DE591444C - Apparatus for photographic contact copying of sound films using optical systems - Google Patents

Apparatus for photographic contact copying of sound films using optical systems

Info

Publication number
DE591444C
DE591444C DENDAT591444D DE591444DD DE591444C DE 591444 C DE591444 C DE 591444C DE NDAT591444 D DENDAT591444 D DE NDAT591444D DE 591444D D DE591444D D DE 591444DD DE 591444 C DE591444 C DE 591444C
Authority
DE
Germany
Prior art keywords
optical systems
contact copying
sound films
light source
films
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
DENDAT591444D
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.)
Tobis Tonbild Syndikat GmbH
Original Assignee
Tobis Tonbild Syndikat GmbH
Publication date
Application granted granted Critical
Publication of DE591444C publication Critical patent/DE591444C/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B27/00Photographic printing apparatus
    • G03B27/02Exposure apparatus for contact printing
    • G03B27/10Copying apparatus with a relative movement between the original and the light source during exposure
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B27/00Photographic printing apparatus
    • G03B27/72Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)

Description

CKIllllirur IN I)KItCKIllllirur IN I) KIt

Claims (2)

Patentanspuüche:Patent claims: 1. Vorrichtung zum photographischen K on takt kopieren von Tonfilmen unter Verwendung von optischen Systemen, gekennzeichnet durch eine lineare Lichtquelle, die durch das optische System, wie für andere Zwecke bekannt, verkleinert auf die Kontaktstelle der Filme projiziert wird.1. Apparatus for photographic contact copying of sound films using of optical systems characterized by a linear light source passing through the optical system, as for known for other purposes, it is projected downsized onto the contact point of the films. 2. Vorrichtung nach Anspruch 1, gekennzeichnet durch die Anwendung einer linearen Lichtquelle sowie durch eine Optik kleiner Apertur, die ■ zwischen die Lichtquelle und den Film eingeschaltet ist.2. Apparatus according to claim 1, characterized through the use of a linear light source and a small aperture optics that ■ between the Light source and the film is on. *) Von drin l'alrnlsiirlii r isl als drr Hrfindrr angrgrbrn worden:*) From inside l'alrnlsiirlii r isl as drr Hrfindrr: J öse ph M assolle in Ijerlin-Wi(mersdoff.J öse ph M assolle in Ijerlin-Wi (mersdoff. Hierzu ι Blatt ZeichnungenFor this purpose ι sheet of drawings
DENDAT591444D Apparatus for photographic contact copying of sound films using optical systems Expired DE591444C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE591444T

Publications (1)

Publication Number Publication Date
DE591444C true DE591444C (en) 1934-01-22

Family

ID=6572945

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT591444D Expired DE591444C (en) Apparatus for photographic contact copying of sound films using optical systems

Country Status (1)

Country Link
DE (1) DE591444C (en)

Similar Documents

Publication Publication Date Title
DE591444C (en) Apparatus for photographic contact copying of sound films using optical systems
GB605945A (en) Photographic and kinematograph camera with diaphragm opening indicator
DE619948C (en) Condenser system
DE585256C (en) Light guide rod for optical sound recordings
DE608018C (en) Photographic enlarger with automatic focusing
DE475839C (en) Photo chamber for photographing the eyeball with attached lighting device
DE564557C (en) Image throw system with optical compensation of image movement
GB561597A (en) Improvements in or relating to optical systems
DE1081301B (en) Galilean style viewfinder with mirrored frame for photographic cameras
DE644804C (en) Viewfinder for photographic cameras
GB527956A (en) Improvements in kinematographic apparatus
SU40711A1 (en) Focusing device for film projector focus
AT132173B (en) Device for measuring the exposure times for photographic enlargements and reductions.
GB231848A (en) Improvements in or relating to the polarisation of light
DE632892C (en) Cine film playback device for sound films
DE891470C (en) microscope
DE500977C (en) Projection device to pretend the starry sky on stages u. like
DE676950C (en) Lighting device for projector with mirror lamp
DE652166C (en) Viewfinder for cinematographic recording devices
DE626740C (en) Device for automatically switching on the time switch of a lighting system for staircases or similar rooms
DE510658C (en) Equipment for the production of positive films provided with an image layer on both sides
DE523404C (en) Device for making recordings in artificial light, in particular for medical purposes
GB385141A (en) Improvements in optical systems for photographic or projection apparatus
DE362598C (en) Filter holder for photographic lenses
FR45138E (en) Observation apparatus of photographic positives, postcards, engravings, etc., giving the vision of relief and allowing combinations of colored lighting