SG34973A1 - System and method for radio frequency tag group select - Google Patents

System and method for radio frequency tag group select

Info

Publication number
SG34973A1
SG34973A1 SG1995000345A SG1995000345A SG34973A1 SG 34973 A1 SG34973 A1 SG 34973A1 SG 1995000345 A SG1995000345 A SG 1995000345A SG 1995000345 A SG1995000345 A SG 1995000345A SG 34973 A1 SG34973 A1 SG 34973A1
Authority
SG
Singapore
Prior art keywords
radio frequency
frequency tag
tag group
group select
select
Prior art date
Application number
SG1995000345A
Inventor
Christian Lenz Cesar
Kenneth Alan Goldman
Sharon L Greene
Shun Chan
Thomas Anthony Cofino
Original Assignee
Ibm
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
Priority claimed from US08/303,965 external-priority patent/US5673037A/en
Application filed by Ibm filed Critical Ibm
Priority to SG1995000345A priority Critical patent/SG34973A1/en
Publication of SG34973A1 publication Critical patent/SG34973A1/en

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
    • G06K7/10019—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.
    • G06K7/10108—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. interrogating only those RFIDs that fulfill a predetermined requirement, e.g. selecting all RFIDs having the same speed and moving in a cloud like fashion, e.g. on the same train; interrogating only RFIDs having a certain predetermined temperature, e.g. in the same fridge, another possibility being the active ignoring of a group of tags that fulfill a predetermined requirement, equivalent to the Boolean NOT operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
SG1995000345A 1994-09-09 1995-04-27 System and method for radio frequency tag group select SG34973A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SG1995000345A SG34973A1 (en) 1994-09-09 1995-04-27 System and method for radio frequency tag group select

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/303,965 US5673037A (en) 1994-09-09 1994-09-09 System and method for radio frequency tag group select
SG1995000345A SG34973A1 (en) 1994-09-09 1995-04-27 System and method for radio frequency tag group select

Publications (1)

Publication Number Publication Date
SG34973A1 true SG34973A1 (en) 1997-02-01

Family

ID=26664652

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1995000345A SG34973A1 (en) 1994-09-09 1995-04-27 System and method for radio frequency tag group select

Country Status (1)

Country Link
SG (1) SG34973A1 (en)

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