NL8104838A - Luidspreker. - Google Patents

Luidspreker. Download PDF

Info

Publication number
NL8104838A
NL8104838A NL8104838A NL8104838A NL8104838A NL 8104838 A NL8104838 A NL 8104838A NL 8104838 A NL8104838 A NL 8104838A NL 8104838 A NL8104838 A NL 8104838A NL 8104838 A NL8104838 A NL 8104838A
Authority
NL
Netherlands
Prior art keywords
loudspeaker
membrane
bobbin
horn
cooling device
Prior art date
Application number
NL8104838A
Other languages
English (en)
Dutch (nl)
Original Assignee
Ibuki Kogyo Co Ltd
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
Application filed by Ibuki Kogyo Co Ltd filed Critical Ibuki Kogyo Co Ltd
Publication of NL8104838A publication Critical patent/NL8104838A/nl

Links

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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns
    • 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
    • H04R9/02—Details
    • H04R9/022—Cooling arrangements
    • 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
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
NL8104838A 1981-02-18 1981-10-26 Luidspreker. NL8104838A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2252681 1981-02-18
JP56022526A JPS57136897A (en) 1981-02-18 1981-02-18 Horn speaker

Publications (1)

Publication Number Publication Date
NL8104838A true NL8104838A (nl) 1982-09-16

Family

ID=12085226

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8104838A NL8104838A (nl) 1981-02-18 1981-10-26 Luidspreker.

Country Status (7)

Country Link
US (1) US5166982A (no)
JP (1) JPS57136897A (no)
DE (1) DE3141313C2 (no)
GB (1) GB2094099B (no)
NL (1) NL8104838A (no)
NO (1) NO152355C (no)
SE (1) SE450865B (no)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2122841A (en) * 1982-06-18 1984-01-18 Superior Electronics Corp Loudspeakers
JPS59139794A (ja) * 1983-01-31 1984-08-10 Ibuki Kogyo Kk 漏洩磁場を打消したホ−ンスピ−カ−
GB2145905B (en) * 1983-08-31 1987-05-07 Kobishi Electric Co Ltd Audible warning device
US4963855A (en) * 1990-02-21 1990-10-16 Kobishi Electric Co., Inc. Ltd. Warning sound generating device
GB2305809B (en) 1995-09-28 1997-11-05 Harman Int Ind Power amplifier and loudspeaker frame integration
JP3985987B2 (ja) * 1999-09-27 2007-10-03 パイオニア株式会社 スピーカ装置およびスピーカ装置用冷却装置
US6373957B1 (en) 2001-05-14 2002-04-16 Harman International Industries, Incorporated Loudspeaker structure
CN108513237B (zh) * 2018-05-10 2023-07-18 惠州迪芬尼声学科技股份有限公司 一种具有热电转换装置的扬声器系统
CN108616795B (zh) * 2018-05-10 2023-12-22 惠州迪芬尼声学科技股份有限公司 一种包括主动制冷的扬声器的音箱

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5234977U (no) * 1975-09-04 1977-03-11
US4017694A (en) * 1976-02-18 1977-04-12 Essex Group, Inc. Method for making loudspeaker with magnetic fluid enveloping the voice coil
DE2607390C2 (de) * 1976-02-24 1982-09-23 Braun Ag, 6000 Frankfurt Dynamischer Lautsprecher mit hoher Nennbelastbarkeit
DE2756301A1 (de) * 1976-12-16 1978-06-22 Rank Organisation Ltd Elektroakustischer wandler
DE2740661C3 (de) * 1977-09-09 1980-06-12 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Dynamischer Wandler mit einer Schwingspule in einem mit einer magnetischen Flüssigkeit gefüllten Luftspalt
DE2842999A1 (de) * 1978-10-03 1980-04-24 Braun Ag Vorrichtung zur waermeableitung bei dynamischen lautsprechern
DE2900427B1 (de) * 1979-01-08 1979-08-02 Licentia Gmbh Dynamischer Wandler mit einer Schwingspule in einem mit einer magnetischen Fluessigkeit gefuellten Luftspalt

Also Published As

Publication number Publication date
JPS6335157B2 (no) 1988-07-13
NO152355C (no) 1985-09-11
US5166982A (en) 1992-11-24
NO152355B (no) 1985-06-03
GB2094099B (en) 1984-12-05
SE450865B (sv) 1987-08-03
DE3141313C2 (de) 1983-12-15
GB2094099A (en) 1982-09-08
SE8106131L (sv) 1982-08-19
DE3141313A1 (de) 1982-09-09
JPS57136897A (en) 1982-08-24
NO813458L (no) 1982-08-19

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Legal Events

Date Code Title Description
A1A A request for search or an international-type search has been filed
BB A search report has been drawn up
A85 Still pending on 85-01-01
BC A request for examination has been filed
BV The patent application has lapsed