NL7200036A - - Google Patents

Info

Publication number: NL7200036A
Authority: NL; Netherlands

Application number

NL7200036A

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

1972-07-06

1972-01-04 Application filed filed Critical

1972-07-06 Publication of NL7200036A publication Critical patent/NL7200036A/xx

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)

NL7200036A 1971-01-04 1972-01-04 NL7200036A (xx)

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
NL7200036A true NL7200036A (xx)	1972-07-06

Family

ID=9702509

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7200036A NL7200036A (xx)	1971-01-04	1972-01-04

Country Status (15)

Country	Link
US (1)	US3780232A (xx)
AT (1)	AT326744B (xx)
BE (1)	BE777617A (xx)
CH (1)	CH545053A (xx)
DE (2)	DE2166848A1 (xx)
DK (1)	DK138148B (xx)
ES (1)	ES398583A1 (xx)
FI (1)	FI57507C (xx)
FR (1)	FR2121536B1 (xx)
GB (1)	GB1380914A (xx)
IE (1)	IE35948B1 (xx)
IT (1)	IT945663B (xx)
NL (1)	NL7200036A (xx)
NO (1)	NO130255B (xx)
SE (1)	SE379474C (xx)

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 (de) *	1978-10-17	1982-11-11	Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka	Lautsprechermembran und Verfahren zu ihrer Herstellung
DE2905566A1 (de) *	1979-02-14	1980-08-28	Standard Elektrik Lorenz Ag	Universelles kalottenlautsprecher- bauelement
CH639707A5 (de) *	1979-08-16	1983-11-30	Staeubli Ag	Rotationsschaftmaschine.
JPS6042558Y2 (ja) *	1980-04-17	1985-12-27	ソニー株式会社	スピ−カ
US4433214A (en) *	1981-12-24	1984-02-21	Motorola, Inc.	Acoustical transducer with a slotted piston suspension
DE3722832A1 (de) *	1987-07-03	1989-01-12	Electronic Werke Deutschland	Membran fuer einen lautsprecher
US5357587A (en) *	1992-12-23	1994-10-18	Grodinsky Robert M	Distortion reduction in loudspeakers
JP3140895B2 (ja) *	1993-10-08	2001-03-05	パイオニア株式会社	スピーカ装置
AT414069B (de) *	1999-04-22	2006-08-15	Akg Acoustics Gmbh	Elektroakustischer wandler für extreme druckbelastungen
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 (ja) *	2000-11-14	2002-05-24	Sony Corp	スピーカ装置
DE60303189T2 (de) *	2003-09-11	2006-08-24	Akg Acoustics Gmbh	Dynamischer elektroakustischer Wandler, insbesondere kleiner Lautsprecher
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 (zh) *	2013-01-21	2014-12-10	宁海县雁苍山电力建设有限公司	模压组合纸卷筒的制造方法
GB2525429A (en) *	2014-04-24	2015-10-28	Funktion One Res	Loudspeaker
CN204929237U (zh) *	2015-07-31	2015-12-30	常州美欧电子有限公司	移动终端

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 (de) *	1955-09-30	1957-11-25	Siemens Ag	Metallmembran
DE1107712B (de) *	1958-12-31	1961-05-31	Sennheiser Electronic	Verfahren zur Herstellung einer Membran
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 (de) *	1967-07-05	1969-09-10	Philips Nv	Schallwandler mit einer Schaumstoffmembran

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/it active
- 1971-12-29 CH CH1911171A patent/CH545053A/de not_active IP Right Cessation
- 1971-12-30 AT AT1126671A patent/AT326744B/de not_active IP Right Cessation
- 1971-12-30 DE DE19712166848 patent/DE2166848A1/de active Pending
- 1971-12-30 FI FI3744/71A patent/FI57507C/fi active
- 1971-12-30 DE DE2165572A patent/DE2165572C3/de not_active Expired
- 1971-12-31 BE BE777617A patent/BE777617A/xx unknown
1972
- 1972-01-03 FR FR7200005A patent/FR2121536B1/fr not_active Expired
- 1972-01-04 NL NL7200036A patent/NL7200036A/xx not_active Application Discontinuation
- 1972-01-04 SE SE7200063A patent/SE379474C/xx unknown
- 1972-01-04 IE IE2/72A patent/IE35948B1/xx unknown
- 1972-01-04 US US00215332A patent/US3780232A/en not_active Expired - Lifetime
- 1972-01-04 ES ES398583A patent/ES398583A1/es not_active Expired
- 1972-01-04 DK DK2872AA patent/DK138148B/da not_active IP Right Cessation

Also Published As

Publication number	Publication date
BE777617A (fr)	1972-04-17
DE2166848A1 (de)	1976-03-11
GB1380914A (en)	1975-01-15
DK138148B (da)	1978-07-17
CH545053A (de)	1973-11-30
FR2121536A1 (xx)	1972-08-25
FI57507B (fi)	1980-04-30
DK138148C (xx)	1979-01-08
SE379474C (sv)	1981-05-04
IE35948B1 (en)	1976-07-07
US3780232A (en)	1973-12-18
AT326744B (de)	1975-12-29
IE35948L (en)	1972-07-04
SE379474B (xx)	1975-10-06
FI57507C (fi)	1980-08-11
DE2165572A1 (de)	1972-07-20
ES398583A1 (es)	1974-09-16
DE2165572C3 (de)	1981-06-19
NO130255B (xx)	1974-07-29
FR2121536B1 (xx)	1979-08-03
DE2165572B2 (de)	1975-11-06
IT945663B (it)	1973-05-10

Publication	Publication Date	Title
ATA136472A (xx)	1973-12-15
AR196074A1 (xx)	1973-11-30
AU2658571A (xx)	1972-09-21
AU2691671A (xx)	1972-09-28
AU2485671A (xx)	1972-08-03
AU3005371A (xx)	1972-12-21
AU2894671A (xx)	1972-11-23
AU2742671A (xx)	1972-10-12
AU2952271A (xx)	1972-12-07
AU2941471A (xx)	1972-11-30
AU2684071A (xx)	1972-09-28
AU2564071A (xx)	1972-08-24
AU2684171A (xx)	1971-07-15
AU2755871A (xx)	1972-10-19
AU2486471A (xx)	1972-08-03
AU3038671A (xx)	1973-01-04
AU2503871A (xx)	1972-08-10
AU2473671A (xx)	1972-08-03
AU2577671A (xx)	1972-08-24
AU2588771A (xx)	1972-08-31
AU2654071A (xx)	1972-09-21
AU2456871A (xx)	1972-08-17
AU2669471A (xx)	1972-09-21
AU2455871A (xx)	1972-07-27
AU2415871A (xx)	1972-07-13

Legal Events

Date	Code	Title
1980-02-25	BB	A search report has been drawn up
1980-07-25	BC	A request for examination has been filed
1984-09-03	BV	The patent application has lapsed