FR491810A - Dispositif pour transformer instantanément un phare en un fanal, et vice versa - Google Patents

Dispositif pour transformer instantanément un phare en un fanal, et vice versa

Info

Publication number
FR491810A
FR491810A FR491810A FR491810DA FR491810A FR 491810 A FR491810 A FR 491810A FR 491810 A FR491810 A FR 491810A FR 491810D A FR491810D A FR 491810DA FR 491810 A FR491810 A FR 491810A
Authority
FR
France
Prior art keywords
lighthouse
lantern
vice versa
instantly
transforming
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
FR491810A
Other languages
English (en)
Inventor
Roberto Bellipanni
Alfredo De Luca
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.)
ROBERTO BELLIPANNI
Original Assignee
ROBERTO BELLIPANNI
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 ROBERTO BELLIPANNI filed Critical ROBERTO BELLIPANNI
Application granted granted Critical
Publication of FR491810A publication Critical patent/FR491810A/fr
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
    • 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
    • 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
    • F21V7/09—Optical design with a combination of different curvatures

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR491810A 1915-05-04 1916-04-28 Dispositif pour transformer instantanément un phare en un fanal, et vice versa Expired FR491810A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT491810X 1915-05-04

Publications (1)

Publication Number Publication Date
FR491810A true FR491810A (fr) 1919-06-19

Family

ID=1527771

Family Applications (1)

Application Number Title Priority Date Filing Date
FR491810A Expired FR491810A (fr) 1915-05-04 1916-04-28 Dispositif pour transformer instantanément un phare en un fanal, et vice versa

Country Status (1)

Country Link
FR (1) FR491810A (fr)

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