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FR2274194B1 - - Google Patents

Info

Publication number
FR2274194B1
FR2274194B1 FR7420624A FR7420624A FR2274194B1 FR 2274194 B1 FR2274194 B1 FR 2274194B1 FR 7420624 A FR7420624 A FR 7420624A FR 7420624 A FR7420624 A FR 7420624A FR 2274194 B1 FR2274194 B1 FR 2274194B1
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
FR7420624A
Other languages
French (fr)
Other versions
FR2274194A1 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7420624A priority Critical patent/FR2274194A1/fr
Priority to MC1132A priority patent/MC1049A1/xx
Publication of FR2274194A1 publication Critical patent/FR2274194A1/fr
Application granted granted Critical
Publication of FR2274194B1 publication Critical patent/FR2274194B1/fr
Granted 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
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • 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
    • H04R7/26—Damping by means acting directly on free portion of diaphragm or cone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
FR7420624A 1974-06-07 1974-06-07 Haut-parleurs electrodynamiques Granted FR2274194A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7420624A FR2274194A1 (fr) 1974-06-07 1974-06-07 Haut-parleurs electrodynamiques
MC1132A MC1049A1 (fr) 1974-06-07 1974-12-04 Haut-parleurs électrodynamiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7420624A FR2274194A1 (fr) 1974-06-07 1974-06-07 Haut-parleurs electrodynamiques

Publications (2)

Publication Number Publication Date
FR2274194A1 FR2274194A1 (fr) 1976-01-02
FR2274194B1 true FR2274194B1 (ja) 1977-10-07

Family

ID=9140036

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7420624A Granted FR2274194A1 (fr) 1974-06-07 1974-06-07 Haut-parleurs electrodynamiques

Country Status (2)

Country Link
FR (1) FR2274194A1 (ja)
MC (1) MC1049A1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5379525A (en) * 1976-12-23 1978-07-14 Sony Corp Compound diaphtagm for speakers
FR2500705B1 (fr) * 1981-02-25 1988-07-08 Leybold Heraeus Sogev Dispositif de transmission de vibrations basses frequences
US4440259A (en) * 1981-08-07 1984-04-03 John Strohbeen Loudspeaker system for producing coherent sound
FR2583605A1 (fr) * 1985-06-14 1986-12-19 Zamora Castro Haut-parleur a deux aimants et membrane a suspension centrale

Also Published As

Publication number Publication date
MC1049A1 (fr) 1975-10-10
FR2274194A1 (fr) 1976-01-02

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Legal Events

Date Code Title Description
ST Notification of lapse