IT1013486B - Perfezionamento negli altoparlanti - Google Patents

Perfezionamento negli altoparlanti

Info

Publication number: IT1013486B
Authority: IT; Italy
Prior art keywords: speakers; improvement
Prior art date: 1973-06-21

Application number

IT51549/74A

Other languages

English (en)

Original Assignee

Babbco Ltd

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.)

1973-06-21

Filing date

1974-06-17

Publication date

1977-03-30

1974-06-17 Application filed by Babbco Ltd filed Critical Babbco Ltd

1977-03-30 Application granted granted Critical

1977-03-30 Publication of IT1013486B publication Critical patent/IT1013486B/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
- 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
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
- H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands
- 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
- 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
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
- H04R2307/201—Damping aspects of the outer suspension of loudspeaker diaphragms by addition of additional damping means

Landscapes

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

IT51549/74A 1973-06-21 1974-06-17 Perfezionamento negli altoparlanti IT1013486B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/372,074 US3983337A (en)	1973-06-21	1973-06-21	Broad-band acoustic speaker

Publications (1)

Publication Number	Publication Date
IT1013486B true IT1013486B (it)	1977-03-30

Family

ID=23466608

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT51549/74A IT1013486B (it)	1973-06-21	1974-06-17	Perfezionamento negli altoparlanti

Country Status (13)

Country	Link
US (1)	US3983337A (it)
JP (1)	JPS5542559B2 (it)
AU (1)	AU502616B2 (it)
BE (1)	BE816429A (it)
BR (1)	BR7405068A (it)
CA (1)	CA1034247A (it)
DE (1)	DE2429464A1 (it)
DK (1)	DK335074A (it)
FR (1)	FR2234730B1 (it)
GB (2)	GB1478371A (it)
IT (1)	IT1013486B (it)
NL (1)	NL7408220A (it)
SE (2)	SE400012B (it)

Families Citing this family (46)

