FR2128578B1 - - Google Patents

Info

Publication number
FR2128578B1
FR2128578B1 FR7207431A FR7207431A FR2128578B1 FR 2128578 B1 FR2128578 B1 FR 2128578B1 FR 7207431 A FR7207431 A FR 7207431A FR 7207431 A FR7207431 A FR 7207431A FR 2128578 B1 FR2128578 B1 FR 2128578B1
Authority
FR
France
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
FR7207431A
Other languages
French (fr)
Other versions
FR2128578A1 (enExample
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of FR2128578A1 publication Critical patent/FR2128578A1/fr
Application granted granted Critical
Publication of FR2128578B1 publication Critical patent/FR2128578B1/fr
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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/127—Non-planar diaphragms or cones dome-shaped

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
FR7207431A 1971-03-04 1972-03-03 Expired FR2128578B1 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2110466 1971-03-04

Publications (2)

Publication Number Publication Date
FR2128578A1 FR2128578A1 (enExample) 1972-10-20
FR2128578B1 true FR2128578B1 (enExample) 1978-03-03

Family

ID=5800565

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7207431A Expired FR2128578B1 (enExample) 1971-03-04 1972-03-03

Country Status (2)

Country Link
DE (1) DE2110466B1 (enExample)
FR (1) FR2128578B1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS574160B2 (enExample) * 1974-01-31 1982-01-25
IT1229706B (it) * 1989-05-11 1991-09-07 Mario Cesati Diaframma per trasduttore elettroacustico, del tipo elettrodinamico a bobina mobile, per la conversione di segnali elettrici in suono e per la diffusione dello stesso

Also Published As

Publication number Publication date
DE2110466B1 (de) 1971-11-18
FR2128578A1 (enExample) 1972-10-20

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Legal Events

Date Code Title Description
ST Notification of lapse