DK43761C - Kulmikrofon. - Google Patents

Kulmikrofon.

Info

Publication number
DK43761C
DK43761C DK43761DA DK43761C DK 43761 C DK43761 C DK 43761C DK 43761D A DK43761D A DK 43761DA DK 43761 C DK43761 C DK 43761C
Authority
DK
Denmark
Prior art keywords
carbon microphone
microphone
carbon
Prior art date
Application number
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 DK43761C publication Critical patent/DK43761C/da

Links

DK43761D 1929-03-02 1930-01-24 Kulmikrofon. DK43761C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL43761X 1929-03-02

Publications (1)

Publication Number Publication Date
DK43761C true DK43761C (da) 1931-02-23

Family

ID=19755865

Family Applications (1)

Application Number Title Priority Date Filing Date
DK43761D DK43761C (da) 1929-03-02 1930-01-24 Kulmikrofon.

Country Status (1)

Country Link
DK (1) DK43761C (da)

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