FR49154E - Optical system for headlights and projectors - Google Patents

Optical system for headlights and projectors

Info

Publication number
FR49154E
FR49154E FR49154DA FR49154E FR 49154 E FR49154 E FR 49154E FR 49154D A FR49154D A FR 49154DA FR 49154 E FR49154 E FR 49154E
Authority
FR
France
Prior art keywords
headlights
projectors
optical system
optical
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
Schaffner
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 FR49154E publication Critical patent/FR49154E/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K9/00Lamps having two or more incandescent bodies separately heated
    • H01K9/08Lamps having two or more incandescent bodies separately heated to provide selectively different light effects, e.g. for automobile headlamp
FR49154D 1937-06-28 1937-06-28 Optical system for headlights and projectors Expired FR49154E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR49154T 1937-06-28

Publications (1)

Publication Number Publication Date
FR49154E true FR49154E (en) 1938-11-28

Family

ID=8684369

Family Applications (1)

Application Number Title Priority Date Filing Date
FR49154D Expired FR49154E (en) 1937-06-28 1937-06-28 Optical system for headlights and projectors

Country Status (1)

Country Link
FR (1) FR49154E (en)

Similar Documents

Publication Publication Date Title
FR844516A (en) Optical projection device
FR49009E (en) Optical system for headlights and projectors
FR49154E (en) Optical system for headlights and projectors
FR47161E (en) Optical system for headlights and projectors
FR755066A (en) Optical system for television devices
FR50754E (en) Optical system for headlights and projectors
FR48208E (en) Optical system for headlights and projectors
FR804667A (en) Optical system for headlights and projectors
FR822741A (en) Complementary optical system for photographic and cinematographic lenses
FR818691A (en) Light deflector for headlights and projectors
FR826624A (en) Optical system for projectors
FR829956A (en) Optical system for bollard light
FR841413A (en) Optical system mount
FR834279A (en) Optical system with condenser lens
FR713853A (en) Lens for non-glare projectors
FR822886A (en) Optical device
FR857286A (en) screen for fixed or cinematographic light projections
FR813311A (en) Optical deflector system
FR817059A (en) Improvement in optical systems for light signals
FR828017A (en) Optical system for stereophotogrammetric restitution devices
FR827979A (en) Optical device for taking and projecting stereoscopic views
FR783634A (en) Color cinematography optical system
FR900834A (en) Optical system
FR970205A (en) Additional system for photographic lens
FR827163A (en) Optics for sound film