EP0256593A3 - Lautsprechersystem und Lautsprecher zur Umwandlung eines n-bit-digitalisierten, elektrischen Signals in ein akustisches Signal - Google Patents

Lautsprechersystem und Lautsprecher zur Umwandlung eines n-bit-digitalisierten, elektrischen Signals in ein akustisches Signal Download PDF

Info

Publication number
EP0256593A3
EP0256593A3 EP87201485A EP87201485A EP0256593A3 EP 0256593 A3 EP0256593 A3 EP 0256593A3 EP 87201485 A EP87201485 A EP 87201485A EP 87201485 A EP87201485 A EP 87201485A EP 0256593 A3 EP0256593 A3 EP 0256593A3
Authority
EP
European Patent Office
Prior art keywords
loudspeaker
voice
converting
coil devices
transducer
Prior art date
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Withdrawn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
English (en)
French (fr)
Other versions
EP0256593A2 (de
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.)
Filing date
Publication date
Priority claimed from NL8303184A external-priority patent/NL8303184A/nl
Application filed by Philips Gloeilampenfabrieken NV, Koninklijke Philips Electronics NV filed Critical Philips Gloeilampenfabrieken NV
Priority to EP87201485A priority Critical patent/EP0256593A3/de
Publication of EP0256593A2 publication Critical patent/EP0256593A2/de
Publication of EP0256593A3 publication Critical patent/EP0256593A3/de
Withdrawn legal-status Critical Current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 Lautsprechersystem und Lautsprecher zur Umwandlung eines n-bit-digitalisierten, elektrischen Signals in ein akustisches Signal Withdrawn EP0256593A3 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP87201485A EP0256593A3 (de) 1983-09-15 1984-09-12 Lautsprechersystem und Lautsprecher zur Umwandlung eines n-bit-digitalisierten, elektrischen Signals in ein akustisches Signal

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 (de) 1983-09-15 1984-09-12 Lautsprechersystem und Lautsprecher zur Umwandlung eines n-bit-digitalisierten, elektrischen Signals in ein akustisches Signal

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP84201316.1 Division 1984-09-12
EP84201316A Division EP0141447B1 (de) 1983-09-15 1984-09-12 Lautsprechersystem und Lautsprecher zur Umwandlung eines n-bit digitalisierten elektrischen Signals in ein akustisches Signal

Publications (2)

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

Family

ID=26109265

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87201485A Withdrawn EP0256593A3 (de) 1983-09-15 1984-09-12 Lautsprechersystem und Lautsprecher zur Umwandlung eines n-bit-digitalisierten, elektrischen Signals in ein akustisches Signal

Country Status (1)

Country Link
EP (1) EP0256593A3 (de)

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

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 (de) 1988-02-24

Similar Documents

Publication Publication Date Title
DE3467846D1 (en) Loudspeaker system and loudspeaker for converting an n-bit digitized electric signal into an acoustic signal
AU582807B2 (en) Highly efficient coding apparatus for a digital video signal
HUP9902051A2 (hu) Szelektív hívó és hangátviteli rendszer, eljárás távbeszélő kapcsolat létesítésére és hangátvitelre
DE3269710D1 (en) Interleaved digital data and voice communications system and method
KR930022335A (ko) 오디오 신호의 고능률 부호화 장치
EP0170272A3 (en) Voice recording card
CA2150819A1 (en) Gradient Directional Microphone System and Method Therefor
ES8201387A1 (es) Una disposicion para emitir o recibir ondas sonoras
EP0194721A3 (en) Digital sound/data information receiver
JPS6014540A (ja) ビツト圧縮多重化システム
JPH0473333B2 (de)
HK58991A (en) Digital signal processing apparatus having digital dither
EP0141447A3 (en) Loudspeaker system and loudspeaker for converting an n bit digitized electric signal into an acoustic signal
EP0234354B1 (de) Anordnung zur Dekodierung eines digitalen Signals
NZ333770A (en) Digital communication system for apartment buildings and similar structures using existing telephone wires
JP2958726B2 (ja) 反復性をもつサンプル化アナログ信号をコード化しデコードするための装置
EP1071218B1 (de) Differenzielle monadische Kodierung für digitales Audiosignal
JP2826423B2 (ja) セル化符号化方式
JP2890563B2 (ja) Ｐｃｍ音声符号化方法および装置
CA2194199A1 (en) Encoding System and Decoding System for Audio Signals
IT1181455B (it) Dispositivo di protezione del getto di colata
JPH06332499A (ja) ステレオ音声符号化装置
JPS61173541A (ja) 音声・デ−タ受信装置
JPH0286351A (ja) 再生中継器
GB9116808D0 (en) An electronic network for the improvement of stereo sound recording,reinforcement and reproduction systems

Legal Events

Date Code Title Description
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

AC Divisional application: reference to earlier application

Ref document number: 141447

Country of ref document: EP

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE FR GB SE

17P Request for examination filed

Effective date: 19881206

17Q First examination report despatched

Effective date: 19920115

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

18D Application deemed to be withdrawn

Effective date: 19920728

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.