ES129851A1 - Improvements in optical devices for recording sound. - Google Patents

Improvements in optical devices for recording sound.

Info

Publication number
ES129851A1
ES129851A1 ES129851A ES129851A ES129851A1 ES 129851 A1 ES129851 A1 ES 129851A1 ES 129851 A ES129851 A ES 129851A ES 129851 A ES129851 A ES 129851A ES 129851 A1 ES129851 A1 ES 129851A1
Authority
ES
Spain
Prior art keywords
optical devices
recording sound
sound
recording
optical
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
ES129851A
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.)
Tanar British Corp Ltd
Original Assignee
Tanar British Corp Ltd
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 Tanar British Corp Ltd filed Critical Tanar British Corp Ltd
Priority to ES129851A priority Critical patent/ES129851A1/en
Publication of ES129851A1 publication Critical patent/ES129851A1/en
Expired legal-status Critical Current

Links

ES129851A 1933-03-06 1933-03-06 Improvements in optical devices for recording sound. Expired ES129851A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES129851A ES129851A1 (en) 1933-03-06 1933-03-06 Improvements in optical devices for recording sound.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES129851A ES129851A1 (en) 1933-03-06 1933-03-06 Improvements in optical devices for recording sound.

Publications (1)

Publication Number Publication Date
ES129851A1 true ES129851A1 (en) 1933-04-16

Family

ID=65588493

Family Applications (1)

Application Number Title Priority Date Filing Date
ES129851A Expired ES129851A1 (en) 1933-03-06 1933-03-06 Improvements in optical devices for recording sound.

Country Status (1)

Country Link
ES (1) ES129851A1 (en)

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