FR369068A - Microphone de grande puissance et de grande clarté - Google Patents

Microphone de grande puissance et de grande clarté

Info

Publication number
FR369068A
FR369068A FR369068A FR369068DA FR369068A FR 369068 A FR369068 A FR 369068A FR 369068 A FR369068 A FR 369068A FR 369068D A FR369068D A FR 369068DA FR 369068 A FR369068 A FR 369068A
Authority
FR
France
Prior art keywords
microphone
clarity
high power
power
clarity microphone
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
FR369068A
Other languages
English (en)
French (fr)
Inventor
Giuseppe Angelini
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR369068A publication Critical patent/FR369068A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R21/00Variable-resistance transducers
    • H04R21/02Microphones
    • H04R21/021Microphones with granular resistance material

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
FR369068A 1906-03-19 1906-08-21 Microphone de grande puissance et de grande clarté Expired FR369068A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT369068X 1906-03-19

Publications (1)

Publication Number Publication Date
FR369068A true FR369068A (fr) 1906-12-28

Family

ID=5722044

Family Applications (1)

Application Number Title Priority Date Filing Date
FR369068A Expired FR369068A (fr) 1906-03-19 1906-08-21 Microphone de grande puissance et de grande clarté

Country Status (2)

Country Link
DE (1) DE190099C (enrdf_load_stackoverflow)
FR (1) FR369068A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE190099C (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
FR369068A (fr) Microphone de grande puissance et de grande clarté
CH37282A (de) Kraftmaschinenanlage
AT41131B (de) Wellen- und Flutkraftmaschine.
CH37666A (de) Kraftmaschinenanlage
CH41836A (de) Elektrischer Lautverstärker
DK9792C (da) Kraftgenerator.
CH35985A (de) Gaskraftmaschinenanlage
CH36440A (de) Gaskraftmaschinenanlage
ES39053A1 (es) Un micrófono de gran potencia y claridad.
FR365623A (fr) Microtéléphone perfectionné
CH38646A (fr) Microphone perfectionné
CH37159A (de) Wärme-Kraftanlage
CH37679A (de) Mikrotelephon ohne Schalltrichter am Mikrophon
CH37953A (de) Isolierte Stromleitung
FI3059A (fi) Vindmotor
ES40425A1 (es) Mejoras en los acumuladores de energía eléctrica.
FR371565A (fr) Marteau-pilon électrique
DK11426C (da) Elektrisk Lydforstærker.
FR383961A (fr) Bois artificiel
FR363537A (fr) Microphone
FR396475A (fr) Microphone perfectionné
FR370212A (fr) Turbine
FR373221A (fr) Turbine
FR372609A (fr) Turbine
CH40092A (de) Kraftmaschine