TW200629959A - Electro-dynamic exciter - Google Patents

Electro-dynamic exciter

Info

Publication number
TW200629959A
TW200629959A TW094131157A TW94131157A TW200629959A TW 200629959 A TW200629959 A TW 200629959A TW 094131157 A TW094131157 A TW 094131157A TW 94131157 A TW94131157 A TW 94131157A TW 200629959 A TW200629959 A TW 200629959A
Authority
TW
Taiwan
Prior art keywords
yoke
outer yoke
section
support panel
peripheral wall
Prior art date
Application number
TW094131157A
Other languages
Chinese (zh)
Inventor
Shigehisa Watanabe
Yoshizumi Ohta
Original Assignee
Citizen Electronics
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
Priority claimed from JP2004276243A external-priority patent/JP2006094073A/en
Priority claimed from JP2004303947A external-priority patent/JP2006121154A/en
Priority claimed from JP2004347958A external-priority patent/JP2006157752A/en
Priority claimed from JP2004347959A external-priority patent/JP2006157753A/en
Priority claimed from JP2004356104A external-priority patent/JP2006166150A/en
Application filed by Citizen Electronics filed Critical Citizen Electronics
Publication of TW200629959A publication Critical patent/TW200629959A/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
    • 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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H04R9/066—Loudspeakers using the principle of inertia
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/02—Loudspeakers
    • 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
    • H04R2400/07—Suspension between moving magnetic core and housing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
    • 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
    • H04R7/045—Plane diaphragms using the distributed mode principle, i.e. whereby the acoustic radiation is emanated from uniformly distributed free bending wave vibration induced in a stiff panel and not from pistonic motion
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)

Abstract

An electro-dynamic exciter includes a magnetic circuit assembly composed of an outer yoke having a cylindrical peripheral wall, and a bottom wall connected to one end of the peripheral wall, a flat magnet located within the outer yoke and placed on the bottom wall of the outer yoke, and a flat inner yoke placed on the magnet. A magnet gap is defined between the outer yoke and the inner yoke. The magnetic circuit assembly is vibrationally supported on a support panel by means of a flexible carrier. The support panel is located in a face-to-face relation to the other end of the peripheral wall of the outer yoke. The flexible carrier is made from a flexible sheet material. The flexible carrier includes an annular anchor section secured to the support panel, a cylindrical section connected to the anchor section and coaxially extending into the magnetic gap, a flexible section extending radially inwardly from the anchor section toward the inner yoke and secured to the inner yoke. The magnetic coil is wound around the cylindrical section.
TW094131157A 2004-09-22 2005-09-09 Electro-dynamic exciter TW200629959A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2004276243A JP2006094073A (en) 2004-09-22 2004-09-22 Magnetically driven type actuator
JP2004303947A JP2006121154A (en) 2004-10-19 2004-10-19 Magnetic drive actuator
JP2004347958A JP2006157752A (en) 2004-12-01 2004-12-01 Magnetically driven type actuator
JP2004347959A JP2006157753A (en) 2004-12-01 2004-12-01 Magnetically driven type actuator
JP2004356104A JP2006166150A (en) 2004-12-09 2004-12-09 Magnetic-driven-type actuator

Publications (1)

Publication Number Publication Date
TW200629959A true TW200629959A (en) 2006-08-16

Family

ID=35249076

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094131157A TW200629959A (en) 2004-09-22 2005-09-09 Electro-dynamic exciter

Country Status (4)

Country Link
US (1) US20060072248A1 (en)
KR (1) KR20060051531A (en)
GB (1) GB2418560B (en)
TW (1) TW200629959A (en)

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Also Published As

Publication number Publication date
KR20060051531A (en) 2006-05-19
GB0519147D0 (en) 2005-10-26
GB2418560B (en) 2007-01-10
US20060072248A1 (en) 2006-04-06
GB2418560A (en) 2006-03-29

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