CA2305243A1 - Article-information display system using electronically controlled tags - Google Patents

Article-information display system using electronically controlled tags Download PDF

Info

Publication number
CA2305243A1
CA2305243A1 CA002305243A CA2305243A CA2305243A1 CA 2305243 A1 CA2305243 A1 CA 2305243A1 CA 002305243 A CA002305243 A CA 002305243A CA 2305243 A CA2305243 A CA 2305243A CA 2305243 A1 CA2305243 A1 CA 2305243A1
Authority
CA
Canada
Prior art keywords
conductor
display system
tags
article
information display
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
CA002305243A
Other languages
French (fr)
Other versions
CA2305243C (en
Inventor
Kenneth W. Kayser
W. Richard Frederick
Stanley J. Swartzel
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.)
Northern Illinois University
Original Assignee
Individual
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 US09/118,653 external-priority patent/US6089453A/en
Application filed by Individual filed Critical Individual
Publication of CA2305243A1 publication Critical patent/CA2305243A1/en
Application granted granted Critical
Publication of CA2305243C publication Critical patent/CA2305243C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00—Commerce
    • G06Q30/06—Buying, selling or leasing transactions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations

Landscapes

  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Theoretical Computer Science (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Development Economics (AREA)
  • General Business, Economics & Management (AREA)
  • Strategic Management (AREA)
  • Marketing (AREA)
  • Economics (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Display Racks (AREA)

Abstract

A product information display system has electronic display tags (20) for displaying pricing and product information for products in stores or warehouses. The electronic display tags (20) are electromagnetically coupled to a conductor (423). A control circuit is used to generate an information signal which contains a tag address and related data.
A modulator circuit modulates an ac power signal with the information signal and applies it to the conductor for transmission to the display tags (20). Each of the display tags (20) is equipped with a coil that is electromagnetically coupled to the conductor for picking up the signals carried by the conductor.
CA002305243A 1997-10-10 1998-09-28 Article-information display system using electronically controlled tags Expired - Lifetime CA2305243C (en)

Applications Claiming Priority (19)

Application Number Priority Date Filing Date Title
US6178097P 1997-10-10 1997-10-10
US60/061,780 1997-10-10
US6733697P 1997-12-02 1997-12-02
US60/067,336 1997-12-02
US11860698A 1998-07-17 1998-07-17
US11842398A 1998-07-17 1998-07-17
US11860798A 1998-07-17 1998-07-17
US11861098A 1998-07-17 1998-07-17
US11835798A 1998-07-17 1998-07-17
US09/118,357 1998-07-17
US09/118,607 1998-07-17
US09/118,653 US6089453A (en) 1997-10-10 1998-07-17 Article-information display system using electronically controlled tags
US09/118,606 1998-07-17
US09/118,423 1998-07-17
US09/118,653 1998-07-17
US09/118,610 1998-07-17
US12076998A 1998-07-22 1998-07-22
US09/120,769 1998-07-22
PCT/US1998/020281 WO1999019829A1 (en) 1997-10-10 1998-09-28 Article-information display system using electronically controlled tags

Publications (2)

Publication Number Publication Date
CA2305243A1 true CA2305243A1 (en) 1999-04-22
CA2305243C CA2305243C (en) 2007-06-12

Family

ID=27578289

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002305243A Expired - Lifetime CA2305243C (en) 1997-10-10 1998-09-28 Article-information display system using electronically controlled tags

Country Status (6)

Country Link
EP (1) EP1021789A4 (en)
AU (1) AU9587498A (en)
BR (1) BR9812903A (en)
CA (1) CA2305243C (en)
MX (1) MXPA00003509A (en)
WO (1) WO1999019829A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1028917C2 (en) * 2005-04-29 2006-10-31 Johannus Augustinus S Aalsters Warehouse inspection system, comprises inspection means generating image representing current condition of warehouse units with their own identification
US7809973B2 (en) 2005-11-16 2010-10-05 Cypress Semiconductor Corporation Spread spectrum clock for USB

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4002886A (en) * 1975-06-20 1977-01-11 Ronald Murl Sundelin Electronic price display unit
US4500880A (en) * 1981-07-06 1985-02-19 Motorola, Inc. Real time, computer-driven retail pricing display system
US4766295A (en) * 1987-03-02 1988-08-23 H.E. Butt Grocery Company Electronic pricing display system
US5111196A (en) * 1987-03-23 1992-05-05 Esl, Inc. Electronic information display module and connector therefor
US4962466A (en) * 1987-03-27 1990-10-09 Viscom Systems, Inc. Electronic product information display system
US5245534A (en) * 1991-09-10 1993-09-14 Ers Associates Limited Partnership Electronic tag location systems
US5461561A (en) * 1991-09-10 1995-10-24 Electronic Retailing Systems International Inc. System for recognizing display devices
US5241467A (en) * 1992-04-30 1993-08-31 Ers Associates Limited Partnership Space management system
US5374815A (en) * 1993-03-15 1994-12-20 Electronic Retailing Systems Int'l Inc. Technique for locating electronic labels in an electronic price display system
GB9309246D0 (en) * 1993-05-05 1993-06-16 Esselte Meto Int Gmbh Rechargeable shelf edge tag
US5537312A (en) * 1993-05-06 1996-07-16 Hitachi, Ltd. Electronic rack labeling system
US5537126A (en) 1993-09-03 1996-07-16 Kayser Ventures, Ltd. Article-information display system using electronically controlled tags
US5448226A (en) * 1994-02-24 1995-09-05 Electronic Retailing Systems International, Inc. Shelf talker management system
US5401947A (en) * 1994-03-15 1995-03-28 Poland; Terrell A. Information display and product identification system

Also Published As

Publication number Publication date
EP1021789A4 (en) 2005-04-27
BR9812903A (en) 2002-02-05
MXPA00003509A (en) 2004-09-10
AU9587498A (en) 1999-05-03
EP1021789A1 (en) 2000-07-26
CA2305243C (en) 2007-06-12
WO1999019829A1 (en) 1999-04-22

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20180928