AT25141B - Kohlekugelmikrophon. - Google Patents

Kohlekugelmikrophon.

Info

Publication number
AT25141B
AT25141B AT25141DA AT25141B AT 25141 B AT25141 B AT 25141B AT 25141D A AT25141D A AT 25141DA AT 25141 B AT25141 B AT 25141B
Authority
AT
Austria
Prior art keywords
charcoal ball
microphone
ball microphone
charcoal
ball
Prior art date
Application number
Other languages
English (en)
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of AT25141B publication Critical patent/AT25141B/de

Links

AT25141D 1905-09-13 1905-09-13 Kohlekugelmikrophon. AT25141B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT25141T 1905-09-13

Publications (1)

Publication Number Publication Date
AT25141B true AT25141B (de) 1906-08-10

Family

ID=3535632

Family Applications (1)

Application Number Title Priority Date Filing Date
AT25141D AT25141B (de) 1905-09-13 1905-09-13 Kohlekugelmikrophon.

Country Status (1)

Country Link
AT (1) AT25141B (de)

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