GB1543172A - Traffic light signal device - Google Patents

Traffic light signal device

Info

Publication number
GB1543172A
GB1543172A GB1282876A GB1282876A GB1543172A GB 1543172 A GB1543172 A GB 1543172A GB 1282876 A GB1282876 A GB 1282876A GB 1282876 A GB1282876 A GB 1282876A GB 1543172 A GB1543172 A GB 1543172A
Authority
GB
United Kingdom
Prior art keywords
light signal
traffic light
signal device
traffic
signal
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.)
Expired
Application number
GB1282876A
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.)
KULKA T
Original Assignee
KULKA T
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 KULKA T filed Critical KULKA T
Publication of GB1543172A publication Critical patent/GB1543172A/en
Expired legal-status Critical Current

Links

Classifications

    • 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)
  • Traffic Control Systems (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Road Signs Or Road Markings (AREA)
GB1282876A 1975-03-31 1976-03-30 Traffic light signal device Expired GB1543172A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US56332275A 1975-03-31 1975-03-31

Publications (1)

Publication Number Publication Date
GB1543172A true GB1543172A (en) 1979-03-28

Family

ID=24250037

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1282876A Expired GB1543172A (en) 1975-03-31 1976-03-30 Traffic light signal device

Country Status (9)

Country Link
JP (1) JPS51121289A (en)
BE (1) BE840170A (en)
CA (1) CA1062676A (en)
CH (1) CH613547A5 (en)
DE (1) DE2613521A1 (en)
FR (1) FR2306490A1 (en)
GB (1) GB1543172A (en)
IT (1) IT1057817B (en)
NL (1) NL7603284A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2220737A (en) * 1988-07-15 1990-01-17 Edward Vincent Durrington Furniture

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2433155A1 (en) * 1978-08-11 1980-03-07 Otic Fischer & Porter Ancillary PMMA lenses for illuminated lamps such as traffic lights - to support spurious brilliance due to external reflections
FR2463464A1 (en) * 1979-08-16 1981-02-20 Guis Paul Optical device for road sign or vehicle signal lamp - uses perforated diffuser plate to provide increased brightness allowing use of smaller lamp
FR2572035B1 (en) * 1984-10-19 1987-01-09 Signal Vision Sa LIGHTING RING CIGAR LIGHTER
JP2528420B2 (en) * 1992-07-02 1996-08-28 信号電材株式会社 External light reflection prevention device for signal lights
DE19752016A1 (en) * 1997-11-24 1998-09-24 Wilfried Moselt Road traffic signal lights with improved visibility in sunlight
DE20305259U1 (en) 2003-04-02 2003-06-05 Wittmann, Manuel, 70794 Filderstadt Shade system for signal lamps, consists of set of thin laminas arranged in front of lamp glass to prevent sunlight shining directly on glass
WO2020220089A1 (en) 2019-05-02 2020-11-05 ESKP3 Pty Ltd Improved traffic light assembly

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE602366C (en) * 1934-09-06 Arnold Loebl Housing for traffic signs, especially for motor vehicles
FR615024A (en) * 1926-04-24 1926-12-28 Kirby Inc Lighting method and apparatus
DE915522C (en) * 1951-08-26 1954-07-22 Kaessbohrer Fahrzeug Karl Shield with parts of different light transmission among each other
US2842881A (en) * 1956-02-27 1958-07-15 John B Vidach Illuminated sign
US3137449A (en) * 1959-10-29 1964-06-16 Marbelite Company Inc Signal
GB954103A (en) * 1961-12-11 1964-04-02 Ici Ltd Display panels
FR1541043A (en) * 1966-08-10 1968-10-04 Minnesota Mining & Mfg Signaling device, especially for roads
US3435203A (en) * 1968-01-04 1969-03-25 Oscar W Reading Color filter for light bulbs
US3768070A (en) * 1972-03-23 1973-10-23 L Lawton Two color pedestrian traffic signal with means for improving color rendition

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2220737A (en) * 1988-07-15 1990-01-17 Edward Vincent Durrington Furniture

Also Published As

Publication number Publication date
NL7603284A (en) 1976-10-04
JPS51121289A (en) 1976-10-23
CA1062676A (en) 1979-09-18
CH613547A5 (en) 1979-09-28
IT1057817B (en) 1982-03-30
DE2613521A1 (en) 1976-10-14
FR2306490A1 (en) 1976-10-29
BE840170A (en) 1976-09-29

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee