WO2002097708A3 - Methods and apparatuses to identify devices - Google Patents
Methods and apparatuses to identify devices Download PDFInfo
- Publication number
- WO2002097708A3 WO2002097708A3 PCT/US2002/017159 US0217159W WO02097708A3 WO 2002097708 A3 WO2002097708 A3 WO 2002097708A3 US 0217159 W US0217159 W US 0217159W WO 02097708 A3 WO02097708 A3 WO 02097708A3
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- WO
- WIPO (PCT)
- Prior art keywords
- data
- tag
- apparatuses
- methods
- corresponding portion
- Prior art date
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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
- G06K7/10019—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 resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers.
- G06K7/10029—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 resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers. the collision being resolved in the time domain, e.g. using binary tree search or RFID responses allocated to a random time slot
- G06K7/10039—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 resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers. the collision being resolved in the time domain, e.g. using binary tree search or RFID responses allocated to a random time slot interrogator driven, i.e. synchronous
- G06K7/10049—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 resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers. the collision being resolved in the time domain, e.g. using binary tree search or RFID responses allocated to a random time slot interrogator driven, i.e. synchronous binary tree
-
- 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
- G06K7/0008—General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
-
- 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
- G06K7/08—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Near-Field Transmission Systems (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2002303927A AU2002303927A1 (en) | 2001-05-31 | 2002-05-31 | Methods and apparatuses to identify devices |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US29550201P | 2001-05-31 | 2001-05-31 | |
US60/295,502 | 2001-05-31 | ||
US32939101P | 2001-10-12 | 2001-10-12 | |
US60/329,391 | 2001-10-12 | ||
US10/160,458 US6988667B2 (en) | 2001-05-31 | 2002-05-30 | Methods and apparatuses to identify devices |
US10/160,458 | 2002-05-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2002097708A2 WO2002097708A2 (en) | 2002-12-05 |
WO2002097708A3 true WO2002097708A3 (en) | 2003-05-30 |
Family
ID=27388460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2002/017159 WO2002097708A2 (en) | 2001-05-31 | 2002-05-31 | Methods and apparatuses to identify devices |
Country Status (3)
Country | Link |
---|---|
US (3) | US6988667B2 (en) |
AU (1) | AU2002303927A1 (en) |
WO (1) | WO2002097708A2 (en) |
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Also Published As
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US6988667B2 (en) | 2006-01-24 |
US8284034B2 (en) | 2012-10-09 |
US20070262851A1 (en) | 2007-11-15 |
US20050211787A1 (en) | 2005-09-29 |
US20030019929A1 (en) | 2003-01-30 |
US7262686B2 (en) | 2007-08-28 |
AU2002303927A1 (en) | 2002-12-09 |
WO2002097708A2 (en) | 2002-12-05 |
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