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AU2342177A (en) *	1976-03-22	1978-09-21	Babbco Ltd	Loudspeaker. ribbed cone and bearing supported voice coil
JPS531517A (en) *	1976-06-25	1978-01-09	Kenzou Inoue	Dynamic speaker and method of producing same
US4297537A (en) *	1979-07-16	1981-10-27	Babb Burton A	Dynamic loudspeaker
US4360707A (en) *	1980-11-24	1982-11-23	Cts Corporation	Digitally driven combination coils for electrodynamic acoustic transducers
US4450322A (en) *	1981-11-02	1984-05-22	Wilson David A	Adjustable speaker system and method of adjustment
US4565905A (en) *	1982-04-28	1986-01-21	International Jensen Incoporated	Loudspeaker construction
US4465905A (en) *	1982-04-28	1984-08-14	International Jensen Incorporated	Loudspeaker assembly
US4551849A (en) *	1982-05-11	1985-11-05	Nissan Motor Company, Limited	Vehicle panel speaker for automotive audio system utilizing part of a vehicle panel as a sound-producing medium
JPS58215200A (ja) *	1982-06-08	1983-12-14	Nissan Motor Co Ltd	車両用音響装置
US4761817A (en) *	1986-01-27	1988-08-02	Harman International Industries, Incorporated	Diaphragm structure for a transducer
DE3623101A1 (de) *	1986-07-09	1988-01-21	Electronic Werke Deutschland	Lautsprechereinheit
US4964163A (en) *	1988-04-04	1990-10-16	Motorola, Inc.	Method and apparatus for controlling access to a communication system
US4992783A (en) *	1988-04-04	1991-02-12	Motorola, Inc.	Method and apparatus for controlling access to a communication system
JPH0210083U (it) *	1988-06-28	1990-01-23
DE4041858A1 (de) *	1990-12-24	1992-07-02	Nokia Unterhaltungselektronik	Antriebssystem fuer langhubige tieftonlautsprecher
ATE247369T1 (de) *	1991-01-17	2003-08-15	Roger A Adelman	Verbessertes hörgerät
FR2696308A1 (fr) *	1992-09-28	1994-04-01	Rigondeau Robert	Système électro-acoustique à lévitation magnétique et effet de volume.
FR2696611A1 (fr) *	1992-09-28	1994-04-08	Stamp Sa	Transducteur électro-acoustique à volume diffusant.
JP3199336B2 (ja) *	1993-05-06	2001-08-20	東北パイオニア株式会社	スピーカ振動系の支持構造
WO1998035165A1 (en) *	1997-02-11	1998-08-13	1... Ipr Limited	Motors, and bearings therefor
US6111969A (en) *	1997-05-09	2000-08-29	Babb; Burton A.	High fidelity, broad band acoustic loudspeaker
WO2000021329A1 (en) *	1998-10-08	2000-04-13	Babb Burton A	High fidelity, broad band acoustic loudspeaker
US6611604B1 (en) *	1999-10-22	2003-08-26	Stillwater Designs & Audio, Inc.	Ultra low frequency transducer and loud speaker comprising same
US7039213B2 (en) *	2002-01-16	2006-05-02	Hyre David E	Speaker driver
NO317922B1 (no) *	2003-08-25	2005-01-03	Tandberg Telecom As	Magnetmikrofon
JP4463048B2 (ja) *	2004-08-27	2010-05-12	アルパイン株式会社	スピーカー
US8139812B2 (en)	2004-11-19	2012-03-20	Subarna Basnet	Loudspeaker suspension
US7397927B2 (en)	2004-11-19	2008-07-08	Bose Corporation	Loudspeaker suspension
US8077903B2 (en) *	2005-10-25	2011-12-13	Mckenzie Mark Douglas	Method and apparatus for controlling material vibration modes in polymer and paper high performance speaker diaphragms
US8036402B2 (en) *	2005-12-15	2011-10-11	Harman International Industries, Incorporated	Distortion compensation
WO2008011435A2 (en) *	2006-07-17	2008-01-24	Babb Burton A	High fidelity loudspeaker
US20080253590A1 (en) *	2007-04-12	2008-10-16	Szu-Wei Sun	Superior slim type of speaker slim high-powered amplifier
US7931115B2 (en) *	2007-05-31	2011-04-26	Bose Corporation	Diaphragm surrounding
US7699139B2 (en) *	2007-05-31	2010-04-20	Bose Corporation	Diaphragm surround
GB2471884A (en)	2009-07-17	2011-01-19	Gp Acoustics	Loudspeaker driver surround with at least one stiffening tab
KR20110029264A (ko) *	2009-09-15	2011-03-23	주식회사 비에스이	보이스코일 및 이를 이용한 ｓｍｔ 마이크로 스피커
JP2012138887A (ja) *	2010-12-08	2012-07-19	Panasonic Corp	振動板、およびそれを備えたスピーカー装置
US8397861B1 (en)	2012-03-02	2013-03-19	Bose Corporation	Diaphragm surround
CN103957490B (zh) *	2014-04-25	2017-12-12	中山市天键电声有限公司	一种低失真的耳机喇叭支架
US9628917B2 (en) *	2014-07-23	2017-04-18	Bose Corporation	Sound producing system
JP1541116S (it) *	2015-07-22	2016-01-12
DE102015113259B4 (de) *	2015-08-12	2017-05-18	Elac Electroacustic Gmbh	Lautsprecher mit gleichmäßiger Modenverteilung
KR101725728B1 (ko)	2016-05-30	2017-04-13	김중배	모션 피드백 기능을 갖는 차동 스피커 장치
CN110460935A (zh) *	2019-09-19	2019-11-15	深圳东原电子有限公司	一种隐蔽式倒相管条形音箱结构
CN112243189A (zh) *	2020-11-16	2021-01-19	无锡杰夫电声股份有限公司	一种超高频率扬声器
USD1027906S1 (en) *	2021-07-28	2024-05-21	Shenzhen Oceanwing Smart Innovations Technology Co., Ltd	Speaker

