AT89488B - Device for transmitting vibrations in playback devices with compressed air for speaking machines. - Google Patents

Device for transmitting vibrations in playback devices with compressed air for speaking machines.

Info

Publication number
AT89488B
AT89488B AT89488DA AT89488B AT 89488 B AT89488 B AT 89488B AT 89488D A AT89488D A AT 89488DA AT 89488 B AT89488 B AT 89488B
Authority
AT
Austria
Prior art keywords
compressed air
playback devices
transmitting vibrations
speaking machines
speaking
Prior art date
Application number
Other languages
German (de)
Inventor
Cesare Parolini
Gustave Perron
Original Assignee
Cesare Parolini
Gustave Perron
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 Cesare Parolini, Gustave Perron filed Critical Cesare Parolini
Application granted granted Critical
Publication of AT89488B publication Critical patent/AT89488B/en

Links

AT89488D 1919-03-11 1920-05-31 Device for transmitting vibrations in playback devices with compressed air for speaking machines. AT89488B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR89488X 1919-03-11

Publications (1)

Publication Number Publication Date
AT89488B true AT89488B (en) 1922-09-25

Family

ID=8777154

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89488D AT89488B (en) 1919-03-11 1920-05-31 Device for transmitting vibrations in playback devices with compressed air for speaking machines.

Country Status (1)

Country Link
AT (1) AT89488B (en)

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