BE815469A - NEW SOUND REPRODUCTION SYSTEM. - Google Patents

NEW SOUND REPRODUCTION SYSTEM.

Info

Publication number
BE815469A
BE815469A BE144686A BE144686A BE815469A BE 815469 A BE815469 A BE 815469A BE 144686 A BE144686 A BE 144686A BE 144686 A BE144686 A BE 144686A BE 815469 A BE815469 A BE 815469A
Authority
BE
Belgium
Prior art keywords
sound reproduction
reproduction system
new sound
new
sound
Prior art date
Application number
BE144686A
Other languages
French (fr)
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 filed Critical
Priority to BE144686A priority Critical patent/BE815469A/en
Publication of BE815469A publication Critical patent/BE815469A/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
    • H04R7/26—Damping by means acting directly on free portion of diaphragm or cone
    • 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
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/021—Casings; Cabinets ; Supports therefor; Mountings therein incorporating only one transducer
    • 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
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
    • H04R7/125—Non-planar diaphragms or cones comprising a plurality of sections or layers comprising a plurality of superposed layers in contact

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
BE144686A 1974-05-24 1974-05-24 NEW SOUND REPRODUCTION SYSTEM. BE815469A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BE144686A BE815469A (en) 1974-05-24 1974-05-24 NEW SOUND REPRODUCTION SYSTEM.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE144686A BE815469A (en) 1974-05-24 1974-05-24 NEW SOUND REPRODUCTION SYSTEM.
BE815469 1974-05-24

Publications (1)

Publication Number Publication Date
BE815469A true BE815469A (en) 1974-11-25

Family

ID=25647899

Family Applications (1)

Application Number Title Priority Date Filing Date
BE144686A BE815469A (en) 1974-05-24 1974-05-24 NEW SOUND REPRODUCTION SYSTEM.

Country Status (1)

Country Link
BE (1) BE815469A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0007569A1 (en) * 1978-07-27 1980-02-06 Antoine Grootaers Loudspeaker box

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0007569A1 (en) * 1978-07-27 1980-02-06 Antoine Grootaers Loudspeaker box

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