FR894354A - Microphone à contact - Google Patents

Microphone à contact

Info

Publication number
FR894354A
FR894354A FR894354DA FR894354A FR 894354 A FR894354 A FR 894354A FR 894354D A FR894354D A FR 894354DA FR 894354 A FR894354 A FR 894354A
Authority
FR
France
Prior art keywords
contact microphone
microphone
contact
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
Original Assignee
Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
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 Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH filed Critical Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
Application granted granted Critical
Publication of FR894354A publication Critical patent/FR894354A/fr
Expired legal-status Critical Current

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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/46—Special adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR894354D 1941-08-08 1943-04-30 Microphone à contact Expired FR894354A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE894354X 1941-08-08

Publications (1)

Publication Number Publication Date
FR894354A true FR894354A (fr) 1944-12-21

Family

ID=6847102

Family Applications (1)

Application Number Title Priority Date Filing Date
FR894354D Expired FR894354A (fr) 1941-08-08 1943-04-30 Microphone à contact

Country Status (1)

Country Link
FR (1) FR894354A (fr)

Similar Documents

Publication Publication Date Title
FR894354A (fr) Microphone à contact
FR879857A (fr) Microphone à condensateur
FR878547A (fr) Microphone
FR887696A (fr) Microphone à condensateur
FR887266A (fr) Mutateur à contact
ES153801A1 (es) Gasógeno perfeccionado
FR884830A (fr) Redresseur à contacts
FR885208A (fr) Redresseur à contacts
FR884173A (fr) Variomètre à diélectrique-air
FI21130A (fi) Sätt att utvinna metaller ur metallhaltiga silikatslagger
FI20918A (fi) Sätt att ur tjäroljor framställa lättflyktiga kolväten
FI20411A (fi) Kontaktljådnar
ES6515Y (es) Alpargata
FI18976A (fi) Randbalk
FI19002A (fi) Äggkartong
FI20165A (fi) Gengasdriven tvåtaktsmotor
FI19991A (fi) Självförstörande tändare
FI20254A (fi) Ljusskyddsmedel
FI20154A (fi) Brödskärningsmaskin
FI20263A (fi) Vibrationssil
ES154981A3 (es) Gasogeno policombustible
ES155368A1 (es) Marmita-termo
FI20311A (fi) Bröstpump
FI18949A (fi) Onduleringsapparat
FI20312A (fi) Träkonstruktion