JPS5227627A - Electroacoustic converter - Google Patents

Electroacoustic converter

Info

Publication number
JPS5227627A
JPS5227627A JP10296275A JP10296275A JPS5227627A JP S5227627 A JPS5227627 A JP S5227627A JP 10296275 A JP10296275 A JP 10296275A JP 10296275 A JP10296275 A JP 10296275A JP S5227627 A JPS5227627 A JP S5227627A
Authority
JP
Japan
Prior art keywords
electroacoustic converter
characterisic
directivity
wedge
curvature
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
JP10296275A
Other languages
Japanese (ja)
Other versions
JPS5444448B2 (en
Inventor
Takehiko Sagara
Kimio Uchida
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.)
Proterial Ltd
Original Assignee
Hitachi Metals Ltd
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 Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Priority to JP10296275A priority Critical patent/JPS5227627A/en
Publication of JPS5227627A publication Critical patent/JPS5227627A/en
Publication of JPS5444448B2 publication Critical patent/JPS5444448B2/ja
Granted 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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/046—Construction
    • H04R9/047—Construction in which the windings of the moving coil lay in the same plane

Landscapes

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

Abstract

PURPOSE:By making an oscillation plate of an overall motor driven type electroacoustic converter a spherical shape of the curvature R and arranging a plurality of magnets inside through a wedge-shaped pole piece, the characterisic of directivity shall be improved.
JP10296275A 1975-08-27 1975-08-27 Electroacoustic converter Granted JPS5227627A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10296275A JPS5227627A (en) 1975-08-27 1975-08-27 Electroacoustic converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10296275A JPS5227627A (en) 1975-08-27 1975-08-27 Electroacoustic converter

Publications (2)

Publication Number Publication Date
JPS5227627A true JPS5227627A (en) 1977-03-02
JPS5444448B2 JPS5444448B2 (en) 1979-12-26

Family

ID=14341399

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10296275A Granted JPS5227627A (en) 1975-08-27 1975-08-27 Electroacoustic converter

Country Status (1)

Country Link
JP (1) JPS5227627A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114206537A (en) 2019-08-01 2022-03-18 住友电工硬质合金株式会社 Method for manufacturing cutting tool and cutting tool

Also Published As

Publication number Publication date
JPS5444448B2 (en) 1979-12-26

Similar Documents

Publication Publication Date Title
CA988999A (en) Miniature concentric battery
JPS5245923A (en) High frequency speaker
JPS5227627A (en) Electroacoustic converter
GB1543654A (en) Acoustic yoke
JPS5229725A (en) Acoustic equipment diaphragm
JPS5243419A (en) Electroacoustic transducer
JPS5220013A (en) Electric sound converter
JPS528817A (en) Speaker
CA982223A (en) Light-weight lead-acid battery
JPS53129023A (en) Dynamic loudspeaker
JPS51114119A (en) Omnidirectional speaker
JPS526058A (en) Directional coupler
JPS5229722A (en) Non-directivity speaker
JPS51120711A (en) Speaker
JPS5246812A (en) Codenser type spaker
JPS5229724A (en) Speaker dome diaphragm
JPS51119218A (en) Vibrating plate
JPS539516A (en) Transducer
JPS5351728A (en) Electroacoustic converter
JPS5345225A (en) Conical speaker
JPS51113726A (en) Loud speaker
JPS52150617A (en) Electric acoustic converter
JPS5323619A (en) Speaker devi ce
JPS5369628A (en) Speaker
JPS51132905A (en) Telephone call apparatus