ES2050178T3 - Sistema de altavoz. - Google Patents

Sistema de altavoz.

Info

Publication number
ES2050178T3
ES2050178T3 ES89106833T ES89106833T ES2050178T3 ES 2050178 T3 ES2050178 T3 ES 2050178T3 ES 89106833 T ES89106833 T ES 89106833T ES 89106833 T ES89106833 T ES 89106833T ES 2050178 T3 ES2050178 T3 ES 2050178T3
Authority
ES
Spain
Prior art keywords
acoustic path
sound
diaphragm
speaker system
absorbing
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.)
Expired - Lifetime
Application number
ES89106833T
Other languages
English (en)
Spanish (es)
Inventor
Tadashi Tamura
Shuji Saiki
Kazue Sato
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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
Priority claimed from JP63106355A external-priority patent/JPH0775431B2/ja
Priority claimed from JP63109343A external-priority patent/JPH0775432B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of ES2050178T3 publication Critical patent/ES2050178T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04R1/20—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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
ES89106833T 1988-04-28 1989-04-17 Sistema de altavoz. Expired - Lifetime ES2050178T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63106355A JPH0775431B2 (ja) 1988-04-28 1988-04-28 スピーカシステム
JP63109343A JPH0775432B2 (ja) 1988-05-02 1988-05-02 スピーカシステム

Publications (1)

Publication Number Publication Date
ES2050178T3 true ES2050178T3 (es) 1994-05-16

Family

ID=26446466

Family Applications (1)

Application Number Title Priority Date Filing Date
ES89106833T Expired - Lifetime ES2050178T3 (es) 1988-04-28 1989-04-17 Sistema de altavoz.

Country Status (5)

Country Link
EP (1) EP0339425B1 (de)
BR (1) BR8901979A (de)
DK (1) DK170195B1 (de)
ES (1) ES2050178T3 (de)
MX (1) MX171080B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2325586B (en) * 1995-03-14 1999-01-13 Matsushita Electric Industrial Co Ltd Speaker system
GB2302231B (en) * 1995-03-14 1999-01-13 Matsushita Electric Industrial Co Ltd Speaker system
DE19611999C1 (de) * 1996-03-27 1997-07-17 Henkel Kgaa Verfahren zur Herstellung alkoxylierter Fettsäurealkylester
US6008391A (en) * 1997-03-17 1999-12-28 Henkel Kommanditgesellschaft Auf Aktien Process for preparing alkoxylated fatty acid alkyl esters
DE19909272A1 (de) 1999-03-03 2000-09-07 Cognis Deutschland Gmbh Verfahren zur Herstellung alkoxylierter nichtionischer Tenside
GB2464512B (en) * 2008-10-16 2012-11-28 Instigate Media Ltd A sound source
US11310587B2 (en) 2019-10-08 2022-04-19 Bose Corporation Horn loudspeakers
CN116013236A (zh) * 2022-12-27 2023-04-25 武汉轻工大学 共振吸声结构及制造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB402600A (en) * 1931-11-27 1933-12-07 Harold Lister Kirke Improvements in or relating to loudspeakers
GB496504A (en) * 1937-06-25 1938-12-01 Murphy Radio Ltd Improvements in loud speakers
GB963853A (en) * 1961-12-29 1964-07-15 Wharfedale Wireless Works Ltd Loudspeakers
DE1537620A1 (de) * 1967-11-14 1969-12-18 Isophon Werke Gmbh Trichterlautsprecheraggregat
NZ225001A (en) * 1987-06-16 1990-09-26 Matsushita Electric Industrial Co Ltd Loudspeaker: reflected sound waves absorbed

Also Published As

Publication number Publication date
DK170195B1 (da) 1995-06-06
EP0339425A2 (de) 1989-11-02
EP0339425B1 (de) 1994-03-23
DK204589D0 (da) 1989-04-27
BR8901979A (pt) 1989-12-05
EP0339425A3 (en) 1990-01-24
DK204589A (da) 1989-10-29
MX171080B (es) 1993-09-29

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