ES97637A1 - An improvement in the loudspeakers, acoustic tubes and horns for loud voice of the speaking machines (phonographs) and radiotelephony devices and in general of the devices that record and reproduce sound vibrations. - Google Patents

An improvement in the loudspeakers, acoustic tubes and horns for loud voice of the speaking machines (phonographs) and radiotelephony devices and in general of the devices that record and reproduce sound vibrations.

Info

Publication number
ES97637A1
ES97637A1 ES97637A ES97637A ES97637A1 ES 97637 A1 ES97637 A1 ES 97637A1 ES 97637 A ES97637 A ES 97637A ES 97637 A ES97637 A ES 97637A ES 97637 A1 ES97637 A1 ES 97637A1
Authority
ES
Spain
Prior art keywords
devices
phonographs
horns
loudspeakers
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
ES97637A
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 ES97637A priority Critical patent/ES97637A1/en
Publication of ES97637A1 publication Critical patent/ES97637A1/en
Expired legal-status Critical Current

Links

ES97637A 1926-04-09 1926-04-09 An improvement in the loudspeakers, acoustic tubes and horns for loud voice of the speaking machines (phonographs) and radiotelephony devices and in general of the devices that record and reproduce sound vibrations. Expired ES97637A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES97637A ES97637A1 (en) 1926-04-09 1926-04-09 An improvement in the loudspeakers, acoustic tubes and horns for loud voice of the speaking machines (phonographs) and radiotelephony devices and in general of the devices that record and reproduce sound vibrations.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES97637A ES97637A1 (en) 1926-04-09 1926-04-09 An improvement in the loudspeakers, acoustic tubes and horns for loud voice of the speaking machines (phonographs) and radiotelephony devices and in general of the devices that record and reproduce sound vibrations.

Publications (1)

Publication Number Publication Date
ES97637A1 true ES97637A1 (en) 1926-10-16

Family

ID=64265607

Family Applications (1)

Application Number Title Priority Date Filing Date
ES97637A Expired ES97637A1 (en) 1926-04-09 1926-04-09 An improvement in the loudspeakers, acoustic tubes and horns for loud voice of the speaking machines (phonographs) and radiotelephony devices and in general of the devices that record and reproduce sound vibrations.

Country Status (1)

Country Link
ES (1) ES97637A1 (en)

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