EP1458215A3 - Surroundless piston-driven vibrating speaker - Google Patents

Surroundless piston-driven vibrating speaker Download PDF

Info

Publication number
EP1458215A3
EP1458215A3 EP04003091A EP04003091A EP1458215A3 EP 1458215 A3 EP1458215 A3 EP 1458215A3 EP 04003091 A EP04003091 A EP 04003091A EP 04003091 A EP04003091 A EP 04003091A EP 1458215 A3 EP1458215 A3 EP 1458215A3
Authority
EP
European Patent Office
Prior art keywords
forementioned
surroundless
piston
system comprises
vibrating
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.)
Withdrawn
Application number
EP04003091A
Other languages
German (de)
French (fr)
Other versions
EP1458215A2 (en
Inventor
Lian Yang
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
Publication of EP1458215A2 publication Critical patent/EP1458215A2/en
Publication of EP1458215A3 publication Critical patent/EP1458215A3/en
Withdrawn legal-status Critical Current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
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/34—Directing or guiding sound by means of a phase plug
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00—Loudspeakers
    • H04R2400/11—Aspects regarding the frame of loudspeaker transducers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

Disclosed is a surroundless piston-driven vibrating speaker, the main structure of which is composed of an improved vibrating system, a supporting system and an external magnet system. The forementioned vibrating system comprises a voice cone, a voice coil and a central damper. The forementioned supporting system comprises a shell frame 1 with air holes, a floating locating damper6, a sound absorption cotton material 8, a damper fixing ring and a dust preventing cover 13. The forementioned external magnet system comprises a ferrite core, an upper plate and a T-yoke.
EP04003091A 2003-02-17 2004-02-12 Surroundless piston-driven vibrating speaker Withdrawn EP1458215A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN03223604 2003-02-17
CNU032236042U CN2607708Y (en) 2003-02-17 2003-02-17 Non-suspended rim piston type vibration loadspeaker

Publications (2)

Publication Number Publication Date
EP1458215A2 EP1458215A2 (en) 2004-09-15
EP1458215A3 true EP1458215A3 (en) 2008-03-12

Family

ID=32077284

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04003091A Withdrawn EP1458215A3 (en) 2003-02-17 2004-02-12 Surroundless piston-driven vibrating speaker

Country Status (2)

Country Link
EP (1) EP1458215A3 (en)
CN (1) CN2607708Y (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113747285B (en) * 2021-09-01 2022-07-26 无锡杰夫电声股份有限公司 Middle-high frequency sound box with multiple magnets

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2084945A (en) * 1935-11-08 1937-06-22 Lionel B Cornwell Loudspeaker
US2238741A (en) * 1938-02-22 1941-04-15 Gen Electric Electrodynamic transducer
US4829582A (en) * 1986-02-04 1989-05-09 U.S. Philips Corp. Electrodynamic transducer
US6219432B1 (en) * 1996-07-09 2001-04-17 B&W Loudspeakers Limited Loudspeaker drive unit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2084945A (en) * 1935-11-08 1937-06-22 Lionel B Cornwell Loudspeaker
US2238741A (en) * 1938-02-22 1941-04-15 Gen Electric Electrodynamic transducer
US4829582A (en) * 1986-02-04 1989-05-09 U.S. Philips Corp. Electrodynamic transducer
US6219432B1 (en) * 1996-07-09 2001-04-17 B&W Loudspeakers Limited Loudspeaker drive unit

Also Published As

Publication number Publication date
CN2607708Y (en) 2004-03-24
EP1458215A2 (en) 2004-09-15

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