JPS5220743A - Audio equipment - Google Patents

Audio equipment

Info

Publication number
JPS5220743A
JPS5220743A JP9735475A JP9735475A JPS5220743A JP S5220743 A JPS5220743 A JP S5220743A JP 9735475 A JP9735475 A JP 9735475A JP 9735475 A JP9735475 A JP 9735475A JP S5220743 A JPS5220743 A JP S5220743A
Authority
JP
Japan
Prior art keywords
audio equipment
improvement
reduction
high frequency
output
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
JP9735475A
Other languages
Japanese (ja)
Inventor
Masaji Watanabe
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 JP9735475A priority Critical patent/JPS5220743A/en
Publication of JPS5220743A publication Critical patent/JPS5220743A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Amplifiers (AREA)

Abstract

PURPOSE:Improvement of the dynamic range characteristic of the audio pulse signal and reduction of the high frequency component of the output through the simple equipment constitution.
JP9735475A 1975-08-11 1975-08-11 Audio equipment Pending JPS5220743A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9735475A JPS5220743A (en) 1975-08-11 1975-08-11 Audio equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9735475A JPS5220743A (en) 1975-08-11 1975-08-11 Audio equipment

Publications (1)

Publication Number Publication Date
JPS5220743A true JPS5220743A (en) 1977-02-16

Family

ID=14190144

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9735475A Pending JPS5220743A (en) 1975-08-11 1975-08-11 Audio equipment

Country Status (1)

Country Link
JP (1) JPS5220743A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005311859A (en) * 2004-04-23 2005-11-04 Foster Electric Co Ltd Audio system and speaker system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005311859A (en) * 2004-04-23 2005-11-04 Foster Electric Co Ltd Audio system and speaker system
JP4523326B2 (en) * 2004-04-23 2010-08-11 フォスター電機株式会社 Acoustic system and speaker system

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