GB2379827B - Loudspeaker of closed type - Google Patents

Loudspeaker of closed type

Info

Publication number
GB2379827B
GB2379827B GB0202120A GB0202120A GB2379827B GB 2379827 B GB2379827 B GB 2379827B GB 0202120 A GB0202120 A GB 0202120A GB 0202120 A GB0202120 A GB 0202120A GB 2379827 B GB2379827 B GB 2379827B
Authority
GB
United Kingdom
Prior art keywords
loudspeaker
closed type
closed
type
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 - Fee Related
Application number
GB0202120A
Other versions
GB2379827A (en
GB0202120D0 (en
Inventor
Eugenie Sergeyevich Aleshin
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB0202120A priority Critical patent/GB2379827B/en
Publication of GB0202120D0 publication Critical patent/GB0202120D0/en
Publication of GB2379827A publication Critical patent/GB2379827A/en
Application granted granted Critical
Publication of GB2379827B publication Critical patent/GB2379827B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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 
    • H04R1/28—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

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)
GB0202120A 2002-01-23 2002-01-23 Loudspeaker of closed type Expired - Fee Related GB2379827B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0202120A GB2379827B (en) 2002-01-23 2002-01-23 Loudspeaker of closed type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0202120A GB2379827B (en) 2002-01-23 2002-01-23 Loudspeaker of closed type

Publications (3)

Publication Number Publication Date
GB0202120D0 GB0202120D0 (en) 2002-03-20
GB2379827A GB2379827A (en) 2003-03-19
GB2379827B true GB2379827B (en) 2003-07-30

Family

ID=9930030

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0202120A Expired - Fee Related GB2379827B (en) 2002-01-23 2002-01-23 Loudspeaker of closed type

Country Status (1)

Country Link
GB (1) GB2379827B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2408890A (en) * 2003-09-22 2005-06-08 Eugenie Sergeyevich Aleshin Vacuum loudspeaker system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1520118A (en) * 1975-08-11 1978-08-02 Rank Organisation Ltd Transducers
JPS56116394A (en) * 1980-02-19 1981-09-12 Matsushita Electric Ind Co Ltd Speaker system
JPS63305700A (en) * 1987-06-08 1988-12-13 Yoshihiko Ishizeki Pressure reduction system closed box type speaker system
WO1993007729A1 (en) * 1991-10-02 1993-04-15 Noise Cancellation Technologies, Inc. Vacuum speaker

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1520118A (en) * 1975-08-11 1978-08-02 Rank Organisation Ltd Transducers
JPS56116394A (en) * 1980-02-19 1981-09-12 Matsushita Electric Ind Co Ltd Speaker system
JPS63305700A (en) * 1987-06-08 1988-12-13 Yoshihiko Ishizeki Pressure reduction system closed box type speaker system
WO1993007729A1 (en) * 1991-10-02 1993-04-15 Noise Cancellation Technologies, Inc. Vacuum speaker

Also Published As

Publication number Publication date
GB2379827A (en) 2003-03-19
GB0202120D0 (en) 2002-03-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20060123