IN2012DN03259A - - Google Patents

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Publication number
IN2012DN03259A
IN2012DN03259A IN3259DEN2012A IN2012DN03259A IN 2012DN03259 A IN2012DN03259 A IN 2012DN03259A IN 3259DEN2012 A IN3259DEN2012 A IN 3259DEN2012A IN 2012DN03259 A IN2012DN03259 A IN 2012DN03259A
Authority
IN
India
Prior art keywords
panel
leds
display system
led display
detecting means
Prior art date
Application number
Inventor
Michael Sick Cheong Tsang
Tsang Ben
Original Assignee
Electronic Res Pty Ltd
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 AU2009904486A external-priority patent/AU2009904486A0/en
Application filed by Electronic Res Pty Ltd filed Critical Electronic Res Pty Ltd
Publication of IN2012DN03259A publication Critical patent/IN2012DN03259A/en

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
    • G09G3/06—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources
    • G09G3/12—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources using electroluminescent elements
    • G09G3/14—Semiconductor devices, e.g. diodes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • H05B45/58—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits involving end of life detection of LEDs
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02—Details of power systems and of start or stop of display operation
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/04—Display protection
    • G09G2330/045—Protection against panel overheating
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/08—Fault-tolerant or redundant circuits, or circuits in which repair of defects is prepared
    • 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
    • G09G2380/06—Remotely controlled electronic signs other than labels

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Traffic Control Systems (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Control Of El Displays (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The present invention relates to a LED display system (10) including a panel (12) and detecting means (20) The LED display system (10) also includes means (14) for selectively varying power supply to the panel (12). The panel (12) has an array of LEDs. The detecting means (20) is adapted to activate or deactivate one or more of the LEDs.
IN3259DEN2012 2009-09-16 2010-09-16 IN2012DN03259A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2009904486A AU2009904486A0 (en) 2009-09-16 A LED display system
PCT/AU2010/001210 WO2011032220A1 (en) 2009-09-16 2010-09-16 A led display system

Publications (1)

Publication Number Publication Date
IN2012DN03259A true IN2012DN03259A (en) 2015-10-23

Family

ID=43757948

Family Applications (1)

Application Number Title Priority Date Filing Date
IN3259DEN2012 IN2012DN03259A (en) 2009-09-16 2010-09-16

Country Status (10)

Country Link
US (2) US20120299807A1 (en)
EP (1) EP2478744A4 (en)
JP (1) JP2013504880A (en)
CN (1) CN102640565A (en)
AU (1) AU2010295242B2 (en)
CA (1) CA2778546A1 (en)
IN (1) IN2012DN03259A (en)
MY (1) MY156862A (en)
NZ (1) NZ599322A (en)
WO (1) WO2011032220A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7163062B2 (en) * 2018-05-14 2022-10-31 株式会社京三製作所 Pedestrian Signal Light Unit with Elapsed Time and Pedestrian Signal Light Unit with Elapsed Time

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Also Published As

Publication number Publication date
NZ599322A (en) 2013-04-26
WO2011032220A1 (en) 2011-03-24
CA2778546A1 (en) 2011-03-24
US20120299807A1 (en) 2012-11-29
CN102640565A (en) 2012-08-15
AU2010295242B2 (en) 2012-07-26
EP2478744A1 (en) 2012-07-25
JP2013504880A (en) 2013-02-07
MY156862A (en) 2016-04-15
US20160157308A1 (en) 2016-06-02
EP2478744A4 (en) 2014-08-13
AU2010295242A1 (en) 2012-05-03

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