ES123756A1 - Improvements in the recording systems for sound films. - Google Patents

Improvements in the recording systems for sound films.

Info

Publication number
ES123756A1
ES123756A1 ES123756A ES123756A ES123756A1 ES 123756 A1 ES123756 A1 ES 123756A1 ES 123756 A ES123756 A ES 123756A ES 123756 A ES123756 A ES 123756A ES 123756 A1 ES123756 A1 ES 123756A1
Authority
ES
Spain
Prior art keywords
recording systems
sound films
films
sound
recording
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
ES123756A
Other languages
Spanish (es)
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.)
Electrical Research Products Inc
Original Assignee
Electrical Research Products Inc
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 Electrical Research Products Inc filed Critical Electrical Research Products Inc
Priority to ES123756A priority Critical patent/ES123756A1/en
Publication of ES123756A1 publication Critical patent/ES123756A1/en
Expired legal-status Critical Current

Links

ES123756A 1931-07-28 1931-07-28 Improvements in the recording systems for sound films. Expired ES123756A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES123756A ES123756A1 (en) 1931-07-28 1931-07-28 Improvements in the recording systems for sound films.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES123756A ES123756A1 (en) 1931-07-28 1931-07-28 Improvements in the recording systems for sound films.

Publications (1)

Publication Number Publication Date
ES123756A1 true ES123756A1 (en) 1931-09-01

Family

ID=65581567

Family Applications (1)

Application Number Title Priority Date Filing Date
ES123756A Expired ES123756A1 (en) 1931-07-28 1931-07-28 Improvements in the recording systems for sound films.

Country Status (1)

Country Link
ES (1) ES123756A1 (en)

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