HUP0401026A2 - Illuminated sign for traffic control and method for functional monitoring of such a sign - Google Patents

Illuminated sign for traffic control and method for functional monitoring of such a sign

Info

Publication number
HUP0401026A2
HUP0401026A2 HU0401026A HUP0401026A HUP0401026A2 HU P0401026 A2 HUP0401026 A2 HU P0401026A2 HU 0401026 A HU0401026 A HU 0401026A HU P0401026 A HUP0401026 A HU P0401026A HU P0401026 A2 HUP0401026 A2 HU P0401026A2
Authority
HU
Hungary
Prior art keywords
light
current
led
emitting diodes
signal
Prior art date
Application number
HU0401026A
Other languages
English (en)
Inventor
Bernhard Hering
Rudolf Schierjott
Gerhard Treffer
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of HUP0401026A2 publication Critical patent/HUP0401026A2/hu

Links

Classifications

    • 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
    • G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
    • 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
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Traffic Control Systems (AREA)
  • Road Signs Or Road Markings (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)

Abstract

A találmány tárgya világító jelzés forgalomirányításra, különösenközúti forgalom irányítására és eljárás világító jelzésműködőképességének ellenőrzésére. A világító jelzés rendelkezik ajelzés létrehozására szolgáló fényforrásokkal és a fényforrásokműködőképességének ellenőrzésére szolgáló ellenőrző berendezéssel. Afényforrások fénykibocsátó diódák (LED) és az ellenőrző berendezés úgyvan kialakítva, hogy a fénykibocsátó diódákat (LED) korlátozott módonhelyezze áram alá, ezáltal a megfigyelő által már nem észlelhetőmértékűre korlátozva a fénykibocsátó diódák (LED) fénykibocsátását. Azellenőrző berendezésbe kapcsolóeszközök vannak beépítve, melyek abekapcsolt diódaáramot az áramerősségre megadott küszöbértékelérésekor kikapcsolják. Az ellenőrző eljárás során a fénykibocsátódiódák (LED) áramát bekapcsolják, a fénykibocsátó diódákon (LED)keresztülfolyó áram erősségét jellemző áramellenőrző jelet generálnak,és amint az áramellenőrző jel adott küszöbértéket elér, az áramotismét kikapcsolják. Ó
HU0401026A 2001-08-16 2002-08-05 Illuminated sign for traffic control and method for functional monitoring of such a sign HUP0401026A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10140331A DE10140331C2 (de) 2001-08-16 2001-08-16 Lichtzeichen zur Verkehrssteuerung und Verfahren zur Funktionsüberwachung eines solchen Zeichens
PCT/DE2002/002877 WO2003017728A1 (de) 2001-08-16 2002-08-05 Lichtzeichen zur verkehrssteuerung und verfahren zur funktionsüberwachung eines solchen zeichens

Publications (1)

Publication Number Publication Date
HUP0401026A2 true HUP0401026A2 (en) 2004-08-30

Family

ID=7695727

Family Applications (1)

Application Number Title Priority Date Filing Date
HU0401026A HUP0401026A2 (en) 2001-08-16 2002-08-05 Illuminated sign for traffic control and method for functional monitoring of such a sign

Country Status (8)

Country Link
US (1) US7129856B2 (hu)
EP (1) EP1417864B1 (hu)
AT (1) ATE315885T1 (hu)
CA (1) CA2457620A1 (hu)
DE (2) DE10140331C2 (hu)
HU (1) HUP0401026A2 (hu)
NO (1) NO20040669L (hu)
WO (1) WO2003017728A1 (hu)

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DE102005042797B4 (de) * 2005-09-08 2008-02-14 Siemens Ag Signalgeber für eine Lichtsignalanlage
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Also Published As

Publication number Publication date
EP1417864A1 (de) 2004-05-12
US7129856B2 (en) 2006-10-31
ATE315885T1 (de) 2006-02-15
DE50205600D1 (de) 2006-04-06
DE10140331C2 (de) 2003-11-06
NO20040669L (no) 2004-02-16
CA2457620A1 (en) 2003-02-27
WO2003017728A1 (de) 2003-02-27
EP1417864B1 (de) 2006-01-11
DE10140331A1 (de) 2003-04-03
US20040201496A1 (en) 2004-10-14

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Legal Events

Date Code Title Description
FD9A Lapse of provisional protection due to non-payment of fees