NL188882C - MEMBRANE SUSPENSION STRUCTURE. - Google Patents

MEMBRANE SUSPENSION STRUCTURE.

Info

Publication number: NL188882C
Authority: NL; Netherlands
Prior art keywords: suspension structure; membrane suspension; membrane; suspension
Prior art date: 1978-11-14

Application number

NL7904338A

Other languages

Dutch (nl)

Other versions

NL7904338A (en

Original Assignee

Lansing Sound

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.)

1978-11-14

Filing date

1979-06-01

Publication date

1992-10-16

1979-06-01 Application filed by Lansing Sound filed Critical Lansing Sound

1980-05-19 Publication of NL7904338A publication Critical patent/NL7904338A/en

1992-10-16 Application granted granted Critical

1992-10-16 Publication of NL188882C publication Critical patent/NL188882C/en

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/06—Arranging circuit leads; Relieving strain on circuit leads
- 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
- 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
- H04R2307/207—Shape aspects of the outer suspension of loudspeaker diaphragms

Landscapes

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

NL7904338A 1978-11-14 1979-06-01 MEMBRANE SUSPENSION STRUCTURE. NL188882C (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US96059778A	1978-11-14	1978-11-14
US96059778		1978-11-14

Publications (2)

Publication Number	Publication Date
NL7904338A NL7904338A (en)	1980-05-19
NL188882C true NL188882C (en)	1992-10-16

Family

ID=25503371

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7904338A NL188882C (en)	1978-11-14	1979-06-01	MEMBRANE SUSPENSION STRUCTURE.

Country Status (6)

Country	Link
JP (1)	JPS5567297A (en)
BE (1)	BE879985A (en)
DE (1)	DE2944445A1 (en)
FR (1)	FR2441979A1 (en)
GB (1)	GB2035008B (en)
NL (1)	NL188882C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2348336A (en) *	1999-03-24	2000-09-27	Edwin William Form	A suspension for diaphragm actuators
GB2374753B (en) *	2001-01-29	2004-12-22	Goodmans Loudspeakers Ltd	Loudspeaker suspension
GB2471884A (en) *	2009-07-17	2011-01-19	Gp Acoustics	Loudspeaker driver surround with at least one stiffening tab
GB2560496B (en)	2017-03-16	2021-09-29	Gp Acoustics Uk Ltd	Loudspeaker driver surround

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB368926A (en) *	1931-01-29	1932-03-17	Victor Talking Machine Co	Improvements in acoustic diaphragms
GB726780A (en) *	1952-01-19	1955-03-23	Cole E K Ltd	Improvements in or relating to sound producing diaphragms
DE1003265B (en) *	1952-11-07	1957-02-28	Walter Kirbach	Centering and holding parts of loudspeaker diaphragms and similar acoustic diaphragms
US2873813A (en) *	1955-07-27	1959-02-17	Hawley Products Co	Acoustic diaphragm and method of construction
US3198283A (en) *	1962-11-09	1965-08-03	Sierra Spun Metals Inc	Loud speaker construction
JPS5548631Y2 (en) *	1975-07-21	1980-11-13
JPS5542552Y2 (en) *	1976-03-30	1980-10-06

1979
- 1979-05-15 JP JP5959879A patent/JPS5567297A/en active Granted
- 1979-05-23 GB GB7918006A patent/GB2035008B/en not_active Expired
- 1979-06-01 NL NL7904338A patent/NL188882C/en not_active IP Right Cessation
- 1979-11-03 DE DE19792944445 patent/DE2944445A1/en not_active Withdrawn
- 1979-11-13 FR FR7927958A patent/FR2441979A1/en active Granted
- 1979-11-13 BE BE2/58204A patent/BE879985A/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
GB2035008A (en)	1980-06-11
JPS5567297A (en)	1980-05-21
GB2035008B (en)	1983-10-12
FR2441979B1 (en)	1984-07-13
BE879985A (en)	1980-05-13
NL7904338A (en)	1980-05-19
DE2944445A1 (en)	1980-05-29
FR2441979A1 (en)	1980-06-13
JPS644400B2 (en)	1989-01-25

Publication	Publication Date	Title
NL7903992A (en)	1979-11-26	MEMBRANE.
IT7920268A0 (en)	1979-02-16	HYDROBOAT.
IT7927485A0 (en)	1979-11-22	SEPARATOR.
NO791819L (en)	1979-12-13	FORMINGSWIRE.
NO793315L (en)	1980-04-22	Diphenylbutyl-piperazinecarboxamide.
NO793079L (en)	1980-03-27	SKJAEREVERKTOEY.
NO793026L (en)	1980-04-15	OEVELSESPROSJEKTIL.
BR7907010A (en)	1980-07-15	DIAPHRAGM
NL7903208A (en)	1979-10-30	ELECTROLYSIS.
NL7902907A (en)	1979-11-07	AMINOCHINOLINS.
NO791658L (en)	1979-11-30	DONKRAFT.
NO790581L (en)	1979-08-23	HYDROSYCLONE SEPARATOR.
NO155776C (en)	1987-05-27	POLYMERISERINGSKATALYSATER.
NL7901174A (en)	1979-08-21	SPEAKER SYSTEM.
NO790827L (en)	1979-09-17	MEMBRANES FOR ELECTROLYSIS.
NL7902417A (en)	1979-10-02	LITHIUM-IODIUM CELL.
NO153063C (en)	1986-01-08	TOEYMYKNINGSPREPARAT.
NO793652L (en)	1980-06-03	MOEBELHENGSEL.
NO150779C (en)	1984-12-12	MULTIPLEKSAPPARAT.
NL7901066A (en)	1979-08-21	MICROPHONE.
NL7812634A (en)	1979-07-05	CONSTRUCTION SYSTEM.
NL7904537A (en)	1979-12-11	CATAMARAN.
NL7802760A (en)	1979-07-17	SPEAKER SUPPORT.
NO146972C (en)	1983-01-12	KULTIVATORROTOR.
NL188882C (en)	1992-10-16	MEMBRANE SUSPENSION STRUCTURE.

Legal Events

Date	Code	Title	Description
1984-06-01	BA	A request for search or an international-type search has been filed
1984-06-01	BB	A search report has been drawn up
1984-07-02	BC	A request for examination has been filed
1985-01-01	A85	Still pending on 85-01-01
1999-08-02	V4	Lapsed because of reaching the maximum lifetime of a patent	Free format text: 19990601