FR2474800A1 - Transducteur electro-acoustique a membrane en forme d'anneau spherique - Google Patents

Transducteur electro-acoustique a membrane en forme d'anneau spherique Download PDF

Info

Publication number
FR2474800A1
FR2474800A1 FR8101781A FR8101781A FR2474800A1 FR 2474800 A1 FR2474800 A1 FR 2474800A1 FR 8101781 A FR8101781 A FR 8101781A FR 8101781 A FR8101781 A FR 8101781A FR 2474800 A1 FR2474800 A1 FR 2474800A1
Authority
FR
France
Prior art keywords
membrane
electro
acoustic transducer
transducer according
fact
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.)
Granted
Application number
FR8101781A
Other languages
English (en)
French (fr)
Other versions
FR2474800B3 (OSRAM
Inventor
Gianni Mazzacurati
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.)
RCF SpA
Original Assignee
RCF SpA
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 RCF SpA filed Critical RCF SpA
Publication of FR2474800A1 publication Critical patent/FR2474800A1/fr
Application granted granted Critical
Publication of FR2474800B3 publication Critical patent/FR2474800B3/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
FR8101781A 1980-01-30 1981-01-30 Transducteur electro-acoustique a membrane en forme d'anneau spherique Granted FR2474800A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT46808/80A IT1154054B (it) 1980-01-30 1980-01-30 Trasduttore elettroacustico

Publications (2)

Publication Number Publication Date
FR2474800A1 true FR2474800A1 (fr) 1981-07-31
FR2474800B3 FR2474800B3 (OSRAM) 1983-11-18

Family

ID=11258965

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8101781A Granted FR2474800A1 (fr) 1980-01-30 1981-01-30 Transducteur electro-acoustique a membrane en forme d'anneau spherique

Country Status (5)

Country Link
DE (1) DE3102977A1 (OSRAM)
ES (1) ES498869A0 (OSRAM)
FR (1) FR2474800A1 (OSRAM)
GB (1) GB2070389A (OSRAM)
IT (1) IT1154054B (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19618898A1 (de) * 1996-05-10 1997-11-13 Nokia Deutschland Gmbh Lautsprecher

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5878148A (en) * 1996-02-29 1999-03-02 Alexandrov; Svetlomir Compression driver
US10299044B2 (en) * 2013-05-30 2019-05-21 Shure Acquisition Holdings, Inc. Stabilizer for microphone diaphragm

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19618898A1 (de) * 1996-05-10 1997-11-13 Nokia Deutschland Gmbh Lautsprecher
US5898786A (en) * 1996-05-10 1999-04-27 Nokia Technology Gmbh Loudspeakers

Also Published As

Publication number Publication date
DE3102977A1 (de) 1981-11-26
IT1154054B (it) 1987-01-21
GB2070389A (en) 1981-09-03
ES8202234A1 (es) 1982-01-01
IT8046808A1 (it) 1981-07-30
ES498869A0 (es) 1982-01-01
IT8046808A0 (it) 1980-01-30
FR2474800B3 (OSRAM) 1983-11-18

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