JPS5279644A - Acoustic equipment - Google Patents

Acoustic equipment

Info

Publication number
JPS5279644A
JPS5279644A JP15693375A JP15693375A JPS5279644A JP S5279644 A JPS5279644 A JP S5279644A JP 15693375 A JP15693375 A JP 15693375A JP 15693375 A JP15693375 A JP 15693375A JP S5279644 A JPS5279644 A JP S5279644A
Authority
JP
Japan
Prior art keywords
acoustic equipment
electrically
good quality
obtain good
equipment
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.)
Pending
Application number
JP15693375A
Other languages
Japanese (ja)
Inventor
Isao Shibazaki
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP15693375A priority Critical patent/JPS5279644A/en
Publication of JPS5279644A publication Critical patent/JPS5279644A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)

Abstract

PURPOSE:To obtain good quality acoustic equipment by extracting actual action of cone sector directly and electrically.
JP15693375A 1975-12-25 1975-12-25 Acoustic equipment Pending JPS5279644A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15693375A JPS5279644A (en) 1975-12-25 1975-12-25 Acoustic equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15693375A JPS5279644A (en) 1975-12-25 1975-12-25 Acoustic equipment

Publications (1)

Publication Number Publication Date
JPS5279644A true JPS5279644A (en) 1977-07-04

Family

ID=15638515

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15693375A Pending JPS5279644A (en) 1975-12-25 1975-12-25 Acoustic equipment

Country Status (1)

Country Link
JP (1) JPS5279644A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007020152A (en) * 2005-06-07 2007-01-25 Nidec Pigeon Corp Speaker
JP2007020153A (en) * 2005-06-07 2007-01-25 Nidec Pigeon Corp Speaker
US7792318B2 (en) 2005-09-28 2010-09-07 Nidec Pigeon Corporation Speaker
US7864976B2 (en) 2005-06-07 2011-01-04 Nidec Pigeon Corporation Speaker
US7925040B2 (en) 2005-06-07 2011-04-12 Nidec Pigeon Corporation Speaker
JP2019509678A (en) * 2016-03-21 2019-04-04 ゴルテック インコーポレイテッド Moving coil speaker system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007020152A (en) * 2005-06-07 2007-01-25 Nidec Pigeon Corp Speaker
JP2007020153A (en) * 2005-06-07 2007-01-25 Nidec Pigeon Corp Speaker
US7864976B2 (en) 2005-06-07 2011-01-04 Nidec Pigeon Corporation Speaker
JP4642698B2 (en) * 2005-06-07 2011-03-02 日本電産ピジョン株式会社 speaker
US7925040B2 (en) 2005-06-07 2011-04-12 Nidec Pigeon Corporation Speaker
US7792318B2 (en) 2005-09-28 2010-09-07 Nidec Pigeon Corporation Speaker
JP2019509678A (en) * 2016-03-21 2019-04-04 ゴルテック インコーポレイテッド Moving coil speaker system

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