DK113988D0 - MEMBRANE SYSTEM WITH A ROTATION SYMMETRIC, BENDING RIFT PLATE AS A SOUND BREAKING OR RECEIVING ELEMENT FOR A SOUND EATER AND APPLICATIONS OF THE MEMBRANE SYSTEM - Google Patents

MEMBRANE SYSTEM WITH A ROTATION SYMMETRIC, BENDING RIFT PLATE AS A SOUND BREAKING OR RECEIVING ELEMENT FOR A SOUND EATER AND APPLICATIONS OF THE MEMBRANE SYSTEM

Info

Publication number: DK113988D0
Authority: DK; Denmark
Prior art keywords: membrane system; sound; eater; rift; bending
Prior art date: 1986-07-04

Application number

DK113988A

Other languages

Danish (da)

Other versions

DK113988A (en

Inventor

Helmut Krueger

Original Assignee

Ant Nachrichtentech

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.)

1986-07-04

Filing date

1988-03-03

Publication date

1988-03-03

1986-07-04 Priority claimed from DE19863622526 external-priority patent/DE3622526A1/en

1986-07-04 Priority claimed from DE19868617965 external-priority patent/DE8617965U1/en

1988-03-03 Application filed by Ant Nachrichtentech filed Critical Ant Nachrichtentech

1988-03-03 Publication of DK113988D0 publication Critical patent/DK113988D0/en

1988-03-03 Publication of DK113988A publication Critical patent/DK113988A/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
- 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
- H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Physics & Mathematics (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Diaphragms For Electromechanical Transducers (AREA)
Apparatuses For Generation Of Mechanical Vibrations (AREA)

DK113988A 1986-07-04 1988-03-03 MEMBRANE SYSTEM WITH A ROTATION SYMMETRIC, BENDING RIFT PLATE AS A SOUND BREAKING OR RECEIVING ELEMENT FOR A SOUND EATER AND APPLICATIONS OF THE MEMBRANE SYSTEM DK113988A (en)

Applications Claiming Priority (5)

Application Number	Priority Date	Filing Date	Title
DE19863622526 DE3622526A1 (en)	1986-07-04	1986-07-04	Flexurally rigid plate, particularly calotte for a sound transducer
DE8617947		1986-07-04
DE19868617965 DE8617965U1 (en)	1986-07-04	1986-07-04	Part of a sound transducer
DE3718824		1987-06-05
PCT/DE1987/000275 WO1988000423A1 (en)	1986-07-04	1987-06-19	Membrane system with flexion-resistant rotationally symmetric plate for use as a sound reflecting or receiving element

Publications (2)

Publication Number	Publication Date
DK113988D0 true DK113988D0 (en)	1988-03-03
DK113988A DK113988A (en)	1988-03-03

Family

ID=27433633

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK113988A DK113988A (en)	1986-07-04	1988-03-03	MEMBRANE SYSTEM WITH A ROTATION SYMMETRIC, BENDING RIFT PLATE AS A SOUND BREAKING OR RECEIVING ELEMENT FOR A SOUND EATER AND APPLICATIONS OF THE MEMBRANE SYSTEM

Country Status (5)

Country	Link
EP (1)	EP0313560B1 (en)
JP (1)	JPH01503189A (en)
DE (1)	DE3775563D1 (en)
DK (1)	DK113988A (en)
WO (1)	WO1988000423A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3838853C1 (en) *	1988-09-30	1989-11-30	Ant Nachrichtentechnik Gmbh, 7150 Backnang, De
JP4749402B2 (en) *	2007-09-28	2011-08-17	フォスター電機株式会社	Diaphragm for electroacoustic transducer
GB2534859B (en) *	2015-01-30	2020-06-10	B&W Group Ltd	Diaphragm for a loudspeaker drive unit or a microphone

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3125647A (en) *		1964-03-17		Frequency-o cycles sec
US1872081A (en) *	1927-11-07	1932-08-16	Jesse B Hawley	Sound radiator
AT274080B (en) *	1967-07-05	1969-09-10	Philips Nv	Sound transducer with a foam membrane
US3586121A (en) *	1969-03-03	1971-06-22	Nippon Musical Instruments Mfg	Diaphragm for loudspeakers
DE2651026A1 (en) *	1976-11-09	1978-05-18	Helmut Dipl Ing Krueger	Determn. of radial thickness variation of loudspeaker diaphragm - uses equation based on specified external measurements of cone
JPS53119023A (en) *	1977-03-26	1978-10-18	Kenzou Inoue	Moving coil type sound converting vibration plate
DE3123098C2 (en) *	1981-06-11	1983-06-01	Martin 4600 Dortmund Stute	Membrane for electroacoustic transducer systems

1987
- 1987-06-19 DE DE8787903856T patent/DE3775563D1/en not_active Expired - Fee Related
- 1987-06-19 EP EP19870903856 patent/EP0313560B1/en not_active Expired - Lifetime
- 1987-06-19 WO PCT/DE1987/000275 patent/WO1988000423A1/en active IP Right Grant
- 1987-06-19 JP JP50370387A patent/JPH01503189A/en active Pending
1988
- 1988-03-03 DK DK113988A patent/DK113988A/en unknown

Also Published As

Publication number	Publication date
EP0313560B1 (en)	1991-12-27
DK113988A (en)	1988-03-03
WO1988000423A1 (en)	1988-01-14
JPH01503189A (en)	1989-10-26
EP0313560A1 (en)	1989-05-03
DE3775563D1 (en)	1992-02-06

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