IT1008673B - Perfezionamento nei trasduttori elettro acustici - Google Patents

Perfezionamento nei trasduttori elettro acustici

Info

Publication number: IT1008673B
Authority: IT; Italy
Prior art keywords: improvement; acoustic transducers; electro acoustic; electro; transducers
Prior art date: 1973-01-08

Application number

IT47591/74A

Other languages

English (en)

Original Assignee

Heil O

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.)

1973-01-08

Filing date

1974-01-08

Publication date

1976-11-30

1974-01-08 Application filed by Heil O filed Critical Heil O

1976-11-30 Application granted granted Critical

1976-11-30 Publication of IT1008673B publication Critical patent/IT1008673B/it

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
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/046—Construction
- H04R9/047—Construction in which the windings of the moving coil lay in the same plane
- 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
- H04R9/063—Loudspeakers using a plurality of acoustic drivers

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Diaphragms For Electromechanical Transducers (AREA)

IT47591/74A 1973-01-08 1974-01-08 Perfezionamento nei trasduttori elettro acustici IT1008673B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US00321826A US3832499A (en)	1973-01-08	1973-01-08	Electro-acoustic transducer

Publications (1)

Publication Number	Publication Date
IT1008673B true IT1008673B (it)	1976-11-30

Family

ID=23252194

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT47591/74A IT1008673B (it)	1973-01-08	1974-01-08	Perfezionamento nei trasduttori elettro acustici

Country Status (10)

Country	Link
US (1)	US3832499A (it)
JP (1)	JPS5542555B2 (it)
AU (1)	AU6429474A (it)
CA (1)	CA979113A (it)
CH (1)	CH567855A5 (it)
DE (1)	DE2400625A1 (it)
FR (1)	FR2213631B1 (it)
GB (1)	GB1432721A (it)
IT (1)	IT1008673B (it)
SE (1)	SE391101B (it)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA964760A (en) *	1973-03-13	1975-03-18	Atkins, Lucien W.	Electro acoustic transducers
JPS5440015Y2 (it) *	1975-04-16	1979-11-27
JPS5619513Y2 (it) *	1975-09-11	1981-05-08
US4056697A (en) *	1976-09-03	1977-11-01	Oskar Heil	Movable diaphragm connector method flexible hinge diaphragm surround and electro-acoustic transducer with folded diaphragm with intermediate flexible portions
JPS5481736U (it) *	1977-11-17	1979-06-09
JPS5485856A (en) *	1977-12-20	1979-07-07	Jihado Arudein Imado	Umbrella
US4354066A (en) *	1980-09-15	1982-10-12	Necoechea Robert W	Rigid-diaphragm transducer with plural coils
NL8102572A (nl) *	1981-05-26	1982-12-16	Philips Nv	Elektroakoestische omzetter van het band-type met lage vervorming en verbeterde gevoeligheid.
US5195143A (en) *	1991-05-31	1993-03-16	Apogee Acoustics, Inc.	Acoustical ribbon transducer loudspeaker system
US5325439A (en) *	1993-10-13	1994-06-28	Smiley Jack R	Loudspeaker apparatus
WO1998020703A1 (en) *	1996-11-07	1998-05-14	Cerwin Vega, Inc.	Improved horn loaded pleated ribbon high frequency acoustic transducer with substantially uniform coupling
WO1998020705A1 (en) *	1996-11-08	1998-05-14	Cerwin Vega, Inc.	Improved suspension for high power pleated ribbon transducer
US6513624B2 (en)	2000-02-03	2003-02-04	C. Ronald Coffin	Loudspeaker enclosure
US20030183888A1 (en) *	2002-03-28	2003-10-02	Eyal Bar-Sadeh	Corrugated diaphragm
US20040213431A1 (en) *	2003-04-25	2004-10-28	Mello William Bernard	Electromagnetic audio transducer and or audio speaker
US20060078135A1 (en) *	2004-10-08	2006-04-13	Royer David E	Ribbon-microphone transducer
US7900337B2 (en) *	2004-10-21	2011-03-08	Shure Incorporated	Method of making composite acoustic transducers
DE602005005936T2 (de) *	2005-01-26	2009-06-04	Harman Becker Automotive Systems Gmbh	Elektroakusticher Wandler
EP1881732A1 (en) *	2006-06-21	2008-01-23	Harman/Becker Automotive Systems GmbH	Magnetic membrane suspension
DE102007029560B4 (de) *	2007-06-26	2010-02-18	Mundorf Eb Gmbh	Membrananordnung für einen Air-Motion-Transformer (AMT) und Schallwandler mit einer solchen Membrananordnung
DE102007062424B4 (de) *	2007-12-20	2010-02-04	Mundorf Eb Gmbh	Magnetantriebsvorrichtung für einen Schallwandler bzw. Lautsprecher-Anordnung mit mindestens einer AMT-Lautsprecher-Einheit
ES2376731B1 (es) *	2010-06-07	2013-02-01	Acústica Beyma, S.L.	Altavoz de diafragma plegado.
DK2848008T3 (en)	2012-05-09	2017-09-25	Christensen Audio Llc	OUTDOOR, WIDE-ANGLE SPEAKER DRIVER
ITRM20120603A1 (it) *	2012-11-29	2014-05-30	Acustica Beyma S L	Altoparlante con diaframma piegato
US11166105B2 (en)	2020-04-02	2021-11-02	Rex PRICE	Movable diaphragms

