GB9002714D0 - Popova dynamic head of loudspeaker - Google Patents

Popova dynamic head of loudspeaker

Info

Publication number
GB9002714D0
GB9002714D0 GB909002714A GB9002714A GB9002714D0 GB 9002714 D0 GB9002714 D0 GB 9002714D0 GB 909002714 A GB909002714 A GB 909002714A GB 9002714 A GB9002714 A GB 9002714A GB 9002714 D0 GB9002714 D0 GB 9002714D0
Authority
GB
United Kingdom
Prior art keywords
popova
loudspeaker
dynamic head
dynamic
head
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.)
Granted
Application number
GB909002714A
Other versions
GB2234136B (en
GB2234136A (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.)
VNII RADIOVESH PRIEMA AKUSTIKI
Original Assignee
VNII RADIOVESH PRIEMA AKUSTIKI
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 VNII RADIOVESH PRIEMA AKUSTIKI filed Critical VNII RADIOVESH PRIEMA AKUSTIKI
Publication of GB9002714D0 publication Critical patent/GB9002714D0/en
Publication of GB2234136A publication Critical patent/GB2234136A/en
Application granted granted Critical
Publication of GB2234136B publication Critical patent/GB2234136B/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • 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
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
GB9002714A 1988-06-10 1990-02-07 Loudspeaker dynamic head Expired GB2234136B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SU1988/000135 WO1989012374A1 (en) 1988-06-10 1988-06-10 Dynamic head of loud speaker

Publications (3)

Publication Number Publication Date
GB9002714D0 true GB9002714D0 (en) 1990-08-01
GB2234136A GB2234136A (en) 1991-01-23
GB2234136B GB2234136B (en) 1992-06-24

Family

ID=21617270

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9002714A Expired GB2234136B (en) 1988-06-10 1990-02-07 Loudspeaker dynamic head

Country Status (6)

Country Link
JP (1) JPH02504691A (en)
DE (1) DE3891332T1 (en)
FI (1) FI900657A0 (en)
GB (1) GB2234136B (en)
NL (1) NL8821131A (en)
WO (1) WO1989012374A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54128328A (en) * 1978-03-28 1979-10-04 Matsushita Electric Ind Co Ltd Speaker
JPS603277B2 (en) * 1978-06-15 1985-01-26 ソニー株式会社 speaker device
US4472604A (en) * 1980-03-08 1984-09-18 Nippon Gakki Seizo Kabushiki Kaisha Planar type electro-acoustic transducer and process for manufacturing same
GB2074812B (en) * 1980-04-21 1984-01-04 Matsushita Electric Ind Co Ltd Method of manufacturing a speaker diaphragm

Also Published As

Publication number Publication date
DE3891332T1 (en) 1990-06-07
NL8821131A (en) 1990-05-01
GB2234136B (en) 1992-06-24
JPH02504691A (en) 1990-12-27
WO1989012374A1 (en) 1989-12-14
FI900657A0 (en) 1990-02-09
GB2234136A (en) 1991-01-23

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Legal Events

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

Effective date: 19920924