CA2200553A1 - Article-information display system using electronically controlled tags - Google Patents

Article-information display system using electronically controlled tags

Info

Publication number
CA2200553A1
CA2200553A1 CA002200553A CA2200553A CA2200553A1 CA 2200553 A1 CA2200553 A1 CA 2200553A1 CA 002200553 A CA002200553 A CA 002200553A CA 2200553 A CA2200553 A CA 2200553A CA 2200553 A1 CA2200553 A1 CA 2200553A1
Authority
CA
Canada
Prior art keywords
tags
conductor
display tags
display
power
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
CA002200553A
Other languages
French (fr)
Other versions
CA2200553C (en
Inventor
W. Richard Frederick
Kenneth W. Kayser
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
W. Richard Frederick
Kenneth W. Kayser
Display Edge Technology, Ltd.
Illinois Tool Works Inc.
Northern Illinois University
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 W. Richard Frederick, Kenneth W. Kayser, Display Edge Technology, Ltd., Illinois Tool Works Inc., Northern Illinois University filed Critical W. Richard Frederick
Publication of CA2200553A1 publication Critical patent/CA2200553A1/en
Application granted granted Critical
Publication of CA2200553C publication Critical patent/CA2200553C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/147—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display panels
    • 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
    • G06Q30/02—Marketing; Price estimation or determination; Fundraising
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2370/00—Aspects of data communication
    • G09G2370/16—Use of wireless transmission of display information
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2380/00—Specific applications
    • G09G2380/04—Electronic labels

Abstract

A product information display system has electronic display tags for displaying pricing and product information for products in stores or warehouses. The electronic display tags are electromagnetically coupled to a conductor. A
control circuit is used to generate an information signal which contains a tag address and related data. A modulator circuit modulates an a-c. power signal with the information signal and applies it to the conductor for transmission to the display tags.
Each of the display tags is equipped with a coil that is electromagnetically coupled to the conductor for picking up the signals carried by the conductor. A
demodulator is used to demodulate the signal picked up by the coil to obtain the original information signal. Each of the display tags is provided with a manually operated switch for initializing the tags with initial addresses transmitted by the conductor. A
microprocessor in the electronic tag then compares the address contained in subsequent information signals with the address stored in the tag's memory. If the addresses match, the microprocessor further processes the information signal for visual display or verification functions. An electrical power system supplies a-c.
power to the display tags. A main power distribution loop is connected to the power supply and is magnetically coupled to multiple branch power distribution loops which extend along selected groups of display tags for supplying power to those display tags.
CA002200553A 1994-09-21 1995-09-19 Article-information display system using electronically controlled tags Expired - Lifetime CA2200553C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US30993494A 1994-09-21 1994-09-21
US08/309,934 1995-03-03
US08/398,297 1995-03-03
US08/398,297 US5736967A (en) 1993-09-03 1995-03-03 Article-information display system using electronically controlled tags
PCT/US1995/011913 WO1996009619A1 (en) 1994-09-21 1995-09-19 Article-information display system using electronically controlled tags

Publications (2)

Publication Number Publication Date
CA2200553A1 true CA2200553A1 (en) 1996-03-28
CA2200553C CA2200553C (en) 2002-07-02

Family

ID=26977108

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002200553A Expired - Lifetime CA2200553C (en) 1994-09-21 1995-09-19 Article-information display system using electronically controlled tags

Country Status (7)

Country Link
US (1) US5736967A (en)
EP (1) EP0787339A4 (en)
JP (1) JPH10512056A (en)
AU (1) AU3592695A (en)
BR (1) BR9509148A (en)
CA (1) CA2200553C (en)
WO (1) WO1996009619A1 (en)

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Also Published As

Publication number Publication date
US5736967A (en) 1998-04-07
AU3592695A (en) 1996-04-09
EP0787339A1 (en) 1997-08-06
CA2200553C (en) 2002-07-02
WO1996009619A1 (en) 1996-03-28
EP0787339A4 (en) 1999-01-07
JPH10512056A (en) 1998-11-17
BR9509148A (en) 1997-11-25

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