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3497642A (en) *	1966-02-28	1970-02-24	Intron Int Inc	Transducer diaphragm imbedded with conductively-coated ferromagnetic particles

1973
- 1973-01-08 US US00321826A patent/US3832499A/en not_active Expired - Lifetime
1974
- 1974-01-04 CA CA189,436A patent/CA979113A/en not_active Expired
- 1974-01-04 CH CH7074A patent/CH567855A5/xx not_active IP Right Cessation
- 1974-01-04 FR FR7400205A patent/FR2213631B1/fr not_active Expired
- 1974-01-07 SE SE7400170A patent/SE391101B/xx not_active IP Right Cessation
- 1974-01-08 IT IT47591/74A patent/IT1008673B/it active
- 1974-01-08 DE DE2400625A patent/DE2400625A1/de not_active Withdrawn
- 1974-01-08 AU AU64294/74A patent/AU6429474A/en not_active Expired
- 1974-01-08 GB GB79674A patent/GB1432721A/en not_active Expired
- 1974-01-08 JP JP512374A patent/JPS5542555B2/ja not_active Expired

Also Published As

Publication number	Publication date
GB1432721A (en)	1976-04-22
FR2213631A1 (it)	1974-08-02
US3832499A (en)	1974-08-27
JPS5542555B2 (it)	1980-10-31
JPS49110332A (it)	1974-10-21
SE391101B (sv)	1977-01-31
DE2400625A1 (de)	1974-07-11
FR2213631B1 (it)	1981-02-27
AU6429474A (en)	1975-07-10
CH567855A5 (it)	1975-10-15
CA979113A (en)	1975-12-02

Publication	Publication Date	Title
IT1008673B (it)	1976-11-30	Perfezionamento nei trasduttori elettro acustici
BR7405068A (pt)	1976-02-17	Transdutor acustico
IT1086321B (it)	1985-05-28	Perfezionamento nei trasduttori elettro-acustici
DK135480C (da)	1977-10-17	Hovedmikrotelefon
IT1008672B (it)	1976-11-30	Perfezionamento nei trasduttori acustici a tromba
IT986369B (it)	1975-01-30	Trasduttore elettroacustico
DK150058C (da)	1987-05-11	Hoejttalersystem
AT332919B (de)	1976-10-25	Lautsprecher
IT972504B (it)	1974-05-31	Perfezionametno nei trasduttori elettroacustici
IT989204B (it)	1975-05-20	Trasduttore elettroacustico
IT1003592B (it)	1976-06-10	Microtelefono
IT1052385B (it)	1981-06-20	Perfezionamento nei trasduttori elettroacustici
IT985676B (it)	1974-12-10	Perfezionamento nei emporizzatori
IT977362B (it)	1974-09-10	Perfezionamento nei trasduttori di posizioni angolari
IT1015633B (it)	1977-05-20	Altoparlante
IT1021359B (it)	1978-01-30	Trasduttore elettrostatico perfe zionato
IT990087B (it)	1975-06-20	Perfezionamento nei trasduttori idraulici
IT965193B (it)	1974-01-31	Perfezionamento nei trasduttori piezoelettrici
IT1008819B (it)	1976-11-30	Perfezionamento nei fonorivelatori
BR7301463D0 (pt)	1974-05-16	Transdutor eletroacustico
IT999333B (it)	1976-02-20	Trasduttori
IT1009707B (it)	1976-12-20	Perfezionamento nei trasduttori elettroacustici
FR2324118A1 (fr)	1977-04-08	Perfectionnements aux transducteurs acoustiques
IT985686B (it)	1974-12-10	Perfezionamento nei vibratori
IT989267B (it)	1975-05-20	Perfezionamento nei trasduttori elettroacustici