FR335146A - Microphone device system - Google Patents

Microphone device system

Info

Publication number
FR335146A
FR335146A FR335146A FR335146DA FR335146A FR 335146 A FR335146 A FR 335146A FR 335146 A FR335146 A FR 335146A FR 335146D A FR335146D A FR 335146DA FR 335146 A FR335146 A FR 335146A
Authority
FR
France
Prior art keywords
device system
microphone device
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
FR335146A
Other languages
French (fr)
Inventor
Paul-Julien Tariel
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.)
PAUL-JULIEN TARIEL
Original Assignee
PAUL-JULIEN TARIEL
Filing date
Publication date
Application filed by PAUL-JULIEN TARIEL filed Critical PAUL-JULIEN TARIEL
Application granted granted Critical
Publication of FR335146A publication Critical patent/FR335146A/en
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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • H04R7/22—Clamping rim of diaphragm or cone against seating
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
FR335146A 1903-09-10 Microphone device system Expired FR335146A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR5887T

Publications (1)

Publication Number Publication Date
FR335146A true FR335146A (en) 1904-01-12

Family

ID=8606974

Family Applications (2)

Application Number Title Priority Date Filing Date
FR5887A Expired FR5887E (en) Microphone device system
FR335146A Expired FR335146A (en) 1903-09-10 Microphone device system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR5887A Expired FR5887E (en) Microphone device system

Country Status (1)

Country Link
FR (2) FR335146A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3976083A (en) * 1975-02-27 1976-08-24 Schmidt Jakob E Brassiere having simulated nipples

Also Published As

Publication number Publication date
FR5887E (en) 1906-07-13

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