GB1522710A - Low frequency electro-acoustic transducer assembly - Google Patents

Low frequency electro-acoustic transducer assembly

Info

Publication number: GB1522710A
Authority: GB; United Kingdom
Prior art keywords: diaphragm; nodes; movable; diaphragms; fixed
Prior art date: 1974-11-25
Legal status (The legal status 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 status listed.): Expired

Application number

GB47691/75A

Other languages

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Individual

Original Assignee

Individual

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.)

1974-11-25

Filing date

1975-11-19

Publication date

1978-08-23

1975-11-19 Application filed by Individual filed Critical Individual

1978-08-23 Publication of GB1522710A publication Critical patent/GB1522710A/en

Status Expired legal-status Critical Current

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
- H04R9/06—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)
Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)

GB47691/75A 1974-11-25 1975-11-19 Low frequency electro-acoustic transducer assembly Expired GB1522710A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US52666774A	1974-11-25	1974-11-25

Publications (1)

Publication Number	Publication Date
GB1522710A true GB1522710A (en)	1978-08-23

Family

ID=24098275

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB47691/75A Expired GB1522710A (en)	1974-11-25	1975-11-19	Low frequency electro-acoustic transducer assembly

Country Status (10)

Country	Link
JP (1)	JPS5175430A (it)
AU (1)	AU499523B2 (it)
CA (1)	CA1067201A (it)
CH (1)	CH607524A5 (it)
DE (1)	DE2553070A1 (it)
DK (1)	DK529475A (it)
FR (1)	FR2292393A1 (it)
GB (1)	GB1522710A (it)
IT (1)	IT1052385B (it)
SE (1)	SE406409B (it)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19605130A1 (de) *	1996-02-13	1997-08-14	Kurt Schubert	Elektroakustische Rundstrahleinrichtung
WO2007075674A2 (en) *	2005-12-21	2007-07-05	Tymphany Corporation	Linear array transducer and methods of manufacture
WO2009026994A1 (de) *	2007-08-24	2009-03-05	Philip Keller	Breitband-exciter

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3929266C1 (it) *	1989-09-02	1991-01-03	Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De
SE503180C2 (sv) *	1994-08-29	1996-04-15	Centara Patent Ab	Elektroakustisk omvandlare
JP2008042618A (ja) *	2006-08-08	2008-02-21	Sharp Corp	スピーカー装置
JP2008042614A (ja) *	2006-08-08	2008-02-21	Sharp Corp	スピーカー装置
JP2008042615A (ja) *	2006-08-08	2008-02-21	Sharp Corp	スピーカー装置
DE102014218427B4 (de) *	2014-09-15	2016-06-02	Kendrion Kuhnke Automotive GmbH	Lautsprecher, insbesondere elektrodynamischer Lautsprecher

1975
- 1975-11-19 CA CA240,018A patent/CA1067201A/en not_active Expired
- 1975-11-19 GB GB47691/75A patent/GB1522710A/en not_active Expired
- 1975-11-21 AU AU86834/75A patent/AU499523B2/en not_active Expired
- 1975-11-24 FR FR7535762A patent/FR2292393A1/fr not_active Withdrawn
- 1975-11-24 IT IT52370/75A patent/IT1052385B/it active
- 1975-11-24 DK DK529475A patent/DK529475A/da not_active Application Discontinuation
- 1975-11-24 SE SE7513196A patent/SE406409B/xx unknown
- 1975-11-24 CH CH1521875A patent/CH607524A5/xx not_active IP Right Cessation
- 1975-11-25 JP JP50140322A patent/JPS5175430A/ja active Pending
- 1975-11-26 DE DE19752553070 patent/DE2553070A1/de not_active Withdrawn

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19605130A1 (de) *	1996-02-13	1997-08-14	Kurt Schubert	Elektroakustische Rundstrahleinrichtung
WO2007075674A2 (en) *	2005-12-21	2007-07-05	Tymphany Corporation	Linear array transducer and methods of manufacture
WO2007075674A3 (en) *	2005-12-21	2007-08-16	Tymphany Corp	Linear array transducer and methods of manufacture
WO2009026994A1 (de) *	2007-08-24	2009-03-05	Philip Keller	Breitband-exciter

Also Published As

Publication number	Publication date
AU499523B2 (en)	1979-04-26
FR2292393A1 (fr)	1976-06-18
DE2553070A1 (de)	1976-05-26
SE406409B (sv)	1979-02-05
SE7513196L (sv)	1976-05-26
JPS5175430A (en)	1976-06-30
AU8683475A (en)	1977-05-26
DK529475A (da)	1976-05-26
CH607524A5 (it)	1978-12-29
CA1067201A (en)	1979-11-27
IT1052385B (it)	1981-06-20

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Legal Events

Date	Code	Title	Description
1978-12-20	PS	Patent sealed [section 19, patents act 1949]
1982-06-23	PCNP	Patent ceased through non-payment of renewal fee