DE618352C - Photographic roll film - Google Patents

Photographic roll film

Info

Publication number
DE618352C
DE618352C DEL86598D DEL0086598D DE618352C DE 618352 C DE618352 C DE 618352C DE L86598 D DEL86598 D DE L86598D DE L0086598 D DEL0086598 D DE L0086598D DE 618352 C DE618352 C DE 618352C
Authority
DE
Germany
Prior art keywords
photographic roll
roll film
film
light
film according
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
DEL86598D
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.)
Ernst Leitz Wetzlar GmbH
Original Assignee
Ernst Leitz Wetzlar GmbH
Publication date
Priority to DEL86598D priority Critical patent/DE618352C/en
Application granted granted Critical
Publication of DE618352C publication Critical patent/DE618352C/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
    • G03C1/765—Photosensitive materials characterised by the base or auxiliary layers characterised by the shape of the base, e.g. arrangement of perforations, jags

Description

I)EHUN-. DEbRUOKT IU DSUI) EHUN - . DEbRUCT IU DSU

Claims (3)

Patentansprüche:Patent claims: 1. Photographischer Rollfilm, dadurch gekennzeichnet, daß das Fümhaind in der gesamten Breite mit einer gitterförmigen Ausstanzung- (1 oder 2) derart versehen ist, daß der Lichtstrahlenweg· in Richtung der Aufnahmefläche innerhalb des Films unterbrochen wird, so daß kein schädliches licht durch innere Reflexion in die ersten der Aufnahme dienenden FiImflächen gelangen kann.1. Photographic roll film, characterized in that the Fümhaind in the entire width with a lattice-shaped punch-out (1 or 2) provided in this way is that the light beam path · toward the receiving surface within the film is interrupted so that no harmful light through internal reflection into the first film surfaces used for recording can get. 2. Photographischer Rollfilm nach Anspruch i, dadurch gekennzeichnet, daß das lichtabschließende Gitter aus einer mehrfach nebenemanderliegenden, in sich unterschiedlichen Durchlochung (1, 2) besteht.2. Photographic roll film according to claim i, characterized in that the light-blocking grid made of a multiple adjacent, inherently different There is perforation (1, 2). 3. Photographischer Rollfilm nach Anspruch ι oder 2, dadurch gekennzeichnet, ■daß sich nach Einlegen des Films in die üblichen Kassetten das Gitter an der Stelle befindet, an der ein FUz- oder Plüschibelag in der Kassettenmündung vorgesehen ist.3. Photographic roll film according to claim ι or 2, characterized in that ■ that after inserting the film into the usual cassettes, the grid is at the point where a FUz or plush covering is provided in the cassette mouth. Hierzu 1 Blatt Zeichnungen1 sheet of drawings
DEL86598D Photographic roll film Expired DE618352C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEL86598D DE618352C (en) Photographic roll film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL86598D DE618352C (en) Photographic roll film

Publications (1)

Publication Number Publication Date
DE618352C true DE618352C (en) 1935-09-06

Family

ID=7286119

Family Applications (1)

Application Number Title Priority Date Filing Date
DEL86598D Expired DE618352C (en) Photographic roll film

Country Status (1)

Country Link
DE (1) DE618352C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2494456A1 (en) * 1980-11-17 1982-05-21 Energy Conversion Devices Inc METHOD AND DEVICE FOR AVOIDING FOGGING OF EXPOSED PHOTOGRAPHIC FILM PORTIONS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2494456A1 (en) * 1980-11-17 1982-05-21 Energy Conversion Devices Inc METHOD AND DEVICE FOR AVOIDING FOGGING OF EXPOSED PHOTOGRAPHIC FILM PORTIONS

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