DE60033785D1 - Rfid etikettenleser mit frequenzsuchlauf und automatischer abstimmung - Google Patents

Rfid etikettenleser mit frequenzsuchlauf und automatischer abstimmung

Info

Publication number
DE60033785D1
DE60033785D1 DE60033785T DE60033785T DE60033785D1 DE 60033785 D1 DE60033785 D1 DE 60033785D1 DE 60033785 T DE60033785 T DE 60033785T DE 60033785 T DE60033785 T DE 60033785T DE 60033785 D1 DE60033785 D1 DE 60033785D1
Authority
DE
Germany
Prior art keywords
antenna
rfid label
frequency search
label reader
reader
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.)
Expired - Lifetime
Application number
DE60033785T
Other languages
English (en)
Other versions
DE60033785T2 (de
Inventor
Randy 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
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 Soundcraft Inc filed Critical Soundcraft Inc
Publication of DE60033785D1 publication Critical patent/DE60033785D1/de
Application granted granted Critical
Publication of DE60033785T2 publication Critical patent/DE60033785T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G06K7/10316—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
    • G06K7/10336—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 near field type, inductive coil
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J2200/00—Indexing scheme relating to tuning resonant circuits and selecting resonant circuits
    • H03J2200/10—Tuning of a resonator by means of digitally controlled capacitor bank
DE60033785T 1999-01-12 2000-01-03 Rfid etikettenleser mit frequenzsuchlauf und automatischer abstimmung Expired - Lifetime DE60033785T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US229146 1999-01-12
US09/229,146 US6317027B1 (en) 1999-01-12 1999-01-12 Auto-tunning scanning proximity reader
PCT/US2000/000129 WO2000042585A1 (en) 1999-01-12 2000-01-03 Auto-tuning scanning proximity reader

Publications (2)

Publication Number Publication Date
DE60033785D1 true DE60033785D1 (de) 2007-04-19
DE60033785T2 DE60033785T2 (de) 2007-11-08

Family

ID=22860007

Family Applications (2)

Application Number Title Priority Date Filing Date
DE60033785T Expired - Lifetime DE60033785T2 (de) 1999-01-12 2000-01-03 Rfid etikettenleser mit frequenzsuchlauf und automatischer abstimmung
DE60041726T Expired - Lifetime DE60041726D1 (de) 1999-01-12 2000-01-03 Abtastnahleser mit Selbstabstimmung

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE60041726T Expired - Lifetime DE60041726D1 (de) 1999-01-12 2000-01-03 Abtastnahleser mit Selbstabstimmung

Country Status (12)

Country Link
US (1) US6317027B1 (de)
EP (2) EP1145203B1 (de)
JP (1) JP4401575B2 (de)
CN (2) CN1236407C (de)
AT (2) ATE356393T1 (de)
AU (1) AU758293B2 (de)
CA (1) CA2360298C (de)
DE (2) DE60033785T2 (de)
ES (2) ES2326186T3 (de)
HK (2) HK1083259A1 (de)
WO (1) WO2000042585A1 (de)
ZA (1) ZA200106429B (de)

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AU758293B2 (en) 2003-03-20
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ZA200106429B (en) 2002-09-10
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HK1083259A1 (en) 2006-06-30
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HK1048551A1 (en) 2003-04-04
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EP1145203B1 (de) 2007-03-07
EP1770665A1 (de) 2007-04-04
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EP1145203A1 (de) 2001-10-17
CN100416586C (zh) 2008-09-03
CA2360298C (en) 2003-02-18
CN1236407C (zh) 2006-01-11
ATE424597T1 (de) 2009-03-15
CA2360298A1 (en) 2000-07-20
CN1367915A (zh) 2002-09-04
DE60033785T2 (de) 2007-11-08
DE60041726D1 (de) 2009-04-16
AU2404700A (en) 2000-08-01
US6317027B1 (en) 2001-11-13
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EP1770665B1 (de) 2009-03-04
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