EP0256593A3 - Système de haut-parleur et haut-parleur pour la conversion d'un signal électrique numérique à n-bits en signal acoustique - Google Patents

Système de haut-parleur et haut-parleur pour la conversion d'un signal électrique numérique à n-bits en signal acoustique Download PDF

Info

Publication number: EP0256593A3
Authority: EP; European Patent Office
Prior art keywords: loudspeaker; voice; converting; coil devices; transducer
Prior art date: 1983-09-15
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP87201485A

Other languages

German (de)

English (en)

Other versions

EP0256593A2 (fr

Inventor

Jorus A. M. Nieuwendijk

Wilhelmus D. A. M. Van Gijsel

Georgius B. J. Sanders

Jacob M. Van Nieuwland

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.)

Koninklijke Philips NV

Original Assignee

Philips Gloeilampenfabrieken NV

Koninklijke Philips Electronics NV

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.)

1983-09-15

Filing date

1984-09-12

Publication date

1988-06-08

1983-09-15 Priority claimed from NL8303184A external-priority patent/NL8303184A/nl

1984-09-12 Application filed by Philips Gloeilampenfabrieken NV, Koninklijke Philips Electronics NV filed Critical Philips Gloeilampenfabrieken NV

1984-09-12 Priority to EP87201485A priority Critical patent/EP0256593A3/fr

1988-02-24 Publication of EP0256593A2 publication Critical patent/EP0256593A2/fr

1988-06-08 Publication of EP0256593A3 publication Critical patent/EP0256593A3/fr

Status Withdrawn legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/005—Details of transducers, loudspeakers or microphones using digitally weighted transducing elements
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/046—Construction
- H04R9/047—Construction in which the windings of the moving coil lay in the same plane

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Circuit For Audible Band Transducer (AREA)

EP87201485A 1983-09-15 1984-09-12 Système de haut-parleur et haut-parleur pour la conversion d'un signal électrique numérique à n-bits en signal acoustique Withdrawn EP0256593A3 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
EP87201485A EP0256593A3 (fr)	1983-09-15	1984-09-12	Système de haut-parleur et haut-parleur pour la conversion d'un signal électrique numérique à n-bits en signal acoustique

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
NL8303184A NL8303184A (nl)	1983-09-15	1983-09-15	Luidsprekersysteem en een luidspreker te gebruiken in een luidsprekersysteem voor het omzetten van een in n bits gedigitaliseerd elektrisch signaal in een akoestisch signaal.
NL8303184		1983-09-15
EP87201485A EP0256593A3 (fr)	1983-09-15	1984-09-12	Système de haut-parleur et haut-parleur pour la conversion d'un signal électrique numérique à n-bits en signal acoustique

Related Parent Applications (2)

Application Number	Title	Priority Date	Filing Date
EP84201316A Division EP0141447B1 (fr)	1983-09-15	1984-09-12	Système de haut-parleur et haut-parleur pour la conversion d'un signal électrique digital à n-bits en signal acoustique
EP84201316.1 Division		1984-09-12

Publications (2)

Publication Number	Publication Date
EP0256593A2 EP0256593A2 (fr)	1988-02-24
EP0256593A3 true EP0256593A3 (fr)	1988-06-08

Family

ID=26109265

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP87201485A Withdrawn EP0256593A3 (fr)	1983-09-15	1984-09-12	Système de haut-parleur et haut-parleur pour la conversion d'un signal électrique numérique à n-bits en signal acoustique

Country Status (1)

Country	Link
EP (1)	EP0256593A3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2006166151A (ja) *	2004-12-09	2006-06-22	Citizen Electronics Co Ltd	ステレオ用スピーカ

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3674946A (en) *	1970-12-23	1972-07-04	Magnepan Inc	Electromagnetic transducer
US4242541A (en) *	1977-12-22	1980-12-30	Olympus Optical Co., Ltd.	Composite type acoustic transducer

1984
- 1984-09-12 EP EP87201485A patent/EP0256593A3/fr not_active Withdrawn

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3674946A (en) *	1970-12-23	1972-07-04	Magnepan Inc	Electromagnetic transducer
US4242541A (en) *	1977-12-22	1980-12-30	Olympus Optical Co., Ltd.	Composite type acoustic transducer

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol. 7, no. 111 (E-175)[1256], 14th May 1983; & JP-A-58 031 699 (PIONEER K.K.) 24-02-1983 *
PATENT ABSTRACTS OF JAPAN, vol. 7, no. 33 (E-157)[1178], 9th February 1983; & JP-A-57 185 798 (SONY K.K.) 16-11-1982 *

Also Published As

Publication number	Publication date
EP0256593A2 (fr)	1988-02-24

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Legal Events

Date	Code	Title	Description
1988-01-09	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1988-02-24	AC	Divisional application: reference to earlier application	Ref document number: 141447 Country of ref document: EP
1988-02-24	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB SE
1988-04-21	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1988-06-08	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB SE
1989-02-08	17P	Request for examination filed	Effective date: 19881206
1992-02-26	17Q	First examination report despatched	Effective date: 19920115
1992-12-03	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
1993-01-20	18D	Application deemed to be withdrawn	Effective date: 19920728
2007-08-08	RIN1	Information on inventor provided before grant (corrected)	Inventor name: VAN NIEUWLAND,JACOB M. Inventor name: SANDERS, GEORGIUS B. J. Inventor name: VAN GIJSEL, WILHELMUS D. A. M. Inventor name: NIEUWENDIJK, JORUS A. M.