DE694291C - - Google Patents

Info

Publication number
DE694291C
DE694291C DE1932B0156324 DEB0156324D DE694291C DE 694291 C DE694291 C DE 694291C DE 1932B0156324 DE1932B0156324 DE 1932B0156324 DE B0156324 D DEB0156324 D DE B0156324D DE 694291 C DE694291 C DE 694291C
Authority
DE
Germany
Prior art keywords
corrugations
disc
prismatic
cylindrical
light bundles
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
DE1932B0156324
Other languages
German (de)
English (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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to DE1932B0156324 priority Critical patent/DE694291C/de
Application granted granted Critical
Publication of DE694291C publication Critical patent/DE694291C/de
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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/28—Cover glass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805
    • 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
    • F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Road Signs Or Road Markings (AREA)
DE1932B0156324 1932-06-25 1932-06-25 Expired DE694291C (OSRAM)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE1932B0156324 DE694291C (OSRAM) 1932-06-25 1932-06-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1932B0156324 DE694291C (OSRAM) 1932-06-25 1932-06-25

Publications (1)

Publication Number Publication Date
DE694291C true DE694291C (OSRAM) 1940-07-29

Family

ID=7003486

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1932B0156324 Expired DE694291C (OSRAM) 1932-06-25 1932-06-25

Country Status (1)

Country Link
DE (1) DE694291C (OSRAM)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1085473B (de) * 1953-08-29 1960-07-21 Inter Patent Co Abdeckscheibe fuer Nebel- und blendfreie Scheinwerfer
DE1127835B (de) * 1956-05-25 1962-04-19 Sendlinger Optische Glaswerke Lichtverteilungsscheibe fuer Scheinwerfer, insbesondere Signalleuchte
US4972307A (en) * 1986-07-10 1990-11-20 Nissan Motor Company, Limited Structure of headlamps for vehicles
US4984144A (en) * 1987-05-08 1991-01-08 Minnesota Mining And Manufacturing Company High aspect ratio light fixture and film for use therein
US5190370A (en) * 1991-08-21 1993-03-02 Minnesota Mining And Manufacturing Company High aspect ratio lighting element
US5949346A (en) * 1995-06-07 1999-09-07 Toyoda Gosei Co., Ltd. Light-driven display device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1085473B (de) * 1953-08-29 1960-07-21 Inter Patent Co Abdeckscheibe fuer Nebel- und blendfreie Scheinwerfer
DE1127835B (de) * 1956-05-25 1962-04-19 Sendlinger Optische Glaswerke Lichtverteilungsscheibe fuer Scheinwerfer, insbesondere Signalleuchte
US4972307A (en) * 1986-07-10 1990-11-20 Nissan Motor Company, Limited Structure of headlamps for vehicles
US4984144A (en) * 1987-05-08 1991-01-08 Minnesota Mining And Manufacturing Company High aspect ratio light fixture and film for use therein
US5190370A (en) * 1991-08-21 1993-03-02 Minnesota Mining And Manufacturing Company High aspect ratio lighting element
US5949346A (en) * 1995-06-07 1999-09-07 Toyoda Gosei Co., Ltd. Light-driven display device

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