BR7505266A - Capsula de microfone a carvao aperfeicoada - Google Patents

Capsula de microfone a carvao aperfeicoada

Info

Publication number
BR7505266A
BR7505266A BR7505266*D BR7505266D BR7505266A BR 7505266 A BR7505266 A BR 7505266A BR 7505266 D BR7505266 D BR 7505266D BR 7505266 A BR7505266 A BR 7505266A
Authority
BR
Brazil
Prior art keywords
cooked
perfect
microphone capsule
capsule
microphone
Prior art date
Application number
BR7505266*D
Other languages
English (en)
Portuguese (pt)
Inventor
E Mueller
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 BR7505266A publication Critical patent/BR7505266A/pt

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)
BR7505266*D 1974-08-19 1975-08-18 Capsula de microfone a carvao aperfeicoada BR7505266A (pt)

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 (1)

Publication Number Publication Date
BR7505266A true BR7505266A (pt) 1976-08-03

Family

ID=25767572

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7505266*D BR7505266A (pt) 1974-08-19 1975-08-18 Capsula de microfone a carvao aperfeicoada

Country Status (9)

Country Link
AR (1) AR203525A1 (cs)
AT (1) AT338896B (cs)
BR (1) BR7505266A (cs)
CH (1) CH591197A5 (cs)
FI (1) FI752160A7 (cs)
FR (1) FR2282766A1 (cs)
GB (1) GB1510870A (cs)
IT (1) IT1040482B (cs)
SE (1) SE409538B (cs)

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
GB1510870A (en) 1978-05-17
SE7509277L (sv) 1976-02-20
IT1040482B (it) 1979-12-20
CH591197A5 (cs) 1977-09-15
SE409538B (sv) 1979-08-20
ATA550075A (de) 1977-01-15
FR2282766A1 (fr) 1976-03-19
AR203525A1 (es) 1975-09-15
FI752160A7 (cs) 1976-02-20
AT338896B (de) 1977-09-26

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