DE239876C - - Google Patents

Info

Publication number
DE239876C
DE239876C DENDAT239876D DE239876DA DE239876C DE 239876 C DE239876 C DE 239876C DE NDAT239876 D DENDAT239876 D DE NDAT239876D DE 239876D A DE239876D A DE 239876DA DE 239876 C DE239876 C DE 239876C
Authority
DE
Germany
Prior art keywords
lamp
pivot
pin
contact
switch button
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.)
Active
Application number
DENDAT239876D
Other languages
German (de)
English (en)
Publication of DE239876C publication Critical patent/DE239876C/de
Active legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2006—Lamp housings characterised by the light source
    • G03B21/2013—Plural light sources
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2006—Lamp housings characterised by the light source
    • G03B21/202—Incandescent light sources

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
DENDAT239876D Active DE239876C (fi)

Publications (1)

Publication Number Publication Date
DE239876C true DE239876C (fi)

Family

ID=499282

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT239876D Active DE239876C (fi)

Country Status (1)

Country Link
DE (1) DE239876C (fi)

Similar Documents

Publication Publication Date Title
DE1489516A1 (de) Lampenwechselvorrichtung
DE239876C (fi)
DE201564C (fi)
DE142422C (fi)
DE59236C (de) Neuerung an elektrischen Bogenlampen
DE425119C (de) Drehschalter
DE468091C (de) Umlaufende Sockelkittmaschine fuer elektrische Gluehlampen
DE179200C (de) Verfahren zur Erhöhung der Nutzbrenndauer elektrischer Glühlampen
DE134731C (fi)
DE464735C (de) Gasgefuellte elektrische Gluehlampe
DE406431C (de) Stroboskopischer Beobachtungsapparat
DE162497C (fi)
DE122781C (de) Selbstthaetige stromschlufvorrichtung fuer bogenlichtstromkreise
DE598688C (de) Verfahren zur Einstellung der Leuchtfaeden von Kinolampen
DE254872C (fi)
DE361053C (de) Vorrichtung zum Zuenden eines Lichtbogens zwischen ruhenden Elektroden in einem abgeschlossenen Gehaeuse mit Gasfuellung
DE347221C (de) Zuendvorrichtung fuer photographische Blitzlichtaufnahmen
DE117871C (fi)
DE7173A (de) Elektrische Glühlichtlampe
DE2219143C2 (de) Lampenhalterung für optische Geräte
DE417037C (de) Spiegel-Bogenlampe fuer Bildwerfer
DE560233C (de) Elektrische Bogenlampe mit selbsttaetig ausloesender Elektrode
DE133503C (fi)
DE698287C (de) Zuendbereitschaftskontrolleinrichtung bei Bogenlampenscheinwerfern
DE49642C (de) Neuerung an elektrischen Lampen