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ES90761A1 - Improvements in sound amplifiers and reproducers such as phonographs and wireless telephone speakers. - Google Patents

Improvements in sound amplifiers and reproducers such as phonographs and wireless telephone speakers.

Info

Publication number
ES90761A1
ES90761A1 ES90761A ES90761A ES90761A1 ES 90761 A1 ES90761 A1 ES 90761A1 ES 90761 A ES90761 A ES 90761A ES 90761 A ES90761 A ES 90761A ES 90761 A1 ES90761 A1 ES 90761A1
Authority
ES
Spain
Prior art keywords
reproducers
phonographs
wireless telephone
sound amplifiers
telephone speakers
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
ES90761A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to ES90761A priority Critical patent/ES90761A1/en
Publication of ES90761A1 publication Critical patent/ES90761A1/en
Expired legal-status Critical Current

Links

ES90761A 1924-09-11 1924-09-11 Improvements in sound amplifiers and reproducers such as phonographs and wireless telephone speakers. Expired ES90761A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES90761A ES90761A1 (en) 1924-09-11 1924-09-11 Improvements in sound amplifiers and reproducers such as phonographs and wireless telephone speakers.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES90761A ES90761A1 (en) 1924-09-11 1924-09-11 Improvements in sound amplifiers and reproducers such as phonographs and wireless telephone speakers.

Publications (1)

Publication Number Publication Date
ES90761A1 true ES90761A1 (en) 1924-11-01

Family

ID=64259204

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90761A Expired ES90761A1 (en) 1924-09-11 1924-09-11 Improvements in sound amplifiers and reproducers such as phonographs and wireless telephone speakers.

Country Status (1)

Country Link
ES (1) ES90761A1 (en)

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