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
Links
- 238000006243 chemical reaction Methods 0.000 title 1
- 238000009792 diffusion process Methods 0.000 title 1
- 230000005520 electrodynamics Effects 0.000 title 1
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
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)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
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 |
EP90830200A EP0397621B1 (en) | 1989-05-11 | 1990-05-08 | Movable-coil electrodynamic transducer with a diaphragm |
DK90830200.3T DK0397621T3 (en) | 1989-05-11 | 1990-05-08 | Electrodynamic transducer with swing coil and diaphragm |
ES90830200T ES2077665T3 (en) | 1989-05-11 | 1990-05-08 | ELECTROACOUSTIC DIAPHRAGM TRANSDUCER OF THE ELECTRODYNAMIC TYPE OF MOBILE COIL. |
DE69022474T DE69022474T2 (en) | 1989-05-11 | 1990-05-08 | Electrodynamic voice coil transducer with a membrane. |
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000013463A1 (en) * | 1998-08-31 | 2000-03-09 | 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)
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 |
-
1989
- 1989-05-11 IT IT8920460A patent/IT1229706B/en active
-
1990
- 1990-05-08 DE DE69022474T patent/DE69022474T2/en not_active Expired - Fee Related
- 1990-05-08 EP EP90830200A patent/EP0397621B1/en not_active Expired - Lifetime
- 1990-05-08 DK DK90830200.3T patent/DK0397621T3/en active
- 1990-05-08 ES ES90830200T patent/ES2077665T3/en not_active Expired - Lifetime
- 1990-05-10 CA CA002016478A patent/CA2016478A1/en not_active Abandoned
- 1990-05-11 JP JP2122505A patent/JPH0349500A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0397621A2 (en) | 1990-11-14 |
CA2016478A1 (en) | 1990-11-11 |
EP0397621A3 (en) | 1991-08-28 |
JPH0349500A (en) | 1991-03-04 |
EP0397621B1 (en) | 1995-09-20 |
ES2077665T3 (en) | 1995-12-01 |
DK0397621T3 (en) | 1996-02-05 |
DE69022474D1 (en) | 1995-10-26 |
IT1229706B (en) | 1991-09-07 |
DE69022474T2 (en) | 1996-05-23 |
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