BE585777A - Device for recording or reproducing acoustic vibrations, provided with a variable acoustic impedance - Google Patents

Device for recording or reproducing acoustic vibrations, provided with a variable acoustic impedance

Info

Publication number
BE585777A
BE585777A BE585777A BE585777A BE585777A BE 585777 A BE585777 A BE 585777A BE 585777 A BE585777 A BE 585777A BE 585777 A BE585777 A BE 585777A BE 585777 A BE585777 A BE 585777A
Authority
BE
Belgium
Prior art keywords
recording
reproducing
variable
acoustic
vibrations
Prior art date
Application number
BE585777A
Other languages
French (fr)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of BE585777A publication Critical patent/BE585777A/en

Links

BE585777A 1958-12-19 1959-12-17 Device for recording or reproducing acoustic vibrations, provided with a variable acoustic impedance BE585777A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL585777X 1958-12-19

Publications (1)

Publication Number Publication Date
BE585777A true BE585777A (en) 1960-06-17

Family

ID=38652638

Family Applications (1)

Application Number Title Priority Date Filing Date
BE585777A BE585777A (en) 1958-12-19 1959-12-17 Device for recording or reproducing acoustic vibrations, provided with a variable acoustic impedance

Country Status (1)

Country Link
BE (1) BE585777A (en)

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