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Publication number	Priority date	Publication date	Assignee	Title
US24141A (en) *		1859-05-24		Machine for
US1720008A (en) *	1926-05-28	1929-07-09	Freed Eisemann Radio Corp	Electromagnetically-operating loud-speaking device
US2004735A (en) *	1928-07-27	1935-06-11	Rca Corp	Loud speaker
US1895071A (en) *	1928-09-25	1933-01-24	Herman J Fanger	Dynamic loud speaker unit
US1870417A (en) *	1929-01-15	1932-08-09	Rca Corp	Diaphragm
GB315501A (en) *	1929-01-24	1929-07-18	Robert William Paul	Improvements in or relating to diaphragms for acoustic instruments
FR678577A (fr) *	1929-04-15	1930-04-02		Perfectionnements aux moteurs électro-magnétiques vibrants
NL30952C (it) *	1930-04-03
US2013792A (en) *	1933-02-08	1935-09-10	Telefunken Gmbh	Seamless diaphragm
US1975201A (en) *	1933-08-05	1934-10-02	Frederick W Elworthy	Sound controlling means
FR784124A (fr) *	1934-04-07	1935-07-22		Haut-parleur électrodynamique à membrane plane rigide
US2235654A (en) *	1937-12-31	1941-03-18	Rca Corp	Sound transducer
GB623205A (en) *	1943-06-07	1949-05-13	Standard Telephones Cables Ltd	Improvements in or relating to loudspeakers
US2439666A (en) *	1944-01-31	1948-04-13	Rca Corp	Loudspeaker diaphragm support
US2590554A (en) *	1946-12-04	1952-03-25	Technicon Cardiograph Corp	Electrical recording instrument for electrocardiographs
GB641651A (en) *	1947-04-10	1950-08-16	Cecil Thomas Chapman	Improvements in or relating to loudspeakers or microphones
FR968234A (fr) *	1948-06-18	1950-11-22	Materiel Telephonique	Méthode et dispositif de liaison élastique de pièces vibrantes
US2661412A (en) *	1948-11-10	1953-12-01	Dreyfus Jean Albert	Electromechanical relay
FR1126904A (fr) *	1949-10-11	1956-12-04	O S A E	Perfectionnements apportés à la construction des haut-parleurs
US3085847A (en) *	1956-02-16	1963-04-16	Massa Division Of Cohu Electro	Direct recording oscillograph
US2926221A (en) *	1957-11-21	1960-02-23	William A Kagdis	Loudspeaker construction
DE1092061B (de) *	1959-02-16	1960-11-03	Inst Rundfunktechnik G M B H	Anordnung zur Bedaempfung von Membranen
US3019849A (en) *	1959-07-16	1962-02-06	Gen Dynamics Corp	Loudspeaker diaphragm suspension
US3114429A (en) *	1961-01-16	1963-12-17	Hoffman Electronics Corp	Loudspeaker
DE1191421B (de) *	1962-05-09	1965-04-22	N Izsledovatelski I Pk I Elekt	Dynamischer Lautsprecher
US3201529A (en) *	1962-11-16	1965-08-17	Philip C Surh	Dynamic speaker
US3424873A (en) *	1964-07-15	1969-01-28	Lincoln Walsh	Coherent-sound loudspeaker
US3403235A (en) *	1965-03-17	1968-09-24	Newmarkets Inc	Wide-range loudspeaker
FR1441667A (fr) *	1965-04-27	1966-06-10	Audax	Perfectionnements aux membranes de haut-parleurs
GB1174911A (en) *	1966-06-20	1969-12-17	Audio & Design Ltd	Improvements in or relating to Electro-Acoustic Transducers
JPS4313505Y1 (it) *	1966-11-16	1968-06-08
FR2085287B1 (it) *	1970-01-23	1977-01-21
US3684052A (en) *	1970-02-13	1972-08-15	Hiromi Sotome	Suspension for loudspeaker
DE2243427A1 (de) *	1971-09-04	1973-04-12	Pioneer Electronic Corp	Lautsprecher

