DE288547C - - Google Patents

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Publication number
DE288547C
DE288547C DENDAT288547D DE288547DA DE288547C DE 288547 C DE288547 C DE 288547C DE NDAT288547 D DENDAT288547 D DE NDAT288547D DE 288547D A DE288547D A DE 288547DA DE 288547 C DE288547 C DE 288547C
Authority
DE
Germany
Prior art keywords
box
wall opening
screen
demonstration
door
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
DENDAT288547D
Other languages
German (de)
Publication of DE288547C publication Critical patent/DE288547C/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
    • G03B21/30—Details adapted to collapse or fold, e.g. for portability
    • 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
    • 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
    • G03B21/32—Details specially adapted for motion-picture projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)

Description

KAISERLICHESIMPERIAL

PATENTAMT.PATENT OFFICE.

Die Erfindung bezieht sich auf kinematographische Vorführungsapparate, bei welchen sämtliche zur Vorführung nötige Bestandteile, nämlich die Lichtquelle, Kondensor, BiIdband, Objektiv, Verschluß und Projektionsschirm, in einem kleinen geschlossenen Kasten . angeordnet sind,, der dem. durchscheinenden Schirm gegenüber mit einem Schaufenster und an geeigneter Stelle mit einem HandgriffThe invention relates to cinematographic projection apparatus in which all components necessary for the demonstration, namely the light source, condenser, image tape, Lens, shutter and projection screen in a small closed box . are arranged, the dem. translucent screen opposite with a shop window and at a suitable point with a handle

ίο versehen ist, so daß der ganze Apparat bequem in der Hand gehalten werden kann. Um derartige Apparate auch bei zerstreutem Tageslicht gebrauchen zu können, ist der Kasten gemäß der Erfindung mit einer aufklappbaren Tür versehen, durch welche das Licht auf den Kondensor fallen und von dort auf dem vorgeschriebenen Weg zum Schaufenster gelangen kann.ίο is provided so that the whole apparatus is convenient can be held in hand. In order to be able to use devices of this type even in diffuse daylight, the box provided according to the invention with a hinged door through which the light on the The condenser will fall and from there take the prescribed route to the shop window can.

Die Zeichnung zeigt eine Ausführungsform des Apparates, bei welcher die Tür α zugleich als Träger der Lampe b dient und für letztere mit einem Reflektor c versehen . ist. In der Zeichnung bezeichnet ferner d den Kondensor, e den Film, / das Objektiv, g die Verschlußscheibe, ■ h den Schirm für durchfallendes Licht, i das Schaufenster und / den Handgriff.. Der Kasten kann auch für die Befestigung an einem Stativ ausgebildet werden.The drawing shows an embodiment of the apparatus in which the door α also serves as a support for the lamp b and is provided with a reflector c for the latter. is. In the drawing, d denotes the condenser, e the film / lens, g the shutter disc, ■ h the screen for light passing through, i the shop window and / the handle .. The box can also be designed for attachment to a tripod .

Dieser Vorführungsapparat kann hauptsächlich für Unterrichtszwecke in Schulen mit Vorteil verwendet werden, indem derselbe keine besondere Lokalität und keine Verdunkelung des Saales erfordert. Außerdem kann die Bewegung des Films jeden Augenblick eingestellt werden, so daß die Schüler jede Phase der Bildbewegung genau beobachten können.This demonstration apparatus can mainly be used for teaching purposes in schools Advantage used by the same no particular locality and no obscuration of the hall requires. Also, the movement of the film can be any moment can be adjusted so that students can closely observe each phase of the image movement can.

Claims (2)

Patent-An Sprüche:Patent-to sayings: i. Kinematograph . mit Anordnungi. Cinematograph. with arrangement sämtlicher zur Vorführung nötigen Teile von der Lichtquelle bis zum Schirm in einem gemeinsamen Kasten, dadurch gekennzeichnet, daß der Kasten zum Zwecke der Beobachtung der Bilder im zerstreuten Licht mit einer dem Bildfenster gegenüberliegenden verschließbaren Wandöffnung versehen ist.all parts necessary for the demonstration from the light source to the screen in a common box, characterized in that the box for the purpose the observation of the pictures in the diffused light with one opposite the picture window closable wall opening is provided. 2. Kinematograph nach Anspruch 1, dadurch gekennzeichnet, daß die Projektionslampe an der Innenseite der mit Reflektor für die .Lampe versehenen Verschlußtür der Wandöffnung befestigt ist.2. Kinematograph according to claim 1, characterized in that the projection lamp attached to the inside of the door of the wall opening provided with a reflector for the lamp is. Hierzu 1 Blatt Zeichnungen. (2. Auflage, ausgegeben am 13. April IQ20.J 1 sheet of drawings. (2nd edition, issued on April 13th IQ20.J
DENDAT288547D Active DE288547C (en)

Publications (1)

Publication Number Publication Date
DE288547C true DE288547C (en)

Family

ID=543658

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT288547D Active DE288547C (en)

Country Status (1)

Country Link
DE (1) DE288547C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2498294A (en) * 1945-11-30 1950-02-21 Westinghouse Electric Corp Light projector
US2628526A (en) * 1948-11-22 1953-02-17 Sr Francis T Coffey Motion-picture viewer
US2883904A (en) * 1957-04-10 1959-04-28 Rose Paradise De Combined movie camera, viewer and projector

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2498294A (en) * 1945-11-30 1950-02-21 Westinghouse Electric Corp Light projector
US2628526A (en) * 1948-11-22 1953-02-17 Sr Francis T Coffey Motion-picture viewer
US2883904A (en) * 1957-04-10 1959-04-28 Rose Paradise De Combined movie camera, viewer and projector

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