FR462149A - Dispositif de protection des miroirs de projecteurs - Google Patents

Dispositif de protection des miroirs de projecteurs

Info

Publication number
FR462149A
FR462149A FR462149A FR462149DA FR462149A FR 462149 A FR462149 A FR 462149A FR 462149 A FR462149 A FR 462149A FR 462149D A FR462149D A FR 462149DA FR 462149 A FR462149 A FR 462149A
Authority
FR
France
Prior art keywords
protection device
mirror protection
projector mirror
projector
protection
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
FR462149A
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.)
BARBIER SOC
Original Assignee
BARBIER SOC
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 BARBIER SOC filed Critical BARBIER SOC
Application granted granted Critical
Publication of FR462149A publication Critical patent/FR462149A/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
    • H05B31/36—Electric arc lamps having two electrodes in line

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR462149A 1913-09-03 1913-09-03 Dispositif de protection des miroirs de projecteurs Expired FR462149A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR462149T 1913-09-03

Publications (1)

Publication Number Publication Date
FR462149A true FR462149A (fr) 1914-01-20

Family

ID=1501358

Family Applications (1)

Application Number Title Priority Date Filing Date
FR462149A Expired FR462149A (fr) 1913-09-03 1913-09-03 Dispositif de protection des miroirs de projecteurs

Country Status (1)

Country Link
FR (1) FR462149A (fr)

Similar Documents

Publication Publication Date Title
FR462149A (fr) Dispositif de protection des miroirs de projecteurs
FR454554A (fr) Dispositif de protection pour arbres
FR453856A (fr) Dispositif de miroir à deux faces pivotantes
FR467722A (fr) Dispositif pour la protection des arbres
FR458608A (fr) Dispositif fixe-manches
FR461827A (fr) Dispositif chasse-clavettes
FR453679A (fr) Dispositif perfectionné de blaireau
FR462879A (fr) Dispositif de sauvetage
FR455772A (fr) Dispositif perfectionné de broche-montre
FR511805A (fr) Projecteur
FR459060A (fr) Dispositif de blocage absolu
FR452894A (fr) Dispositif de publicité
FR466704A (fr) Appareil de projection cinématographique
FR471380A (fr) Dispositif anti-inductif
CH62219A (de) Augenschützer
FR456822A (fr) Dispositif de sécurité pour appareils cinématographiques
FR456656A (fr) Dispositif protecteur des crapaudines
FR470703A (fr) Dispositif de plombage
FR471746A (fr) Dispositif de sureté pour cinématographes
FR473503A (fr) Dispositif de réclame
FR467814A (fr) Dispositif de publicité
CH65100A (de) Fitzvorrichtung an Weifen
FR431789A (fr) Dispositif fumivore
FR436235A (fr) Dispositif fumivore
FR450408A (fr) Dispositif de compteur