DK68909C - Apparat til mekanisk toneoptegning i to spor. - Google Patents

Apparat til mekanisk toneoptegning i to spor.

Info

Publication number
DK68909C
DK68909C DK67942A DK67942A DK68909C DK 68909 C DK68909 C DK 68909C DK 67942 A DK67942 A DK 67942A DK 67942 A DK67942 A DK 67942A DK 68909 C DK68909 C DK 68909C
Authority
DK
Denmark
Prior art keywords
tracks
tone recording
mechanical tone
mechanical
recording
Prior art date
Application number
DK67942A
Other languages
English (en)
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
Application granted granted Critical
Publication of DK68909C publication Critical patent/DK68909C/da

Links

DK67942A 1941-03-29 1942-03-26 Apparat til mekanisk toneoptegning i to spor. DK68909C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL68909X 1941-03-29

Publications (1)

Publication Number Publication Date
DK68909C true DK68909C (da) 1949-04-11

Family

ID=19757120

Family Applications (1)

Application Number Title Priority Date Filing Date
DK67942A DK68909C (da) 1941-03-29 1942-03-26 Apparat til mekanisk toneoptegning i to spor.

Country Status (1)

Country Link
DK (1) DK68909C (da)

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