FR852829A - Device for reducing the light rays emitted by a dazzling source - Google Patents

Device for reducing the light rays emitted by a dazzling source

Info

Publication number
FR852829A
FR852829A FR852829DA FR852829A FR 852829 A FR852829 A FR 852829A FR 852829D A FR852829D A FR 852829DA FR 852829 A FR852829 A FR 852829A
Authority
FR
France
Prior art keywords
reducing
light rays
rays emitted
dazzling source
dazzling
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
Other languages
French (fr)
Inventor
Henri Fernand Defrance
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 filed Critical
Application granted granted Critical
Publication of FR852829A publication Critical patent/FR852829A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/16—Shades; shields; Obturators, e.g. with pinhole, with slot

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR852829D 1939-04-07 1939-04-07 Device for reducing the light rays emitted by a dazzling source Expired FR852829A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR852829T 1939-04-07

Publications (1)

Publication Number Publication Date
FR852829A true FR852829A (en) 1940-03-04

Family

ID=9326808

Family Applications (1)

Application Number Title Priority Date Filing Date
FR852829D Expired FR852829A (en) 1939-04-07 1939-04-07 Device for reducing the light rays emitted by a dazzling source

Country Status (1)

Country Link
FR (1) FR852829A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3048330A1 (en) * 1980-12-20 1982-07-01 Zbigniew 8240 Berchtesgaden Mroczkowski SNOW GLASSES
FR2617990A1 (en) * 1987-07-07 1989-01-13 Siegfried Klein APPARATUS FOR THE VIEW

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3048330A1 (en) * 1980-12-20 1982-07-01 Zbigniew 8240 Berchtesgaden Mroczkowski SNOW GLASSES
FR2617990A1 (en) * 1987-07-07 1989-01-13 Siegfried Klein APPARATUS FOR THE VIEW
EP0299844A1 (en) * 1987-07-07 1989-01-18 Commissariat A L'energie Atomique Viewing apparatus
US4842400A (en) * 1987-07-07 1989-06-27 Commissariat A L'energie Atomique Visual apparatus

Similar Documents

Publication Publication Date Title
FR852829A (en) Device for reducing the light rays emitted by a dazzling source
FR857826A (en) Light reflector for linear source
FR877445A (en) Lamp device
FR888757A (en) Tilting projector with light source influenced by its position
FR821968A (en) Regulator for shredders, controlled by a device measuring the noise emitted
FR858569A (en) screen for light sources
FR865069A (en) Light projector device
BE447717A (en) Blackout device for light projectors, in particular for hand lanterns.
FR864381A (en) Light mine for nets
ES147265A1 (en) A projector with adjustment device to place the light source in its focus.
DK47434C (en) Shielding device for reflector lamps.
FR864177A (en) Light torch
FR886530A (en) Device for automatic comparison of the intensities of two beams of light rays
FR866700A (en) Light recomposition device
FR846611A (en) Lighting device for light columns
FR47591E (en) Device for controlling a light source
FR868475A (en) Modulation device for reflector installations
FR854564A (en) Light projector
FR830389A (en) Fractured light reflector
DK58541C (en) Light reflector system.
FR831657A (en) Projector with adjustment device to put the light source in its focus
FR857286A (en) screen for fixed or cinematographic light projections
GR8821B (en) IMAGES FOR PROJECTING A LIGHTING LIGHT AS A SUITABLE FOR THIS PROJECTION DEVICE.
FR48132E (en) Lamp holder for light bulbs
FR863865A (en) Position light for vehicles