JPH02113800U - - Google Patents

Info

Publication number
JPH02113800U
JPH02113800U JP1989021315U JP2131589U JPH02113800U JP H02113800 U JPH02113800 U JP H02113800U JP 1989021315 U JP1989021315 U JP 1989021315U JP 2131589 U JP2131589 U JP 2131589U JP H02113800 U JPH02113800 U JP H02113800U
Authority
JP
Japan
Prior art keywords
circuit
audio
output device
supply voltage
power supply
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
JP1989021315U
Other languages
English (en)
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 filed Critical
Priority to JP1989021315U priority Critical patent/JPH02113800U/ja
Publication of JPH02113800U publication Critical patent/JPH02113800U/ja
Pending legal-status Critical Current

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Landscapes

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Description

【図面の簡単な説明】
第1図は本考案の一実施例の音声出力装置の回
路図、第2図は音声再生手段としてスピーカを使
用する場合の回路図、第3図はレベルシフト回路
と増幅回路部分の具体的回路図、第4図は昇圧回
路の原理説明図、第5図は従来の音声出力装置の
回路図である。 1……音声ROM、2……D/A変換回路、3
……増幅回路、4……ブザー、5……レベルシフ
ト回路、6……増幅回路、7……昇圧回路、8…
…スピーカ。

Claims (1)

  1. 【実用新案登録請求の範囲】 音声データを格納した音声ROMと、該音声R
    OMからの音声データをアナログ化するD/A変
    換回路と、該D/A変換回路からのアナログ信号
    を増幅する増幅回路とを有し、各回路が共通のモ
    ノリシツクIC基板上に構成された音声出力装置
    において、 上記アナログ信号をレベルシフトするレベルシ
    フト回路と、電源電圧を昇圧する昇圧回路とを上
    記モノリシツク基板上に設け、該昇圧回路からの
    電源電圧を上記レベルシフト回路及び上記増幅回
    路に供給したことを特徴とする音声出力装置。
JP1989021315U 1989-02-28 1989-02-28 Pending JPH02113800U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989021315U JPH02113800U (ja) 1989-02-28 1989-02-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989021315U JPH02113800U (ja) 1989-02-28 1989-02-28

Publications (1)

Publication Number Publication Date
JPH02113800U true JPH02113800U (ja) 1990-09-12

Family

ID=31238445

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989021315U Pending JPH02113800U (ja) 1989-02-28 1989-02-28

Country Status (1)

Country Link
JP (1) JPH02113800U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5766494A (en) * 1980-10-14 1982-04-22 Suwa Seikosha Kk Device for driving piezoelectric element sound producing unit for portable small size information device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5766494A (en) * 1980-10-14 1982-04-22 Suwa Seikosha Kk Device for driving piezoelectric element sound producing unit for portable small size information device

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