GB460666A - Improvements in or relating to vehicle lamps, searchlights or the like for the penetration of fog - Google Patents

Improvements in or relating to vehicle lamps, searchlights or the like for the penetration of fog

Info

Publication number
GB460666A
GB460666A GB22716/35A GB2271635A GB460666A GB 460666 A GB460666 A GB 460666A GB 22716/35 A GB22716/35 A GB 22716/35A GB 2271635 A GB2271635 A GB 2271635A GB 460666 A GB460666 A GB 460666A
Authority
GB
United Kingdom
Prior art keywords
lamp
plane
polarized
light
fitting
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
GB22716/35A
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.)
LESLIE RENESON UNDERWOOD
Original Assignee
LESLIE RENESON UNDERWOOD
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 LESLIE RENESON UNDERWOOD filed Critical LESLIE RENESON UNDERWOOD
Priority to GB22716/35A priority Critical patent/GB460666A/en
Publication of GB460666A publication Critical patent/GB460666A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/12—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of emitted light
    • F21S41/135—Polarised

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

460,666. Optical polarizing-apparatus. UNDERWOOD, L. R. May 28, 1935, No. 22716. Divided out of 457,443. [Class 97 (i)] [Also in Group XI] In a vehicle lamp, searchlight, or other lamp emitting a concentrated beam of light, substantially the whole of the light emitted by the lamp bulb and concentrated by the lamp reflector is plane polarized substantially horizontally. A self-contained fitting, attached to the front of the lamp casing, plane polarizes the light horizontally. The lamp and its front fitting may be constructed similarly to those described in Specification 457,443, the prisms of the front fitting running horizontally instead of at 45‹ to the horizontal. The front fitting may be rotatably adjustable. In another form, shown in Fig. 8, plates 13, 14 formed as a series of convex and concave cylindrical lenses respectively, together stratify the beam into a number of narrow parallel beams, each of which impinges on a slat 17 which is a polarizer composed of a pile of films. Between the slats 17 are parallel reflectors 18. The slats transmit beam components polarized in one plane, and reflect beam components polarized in planes at right-angles onto the reflectors 18, which reflect them forwardly. Mica strips 19 are arranged in the paths of either set of these beams to rotate the plane of polarization so that all the light projected is polarized in the same plane.
GB22716/35A 1935-05-28 1935-05-28 Improvements in or relating to vehicle lamps, searchlights or the like for the penetration of fog Expired GB460666A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB22716/35A GB460666A (en) 1935-05-28 1935-05-28 Improvements in or relating to vehicle lamps, searchlights or the like for the penetration of fog

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB22716/35A GB460666A (en) 1935-05-28 1935-05-28 Improvements in or relating to vehicle lamps, searchlights or the like for the penetration of fog

Publications (1)

Publication Number Publication Date
GB460666A true GB460666A (en) 1937-01-28

Family

ID=10183956

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22716/35A Expired GB460666A (en) 1935-05-28 1935-05-28 Improvements in or relating to vehicle lamps, searchlights or the like for the penetration of fog

Country Status (1)

