CA2251572A1 - Enhanced modular message board - Google Patents

Enhanced modular message board

Info

Publication number
CA2251572A1
CA2251572A1 CA002251572A CA2251572A CA2251572A1 CA 2251572 A1 CA2251572 A1 CA 2251572A1 CA 002251572 A CA002251572 A CA 002251572A CA 2251572 A CA2251572 A CA 2251572A CA 2251572 A1 CA2251572 A1 CA 2251572A1
Authority
CA
Canada
Prior art keywords
display unit
sign
display units
mounting track
message board
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
CA002251572A
Other languages
French (fr)
Other versions
CA2251572C (en
Inventor
Timothy J. Nicholson
Gordon M. Melby
Paul C. Freeberg
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.)
ADDCO Manufacturing Inc
Original Assignee
Addco Manufacturing, Inc.
Timothy J. Nicholson
Gordon M. Melby
Paul C. Freeberg
Addco, 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
Priority claimed from US08/634,031 external-priority patent/US5914698A/en
Application filed by Addco Manufacturing, Inc., Timothy J. Nicholson, Gordon M. Melby, Paul C. Freeberg, Addco, Inc. filed Critical Addco Manufacturing, Inc.
Publication of CA2251572A1 publication Critical patent/CA2251572A1/en
Application granted granted Critical
Publication of CA2251572C publication Critical patent/CA2251572C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
    • G09F9/3026—Video wall, i.e. stackable semiconductor matrix display modules
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/02—Composition of display devices
    • G09G2300/026—Video wall, i.e. juxtaposition of a plurality of screens to create a display screen of bigger dimensions

Abstract

The present invention is a modular electronic sign having a plurality of display units (12) assembled on a mounting track (14) and connected to a sign controller (18). Each display unit (12) has a circuit board (20) having a plurality of light emitting diodes (74) arranged in a pattern thereon. A~
microprocessor (240) in each display unit (12) is in communication with the sign controller (18) and adjacent display units (12). Each display unit (12) is hermetically sealed to avoid a separate enclosure for the modular sign. A plurality of clips are used to electrically connect the display units to power and communications conductors. A plurality of compression clips (442) mechanically connect the display units to the mounting track.
Each display unit is mountable to the mounting track either horizontally or vertically.
CA002251572A 1996-04-15 1997-04-15 Enhanced modular message board Expired - Fee Related CA2251572C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US08/634,031 1996-04-15
US08/634,031 US5914698A (en) 1996-04-15 1996-04-15 Modular message board
US08/833,945 US6175342B1 (en) 1996-04-15 1997-04-14 Enhanced modular message board
US08/833,945 1997-04-14
PCT/US1997/006289 WO1997039436A1 (en) 1996-04-15 1997-04-15 Enhanced modular message board

Publications (2)

Publication Number Publication Date
CA2251572A1 true CA2251572A1 (en) 1997-10-23
CA2251572C CA2251572C (en) 2007-01-30

Family

ID=27092036

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002251572A Expired - Fee Related CA2251572C (en) 1996-04-15 1997-04-15 Enhanced modular message board

Country Status (9)

Country Link
US (1) US6175342B1 (en)
EP (1) EP0894317B1 (en)
JP (1) JP3294853B2 (en)
CN (1) CN1221508A (en)
AT (1) ATE232634T1 (en)
AU (1) AU731333B2 (en)
CA (1) CA2251572C (en)
DE (1) DE69719023D1 (en)
WO (1) WO1997039436A1 (en)

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Also Published As

Publication number Publication date
ATE232634T1 (en) 2003-02-15
CA2251572C (en) 2007-01-30
JP2000505213A (en) 2000-04-25
WO1997039436A1 (en) 1997-10-23
CN1221508A (en) 1999-06-30
JP3294853B2 (en) 2002-06-24
EP0894317A4 (en) 1999-02-03
EP0894317B1 (en) 2003-02-12
EP0894317A1 (en) 1999-02-03
DE69719023D1 (en) 2003-03-20
AU731333B2 (en) 2001-03-29
AU2731597A (en) 1997-11-07
US6175342B1 (en) 2001-01-16

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20140415