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HK1008647A1 - Loudspeakers comprising panel-form acoustic radiating elements - Google Patents

Loudspeakers comprising panel-form acoustic radiating elements Download PDF

Info

Publication number
HK1008647A1
HK1008647A1 HK98109452A HK98109452A HK1008647A1 HK 1008647 A1 HK1008647 A1 HK 1008647A1 HK 98109452 A HK98109452 A HK 98109452A HK 98109452 A HK98109452 A HK 98109452A HK 1008647 A1 HK1008647 A1 HK 1008647A1
Authority
HK
Hong Kong
Prior art keywords
panel
radiator
baffle
form loudspeaker
loudspeaker according
Prior art date
Application number
HK98109452A
Other languages
German (de)
English (en)
French (fr)
Chinese (zh)
Other versions
HK1008647B (en
Inventor
Azima Henry
Colloms Martin
Harris Neil
Original Assignee
New Transducers Limited
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34865233&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK1008647(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from GBGB9517918.0A external-priority patent/GB9517918D0/en
Priority claimed from GBGB9522281.6A external-priority patent/GB9522281D0/en
Priority claimed from GBGB9606836.6A external-priority patent/GB9606836D0/en
Application filed by New Transducers Limited filed Critical New Transducers Limited
Publication of HK1008647A1 publication Critical patent/HK1008647A1/en
Publication of HK1008647B publication Critical patent/HK1008647B/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H04R7/045—Plane diaphragms using the distributed mode principle, i.e. whereby the acoustic radiation is emanated from uniformly distributed free bending wave vibration induced in a stiff panel and not from pistonic motion
    • 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 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2803—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means for loudspeaker transducers
    • 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 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
    • H04R1/2819—Enclosures comprising vibrating or resonating arrangements of the bass reflex type for loudspeaker transducers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)
HK98109452.5A 1995-09-02 1996-09-02 Loudspeakers comprising panel-form acoustic radiating elements HK1008647B (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
GBGB9517918.0A GB9517918D0 (en) 1995-09-02 1995-09-02 Acoustic device
GB9517918 1995-09-02
GBGB9522281.6A GB9522281D0 (en) 1995-10-31 1995-10-31 Acoustic device
GB9522281 1995-10-31
GB9606836 1996-03-30
GBGB9606836.6A GB9606836D0 (en) 1996-03-30 1996-03-30 Acoustic device
PCT/GB1996/002140 WO1997009840A2 (en) 1995-09-02 1996-09-02 Loudspeakers comprising panel-form acoustic radiating elements

Publications (2)

Publication Number Publication Date
HK1008647A1 true HK1008647A1 (en) 1999-05-14
HK1008647B HK1008647B (en) 2000-03-24

Family

ID=

Also Published As

Publication number Publication date
RO119046B1 (ro) 2004-02-27
WO1997009840A3 (en) 1997-04-03
DE69601723T2 (de) 1999-09-16
ES2131953T3 (es) 1999-08-01
JPH11512246A (ja) 1999-10-19
EP0847659B1 (en) 1999-03-10
DE69601723D1 (de) 1999-04-15
AU702920B2 (en) 1999-03-11
EA199800249A1 (ru) 1998-08-27
CA2230702A1 (en) 1997-03-13
EP0847659A1 (en) 1998-06-17
EA002108B1 (ru) 2001-12-24
WO1997009840A2 (en) 1997-03-13
DK0847659T3 (da) 1999-09-27
AU6880296A (en) 1997-03-27
ATE177574T1 (de) 1999-03-15

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20050902