FR845425A - Darkening system intended to be combined with fixed or mobile light sources in order to mask them from the views of an aerial or terrestrial observer - Google Patents

Darkening system intended to be combined with fixed or mobile light sources in order to mask them from the views of an aerial or terrestrial observer

Info

Publication number
FR845425A
FR845425A FR845425DA FR845425A FR 845425 A FR845425 A FR 845425A FR 845425D A FR845425D A FR 845425DA FR 845425 A FR845425 A FR 845425A
Authority
FR
France
Prior art keywords
aerial
mask
views
combined
light sources
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)
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.)
GUICHERD ETS
Original Assignee
GUICHERD ETS
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 GUICHERD ETS filed Critical GUICHERD ETS
Application granted granted Critical
Publication of FR845425A publication Critical patent/FR845425A/en
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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/08—Controlling the distribution of the light emitted by adjustment of elements by movement of the screens or filters
    • 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
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR845425D 1938-04-26 1938-04-26 Darkening system intended to be combined with fixed or mobile light sources in order to mask them from the views of an aerial or terrestrial observer Expired FR845425A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR845425T 1938-04-26

Publications (1)

Publication Number Publication Date
FR845425A true FR845425A (en) 1939-08-23

Family

ID=9312837

Family Applications (1)

Application Number Title Priority Date Filing Date
FR845425D Expired FR845425A (en) 1938-04-26 1938-04-26 Darkening system intended to be combined with fixed or mobile light sources in order to mask them from the views of an aerial or terrestrial observer

Country Status (1)

Country Link
FR (1) FR845425A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2518505A (en) * 1944-03-31 1950-08-15 Jr Ray P Teele Headlamp for motor vehicles
DE754363C (en) * 1942-12-06 1953-02-16 Bosch Gmbh Robert Darkening device for vehicle headlights

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE754363C (en) * 1942-12-06 1953-02-16 Bosch Gmbh Robert Darkening device for vehicle headlights
US2518505A (en) * 1944-03-31 1950-08-15 Jr Ray P Teele Headlamp for motor vehicles

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