FR550435A - Lighthouse not emitting light rays above a horizontal plane - Google Patents

Lighthouse not emitting light rays above a horizontal plane

Info

Publication number
FR550435A
FR550435A FR550435DA FR550435A FR 550435 A FR550435 A FR 550435A FR 550435D A FR550435D A FR 550435DA FR 550435 A FR550435 A FR 550435A
Authority
FR
France
Prior art keywords
lighthouse
horizontal plane
light rays
emitting light
rays above
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.)
Sev Marchal
Original Assignee
Sev Marchal
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 Sev Marchal filed Critical Sev Marchal
Application granted granted Critical
Publication of FR550435A publication Critical patent/FR550435A/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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • 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
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/36—Combinations of two or more separate reflectors
    • 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
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/37—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors characterised by their material, surface treatment or coatings
    • 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
    • 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
    • F21S41/47—Attachment thereof
    • 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)
FR550435D 1922-04-21 1922-04-21 Lighthouse not emitting light rays above a horizontal plane Expired FR550435A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR550435T 1922-04-21

Publications (1)

Publication Number Publication Date
FR550435A true FR550435A (en) 1923-03-09

Family

ID=8936191

Family Applications (1)

Application Number Title Priority Date Filing Date
FR550435D Expired FR550435A (en) 1922-04-21 1922-04-21 Lighthouse not emitting light rays above a horizontal plane

Country Status (1)

Country Link
FR (1) FR550435A (en)

Similar Documents

Publication Publication Date Title
FR550435A (en) Lighthouse not emitting light rays above a horizontal plane
FR550434A (en) Headlights not emitting light rays above a horizontal plane
FR28903E (en) Automatic gun
FR554500A (en) Automatic rifle
FR552304A (en) Light tube
FR29143E (en) Light signal
FR546929A (en) Light reflector
ES81897A1 (en) A transparent mirror by the arrangement on its reverse of its luminous moat.
ES81522A2 (en) A lighting system with effects analogous to daylight.
ES81476A3 (en) A lighting system with effects analogous to daylight.
FR553093A (en) Light switch
FR549888A (en) Light switch
FR546977A (en) Light switch
FR571734A (en) Aerial light advertising
FR564862A (en) Light fountain
FR549712A (en) Light decoration device
FR592358A (en) Light switch
FR614844A (en) Light switch
FR562693A (en) Indicator light
FI9480A (en) A way to repair burnt out light bulbs
ES77338A1 (en) A sight glass.
CA218580A (en) Flash light
CA224739A (en) Flash light
ES89858A1 (en) A carburetor.
DK32709C (en) Light advertising lamp with changing Colors.