ES130149A1 - Improvements in the photographic record of sounds. - Google Patents

Improvements in the photographic record of sounds.

Info

Publication number
ES130149A1
ES130149A1 ES130149A ES130149A ES130149A1 ES 130149 A1 ES130149 A1 ES 130149A1 ES 130149 A ES130149 A ES 130149A ES 130149 A ES130149 A ES 130149A ES 130149 A1 ES130149 A1 ES 130149A1
Authority
ES
Spain
Prior art keywords
sounds
photographic record
photographic
record
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
ES130149A
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.)
RCA Corp
Original Assignee
Radio Corporation of America
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 Radio Corporation of America filed Critical Radio Corporation of America
Priority to ES130149A priority Critical patent/ES130149A1/en
Publication of ES130149A1 publication Critical patent/ES130149A1/en
Expired legal-status Critical Current

Links

ES130149A 1933-03-30 1933-03-30 Improvements in the photographic record of sounds. Expired ES130149A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES130149A ES130149A1 (en) 1933-03-30 1933-03-30 Improvements in the photographic record of sounds.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES130149A ES130149A1 (en) 1933-03-30 1933-03-30 Improvements in the photographic record of sounds.

Publications (1)

Publication Number Publication Date
ES130149A1 true ES130149A1 (en) 1933-05-16

Family

ID=65586281

Family Applications (1)

Application Number Title Priority Date Filing Date
ES130149A Expired ES130149A1 (en) 1933-03-30 1933-03-30 Improvements in the photographic record of sounds.

Country Status (1)

Country Link
ES (1) ES130149A1 (en)

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