IE35948L - Electro acoustic transducer - Google Patents

Electro acoustic transducer

Info

Publication number: IE35948L
Authority: IE; Ireland
Prior art keywords: acoustic transducer; electro acoustic; electro; transducer; acoustic
Prior art date: 1971-01-04

Application number

IE720002A

Other versions

IE35948B1 (en

Original Assignee

Rola Celestion 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.)

1971-01-04

Filing date

1972-01-04

Publication date

1972-07-04

1972-01-04 Application filed by Rola Celestion Ltd filed Critical Rola Celestion Ltd

1972-07-04 Publication of IE35948L publication Critical patent/IE35948L/en

1976-07-07 Publication of IE35948B1 publication Critical patent/IE35948B1/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
- H04R7/12—Non-planar diaphragms or cones
- H04R7/127—Non-planar diaphragms or cones dome-shaped
- 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
- H04R7/22—Clamping rim of diaphragm or cone against seating

Landscapes

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

IE2/72A 1971-01-04 1972-01-04 Improvements in or relating to diaphragm assemblies for electroacoustic transducers IE35948B1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB33171*[A GB1380914A (en)	1971-01-04	1971-01-04	Diaphragm assemblies for electro-acoustic transducers

Publications (2)

Publication Number	Publication Date
IE35948L true IE35948L (en)	1972-07-04
IE35948B1 IE35948B1 (en)	1976-07-07

Family

ID=9702509

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IE2/72A IE35948B1 (en)	1971-01-04	1972-01-04	Improvements in or relating to diaphragm assemblies for electroacoustic transducers

Country Status (15)

Country	Link
US (1)	US3780232A (en)
AT (1)	AT326744B (en)
BE (1)	BE777617A (en)
CH (1)	CH545053A (en)
DE (2)	DE2165572C3 (en)
DK (1)	DK138148B (en)
ES (1)	ES398583A1 (en)
FI (1)	FI57507C (en)
FR (1)	FR2121536B1 (en)
GB (1)	GB1380914A (en)
IE (1)	IE35948B1 (en)
IT (1)	IT945663B (en)
NL (1)	NL7200036A (en)
NO (1)	NO130255B (en)
SE (1)	SE379474C (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1531791A (en) *	1976-03-17	1978-11-08	Rank Organisation Ltd	Transducers
JPS5414726A (en) *	1977-07-06	1979-02-03	Hitachi Ltd	Dome type speaker
DE2941644C2 (en) *	1978-10-17	1982-11-11	Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka	Loudspeaker cone and process for their manufacture
DE2905566A1 (en) *	1979-02-14	1980-08-28	Standard Elektrik Lorenz Ag	UNIVERSAL CALOTE SPEAKER COMPONENT
CH639707A5 (en) *	1979-08-16	1983-11-30	Staeubli Ag	ROTATION MACHINE.
JPS6042558Y2 (en) *	1980-04-17	1985-12-27	ソニー株式会社	speaker
US4433214A (en) *	1981-12-24	1984-02-21	Motorola, Inc.	Acoustical transducer with a slotted piston suspension
DE3722832A1 (en) *	1987-07-03	1989-01-12	Electronic Werke Deutschland	Diaphragm for a loudspeaker
US5357587A (en) *	1992-12-23	1994-10-18	Grodinsky Robert M	Distortion reduction in loudspeakers
JP3140895B2 (en) *	1993-10-08	2001-03-05	パイオニア株式会社	Speaker device
AT414069B (en) *	1999-04-22	2006-08-15	Akg Acoustics Gmbh	ELECTRIC ACOUSTIC CONVERTER FOR EXTREME PRESSURE LOADS
US6724910B1 (en)	1999-10-04	2004-04-20	Harman International Industries, Incorporated	Diaphragm stable through hygroscopic cycling
US6351544B1 (en)	1999-12-10	2002-02-26	Harman International Industries Incorporated	Regressively hinged spider
JP2002152885A (en) *	2000-11-14	2002-05-24	Sony Corp	Speaker system
DE60303189T2 (en) *	2003-09-11	2006-08-24	Akg Acoustics Gmbh	Dynamic electroacoustic transducer, especially small speaker
EP1694094A1 (en) *	2005-02-18	2006-08-23	AKG Acoustics GmbH	Membrane for a dynamic converter
WO2007109828A1 (en) *	2006-03-28	2007-10-04	Immersion Technology Property Limited	Loudspeaker system with acoustic equalisation
CN102047690B (en) *	2008-05-21	2013-10-16	佳奈斯新音响有限公司	Speaker
CN103085338B (en) *	2013-01-21	2014-12-10	宁海县雁苍山电力建设有限公司	Manufacturing method of mold pressing combined paper winding drum
GB2525429A (en) *	2014-04-24	2015-10-28	Funktion One Res	Loudspeaker
CN204929237U (en) *	2015-07-31	2015-12-30	常州美欧电子有限公司	Portable terminal

