IT8920460A0 - DIAPHRAGM FOR ELECTROACOUSTIC TRANSDUCER, OF THE ELECTRODYNAMIC MOVING COIL TYPE, FOR THE CONVERSION OF ELECTRIC SIGNALS INTO SOUND AND FOR THE DIFFUSION OF THE SAME. - Google Patents

DIAPHRAGM FOR ELECTROACOUSTIC TRANSDUCER, OF THE ELECTRODYNAMIC MOVING COIL TYPE, FOR THE CONVERSION OF ELECTRIC SIGNALS INTO SOUND AND FOR THE DIFFUSION OF THE SAME.

Info

Publication number
IT8920460A0
IT8920460A0 IT8920460A IT2046089A IT8920460A0 IT 8920460 A0 IT8920460 A0 IT 8920460A0 IT 8920460 A IT8920460 A IT 8920460A IT 2046089 A IT2046089 A IT 2046089A IT 8920460 A0 IT8920460 A0 IT 8920460A0
Authority
IT
Italy
Prior art keywords
diaphragm
diffusion
sound
conversion
same
Prior art date
Application number
IT8920460A
Other languages
Italian (it)
Other versions
IT1229706B (en
Inventor
Mario Cesati
Original Assignee
Mario Cesati
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 Mario Cesati filed Critical Mario Cesati
Priority to IT8920460A priority Critical patent/IT1229706B/en
Publication of IT8920460A0 publication Critical patent/IT8920460A0/en
Priority to DE69022474T priority patent/DE69022474T2/en
Priority to EP90830200A priority patent/EP0397621B1/en
Priority to ES90830200T priority patent/ES2077665T3/en
Priority to DK90830200.3T priority patent/DK0397621T3/en
Priority to CA002016478A priority patent/CA2016478A1/en
Priority to JP2122505A priority patent/JPH0349500A/en
Application granted granted Critical
Publication of IT1229706B publication Critical patent/IT1229706B/en
Priority to US07/891,852 priority patent/US6222931B1/en

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
    • 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
    • H04R9/02—Details
    • H04R9/022—Cooling arrangements
IT8920460A 1989-05-11 1989-05-11 DIAPHRAGM FOR ELECTROACOUSTIC TRANSDUCER, OF THE ELECTRODYNAMIC TYPE WITH MOBILE COIL, FOR THE CONVERSION OF ELECTRIC SOUND SIGNALS AND FOR THE DIFFUSION OF ITSELF IT1229706B (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
IT8920460A IT1229706B (en) 1989-05-11 1989-05-11 DIAPHRAGM FOR ELECTROACOUSTIC TRANSDUCER, OF THE ELECTRODYNAMIC TYPE WITH MOBILE COIL, FOR THE CONVERSION OF ELECTRIC SOUND SIGNALS AND FOR THE DIFFUSION OF ITSELF
DE69022474T DE69022474T2 (en) 1989-05-11 1990-05-08 Electrodynamic voice coil transducer with a membrane.
EP90830200A EP0397621B1 (en) 1989-05-11 1990-05-08 Movable-coil electrodynamic transducer with a diaphragm
ES90830200T ES2077665T3 (en) 1989-05-11 1990-05-08 ELECTROACOUSTIC DIAPHRAGM TRANSDUCER OF THE ELECTRODYNAMIC TYPE OF MOBILE COIL.
DK90830200.3T DK0397621T3 (en) 1989-05-11 1990-05-08 Electrodynamic transducer with swing coil and diaphragm
CA002016478A CA2016478A1 (en) 1989-05-11 1990-05-10 Movable-coil electrodynamic transducer diaphragm
JP2122505A JPH0349500A (en) 1989-05-11 1990-05-11 Diaphragm for motor-operated moving coil type transducer and transducer with the same
US07/891,852 US6222931B1 (en) 1989-05-11 1992-06-01 High power acoustical transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8920460A IT1229706B (en) 1989-05-11 1989-05-11 DIAPHRAGM FOR ELECTROACOUSTIC TRANSDUCER, OF THE ELECTRODYNAMIC TYPE WITH MOBILE COIL, FOR THE CONVERSION OF ELECTRIC SOUND SIGNALS AND FOR THE DIFFUSION OF ITSELF

Publications (2)

Publication Number Publication Date
IT8920460A0 true IT8920460A0 (en) 1989-05-11
IT1229706B IT1229706B (en) 1991-09-07

Family

ID=11167283

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8920460A IT1229706B (en) 1989-05-11 1989-05-11 DIAPHRAGM FOR ELECTROACOUSTIC TRANSDUCER, OF THE ELECTRODYNAMIC TYPE WITH MOBILE COIL, FOR THE CONVERSION OF ELECTRIC SOUND SIGNALS AND FOR THE DIFFUSION OF ITSELF

Country Status (7)

Country Link
EP (1) EP0397621B1 (en)
JP (1) JPH0349500A (en)
CA (1) CA2016478A1 (en)
DE (1) DE69022474T2 (en)
DK (1) DK0397621T3 (en)
ES (1) ES2077665T3 (en)
IT (1) IT1229706B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU5346399A (en) * 1998-08-31 2000-03-21 Cytec Technology Corp. Pitch carbon composite components for loudspeakers
ITBS20060008A1 (en) * 2006-01-18 2007-07-19 Outline Di Noselli G & C S N C ADJUSTABLE ADJUSTER FOR COMPRESSION DRIVERS AND DOME LAYERS WITH DIRECT RADIATION.
JP5049883B2 (en) * 2008-06-02 2012-10-17 ホシデン株式会社 Speaker

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE744830C (en) * 1940-07-24 1944-11-21 Klangfilm G M B H Membrane for pressure chamber loudspeaker
US2392143A (en) * 1942-11-30 1946-01-01 Rca Corp Loud-speaker
DE2110466B1 (en) * 1971-03-04 1971-11-18 Standard Elek K Lorenz Ag Tweeter
US3895671A (en) * 1972-11-15 1975-07-22 Nippon Musical Instruments Mfg Method of manufacturing a thin sheet of beryllium or an alloy thereof
US3991286A (en) * 1975-06-02 1976-11-09 Altec Corporation Heat dissipating device for loudspeaker voice coil
JPS5830297A (en) * 1981-08-17 1983-02-22 Matsushita Electric Ind Co Ltd Dome type speaker

Also Published As

Publication number Publication date
EP0397621B1 (en) 1995-09-20
DK0397621T3 (en) 1996-02-05
JPH0349500A (en) 1991-03-04
EP0397621A3 (en) 1991-08-28
IT1229706B (en) 1991-09-07
EP0397621A2 (en) 1990-11-14
CA2016478A1 (en) 1990-11-11
DE69022474D1 (en) 1995-10-26
DE69022474T2 (en) 1996-05-23
ES2077665T3 (en) 1995-12-01

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