 | 2003-03-12 | Antenna system for a transponder radio-frequency reading device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PT10273902A PT102739A (pt) | 2002-03-13 | 2002-03-13 | Sistema de antenas para um dispositivo de leitura de transponder em radiofrequencia |
Publications (1)
Publication Number | Publication Date |
---|---|
PT102739A true PT102739A (pt) | 2003-09-30 |
Family
ID=27800851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT10273902A PT102739A (pt) | 2002-03-13 | 2002-03-13 | Sistema de antenas para um dispositivo de leitura de transponder em radiofrequencia |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU2003218742A1 (pt) |
PT (1) | PT102739A (pt) |
WO (1) | WO2003077364A2 (pt) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US8447234B2 (en) | 2006-01-18 | 2013-05-21 | Qualcomm Incorporated | Method and system for powering an electronic device via a wireless link |
JP4239205B2 (ja) * | 2006-06-08 | 2009-03-18 | ソニー・エリクソン・モバイルコミュニケーションズ株式会社 | 携帯通信端末装置 |
US8378522B2 (en) | 2007-03-02 | 2013-02-19 | Qualcomm, Incorporated | Maximizing power yield from wireless power magnetic resonators |
US9774086B2 (en) | 2007-03-02 | 2017-09-26 | Qualcomm Incorporated | Wireless power apparatus and methods |
US8482157B2 (en) | 2007-03-02 | 2013-07-09 | Qualcomm Incorporated | Increasing the Q factor of a resonator |
US8378523B2 (en) | 2007-03-02 | 2013-02-19 | Qualcomm Incorporated | Transmitters and receivers for wireless energy transfer |
US9124120B2 (en) | 2007-06-11 | 2015-09-01 | Qualcomm Incorporated | Wireless power system and proximity effects |
CN101842963B (zh) | 2007-10-11 | 2014-05-28 | 高通股份有限公司 | 使用磁机械***的无线功率转移 |
US8629576B2 (en) | 2008-03-28 | 2014-01-14 | Qualcomm Incorporated | Tuning and gain control in electro-magnetic power systems |
US9601267B2 (en) | 2013-07-03 | 2017-03-21 | Qualcomm Incorporated | Wireless power transmitter with a plurality of magnetic oscillators |
US10812148B1 (en) * | 2020-03-06 | 2020-10-20 | Avid Indentification Systems, Inc. | Variable-Q antenna coil circuit for RFID applications |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5225847A (en) * | 1989-01-18 | 1993-07-06 | Antenna Research Associates, Inc. | Automatic antenna tuning system |
WO1991015878A1 (de) * | 1990-04-09 | 1991-10-17 | Adalbert Kopera | Antennenanordnung |
EP0704928A3 (en) * | 1994-09-30 | 1998-08-05 | HID Corporation | RF transponder system with parallel resonant interrogation and series resonant response |
GB2315602B (en) * | 1996-07-23 | 2000-11-29 | Motorola Inc | Loop antenna |
US5963173A (en) * | 1997-12-05 | 1999-10-05 | Sensormatic Electronics Corporation | Antenna and transmitter arrangement for EAS system |
US6300914B1 (en) * | 1999-08-12 | 2001-10-09 | Apti, Inc. | Fractal loop antenna |
-
2002
- 2002-03-13 PT PT10273902A patent/PT102739A/pt not_active IP Right Cessation
-
2003
- 2003-03-12 AU AU2003218742A patent/AU2003218742A1/en not_active Abandoned
- 2003-03-12 WO PCT/EP2003/002553 patent/WO2003077364A2/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
AU2003218742A1 (en) | 2003-09-22 |
WO2003077364A2 (en) | 2003-09-18 |
WO2003077364A3 (en) | 2004-03-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB1A | Laying open of patent application |
Effective date: 20020527 |
|
MM3A | Annulment or lapse |
Free format text: LAPSE DUE TO NON-PAYMENT OF FEES Effective date: 20050228 |