DK57094C - Charcoal microphone, by which the Charcoal and Electrodes enclosing the sleeve have elastic Sidewalls. - Google Patents

Charcoal microphone, by which the Charcoal and Electrodes enclosing the sleeve have elastic Sidewalls.

Info

Publication number
DK57094C
DK57094C DK57094DA DK57094C DK 57094 C DK57094 C DK 57094C DK 57094D A DK57094D A DK 57094DA DK 57094 C DK57094 C DK 57094C
Authority
DK
Denmark
Prior art keywords
charcoal
microphone
sleeve
elastic sidewalls
electrodes enclosing
Prior art date
Application number
Other languages
Danish (da)
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Application granted granted Critical
Publication of DK57094C publication Critical patent/DK57094C/en

Links

DK57094D 1937-03-31 1938-03-24 Charcoal microphone, by which the Charcoal and Electrodes enclosing the sleeve have elastic Sidewalls. DK57094C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US57094XA 1937-03-31 1937-03-31

Publications (1)

Publication Number Publication Date
DK57094C true DK57094C (en) 1940-01-02

Family

ID=21717299

Family Applications (1)

Application Number Title Priority Date Filing Date
DK57094D DK57094C (en) 1937-03-31 1938-03-24 Charcoal microphone, by which the Charcoal and Electrodes enclosing the sleeve have elastic Sidewalls.

Country Status (1)

Country Link
DK (1) DK57094C (en)

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