FR642373A - Method and devices for making and reproducing sound films - Google Patents

Method and devices for making and reproducing sound films

Info

Publication number
FR642373A
FR642373A FR642373DA FR642373A FR 642373 A FR642373 A FR 642373A FR 642373D A FR642373D A FR 642373DA FR 642373 A FR642373 A FR 642373A
Authority
FR
France
Prior art keywords
making
devices
reproducing sound
sound films
films
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
Other languages
French (fr)
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.)
Siemens and Halske AG
Original Assignee
Siemens and Halske AG
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 Siemens and Halske AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR642373A publication Critical patent/FR642373A/en
Expired legal-status Critical Current

Links

FR642373D 1927-04-09 1927-10-06 Method and devices for making and reproducing sound films Expired FR642373A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE642373X 1927-04-09

Publications (1)

Publication Number Publication Date
FR642373A true FR642373A (en) 1928-08-28

Family

ID=6580241

Family Applications (1)

Application Number Title Priority Date Filing Date
FR642373D Expired FR642373A (en) 1927-04-09 1927-10-06 Method and devices for making and reproducing sound films

Country Status (1)

Country Link
FR (1) FR642373A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE751441C (en) * 1930-12-16 1953-03-02 Arnold Poulsen Dipl Ing Method and device for producing a low-noise optical sound recording in sprout script
DE870481C (en) * 1931-08-31 1953-03-12 Western Electric Co Method and device for producing a sound film recording in intensity writing
DE751531C (en) * 1930-09-27 1953-04-27 Arnold Poulsen Dipl Ing Method and device for producing a low-noise sound recording in serrated script
DE912024C (en) * 1930-06-25 1954-07-15 Aeg Sound or picture sound recording

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE912024C (en) * 1930-06-25 1954-07-15 Aeg Sound or picture sound recording
DE751531C (en) * 1930-09-27 1953-04-27 Arnold Poulsen Dipl Ing Method and device for producing a low-noise sound recording in serrated script
DE751441C (en) * 1930-12-16 1953-03-02 Arnold Poulsen Dipl Ing Method and device for producing a low-noise optical sound recording in sprout script
DE870481C (en) * 1931-08-31 1953-03-12 Western Electric Co Method and device for producing a sound film recording in intensity writing

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