IT1229706B - Diaframma per trasduttore elettroacustico, del tipo elettrodinamico a bobina mobile, per la conversione di segnali elettrici in suono e per la diffusione dello stesso - Google Patents

Diaframma per trasduttore elettroacustico, del tipo elettrodinamico a bobina mobile, per la conversione di segnali elettrici in suono e per la diffusione dello stesso

Info

Publication number: IT1229706B
Authority: IT; Italy
Prior art keywords: diaphragm; diffusion; conversion; itself; sound signals
Prior art date: 1989-05-11

Application number

IT8920460A

Other languages

English (en)

Other versions

IT8920460A0 (it

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.)

1989-05-11

Filing date

1989-05-11

Publication date

1991-09-07

1989-05-11 Application filed by Mario Cesati filed Critical Mario Cesati

1989-05-11 Priority to IT8920460A priority Critical patent/IT1229706B/it

1989-05-11 Publication of IT8920460A0 publication Critical patent/IT8920460A0/it

1990-05-08 Priority to DK90830200.3T priority patent/DK0397621T3/da

1990-05-08 Priority to ES90830200T priority patent/ES2077665T3/es

1990-05-08 Priority to EP90830200A priority patent/EP0397621B1/en

1990-05-08 Priority to DE69022474T priority patent/DE69022474T2/de

1990-05-10 Priority to CA002016478A priority patent/CA2016478A1/en

1990-05-11 Priority to JP2122505A priority patent/JPH0349500A/ja

1991-09-07 Application granted granted Critical

1991-09-07 Publication of IT1229706B publication Critical patent/IT1229706B/it

1992-06-01 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; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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)

IT8920460A 1989-05-11 1989-05-11 Diaframma per trasduttore elettroacustico, del tipo elettrodinamico a bobina mobile, per la conversione di segnali elettrici in suono e per la diffusione dello stesso IT1229706B (it)

Priority Applications (8)

Application Number	Priority Date	Filing Date	Title
IT8920460A IT1229706B (it)	1989-05-11	1989-05-11	Diaframma per trasduttore elettroacustico, del tipo elettrodinamico a bobina mobile, per la conversione di segnali elettrici in suono e per la diffusione dello stesso
DK90830200.3T DK0397621T3 (da)	1989-05-11	1990-05-08	Elektrodynamisk transducer med svingspole og membran
ES90830200T ES2077665T3 (es)	1989-05-11	1990-05-08	Transductor electroacustico de diafragma del tipo electrodinamico de bobina movil.
EP90830200A EP0397621B1 (en)	1989-05-11	1990-05-08	Movable-coil electrodynamic transducer with a diaphragm
DE69022474T DE69022474T2 (de)	1989-05-11	1990-05-08	Elektrodynamischen Schwingspul-Wandler mit einem Membran.
CA002016478A CA2016478A1 (en)	1989-05-11	1990-05-10	Movable-coil electrodynamic transducer diaphragm
JP2122505A JPH0349500A (ja)	1989-05-11	1990-05-11	可動コイル電動式変換器用ダイヤフラムとそれを有する変換器
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 (it)	1989-05-11	1989-05-11	Diaframma per trasduttore elettroacustico, del tipo elettrodinamico a bobina mobile, per la conversione di segnali elettrici in suono e per la diffusione dello stesso

Publications (2)

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

Family

ID=11167283

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT8920460A IT1229706B (it)	1989-05-11	1989-05-11	Diaframma per trasduttore elettroacustico, del tipo elettrodinamico a bobina mobile, per la conversione di segnali elettrici in suono e per la diffusione dello stesso

Country Status (7)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
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 (it) *	2006-01-18	2007-07-19	Outline Di Noselli G & C S N C	Rifasatore regolabileper driver a compressione ed altoparlanti a cupola a radiazione diretta.
JP5049883B2 (ja) *	2008-06-02	2012-10-17	ホシデン株式会社	スピーカ

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE744830C (de) *	1940-07-24	1944-11-21	Klangfilm G M B H	Membran fuer Druckkammerlautsprecher
US2392143A (en) *	1942-11-30	1946-01-01	Rca Corp	Loud-speaker
DE2110466B1 (de) *	1971-03-04	1971-11-18	Standard Elek K Lorenz Ag	Hochtonlautsprecher
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 (ja) *	1981-08-17	1983-02-22	Matsushita Electric Ind Co Ltd	ド−ム型スピ−カ

1989
- 1989-05-11 IT IT8920460A patent/IT1229706B/it active
1990
- 1990-05-08 DK DK90830200.3T patent/DK0397621T3/da active
- 1990-05-08 ES ES90830200T patent/ES2077665T3/es not_active Expired - Lifetime
- 1990-05-08 DE DE69022474T patent/DE69022474T2/de not_active Expired - Fee Related
- 1990-05-08 EP EP90830200A patent/EP0397621B1/en not_active Expired - Lifetime
- 1990-05-10 CA CA002016478A patent/CA2016478A1/en not_active Abandoned
- 1990-05-11 JP JP2122505A patent/JPH0349500A/ja active Pending

Also Published As

Publication number	Publication date
ES2077665T3 (es)	1995-12-01
CA2016478A1 (en)	1990-11-11
DK0397621T3 (da)	1996-02-05
DE69022474T2 (de)	1996-05-23
IT8920460A0 (it)	1989-05-11
JPH0349500A (ja)	1991-03-04
EP0397621B1 (en)	1995-09-20
DE69022474D1 (de)	1995-10-26
EP0397621A2 (en)	1990-11-14
EP0397621A3 (en)	1991-08-28

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