DE764336C - Illumination device for the gap of a sound film device - Google Patents

Illumination device for the gap of a sound film device

Info

Publication number
DE764336C
DE764336C DEK149769D DEK0149769D DE764336C DE 764336 C DE764336 C DE 764336C DE K149769 D DEK149769 D DE K149769D DE K0149769 D DEK0149769 D DE K0149769D DE 764336 C DE764336 C DE 764336C
Authority
DE
Germany
Prior art keywords
gap
sound film
illumination
illumination device
helix
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
DEK149769D
Other languages
German (de)
Inventor
Ernst Dipl-Ing Kammerer
Paul Dipl-Ing Werner
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.)
Klangfilm GmbH
Original Assignee
Klangfilm GmbH
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 Klangfilm GmbH filed Critical Klangfilm GmbH
Priority to DEK149769D priority Critical patent/DE764336C/en
Application granted granted Critical
Publication of DE764336C publication Critical patent/DE764336C/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor

Description

Zur Abgrenzung des Erfindungsgegenstands vom Stand der Technik sind im Erteilungsverfahren folgende Druckschriften in Betracht gezogen worden:To differentiate the subject matter of the invention from the state of the art, the granting procedure the following publications have been considered:

Deutsche Patentschrift Xr. 567 i<2"; German patent specification Xr. 567 i <2 ";

USA.-Patentschriften Xr. 2 071 952. ι 913 867, ι 847 636, ι 647 504:U.S. Patents Xr. 2,071,952. ι 913 867, ι 847 636, ι 647 504:

französische Patentschriften Xr. 6(14 j6j, "54657:French patents Xr. 6 (14 j6j, "54657:

australische Patentschrift Xr. 28213 v. J.Australian Patent Xr. 28213 BC J.

1930:1930:

Zeitschrift »Bild und Ton'·: Heft 7. 1934. S. 6.Magazine »Bild und Ton '·: Issue 7. 1934. P. 6.

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

© 5260 6.© 5260 6.

Claims (3)

Patentansprüche:Patent claims: 1. Beleuchtungseinrichtung zur Erzeugung eines Lichtstriches bei Tonfilmgeräten mit einer Tonlampe, die nur eine einzige Wendel aufweist, dadurch gekennzeichnet, daß die Achse dieser einzigen Wendel bzw. ihr Bild in der Gebrauchslage parallel zur Schmalseite des Lichtstriches (Spaltes; ist.1. Lighting device for generating a line of light in sound film devices with a clay lamp which has only a single filament, characterized in that, that the axis of this single helix or its image in the position of use is parallel to the narrow side of the light line (Column; is. 2. Vorrichtung nach Anspruch 1. gekennzeichnet durch einen Wendeldurchmesser in der Größe der Spaltbreite.2. Apparatus according to claim 1, characterized by a helix diameter in the size of the gap width. 3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß zur Ausleuchtung des Spaltes eine einzige Wendel -3. Apparatus according to claim 1 or 2, characterized in that for illumination of the gap a single helix - windung dient.curl is used.
DEK149769D 1938-03-01 1938-03-01 Illumination device for the gap of a sound film device Expired DE764336C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEK149769D DE764336C (en) 1938-03-01 1938-03-01 Illumination device for the gap of a sound film device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK149769D DE764336C (en) 1938-03-01 1938-03-01 Illumination device for the gap of a sound film device

Publications (1)

Publication Number Publication Date
DE764336C true DE764336C (en) 1952-07-03

Family

ID=7251986

Family Applications (1)

Application Number Title Priority Date Filing Date
DEK149769D Expired DE764336C (en) 1938-03-01 1938-03-01 Illumination device for the gap of a sound film device

Country Status (1)

Country Link
DE (1) DE764336C (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1647504A (en) * 1925-11-17 1927-11-01 Case Theodore Willard Sound-producing apparatus
FR664767A (en) * 1927-11-28 1929-09-07 Thomson Houston Comp Francaise Improvements to recording and reproducing devices of vibrations
US1847636A (en) * 1927-11-28 1932-03-01 Gen Electric Vibration recording and reproducing apparatus
DE567827C (en) * 1929-12-13 1933-01-13 Aeg Sound exposure device for recording or reproducing photographic sound recordings
US1913867A (en) * 1932-01-29 1933-06-13 Remsen V Wood Method and apparatus for controlling projection of light by sound waves
FR754657A (en) * 1932-05-09 1933-11-10 Rca Corp Apparatus for recording and reproducing sound
US2071952A (en) * 1931-03-12 1937-02-23 Scheibell Gordon Brown Sound film apparatus

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1647504A (en) * 1925-11-17 1927-11-01 Case Theodore Willard Sound-producing apparatus
FR664767A (en) * 1927-11-28 1929-09-07 Thomson Houston Comp Francaise Improvements to recording and reproducing devices of vibrations
US1847636A (en) * 1927-11-28 1932-03-01 Gen Electric Vibration recording and reproducing apparatus
DE567827C (en) * 1929-12-13 1933-01-13 Aeg Sound exposure device for recording or reproducing photographic sound recordings
US2071952A (en) * 1931-03-12 1937-02-23 Scheibell Gordon Brown Sound film apparatus
US1913867A (en) * 1932-01-29 1933-06-13 Remsen V Wood Method and apparatus for controlling projection of light by sound waves
FR754657A (en) * 1932-05-09 1933-11-10 Rca Corp Apparatus for recording and reproducing sound

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