DE2001087B2 - DEVICE TO ELIMINATE THE PHANTOM LIGHT EFFECT IN LIGHT SIGNALS - Google Patents

DEVICE TO ELIMINATE THE PHANTOM LIGHT EFFECT IN LIGHT SIGNALS

Info

Publication number
DE2001087B2
DE2001087B2 DE19702001087 DE2001087A DE2001087B2 DE 2001087 B2 DE2001087 B2 DE 2001087B2 DE 19702001087 DE19702001087 DE 19702001087 DE 2001087 A DE2001087 A DE 2001087A DE 2001087 B2 DE2001087 B2 DE 2001087B2
Authority
DE
Germany
Prior art keywords
eliminate
light
phantom
effect
signals
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
DE19702001087
Other languages
German (de)
Other versions
DE2001087A1 (en
DE2001087C3 (en
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 filed Critical
Priority to DE19702001087 priority Critical patent/DE2001087C3/en
Priority to AT1035570A priority patent/AT304311B/en
Priority to CH1885570A priority patent/CH521648A/en
Priority to FR7100319A priority patent/FR2083023A5/fr
Priority to BE761380A priority patent/BE761380A/en
Priority to SE28471A priority patent/SE358948B/xx
Publication of DE2001087A1 publication Critical patent/DE2001087A1/en
Priority to AT485872A priority patent/AT316364B/en
Publication of DE2001087B2 publication Critical patent/DE2001087B2/en
Application granted granted Critical
Publication of DE2001087C3 publication Critical patent/DE2001087C3/en
Expired 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
    • 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
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/08—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromatic; for reducing intensity of light
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/1313—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells specially adapted for a particular application
    • 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

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)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Liquid Crystal (AREA)
DE19702001087 1970-01-12 1970-01-12 Device for eliminating the phantom light effect in light signals Expired DE2001087C3 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE19702001087 DE2001087C3 (en) 1970-01-12 1970-01-12 Device for eliminating the phantom light effect in light signals
AT1035570A AT304311B (en) 1970-01-12 1970-11-17 Device for eliminating the phantom light effect in light signals
CH1885570A CH521648A (en) 1970-01-12 1970-12-21 Device on a light signal system to eliminate the phantom light effect, especially in road traffic signal systems and signal lights for railway safety
FR7100319A FR2083023A5 (en) 1970-01-12 1971-01-07
BE761380A BE761380A (en) 1970-01-12 1971-01-08 DEVICE TO REMOVE THE EFFECT OF PARASITE LIGHT IN LIGHT SIGNALS
SE28471A SE358948B (en) 1970-01-12 1971-01-12
AT485872A AT316364B (en) 1970-01-12 1972-06-06 Device for eliminating the phantom light effect in light signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702001087 DE2001087C3 (en) 1970-01-12 1970-01-12 Device for eliminating the phantom light effect in light signals

Publications (3)

Publication Number Publication Date
DE2001087A1 DE2001087A1 (en) 1971-07-22
DE2001087B2 true DE2001087B2 (en) 1973-08-30
DE2001087C3 DE2001087C3 (en) 1974-04-04

Family

ID=5759423

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702001087 Expired DE2001087C3 (en) 1970-01-12 1970-01-12 Device for eliminating the phantom light effect in light signals

Country Status (6)

Country Link
AT (1) AT304311B (en)
BE (1) BE761380A (en)
CH (1) CH521648A (en)
DE (1) DE2001087C3 (en)
FR (1) FR2083023A5 (en)
SE (1) SE358948B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3139849A1 (en) * 1981-10-07 1983-04-21 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Electrical signalling arrangement

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8812322U1 (en) * 1988-09-29 1988-12-08 Rohrer, Emil, 8901 Koenigsbrunn, De

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE559343C (en) 1930-05-16 1932-09-19 Ver Eisenbahn Signalwerke G M Multi-aspect signal
DE740588C (en) 1939-10-12 1943-10-23 Ver Eisenbahn Signalwerke G M Monitoring device for light signal systems with two or more signal aspects controlled by relays

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3139849A1 (en) * 1981-10-07 1983-04-21 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Electrical signalling arrangement

Also Published As

Publication number Publication date
BE761380A (en) 1971-06-16
SE358948B (en) 1973-08-13
DE2001087A1 (en) 1971-07-22
AT304311B (en) 1972-12-27
DE2001087C3 (en) 1974-04-04
CH521648A (en) 1972-04-15
FR2083023A5 (en) 1971-12-10

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee