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FR365127A - Microphone with accessories - Google Patents

Microphone with accessories

Info

Publication number
FR365127A
FR365127A FR365127A FR365127DA FR365127A FR 365127 A FR365127 A FR 365127A FR 365127 A FR365127 A FR 365127A FR 365127D A FR365127D A FR 365127DA FR 365127 A FR365127 A FR 365127A
Authority
FR
France
Prior art keywords
accessories
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
FR365127A
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.)
SOC IND DES TELEPHONES CONSTR
Original Assignee
SOC IND DES TELEPHONES CONSTR
Filing date
Publication date
Application filed by SOC IND DES TELEPHONES CONSTR filed Critical SOC IND DES TELEPHONES CONSTR
Application granted granted Critical
Publication of FR365127A publication Critical patent/FR365127A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/001—Two-way communication systems between a limited number of parties
    • 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)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
FR365127A 1906-03-17 Microphone with accessories Expired FR365127A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6738T

Publications (1)

Publication Number Publication Date
FR365127A true FR365127A (en) 1906-09-04

Family

ID=8612053

Family Applications (3)

Application Number Title Priority Date Filing Date
FR19724A Expired FR19724E (en) Microphone with accessories
FR6738A Expired FR6738E (en) Microphone with accessories
FR365127A Expired FR365127A (en) 1906-03-17 Microphone with accessories

Family Applications Before (2)

Application Number Title Priority Date Filing Date
FR19724A Expired FR19724E (en) Microphone with accessories
FR6738A Expired FR6738E (en) Microphone with accessories

Country Status (1)

Country Link
FR (3) FR365127A (en)

Also Published As

Publication number Publication date
FR6738E (en) 1907-02-08
FR19724E (en) 1915-07-06

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