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FR563211A - Improvements to sound diaphragms - Google Patents

Improvements to sound diaphragms

Info

Publication number
FR563211A
FR563211A FR563211DA FR563211A FR 563211 A FR563211 A FR 563211A FR 563211D A FR563211D A FR 563211DA FR 563211 A FR563211 A FR 563211A
Authority
FR
France
Prior art keywords
diaphragms
sound
sound diaphragms
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.)
Societe Francaise Radio Electrique
Original Assignee
Societe Francaise Radio Electrique
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 Societe Francaise Radio Electrique filed Critical Societe Francaise Radio Electrique
Application granted granted Critical
Publication of FR563211A publication Critical patent/FR563211A/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
    • H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
FR563211D 1922-05-20 1922-05-20 Improvements to sound diaphragms Expired FR563211A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR563211T 1922-05-20

Publications (1)

Publication Number Publication Date
FR563211A true FR563211A (en) 1923-11-29

Family

ID=8944863

Family Applications (1)

Application Number Title Priority Date Filing Date
FR563211D Expired FR563211A (en) 1922-05-20 1922-05-20 Improvements to sound diaphragms

Country Status (2)

Country Link
FR (1) FR563211A (en)
GB (1) GB197958A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1413170A2 (en) 2001-07-19 2004-04-28 Koninklijke Philips Electronics N.V. Electroacoustic transducer comprising a membrane with an improved pleats area

Also Published As

Publication number Publication date
GB197958A (en) 1924-06-12

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