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US685429A (en) *	1901-02-05	1901-10-29	George Osten	Diaphragm for acoustical apparatus.
GB385286A (en) *	1930-03-17	1932-12-22	Walter Greppert	Improvements in and relating to diaphragms, more particularly for sound boxes of talking machines
US2442791A (en) *	1945-09-07	1948-06-08	Bell Telephone Labor Inc	Acoustic device
GB763974A (en) *	1953-10-14	1956-12-19	Koepenick Funkwerk Veb	Electro-acoustic transducer of the moving coil type
US2974204A (en) *	1954-07-06	1961-03-07	Kane Corp Du	Transducer
AT193449B (en) *	1955-09-30	1957-11-25	Siemens Ag	Metal membrane
DE1107712B (en) *	1958-12-31	1961-05-31	Sennheiser Electronic	Method of making a membrane
US3033945A (en) *	1959-05-01	1962-05-08	Ar Inc	Voice coil and diaphragm support for high frequency loud-speaker
US3328537A (en) *	1964-01-09	1967-06-27	Hecht William	High frequency sound translating device
AT274080B (en) *	1967-07-05	1969-09-10	Philips Nv	Sound transducer with a foam membrane

1971
- 1971-01-04 GB GB33171*[A patent/GB1380914A/en not_active Expired
- 1971-12-22 NO NO04781/71A patent/NO130255B/no unknown
- 1971-12-27 IT IT55019/71A patent/IT945663B/en active
- 1971-12-29 CH CH1911171A patent/CH545053A/en not_active IP Right Cessation
- 1971-12-30 AT AT1126671A patent/AT326744B/en not_active IP Right Cessation
- 1971-12-30 FI FI3744/71A patent/FI57507C/en active
- 1971-12-30 DE DE2165572A patent/DE2165572C3/en not_active Expired
- 1971-12-30 DE DE19712166848 patent/DE2166848A1/en active Pending
- 1971-12-31 BE BE777617A patent/BE777617A/en unknown
1972
- 1972-01-03 FR FR7200005A patent/FR2121536B1/fr not_active Expired
- 1972-01-04 ES ES398583A patent/ES398583A1/en not_active Expired
- 1972-01-04 SE SE7200063A patent/SE379474C/en unknown
- 1972-01-04 NL NL7200036A patent/NL7200036A/xx not_active Application Discontinuation
- 1972-01-04 DK DK2872AA patent/DK138148B/en not_active IP Right Cessation
- 1972-01-04 IE IE2/72A patent/IE35948B1/en unknown
- 1972-01-04 US US00215332A patent/US3780232A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
BE777617A (en)	1972-04-17
FI57507C (en)	1980-08-11
SE379474B (en)	1975-10-06
NL7200036A (en)	1972-07-06
DK138148B (en)	1978-07-17
US3780232A (en)	1973-12-18
GB1380914A (en)	1975-01-15
FR2121536B1 (en)	1979-08-03
NO130255B (en)	1974-07-29
FI57507B (en)	1980-04-30
FR2121536A1 (en)	1972-08-25
IE35948B1 (en)	1976-07-07
DK138148C (en)	1979-01-08
DE2165572A1 (en)	1972-07-20
AT326744B (en)	1975-12-29
DE2165572B2 (en)	1975-11-06
DE2165572C3 (en)	1981-06-19
DE2166848A1 (en)	1976-03-11
CH545053A (en)	1973-11-30
SE379474C (en)	1981-05-04
ES398583A1 (en)	1974-09-16
IT945663B (en)	1973-05-10

Publication	Publication Date	Title
CA989972A (en)	1976-05-25	Electroacoustic transducer
CA971288A (en)	1975-07-15	Piezoelectric-type electroacoustic transducer
IT972509B (en)	1974-05-31	ENHANCED HOUSING FOR ELECTRO ACOUSTIC TRANSDUCERS
AU463235B2 (en)	1975-07-17	Transducer
AU5415873A (en)	1974-10-10	Acoustic transducer
IL40818A0 (en)	1973-01-30	Ultrasonic transducer assembly
IE35948L (en)	1972-07-04	Electro acoustic transducer
AU6429474A (en)	1975-07-10	Electro-acoustic transducer
ZA725073B (en)	1973-04-25	Transducers
CA963570A (en)	1975-02-25	Electroacoustic transducer
CA982687A (en)	1976-01-27	Electro-acoustic transducer
ZA728303B (en)	1973-09-26	Acoustic laminates
IL34068A (en)	1973-06-29	Piezoelectric transducer
CA991303A (en)	1976-06-15	Transducer
AU461117B2 (en)	1975-05-15	Electroacoustic transducer
IT957225B (en)	1973-10-10	ELECTROACOUSTIC TRANSDUCER
IT957218B (en)	1973-10-10	ELECTROACOUSTIC TRANSDUCER
AU6687974A (en)	1975-09-25	Electro-acoustic transducers
ZA723062B (en)	1973-04-25	Transducer
GB1440758A (en)	1976-06-23	Force transducers
ZA73857B (en)	1973-11-28	Electroacoustic transducer
CA865343A (en)	1971-03-02	Mechano-electrical transducer
CA882944A (en)	1971-10-05	Mechano-electrical transducer
IL40985A (en)	1975-10-15	Piezo-electric transducer
CA903878A (en)	1972-06-27	Acoustic transducer