JPH0458758B2 - - Google Patents

Info

Publication number
JPH0458758B2
JPH0458758B2 JP18378583A JP18378583A JPH0458758B2 JP H0458758 B2 JPH0458758 B2 JP H0458758B2 JP 18378583 A JP18378583 A JP 18378583A JP 18378583 A JP18378583 A JP 18378583A JP H0458758 B2 JPH0458758 B2 JP H0458758B2
Authority
JP
Japan
Prior art keywords
signal
wave
electroacoustic transducer
ultrasonic
sound
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.)
Expired - Lifetime
Application number
JP18378583A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6075199A (ja
Inventor
Masahide Yoneyama
Tomoo Kamakura
Kazuo Iketani
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP18378583A priority Critical patent/JPS6075199A/ja
Publication of JPS6075199A publication Critical patent/JPS6075199A/ja
Publication of JPH0458758B2 publication Critical patent/JPH0458758B2/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
    • H04R3/00—Circuits for transducers, loudspeakers or microphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP18378583A 1983-09-30 1983-09-30 電気音響変換装置 Granted JPS6075199A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18378583A JPS6075199A (ja) 1983-09-30 1983-09-30 電気音響変換装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18378583A JPS6075199A (ja) 1983-09-30 1983-09-30 電気音響変換装置

Publications (2)

Publication Number Publication Date
JPS6075199A JPS6075199A (ja) 1985-04-27
JPH0458758B2 true JPH0458758B2 (ru) 1992-09-18

Family

ID=16141889

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18378583A Granted JPS6075199A (ja) 1983-09-30 1983-09-30 電気音響変換装置

Country Status (1)

Country Link
JP (1) JPS6075199A (ru)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008236198A (ja) * 2007-03-19 2008-10-02 Mitsubishi Electric Engineering Co Ltd 超指向性スピーカ用変調器
JP2013537741A (ja) * 2010-07-22 2013-10-03 コーニンクレッカ フィリップス エヌ ヴェ パラメトリックラウドスピーカの駆動

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4221792B2 (ja) * 1998-01-09 2009-02-12 ソニー株式会社 スピーカ装置及びオーディオ信号送信装置
GB2351169B (en) 1999-06-14 2003-11-19 Nokia Mobile Phones Ltd Audio apparatus
TWI405380B (zh) * 2009-12-22 2013-08-11 Delta Electronics Inc 過電壓與過溫度偵測電路
JP5252137B1 (ja) 2013-02-18 2013-07-31 パナソニック株式会社 超音波スピーカシステム
CN106067996B (zh) * 2015-04-24 2019-09-17 松下知识产权经营株式会社 语音再现方法、语音对话装置
JP2021532633A (ja) * 2018-08-03 2021-11-25 ユーエービー “ニューロテクノロジー” パラメトリックサウンドの生成方法およびこの方法を実行する手段

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008236198A (ja) * 2007-03-19 2008-10-02 Mitsubishi Electric Engineering Co Ltd 超指向性スピーカ用変調器
JP2013537741A (ja) * 2010-07-22 2013-10-03 コーニンクレッカ フィリップス エヌ ヴェ パラメトリックラウドスピーカの駆動

Also Published As

Publication number Publication date
JPS6075199A (ja) 1985-04-27

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