EP1118973A3 - Reflexionsschutz für Lichtzeichenanlagen - Google Patents

Reflexionsschutz für Lichtzeichenanlagen Download PDF

Info

Publication number
EP1118973A3
EP1118973A3 EP00108612A EP00108612A EP1118973A3 EP 1118973 A3 EP1118973 A3 EP 1118973A3 EP 00108612 A EP00108612 A EP 00108612A EP 00108612 A EP00108612 A EP 00108612A EP 1118973 A3 EP1118973 A3 EP 1118973A3
Authority
EP
European Patent Office
Prior art keywords
signal
reflection
light
traffic lights
switched
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.)
Withdrawn
Application number
EP00108612A
Other languages
English (en)
French (fr)
Other versions
EP1118973A2 (de
Inventor
Michael Stuefer
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.)
Individual
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
Application filed by Individual filed Critical Individual
Publication of EP1118973A2 publication Critical patent/EP1118973A2/de
Publication of EP1118973A3 publication Critical patent/EP1118973A3/de
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/003—Controlling the distribution of the light emitted by adjustment of elements by interposition of elements with electrically controlled variable light transmissivity, e.g. liquid crystal elements or electrochromic devices
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/095—Traffic lights
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
    • F21W2111/02—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for roads, paths or the like

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Traffic Control Systems (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)

Abstract

Reflexionsschutz für Lichtzeichenanlagen welcher verhindert, daß an ausgeschalteten Signallampen (G, A) Lichtstrahle, welche von außen durch die Abdeckscheiben (4g, 4a) eindringen, durch Reflexion am Reflexionsspiegel (8) und/oder an der, zwecks Lichtbrechung, vorhandenen Lampenoptik nach vorne, in Signalrichtung abgestrahlt werden, indem vor der Lichtquelle (4g, 4a, 4r) und vor dem Reflexionsspiegel (8) eine Verbundscheibe mit elektrochromem Element eingesetzt ist welches elektrisch derart aktivierbar ist, daß an der abgeschalteten Signallampe (G, A) das elektrochrome Element (4e) lichtundurchlässig ist während es an der eingeschalteten Signallampe (R) lichtdurchlässig ist.
EP00108612A 2000-01-18 2000-04-20 Reflexionsschutz für Lichtzeichenanlagen Withdrawn EP1118973A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBZ000001 2000-01-18
ITBZ20000001 IT1316113B1 (it) 2000-01-18 2000-01-18 Dispositivo per oscurare le lampade non attive di un semaforo per ilsicuro riconoscimento della lampada accesa.

Publications (2)

Publication Number Publication Date
EP1118973A2 EP1118973A2 (de) 2001-07-25
EP1118973A3 true EP1118973A3 (de) 2002-04-24

Family

ID=11440836

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00108612A Withdrawn EP1118973A3 (de) 2000-01-18 2000-04-20 Reflexionsschutz für Lichtzeichenanlagen

Country Status (2)

Country Link
EP (1) EP1118973A3 (de)
IT (1) IT1316113B1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10063180A1 (de) * 2000-12-18 2002-06-27 Bayer Ag Vorrichtung zur Erzeugung von Lichtsignalen
US20100079992A1 (en) * 2006-12-15 2010-04-01 Koninklijke Philips Electronics N.V. Lighting device and light therapy device associated therewith
DE102009022225A1 (de) * 2009-05-20 2010-11-25 Zumtobel Lighting Gmbh Beleuchtungsanordnung mit veränderbarem Lichtbeeinflussungselement
DE102011080047A1 (de) * 2011-07-28 2013-01-31 Siemens Aktiengesellschaft Lichtsignal
DE102013203124A1 (de) 2013-02-26 2014-08-28 Siemens Aktiengesellschaft Schienenfahrzeug mit einer Tachometer-Geschwindigkeitsanzeigeeinrichtung und Verfahren zum Betreiben eines solchen Schienenfahrzeugs
DE202015102523U1 (de) * 2015-05-18 2016-08-22 Hanning & Kahl Gmbh & Co. Kg Signalgeber für Lichtsignalanlagen
DE102018201374B3 (de) 2018-01-30 2019-03-21 Bayerische Motoren Werke Aktiengesellschaft Absorbervorrichtung für eine Lichtzeichenanlage und Absorbervorrichtungs-Assistenzsystem für ein Fahrzeug

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4887890A (en) * 1986-12-20 1989-12-19 Dornier System Gmbh Controlled transparency
US5412492A (en) * 1991-11-05 1995-05-02 Magnascreen Corporation Electro-optical lens assembly
EP0961156A2 (de) * 1998-05-29 1999-12-01 Bayer Ag Elektrochrome Anordnung mit Gel-Elektrolyt und UV-Schutz

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4887890A (en) * 1986-12-20 1989-12-19 Dornier System Gmbh Controlled transparency
US5412492A (en) * 1991-11-05 1995-05-02 Magnascreen Corporation Electro-optical lens assembly
EP0961156A2 (de) * 1998-05-29 1999-12-01 Bayer Ag Elektrochrome Anordnung mit Gel-Elektrolyt und UV-Schutz

Also Published As

Publication number Publication date
ITBZ20000001A1 (it) 2001-07-18
IT1316113B1 (it) 2003-03-28
EP1118973A2 (de) 2001-07-25

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