DE483742C - Lamp house with fire protection device for projector - Google Patents

Lamp house with fire protection device for projector

Info

Publication number
DE483742C
DE483742C DEZ17655D DEZ0017655D DE483742C DE 483742 C DE483742 C DE 483742C DE Z17655 D DEZ17655 D DE Z17655D DE Z0017655 D DEZ0017655 D DE Z0017655D DE 483742 C DE483742 C DE 483742C
Authority
DE
Germany
Prior art keywords
lamp house
projector
protection device
fire protection
lamp
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
DEZ17655D
Other languages
German (de)
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.)
Zeiss Ikon AG
Original Assignee
Zeiss Ikon AG
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 Zeiss Ikon AG filed Critical Zeiss Ikon AG
Priority to DEZ17655D priority Critical patent/DE483742C/en
Application granted granted Critical
Publication of DE483742C publication Critical patent/DE483742C/en
Expired 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
    • G03B21/2086—Security or safety means in lamp houses

Description

Lampenhaus mit Feuerschutzvorrichtung für Bildwerfer Bildwerfer, bei denen die Beleuchtungsquelle aus einer hochkerzigen Lampe besteht, dürfen nur dann verwendet werden, wenn in den Strahlengang zwischen Beleuchtungsquelle und Film ein Wärmeabsorptionsmittel, z. B. eine Flüssigkeitsküvette, eingeschaltet ist.Lamp house with fire protection device for projector projector, at where the light source consists of a high-candlestick lamp, may only then used when in the beam path between the illumination source and the film a heat absorbent, e.g. B. a liquid cuvette is turned on.

Um nun zu vermeiden, daß die Flüssigkeitsküvette vom Apparat entfernt und ohne diese vorgeführt wird, wird das Wärmeabsorptionsmittel unlösbar an dem Lampenhalter befestigt, so daß beim vorschriftswidrigen Entfernen desselben auch die Beleuchtungslampe ttiit entfernt wird und so ein weiteres Vorführen ausgeschlossen ist.In order to avoid that the liquid cuvette is removed from the apparatus and without this being demonstrated, the heat absorbent becomes inseparable from the Lamp holder attached, so that the same if improperly removed the lighting lamp ttiit is removed and further demonstration is thus ruled out is.

Um aber auch das Einsetzen einer anderen Lampe in den Apparat zu verhindern, wird der Boden des Lampenhauses dachförmig oder gewölbt ausgebildet, so daß eine gewöhnliche Lampe mit ebenem Fuß nicht aufgestellt wenden kann.However, in order to prevent another lamp from being inserted into the device, the bottom of the lamp house is roof-shaped or arched, so that a Ordinary lamp with a level foot cannot be turned upside down.

Claims (1)

PATENTANSPRÜCHE: i. Lampenhaus mit Feuerschutzvorrichtung für Bildwerfer, dadurch gekennzeichnet, daß das Wärmeabsorptionsmit, tel und der Halter für die Beleuchtungslampe unlösbar miteinander verbunden sind. a. Lampenhaus nach Anspruch i, dadurch gekennzeichnet, daß der Boden des Lampenhauses dachförmig oder gewölbt ausgebildet oder mit einem dachförmigen oder gewölbten Einsatz unlösbar verbunden ist. PATENT CLAIMS: i. Lamp house with fire protection device for projector, characterized in that the heat absorption means, tel and the holder for the lighting lamp are permanently connected to one another. a. Lamp house according to claim i, characterized in that the base of the lamp house is roof-shaped or arched or is permanently connected to a roof-shaped or arched insert.
DEZ17655D 1928-06-19 1928-06-19 Lamp house with fire protection device for projector Expired DE483742C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEZ17655D DE483742C (en) 1928-06-19 1928-06-19 Lamp house with fire protection device for projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEZ17655D DE483742C (en) 1928-06-19 1928-06-19 Lamp house with fire protection device for projector

Publications (1)

Publication Number Publication Date
DE483742C true DE483742C (en) 1929-10-05

Family

ID=7624371

Family Applications (1)

Application Number Title Priority Date Filing Date
DEZ17655D Expired DE483742C (en) 1928-06-19 1928-06-19 Lamp house with fire protection device for projector

Country Status (1)

Country Link
DE (1) DE483742C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5227821A (en) 1987-04-30 1993-07-13 Nview Corporation Liquid crystal display for projection systems
US5255029A (en) 1987-04-30 1993-10-19 Nview Corporation Liquid crystal display for projection systems

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5227821A (en) 1987-04-30 1993-07-13 Nview Corporation Liquid crystal display for projection systems
US5255029A (en) 1987-04-30 1993-10-19 Nview Corporation Liquid crystal display for projection systems
US5404185A (en) 1987-04-30 1995-04-04 Nview Corporation Liquid crystal display for projection systems

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