CA2370848A1 - Low-power radio frequency identification reader - Google Patents

Low-power radio frequency identification reader Download PDF

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Publication number
CA2370848A1
CA2370848A1 CA002370848A CA2370848A CA2370848A1 CA 2370848 A1 CA2370848 A1 CA 2370848A1 CA 002370848 A CA002370848 A CA 002370848A CA 2370848 A CA2370848 A CA 2370848A CA 2370848 A1 CA2370848 A1 CA 2370848A1
Authority
CA
Canada
Prior art keywords
rfid reader
secondary detector
low
radio frequency
frequency identification
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.)
Granted
Application number
CA002370848A
Other languages
French (fr)
Other versions
CA2370848C (en
Inventor
Randy W. Watkins
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.)
Soundcraft Inc
Original Assignee
Soundcraft, Inc.
Randy W. Watkins
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23153391&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2370848(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Soundcraft, Inc., Randy W. Watkins filed Critical Soundcraft, Inc.
Publication of CA2370848A1 publication Critical patent/CA2370848A1/en
Application granted granted Critical
Publication of CA2370848C publication Critical patent/CA2370848C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G06K7/10118—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 the sensing being preceded by at least one preliminary step
    • G06K7/10128—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 the sensing being preceded by at least one preliminary step the step consisting of detection of the presence of one or more record carriers in the vicinity of the interrogation device
    • 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
    • G06K7/10—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
    • G06K7/10198—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 setting parameters for the interrogator, e.g. programming parameters and operating modes
    • G06K7/10207—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 setting parameters for the interrogator, e.g. programming parameters and operating modes parameter settings related to power consumption of the interrogator
    • H04B5/77—
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

Practical battery operation of radio-frequency proximity readers (12) in a tag reader system (10) is made possible by monitoring activity in the RFID reader's sensing field (S) with a secondary detector (20) such as a passive infrared detector having an overlapping field of view (V), and powering up the RFID
reader only upon detection of activity by the secondary detector. The RFID reader is kept to a low duty cycle relative to the secondary detector which is chosen for relatively low power consumption to achieve a net reduction in operating power requirements of the combined RFID reader and secondary detector.
CA002370848A 1999-04-24 2000-04-21 Low-power radio frequency identification reader Expired - Fee Related CA2370848C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/299,121 US6150948A (en) 1999-04-24 1999-04-24 Low-power radio frequency identification reader
US09/299,121 1999-04-24
PCT/US2000/010860 WO2000065551A1 (en) 1999-04-24 2000-04-21 Low-power radio frequency identification reader

Publications (2)

Publication Number Publication Date
CA2370848A1 true CA2370848A1 (en) 2000-11-02
CA2370848C CA2370848C (en) 2008-01-15

Family

ID=23153391

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002370848A Expired - Fee Related CA2370848C (en) 1999-04-24 2000-04-21 Low-power radio frequency identification reader

Country Status (12)

Country Link
US (1) US6150948A (en)
EP (1) EP1185962B1 (en)
JP (1) JP2002543646A (en)
CN (1) CN1145128C (en)
AT (1) ATE359577T1 (en)
AU (1) AU761945B2 (en)
CA (1) CA2370848C (en)
DE (1) DE60034335T2 (en)
ES (1) ES2284497T3 (en)
HK (1) HK1044210B (en)
WO (1) WO2000065551A1 (en)
ZA (1) ZA200109462B (en)

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CN1391686A (en) 2003-01-15
JP2002543646A (en) 2002-12-17
AU4655900A (en) 2000-11-10
DE60034335T2 (en) 2007-12-27
ZA200109462B (en) 2002-08-16
ATE359577T1 (en) 2007-05-15
WO2000065551A1 (en) 2000-11-02
EP1185962A4 (en) 2004-07-28
AU761945B2 (en) 2003-06-12
ES2284497T3 (en) 2007-11-16
US6150948A (en) 2000-11-21
DE60034335D1 (en) 2007-05-24
EP1185962B1 (en) 2007-04-11
HK1044210B (en) 2007-06-15
HK1044210A1 (en) 2002-10-11
CA2370848C (en) 2008-01-15
EP1185962A1 (en) 2002-03-13
CN1145128C (en) 2004-04-07

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