DK51889C - Positive Tone Film with Multi-Thank You Lettering and Apparatus for Recording Such. - Google Patents

Positive Tone Film with Multi-Thank You Lettering and Apparatus for Recording Such.

Info

Publication number: DK51889C
Authority: DK; Denmark
Prior art keywords: thank; lettering; recording; positive tone; tone film
Prior art date: 1932-04-09

Application number

Other languages

Original Assignee

Telefunken 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.)

1932-04-09

Filing date

1933-04-07

Publication date

1936-07-13

1933-04-07 Application filed by Telefunken Gmbh filed Critical Telefunken Gmbh

1936-07-13 Application granted granted Critical

1936-07-13 Publication of DK51889C publication Critical patent/DK51889C/en

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

DK51889D 1932-04-09 1933-04-07 Positive Tone Film with Multi-Thank You Lettering and Apparatus for Recording Such. DK51889C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DET6249D DE940377C (en)	1932-04-09	1932-04-09	Process for producing background noise-free optical sound recordings in multi-point script

Publications (1)

Publication Number	Publication Date
DK51889C true DK51889C (en)	1936-07-13

Family

ID=7545254

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK51889D DK51889C (en)	1932-04-09	1933-04-07	Positive Tone Film with Multi-Thank You Lettering and Apparatus for Recording Such.

Country Status (2)

Country	Link
DE (1)	DE940377C (en)
DK (1)	DK51889C (en)

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE254283C (en) *
DE358838C (en) *		1922-09-15	Rudolf Mylo	Device for producing sound wave recordings
DE282778C (en) *
DE246184C (en) *
DE389101C (en) *		1924-01-25	Filmfotofon Ab	Device for the photographic recording of acoustic or other vibrations
DE257933C (en) *
US1252965A (en) *	1915-10-07	1918-01-08	Harry Benwell Stocks	Apparatus for recording sounds photographically.
DE415879C (en) *	1923-12-13	1925-07-02	Sven A Son Berglund	Apparatus for generating sound images on a photosensitive belt
DE470403C (en) *	1927-04-10	1929-01-19	Siemens & Halske Akt Ges	Procedure for preparing sound films for sound reproduction
US1759580A (en) *	1928-04-02	1930-05-20	Kwartin Bernard	Apparatus for and method of photographically recording sounds
FR671059A (en) *	1929-03-07	1929-12-09		Photographic sound recording process
GB358993A (en) *	1930-06-06	1931-10-06	Gramophone Co Ltd	Improvements in or relating to the recording and reproducing of sound
FR706945A (en) *	1930-09-26	1931-07-01		Sound film and method for recording and printing sound films
GB393610A (en) *	1931-12-01	1933-06-01	Axel Carl Georg Petersen	Improvements in and relating to the recording of sound on films

1932
- 1932-04-09 DE DET6249D patent/DE940377C/en not_active Expired
1933
- 1933-04-07 DK DK51889D patent/DK51889C/en active

Also Published As

Publication number	Publication date
DE940377C (en)	1956-03-15

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