SE409538B - Kolmikrofonkapsel - Google Patents

Kolmikrofonkapsel

Info

Publication number
SE409538B
SE409538B SE7509277A SE7509277A SE409538B SE 409538 B SE409538 B SE 409538B SE 7509277 A SE7509277 A SE 7509277A SE 7509277 A SE7509277 A SE 7509277A SE 409538 B SE409538 B SE 409538B
Authority
SE
Sweden
Prior art keywords
carbon
capsula
carbon microphone
moisture
sleeve
Prior art date
Application number
SE7509277A
Other languages
English (en)
Swedish (sv)
Other versions
SE7509277L (sv
Inventor
E Muller
J Seidlmeyer
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
Priority claimed from DE19742439688 external-priority patent/DE2439688C2/de
Priority claimed from DE19742439720 external-priority patent/DE2439720C2/de
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of SE7509277L publication Critical patent/SE7509277L/xx
Publication of SE409538B publication Critical patent/SE409538B/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R21/00—Variable-resistance transducers
    • H04R21/02—Microphones
    • H04R21/021—Microphones with granular resistance material
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/44—Special adaptations for subaqueous use, e.g. for hydrophone

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
SE7509277A 1974-08-19 1975-08-19 Kolmikrofonkapsel SE409538B (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19742439688 DE2439688C2 (de) 1974-08-19 1974-08-19 Feuchtigkeitsgeschuetze kohlemikrofonkapsel
DE19742439720 DE2439720C2 (de) 1974-08-19 1974-08-19 Feuchtigkeitsgeschuetzte kohlemikrofonkapsel

Publications (2)

Publication Number Publication Date
SE7509277L SE7509277L (sv) 1976-02-20
SE409538B true SE409538B (sv) 1979-08-20

Family

ID=25767572

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7509277A SE409538B (sv) 1974-08-19 1975-08-19 Kolmikrofonkapsel

Country Status (9)

Country Link
AR (1) AR203525A1 (fr)
AT (1) AT338896B (fr)
BR (1) BR7505266A (fr)
CH (1) CH591197A5 (fr)
FI (1) FI752160A (fr)
FR (1) FR2282766A1 (fr)
GB (1) GB1510870A (fr)
IT (1) IT1040482B (fr)
SE (1) SE409538B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108574917B (zh) * 2018-05-28 2021-03-02 歌尔股份有限公司 电子设备

Also Published As

Publication number Publication date
CH591197A5 (fr) 1977-09-15
FR2282766A1 (fr) 1976-03-19
BR7505266A (pt) 1976-08-03
SE7509277L (sv) 1976-02-20
GB1510870A (en) 1978-05-17
AR203525A1 (es) 1975-09-15
ATA550075A (de) 1977-01-15
FI752160A (fr) 1976-02-20
IT1040482B (it) 1979-12-20
AT338896B (de) 1977-09-26

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