FR907524A - Microphone capsules - Google Patents

Microphone capsules

Info

Publication number
FR907524A
FR907524A FR907524DA FR907524A FR 907524 A FR907524 A FR 907524A FR 907524D A FR907524D A FR 907524DA FR 907524 A FR907524 A FR 907524A
Authority
FR
France
Prior art keywords
microphone capsules
capsules
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
Other languages
French (fr)
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR907524A publication Critical patent/FR907524A/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
    • H04R21/00—Variable-resistance transducers
    • H04R21/02—Microphones
    • H04R21/021—Microphones with granular resistance material

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
FR907524D 1943-10-29 1944-10-26 Microphone capsules Expired FR907524A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL613552X 1943-10-29

Publications (1)

Publication Number Publication Date
FR907524A true FR907524A (en) 1946-03-14

Family

ID=19788177

Family Applications (1)

Application Number Title Priority Date Filing Date
FR907524D Expired FR907524A (en) 1943-10-29 1944-10-26 Microphone capsules

Country Status (3)

Country Link
CH (1) CH250533A (en)
FR (1) FR907524A (en)
GB (1) GB613552A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1061825B (en) * 1954-02-26 1959-07-23 Hans Widmaier Coal semolina microphone capsule

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE976947C (en) * 1952-06-25 1964-09-17 Standard Elek K Lorenz Ag Resilient clamping of the membrane of a speech or ear capsule

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1061825B (en) * 1954-02-26 1959-07-23 Hans Widmaier Coal semolina microphone capsule

Also Published As

Publication number Publication date
CH250533A (en) 1947-08-31
GB613552A (en) 1948-11-30

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