Country Link
GB (1) GB460666A (en)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2449287A (en) * 1946-09-23 1948-09-14 Merrill M Flood Polarizing beam-splitting prism
US2453379A (en) * 1943-09-28 1948-11-09 Alvin M Marks Multiply angle selective polarizer
US2453194A (en) * 1946-03-07 1948-11-09 Polaroid Corp Light polarizing headlight lamination
US2492809A (en) * 1938-11-16 1949-12-27 Alvin M Marks Unitary multiply polarizer
US2519387A (en) * 1950-08-22 Glake free lighting device
US2748659A (en) * 1951-02-26 1956-06-05 Jenaer Glaswerk Schott & Gen Light source, searchlight or the like for polarized light
US2810324A (en) * 1954-12-02 1957-10-22 Marks Polarized Corp Light polarizing illuminating device
US2821114A (en) * 1952-04-16 1958-01-28 Pola Lux Ges Fur Blendschutz A Symmetrical interference polarizers
US2868076A (en) * 1952-05-17 1959-01-13 Jenaer Glaswerk Schott & Gen Polarizer for producing uniformly polarized light with aid of interference polarizers and phase retarders
US2887566A (en) * 1952-11-14 1959-05-19 Marks Polarized Corp Glare-eliminating optical system
US3069974A (en) * 1959-11-12 1962-12-25 Alvin M Murks Multi-layered light polarizers
US3508809A (en) * 1967-12-29 1970-04-28 Rca Corp High efficiency light polarization system
US3515457A (en) * 1968-01-12 1970-06-02 Bell Telephone Labor Inc Magnetically-controlled beam deflector
US4722023A (en) * 1984-05-15 1988-01-26 Koito Seisakusho Co., Ltd. Lamp assembly for emitting a beam of light at an angle to its optical axis
US4746201A (en) * 1967-03-06 1988-05-24 Gordon Gould Polarizing apparatus employing an optical element inclined at brewster's angle
WO2010129393A1 (en) * 2009-04-30 2010-11-11 3M Innovative Properties Company Task light with glare control member
WO2015063512A1 (en) * 2013-11-04 2015-05-07 Wells Simon Robert Fog light systems
CN110873315A (en) * 2018-08-13 2020-03-10 现代自动车株式会社 Lighting device for vehicle

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2519387A (en) * 1950-08-22 Glake free lighting device
US2492809A (en) * 1938-11-16 1949-12-27 Alvin M Marks Unitary multiply polarizer
US2453379A (en) * 1943-09-28 1948-11-09 Alvin M Marks Multiply angle selective polarizer
US2453194A (en) * 1946-03-07 1948-11-09 Polaroid Corp Light polarizing headlight lamination
US2449287A (en) * 1946-09-23 1948-09-14 Merrill M Flood Polarizing beam-splitting prism
US2748659A (en) * 1951-02-26 1956-06-05 Jenaer Glaswerk Schott & Gen Light source, searchlight or the like for polarized light
US2821114A (en) * 1952-04-16 1958-01-28 Pola Lux Ges Fur Blendschutz A Symmetrical interference polarizers
US2868076A (en) * 1952-05-17 1959-01-13 Jenaer Glaswerk Schott & Gen Polarizer for producing uniformly polarized light with aid of interference polarizers and phase retarders
US2887566A (en) * 1952-11-14 1959-05-19 Marks Polarized Corp Glare-eliminating optical system
US2810324A (en) * 1954-12-02 1957-10-22 Marks Polarized Corp Light polarizing illuminating device
US3069974A (en) * 1959-11-12 1962-12-25 Alvin M Murks Multi-layered light polarizers
US4746201A (en) * 1967-03-06 1988-05-24 Gordon Gould Polarizing apparatus employing an optical element inclined at brewster's angle
US3508809A (en) * 1967-12-29 1970-04-28 Rca Corp High efficiency light polarization system
US3515457A (en) * 1968-01-12 1970-06-02 Bell Telephone Labor Inc Magnetically-controlled beam deflector
US4722023A (en) * 1984-05-15 1988-01-26 Koito Seisakusho Co., Ltd. Lamp assembly for emitting a beam of light at an angle to its optical axis
WO2010129393A1 (en) * 2009-04-30 2010-11-11 3M Innovative Properties Company Task light with glare control member
CN102449388A (en) * 2009-04-30 2012-05-09 3M创新有限公司 Task light with glare control member
US8201956B2 (en) 2009-04-30 2012-06-19 3M Innovative Properties Company Task light
TWI560396B (en) * 2009-04-30 2016-12-01 3M Innovative Properties Co Task light
WO2015063512A1 (en) * 2013-11-04 2015-05-07 Wells Simon Robert Fog light systems
CN110873315A (en) * 2018-08-13 2020-03-10 现代自动车株式会社 Lighting device for vehicle
CN110873315B (en) * 2018-08-13 2023-07-28 现代自动车株式会社 Lighting device for vehicle

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