PT1372354E - Low frequency loudspeaker - Google Patents

Low frequency loudspeaker Download PDF

Info

Publication number
PT1372354E
PT1372354E PT03101720T PT03101720T PT1372354E PT 1372354 E PT1372354 E PT 1372354E PT 03101720 T PT03101720 T PT 03101720T PT 03101720 T PT03101720 T PT 03101720T PT 1372354 E PT1372354 E PT 1372354E
Authority
PT
Portugal
Prior art keywords
low frequency
frequency loudspeaker
loudspeaker
low
frequency
Prior art date
Application number
PT03101720T
Other languages
Portuguese (pt)
Inventor
Anthony John Andrews
Original Assignee
Anthony John Andrews
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 Anthony John Andrews filed Critical Anthony John Andrews
Publication of PT1372354E publication Critical patent/PT1372354E/en

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
    • H04R1/32—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)
  • Details Of Audible-Bandwidth Transducers (AREA)
PT03101720T 2002-06-14 2003-06-12 Low frequency loudspeaker PT1372354E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0213766A GB0213766D0 (en) 2002-06-14 2002-06-14 Low frequency loudspeaker

Publications (1)

Publication Number Publication Date
PT1372354E true PT1372354E (en) 2011-09-26

Family

ID=9938633

Family Applications (1)

Application Number Title Priority Date Filing Date
PT03101720T PT1372354E (en) 2002-06-14 2003-06-12 Low frequency loudspeaker

Country Status (5)

Country Link
EP (1) EP1372354B1 (en)
DK (1) DK1372354T3 (en)
ES (1) ES2368424T3 (en)
GB (1) GB0213766D0 (en)
PT (1) PT1372354E (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8031897B2 (en) * 2008-04-11 2011-10-04 Bose Corporation System and method for reduced baffle vibration
WO2017104118A1 (en) * 2015-12-17 2017-06-22 パナソニックＩｐマネジメント株式会社 Speaker device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1598310A (en) * 1977-11-04 1981-09-16 Andrews A J Bass sound projection system
JPH05276589A (en) * 1992-03-27 1993-10-22 Matsushita Electric Ind Co Ltd Speaker equipment
DE4424995A1 (en) * 1994-07-15 1996-01-18 Nokia Deutschland Gmbh Bass speaker housing

Also Published As

Publication number Publication date
EP1372354B1 (en) 2011-07-27
EP1372354A3 (en) 2005-11-23
EP1372354A2 (en) 2003-12-17
GB0213766D0 (en) 2002-07-24
ES2368424T3 (en) 2011-11-17
DK1372354T3 (en) 2011-10-31

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