IT1057817B - LENS FOR TRAFFIC LIGHTS - Google Patents

LENS FOR TRAFFIC LIGHTS

Info

Publication number
IT1057817B
IT1057817B IT6774076A IT6774076A IT1057817B IT 1057817 B IT1057817 B IT 1057817B IT 6774076 A IT6774076 A IT 6774076A IT 6774076 A IT6774076 A IT 6774076A IT 1057817 B IT1057817 B IT 1057817B
Authority
IT
Italy
Prior art keywords
lens
traffic lights
lights
traffic
Prior art date
Application number
IT6774076A
Other languages
Italian (it)
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
Application granted granted Critical
Publication of IT1057817B publication Critical patent/IT1057817B/en

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)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Road Signs Or Road Markings (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Traffic Control Systems (AREA)
IT6774076A 1975-03-31 1976-03-30 LENS FOR TRAFFIC LIGHTS IT1057817B (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
IT1057817B true IT1057817B (en) 1982-03-30

Family

ID=24250037

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6774076A IT1057817B (en) 1975-03-31 1976-03-30 LENS FOR TRAFFIC LIGHTS

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)

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
GB8816904D0 (en) * 1988-07-15 1988-08-17 Durrington E V Furniture
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
US11615704B2 (en) 2019-05-02 2023-03-28 Eskp3 Pty. Ltd. 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

Also Published As

Publication number Publication date
BE840170A (en) 1976-09-29
JPS51121289A (en) 1976-10-23
GB1543172A (en) 1979-03-28
FR2306490A1 (en) 1976-10-29
DE2613521A1 (en) 1976-10-14
CH613547A5 (en) 1979-09-28
NL7603284A (en) 1976-10-04
CA1062676A (en) 1979-09-18

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