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FR45577E - Perfectionnement aux projecteurs - Google Patents

Perfectionnement aux projecteurs

Info

Publication number
FR45577E
FR45577E FR45577DA FR45577E FR 45577 E FR45577 E FR 45577E FR 45577D A FR45577D A FR 45577DA FR 45577 E FR45577 E FR 45577E
Authority
FR
France
Prior art keywords
projector
training
projector training
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
English (en)
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.)
Maison Breguet SA
Original Assignee
Maison Breguet SA
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 Maison Breguet SA filed Critical Maison Breguet SA
Application granted granted Critical
Publication of FR45577E publication Critical patent/FR45577E/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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B31/00—Electric arc lamps
    • H05B31/02—Details
    • H05B31/18—Mountings for electrodes; Electrode feeding devices

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR45577D 1934-04-07 1934-04-07 Perfectionnement aux projecteurs Expired FR45577E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR45577T 1934-04-07

Publications (1)

Publication Number Publication Date
FR45577E true FR45577E (fr) 1935-10-17

Family

ID=8681303

Family Applications (1)

Application Number Title Priority Date Filing Date
FR45577D Expired FR45577E (fr) 1934-04-07 1934-04-07 Perfectionnement aux projecteurs

Country Status (1)

Country Link
FR (1) FR45577E (fr)

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