GB723137A - Improvements in or relating to a process and arrangement for the production of soundmotion picture films having magnetic sound track - Google Patents

Improvements in or relating to a process and arrangement for the production of soundmotion picture films having magnetic sound track

Info

Publication number
GB723137A
GB723137A GB644552A GB644552A GB723137A GB 723137 A GB723137 A GB 723137A GB 644552 A GB644552 A GB 644552A GB 644552 A GB644552 A GB 644552A GB 723137 A GB723137 A GB 723137A
Authority
GB
United Kingdom
Prior art keywords
sound
prints
magnetic
strip
original
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
GB644552A
Inventor
Hans Friess
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 GB644552A priority Critical patent/GB723137A/en
Publication of GB723137A publication Critical patent/GB723137A/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
    • G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)

Abstract

723,137. Duplicating sound records. KLANGFILM GES. March 12, 1952, No. 6445/52. Class 40 (2) In a process for the duplication of a sound and picture film, the picture is first photographically reprinted from the original on a number of films provided with magnetic sound strips, and after the completion of the reprinting and developing the sound is recorded, from an original sound strip, on the magnetic sound strips of the prints. The prints 2 and the original sound strip 1, which may be magnetic, are pressed by rollers 6 against feed rollers 5 mounted on a shaft 4. Sound currents from the reproducing head 7 are amplified at 9, passed through amplitude regulators 10 and equalizers 11 and recorded on the prints by recording heads 8. Reproducing heads 12 are connected to amplifiers 13, modulation meters 14, and loudspeakers 15. Signalling marks, e.g. numerals, may be provided on the prints 2 and the strip 1, and may initiate an acoustic signal to inform an operator that the prints and strip are not in synchronism. The magnetic heads may be mounted in or on the rollers 5.
GB644552A 1952-03-12 1952-03-12 Improvements in or relating to a process and arrangement for the production of soundmotion picture films having magnetic sound track Expired GB723137A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB644552A GB723137A (en) 1952-03-12 1952-03-12 Improvements in or relating to a process and arrangement for the production of soundmotion picture films having magnetic sound track

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB644552A GB723137A (en) 1952-03-12 1952-03-12 Improvements in or relating to a process and arrangement for the production of soundmotion picture films having magnetic sound track

Publications (1)

Publication Number Publication Date
GB723137A true GB723137A (en) 1955-02-02

Family

ID=9814615

Family Applications (1)

Application Number Title Priority Date Filing Date
GB644552A Expired GB723137A (en) 1952-03-12 1952-03-12 Improvements in or relating to a process and arrangement for the production of soundmotion picture films having magnetic sound track

Country Status (1)

Country Link
GB (1) GB723137A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3005057A (en) * 1957-05-15 1961-10-17 Charles R Locklin Multiple duplicating tape recorder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3005057A (en) * 1957-05-15 1961-10-17 Charles R Locklin Multiple duplicating tape recorder

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