CH3781A - Microphone carbon roller with insulating jacket - Google Patents

Microphone carbon roller with insulating jacket

Info

Publication number: CH3781A
Authority: CH; Switzerland
Prior art keywords: insulating jacket; carbon roller; microphone carbon; microphone; roller
Prior art date: 1891-06-01

Application number

CH3781A

Other languages

German (de)

Inventor

Caesar Vogt

Original Assignee

Caesar Vogt

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.)

1891-06-01

Filing date

1891-06-01

Publication date

1891-12-15

1891-06-01 Application filed by Caesar Vogt filed Critical Caesar Vogt

1891-12-15 Publication of CH3781A publication Critical patent/CH3781A/en

Links

OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title 1
229910052799 carbon Inorganic materials 0.000 title 1

CH3781A 1891-06-01 1891-06-01 Microphone carbon roller with insulating jacket CH3781A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH3781T		1891-06-01

Publications (1)

Publication Number	Publication Date
CH3781A true CH3781A (en)	1891-12-15

Family

ID=4185639

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH3781A CH3781A (en)	1891-06-01	1891-06-01	Microphone carbon roller with insulating jacket

Country Status (1)

Country	Link
CH (1)	CH3781A (en)

1891
- 1891-06-01 CH CH3781A patent/CH3781A/en unknown

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