DK48475C - Film med Lydskrift efter Amplitudemetoden og Fremgangsmaade til Fremstilling af saadanne Films. - Google Patents

Film med Lydskrift efter Amplitudemetoden og Fremgangsmaade til Fremstilling af saadanne Films.

Info

Publication number
DK48475C
DK48475C DK48475DA DK48475C DK 48475 C DK48475 C DK 48475C DK 48475D A DK48475D A DK 48475DA DK 48475 C DK48475 C DK 48475C
Authority
DK
Denmark
Prior art keywords
saadanne
lydskrift
fremgangsmaade
amplitudemetoden
efter
Prior art date
Application number
Other languages
Danish (da)
Inventor
Axel Carl Georg Petersen
Arnold Poulsen
Original Assignee
Axel Carl Georg Petersen
Arnold Poulsen
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 Axel Carl Georg Petersen, Arnold Poulsen filed Critical Axel Carl Georg Petersen
Application granted granted Critical
Publication of DK48475C publication Critical patent/DK48475C/en

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
DK48475D 1931-12-01 1932-09-19 Film med Lydskrift efter Amplitudemetoden og Fremgangsmaade til Fremstilling af saadanne Films. DK48475C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3329731A GB393610A (en) 1931-12-01 1931-12-01 Improvements in and relating to the recording of sound on films
GB3329831 1931-12-01

Publications (1)

Publication Number Publication Date
DK48475C true DK48475C (en) 1934-03-05

Family

ID=1803081

Family Applications (1)

Application Number Title Priority Date Filing Date
DK48475D DK48475C (en) 1931-12-01 1932-09-19 Film med Lydskrift efter Amplitudemetoden og Fremgangsmaade til Fremstilling af saadanne Films.

Country Status (6)

Country Link
AT (1) AT144556B (en)
CH (1) CH167553A (en)
DE (1) DE700267C (en)
DK (1) DK48475C (en)
GB (1) GB393610A (en)
NL (1) NL42079C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE940377C (en) * 1932-04-09 1956-03-15 Telefunken Gmbh Process for producing background noise-free optical sound recordings in multi-point script
DE746290C (en) * 1940-05-24 1944-06-15 Tobis Tonbild Syndikat G M B H Optical sound film
US2937915A (en) * 1955-12-19 1960-05-24 United Geophysical Corp Recording system

Also Published As

Publication number Publication date
DE700267C (en) 1940-12-17
AT144556B (en) 1936-02-10
NL42079C (en) 1937-10-26
GB393610A (en) 1933-06-01
CH167553A (en) 1934-02-28

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