FR2148434A1 - - Google Patents

Info

Publication number
FR2148434A1
FR2148434A1 FR7226882A FR7226882A FR2148434A1 FR 2148434 A1 FR2148434 A1 FR 2148434A1 FR 7226882 A FR7226882 A FR 7226882A FR 7226882 A FR7226882 A FR 7226882A FR 2148434 A1 FR2148434 A1 FR 2148434A1
Authority
FR
France
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
FR7226882A
Other languages
French (fr)
Other versions
FR2148434B1 (en
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.)
Lucas Electrical Co Ltd
Original Assignee
Lucas Electrical Co Ltd
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 Lucas Electrical Co Ltd filed Critical Lucas Electrical Co Ltd
Publication of FR2148434A1 publication Critical patent/FR2148434A1/fr
Application granted granted Critical
Publication of FR2148434B1 publication Critical patent/FR2148434B1/fr
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
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
FR7226882A 1971-08-06 1972-07-26 Expired FR2148434B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3703171A GB1387589A (en) 1971-08-06 1971-08-06 Lenses

Publications (2)

Publication Number Publication Date
FR2148434A1 true FR2148434A1 (en) 1973-03-23
FR2148434B1 FR2148434B1 (en) 1976-01-16

Family

ID=10393179

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7226882A Expired FR2148434B1 (en) 1971-08-06 1972-07-26

Country Status (6)

Country Link
AU (1) AU470060B2 (en)
DE (1) DE2236167C2 (en)
ES (1) ES405829A1 (en)
FR (1) FR2148434B1 (en)
GB (1) GB1387589A (en)
IT (1) IT974630B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1546805A (en) * 1975-09-20 1979-05-31 Lucas Industries Ltd Method of manufacturing a mould for producing a lens element and mould manufactured by that method
US4198182A (en) * 1975-09-20 1980-04-15 Lucas Industries Limited Method of manufacturing a mould for producing a lamp lens element
US4332438A (en) * 1979-03-23 1982-06-01 Lucas Industries Limited Lens element
DE10210780A1 (en) * 2002-03-12 2004-04-08 Hella Kg Hueck & Co. Interior light for vehicles with a lens
DE102004042125B4 (en) * 2004-08-30 2008-05-08 Schefenacker Vision Systems Germany Gmbh & Co. Kg Lighting unit with a large number of curved surface elements
WO2015155993A1 (en) * 2014-04-11 2015-10-15 株式会社クラレ Method for designing light diffusion pattern, method for manufacturing light diffusion plate, and light diffusion plate

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2137079A (en) * 1935-11-22 1938-11-15 Gen Motors Corp Lens
US2890627A (en) * 1950-03-04 1959-06-16 Gen Motors Corp Method for making lens mold
US2758200A (en) * 1950-07-22 1956-08-07 Holophane Co Inc Light transmitters and diffusers
AT247456B (en) * 1963-07-15 1966-06-10 Austrolux Wiener Elektro Glass, in particular artificial glass for lighting
DE1447102A1 (en) * 1964-11-21 1969-07-10 Vni Swetotechnitscheskij I Diffuser for lights with reflective optics
GB1301659A (en) * 1969-05-12 1973-01-04

Also Published As

Publication number Publication date
DE2236167A1 (en) 1973-02-15
IT974630B (en) 1974-07-10
AU470060B2 (en) 1976-03-04
DE2236167C2 (en) 1984-02-09
AU4471372A (en) 1974-02-07
ES405829A1 (en) 1976-01-16
FR2148434B1 (en) 1976-01-16
GB1387589A (en) 1975-03-19

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Legal Events

Date Code Title Description
ST Notification of lapse