GB2049351B - Loudspeaker unit - Google Patents

Loudspeaker unit

Info

Publication number
GB2049351B
GB2049351B GB8011056A GB8011056A GB2049351B GB 2049351 B GB2049351 B GB 2049351B GB 8011056 A GB8011056 A GB 8011056A GB 8011056 A GB8011056 A GB 8011056A GB 2049351 B GB2049351 B GB 2049351B
Authority
GB
United Kingdom
Prior art keywords
loudspeaker unit
loudspeaker
unit
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
Application number
GB8011056A
Other versions
GB2049351A (en
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.)
LEGGOTT SA
Original Assignee
LEGGOTT SA
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 LEGGOTT SA filed Critical LEGGOTT SA
Priority to GB8011056A priority Critical patent/GB2049351B/en
Publication of GB2049351A publication Critical patent/GB2049351A/en
Application granted granted Critical
Publication of GB2049351B publication Critical patent/GB2049351B/en
Expired 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
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
    • H04R1/2823—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material
    • H04R1/2826—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material for loudspeaker transducers
GB8011056A 1979-04-17 1980-04-02 Loudspeaker unit Expired GB2049351B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8011056A GB2049351B (en) 1979-04-17 1980-04-02 Loudspeaker unit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7913330 1979-04-17
GB8011056A GB2049351B (en) 1979-04-17 1980-04-02 Loudspeaker unit

Publications (2)

Publication Number Publication Date
GB2049351A GB2049351A (en) 1980-12-17
GB2049351B true GB2049351B (en) 1984-01-11

Family

ID=26271262

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8011056A Expired GB2049351B (en) 1979-04-17 1980-04-02 Loudspeaker unit

Country Status (1)

Country Link
GB (1) GB2049351B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8102572A (en) * 1981-05-26 1982-12-16 Philips Nv BAND TYPE ELECTROACOUSTIC CONVERTER WITH LOW DISTORTION AND IMPROVED SENSITIVITY.
DE69012911T2 (en) * 1989-07-24 1995-01-26 Matsushita Electric Ind Co Ltd Speaker system.
GB9317850D0 (en) * 1993-08-27 1993-10-13 British Broadcasting Corp Loudspeakers
US8333261B2 (en) * 2010-08-25 2012-12-18 Barnes Ryan L Compact subwoofer cabinet
US8744117B2 (en) 2012-04-23 2014-06-03 Robert Bosch Gmbh High amplitude loudspeaker
CN103686553B (en) * 2012-09-13 2017-04-26 新昌有限公司 Loudspeaker structure

Also Published As

Publication number Publication date
GB2049351A (en) 1980-12-17

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Legal Events

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