1973
- 1973-06-21 US US05/372,074 patent/US3983337A/en not_active Expired - Lifetime
1974
- 1974-05-27 CA CA200,953A patent/CA1034247A/en not_active Expired
- 1974-06-10 GB GB2558374A patent/GB1478371A/en not_active Expired
- 1974-06-10 GB GB5192576A patent/GB1478372A/en not_active Expired
- 1974-06-17 BE BE145505A patent/BE816429A/xx unknown
- 1974-06-17 IT IT51549/74A patent/IT1013486B/it active
- 1974-06-18 DE DE2429464A patent/DE2429464A1/de not_active Ceased
- 1974-06-19 NL NL7408220A patent/NL7408220A/xx not_active Application Discontinuation
- 1974-06-19 SE SE7408098A patent/SE400012B/xx unknown
- 1974-06-20 AU AU7032974A patent/AU502616B2/xx not_active Expired
- 1974-06-20 BR BR5068/74A patent/BR7405068A/pt unknown
- 1974-06-21 JP JP7121274A patent/JPS5542559B2/ja not_active Expired
- 1974-06-21 FR FR7421738A patent/FR2234730B1/fr not_active Expired
- 1974-06-21 DK DK335074A patent/DK335074A/da not_active Application Discontinuation
1977
- 1977-10-06 SE SE7711233A patent/SE7711233L/xx unknown

Also Published As

Publication number	Publication date
FR2234730A1 (it)	1975-01-17
DK335074A (it)	1975-02-17
SE7711233L (sv)	1977-10-06
CA1034247A (en)	1978-07-04
AU502616B2 (en)	1979-08-02
JPS5542559B2 (it)	1980-10-31
AU7032974A (en)	1976-01-08
SE7408098L (it)	1974-12-23
SE400012B (sv)	1978-03-06
GB1478372A (en)	1977-06-29
FR2234730B1 (it)	1978-08-25
NL7408220A (it)	1974-12-24
GB1478371A (en)	1977-06-29
JPS5050036A (it)	1975-05-06
US3983337A (en)	1976-09-28
BR7405068A (pt)	1976-02-17
BE816429A (fr)	1974-12-17
DE2429464A1 (de)	1975-01-16

Publication	Publication Date	Title
IT1013486B (it)	1977-03-30	Perfezionamento negli altoparlanti
IT954319B (it)	1973-08-30	Perfezionamento negli altoparlanti
IT985032B (it)	1974-11-30	Perfezionamento negli obiettivi catottrici
IT1053603B (it)	1981-10-10	Perfezionamento negli elettreti
IT1066615B (it)	1985-03-12	Perfezionamento negli altoparlanti
AT332919B (de)	1976-10-25	Lautsprecher
DK150058C (da)	1987-05-11	Hoejttalersystem
SE389253B (sv)	1976-10-25	Hogtalare
NL7411352A (nl)	1975-02-26	Luidsprekerkast en sterofonisch luidsprekerstel-
AT321388B (de)	1975-03-25	Kopfhörer
IT1019235B (it)	1977-11-10	Perfezionamento negli accumulatori elettrici
IT1003592B (it)	1976-06-10	Microtelefono
AT325125B (de)	1975-10-10	Kopfhörer
IT958655B (it)	1973-10-30	Perfezionamento negli oculometri
BE812498A (fr)	1974-09-19	Gekoelde bemetselde schachtoven en koelpaneel geschikt voor toepaaing in deze schachtoven
IT1015633B (it)	1977-05-20	Altoparlante
BE812759A (fr)	1974-07-15	Etau
BE818744A (fr)	1974-12-02	Huisserie
IT985124B (it)	1974-11-30	Perfezionamento negli obiettivi catottrici
ATA1022673A (de)	1975-01-15	Kopfhoerer
IT1009707B (it)	1976-12-20	Perfezionamento nei trasduttori elettroacustici
BE809436A (nl)	1974-05-02	Zeef
AR193174A1 (es)	1973-03-30	Mejoras en parlantes planos
AR194159A1 (es)	1973-06-22	Mejoras en parlantes planos
IT1051573B (it)	1981-05-20	Perfezionamento nei trasduttori elettro acustici