CH545053A - Electroacoustic converter - Google Patents

Electroacoustic converter

Info

Publication number: CH545053A
Authority: CH; Switzerland
Prior art keywords: electroacoustic converter; electroacoustic; converter
Prior art date: 1971-01-04

Application number

CH1911171A

Other languages

German (de)

Inventor

Russell Ward Leslie

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

1971-12-29

Publication date

1973-11-30

1971-12-29 Application filed by Rola Celestion Ltd filed Critical Rola Celestion Ltd

1973-11-30 Publication of CH545053A publication Critical patent/CH545053A/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)

CH1911171A 1971-01-04 1971-12-29 Electroacoustic converter CH545053A (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 (1)

Publication Number	Publication Date
CH545053A true CH545053A (en)	1973-11-30

Family

ID=9702509

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH1911171A CH545053A (en)	1971-01-04	1971-12-29	Electroacoustic converter

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
ATE315880T1 (en) *	2003-09-11	2006-02-15	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
AU2007231525A1 (en) *	2006-03-28	2007-10-04	Immersion Technology Property Limited	Loudspeaker system with acoustic equalisation
US8848960B2 (en) *	2008-05-21	2014-09-30	Genus Audio Corp.	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 DE DE2165572A patent/DE2165572C3/en not_active Expired
- 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 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 US US00215332A patent/US3780232A/en not_active Expired - Lifetime
- 1972-01-04 ES ES398583A patent/ES398583A1/en not_active Expired
- 1972-01-04 DK DK2872AA patent/DK138148B/en not_active IP Right Cessation
- 1972-01-04 SE SE7200063A patent/SE379474C/en unknown
- 1972-01-04 NL NL7200036A patent/NL7200036A/xx not_active Application Discontinuation
- 1972-01-04 IE IE2/72A patent/IE35948B1/en unknown

Also Published As

Publication number	Publication date
DK138148C (en)	1979-01-08
NL7200036A (en)	1972-07-06
FR2121536B1 (en)	1979-08-03
DE2165572B2 (en)	1975-11-06
DE2166848A1 (en)	1976-03-11
ES398583A1 (en)	1974-09-16
FR2121536A1 (en)	1972-08-25
GB1380914A (en)	1975-01-15
US3780232A (en)	1973-12-18
DE2165572A1 (en)	1972-07-20
NO130255B (en)	1974-07-29
IE35948L (en)	1972-07-04
SE379474C (en)	1981-05-04
BE777617A (en)	1972-04-17
FI57507B (en)	1980-04-30
IT945663B (en)	1973-05-10
SE379474B (en)	1975-10-06
DE2165572C3 (en)	1981-06-19
IE35948B1 (en)	1976-07-07
FI57507C (en)	1980-08-11
DK138148B (en)	1978-07-17
AT326744B (en)	1975-12-29

Legal Events

Date	Code	Title	Description
1984-08-31	PL	Patent ceased

Publication	Publication Date	Title
DK140360B (en)	1979-08-06	Electroacoustic converter.
NL161932B (en)	1979-10-15	DC-AC-AC CONVERTER.
CH524943A (en)	1972-06-30	Electroacoustic converter
SE418572B (en)	1981-06-15	EARPHONE
ATA311772A (en)	1976-03-15	SPORTSHOE
DK137820B (en)	1978-05-08	Electroacoustic converter.
BE802780A (en)	1974-01-25	ELECTRO-ACOUSTIC CONVERTER
NO132745C (en)	1983-12-28	ELECTROACUSTIC CONVERTER
CH545053A (en)	1973-11-30	Electroacoustic converter
BR7208381D0 (en)	1973-08-30	ELETRETE MICROPHONE
DK135896B (en)	1977-07-11	??
NL164722C (en)	1981-01-15	ELECTRO-ACOUSTIC CONVERTER.
AT329438B (en)	1976-05-10	AIRLIFTER
SE7506320L (en)	1975-06-03	ELECTROMECHANICAL CONVERTER
NL151609B (en)	1976-11-15	ELECTRO-ACOUSTIC CONVERSION DEVICE.
SE392372B (en)	1977-03-21	ELECTROMECHANICAL CONVERTER
CH539845A (en)	1973-07-31	Electroacoustic converter
IT950664B (en)	1973-06-20	RADIOGONIOMETRIC PROCEDURE
AT325420B (en)	1975-10-27	CORONAGENERATOR
BE777479A (en)	1972-04-17	CONNECTIONS
AT342779B (en)	1978-04-25	TOOTHPASES
CH551693A (en)	1974-07-15	IMAGE CONVERTER.
FI54279C (en)	1978-11-10	STYRANORDNING FOER OEVERFOERINGSMATERIAL
TR17350A (en)	1975-03-24	6-HIDROXI-DIHIDRO-URASILLERIN IMALINE MAHSUS PROCEDURE
AT309550B (en)	1973-08-27	Electroacoustic converter