BE770241A - Perfectionnements aux projecteurs, - Google Patents

Perfectionnements aux projecteurs,

Info

Publication number
BE770241A
BE770241A BE770241A BE770241A BE770241A BE 770241 A BE770241 A BE 770241A BE 770241 A BE770241 A BE 770241A BE 770241 A BE770241 A BE 770241A BE 770241 A BE770241 A BE 770241A
Authority
BE
Belgium
Prior art keywords
projectors
advanced
advanced projectors
Prior art date
Application number
BE770241A
Other languages
English (en)
Original Assignee
Backer Jean De
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 Backer Jean De filed Critical Backer Jean De
Priority to BE770241A priority Critical patent/BE770241A/fr
Publication of BE770241A publication Critical patent/BE770241A/fr

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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/30—Pivoted housings or frames
    • 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
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • F21V15/013—Housings, e.g. material or assembling of housing parts the housing being an extrusion
    • 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
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • 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
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/105—Outdoor lighting of arenas or the like
    • 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
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/107—Outdoor lighting of the exterior of buildings
    • 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
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • 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
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/406—Lighting for industrial, commercial, recreational or military use for theatres, stages or film studios

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
BE770241A 1971-07-20 1971-07-20 Perfectionnements aux projecteurs, BE770241A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BE770241A BE770241A (fr) 1971-07-20 1971-07-20 Perfectionnements aux projecteurs,

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE770241A BE770241A (fr) 1971-07-20 1971-07-20 Perfectionnements aux projecteurs,

Publications (1)

Publication Number Publication Date
BE770241A true BE770241A (fr) 1972-01-20

Family

ID=3858430

Family Applications (1)

Application Number Title Priority Date Filing Date
BE770241A BE770241A (fr) 1971-07-20 1971-07-20 Perfectionnements aux projecteurs,

Country Status (1)

Country Link
BE (1) BE770241A (fr)

Similar Documents

Publication Publication Date Title
DK128632B (da) Hovedbeklædning.
CH558663A (de) Ballschlaeger.
NO137774C (no) Anestesi-apparat.
BE788915A (fr) Projecteur
NL163446C (nl) Lintzaagmachine.
BR7208177D0 (pt) Transmissao
CH554480A (de) Harmonikatuere.
BE778793A (fr) Perfectionnements relatifs aux echelles
BE792527A (fr) Perfectionnements aux incinerateurs
CH547567A (de) Turbogenerater.
BE782885A (fr) Perfectionnements aux ventilateurs
ES176009Y (es) Un obturador irrellenable.
NL159832B (nl) Instelwaardegever.
CH547151A (de) Teilapparat.
CH556032A (de) Retroreflecteur.
BE784372A (fr) Perfectionnements aux ventilateurs
ES171723Y (es) Aparato electrosanitario.
BE789569A (fr) Perfectionnements aux transporteurs
BE785805A (fr) Perfectionnements aux bruleurs
BE770100A (fr) Meerpas draadtrekmachine.
BE770241A (fr) Perfectionnements aux projecteurs,
CH546033A (de) Melkbecher.
ES173307Y (es) Proyector.
CH557650A (de) Surchaussure aseptique.
BE766327A (fr) Roeimecanisme.