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SU12364A1 - Carbon microphone - Google Patents

Carbon microphone

Info

Publication number
SU12364A1
SU12364A1 SU40133A SU40133A SU12364A1 SU 12364 A1 SU12364 A1 SU 12364A1 SU 40133 A SU40133 A SU 40133A SU 40133 A SU40133 A SU 40133A SU 12364 A1 SU12364 A1 SU 12364A1
Authority
SU
USSR - Soviet Union
Prior art keywords
carbon microphone
microphone
carbon
tny
type
Prior art date
Application number
SU40133A
Other languages
Russian (ru)
Inventor
И.А. Сергеев
Original Assignee
И.А. Сергеев
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 И.А. Сергеев filed Critical И.А. Сергеев
Priority to SU40133A priority Critical patent/SU12364A1/en
Application granted granted Critical
Publication of SU12364A1 publication Critical patent/SU12364A1/en

Links

Landscapes

  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)

Description

Е. П.E.P.

Тип. «Ое 1&тны& Type of. "About 1 & tny &

SU40133A 1929-02-04 1929-02-04 Carbon microphone SU12364A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU40133A SU12364A1 (en) 1929-02-04 1929-02-04 Carbon microphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU40133A SU12364A1 (en) 1929-02-04 1929-02-04 Carbon microphone

Related Child Applications (1)

Application Number Title Priority Date Filing Date
SU48944A Division SU14420A1 (en) 1929-04-25 1929-04-25 Carbon microphone

Publications (1)

Publication Number Publication Date
SU12364A1 true SU12364A1 (en) 1929-12-31

Family

ID=48333742

Family Applications (1)

Application Number Title Priority Date Filing Date
SU40133A SU12364A1 (en) 1929-02-04 1929-02-04 Carbon microphone

Country Status (1)

Country Link
SU (1) SU12364A1 (en)

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