JPS637896U - - Google Patents

Info

Publication number
JPS637896U
JPS637896U JP10081486U JP10081486U JPS637896U JP S637896 U JPS637896 U JP S637896U JP 10081486 U JP10081486 U JP 10081486U JP 10081486 U JP10081486 U JP 10081486U JP S637896 U JPS637896 U JP S637896U
Authority
JP
Japan
Prior art keywords
signal
pcm
acoustic transducer
piezoelectric actuator
weighted
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
JP10081486U
Other languages
Japanese (ja)
Other versions
JPH0513118Y2 (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 JP1986100814U priority Critical patent/JPH0513118Y2/ja
Publication of JPS637896U publication Critical patent/JPS637896U/ja
Application granted granted Critical
Publication of JPH0513118Y2 publication Critical patent/JPH0513118Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図及び第２図は本考案に係るＰＣＭ音響変
換器の実施例を示し、第１図は各ビツトに対応す
る積層縦効果圧電アクチユエータの積層形態を示
すパターン図、第２図は圧電素子エレメントの断
面図である。第３図Ａ，Ｂは従来の圧電式ＰＣＭ
音響変換器を示し、Ａは断面図、Ｂは分割電極の
面積比を模式的に表わした平面図である。 １〜５：分割電極、１１：圧電素子、１２，１
３：電極、１４：絶縁体、１５：共通電極、１６
：保護シート。 1 and 2 show an embodiment of the PCM acoustic transducer according to the present invention, FIG. 1 is a pattern diagram showing the laminated form of a laminated longitudinal effect piezoelectric actuator corresponding to each bit, and FIG. 2 is a piezoelectric element. FIG. 3 is a cross-sectional view of the element. Figure 3 A and B are conventional piezoelectric PCMs
1A is a cross-sectional view of an acoustic transducer, and FIG. 1B is a plan view schematically showing the area ratio of divided electrodes. 1 to 5: divided electrode, 11: piezoelectric element, 12,1
3: Electrode, 14: Insulator, 15: Common electrode, 16
:Protective sheet.

Claims (1)

【実用新案登録請求の範囲】 パラレルＰＣＭ信号を入力信号とするＰＣＭ音
響変換器において、 各ビツトの信号の重みづけを積層縦効果圧電ア
クチユエータの層数で行なうことを特徴とするＰ
ＣＭ音響変換器。[Claims for Utility Model Registration] A PCM acoustic transducer that receives a parallel PCM signal as an input signal, characterized in that each bit signal is weighted by the number of layers of a laminated longitudinal effect piezoelectric actuator.
CM sound transducer.
JP1986100814U 1986-07-02 1986-07-02 Expired - Lifetime JPH0513118Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986100814U JPH0513118Y2 (en) 1986-07-02 1986-07-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986100814U JPH0513118Y2 (en) 1986-07-02 1986-07-02

Publications (2)

Publication Number Publication Date
JPS637896U true JPS637896U (en) 1988-01-19
JPH0513118Y2 JPH0513118Y2 (en) 1993-04-06

Family

ID=30970980

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986100814U Expired - Lifetime JPH0513118Y2 (en) 1986-07-02 1986-07-02

Country Status (1)

Country Link
JP (1) JPH0513118Y2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012108447A1 (en) * 2011-02-09 2012-08-16 株式会社村田製作所 Piezoelectric device and piezoelectric speaker
WO2014132639A1 (en) * 2013-02-27 2014-09-04 京セラ株式会社 Electronic instrument
JP2014165831A (en) * 2013-02-27 2014-09-08 Kyocera Corp Electronic apparatus
JP2014165850A (en) * 2013-02-27 2014-09-08 Kyocera Corp Electronic apparatus
JP2014165851A (en) * 2013-02-27 2014-09-08 Kyocera Corp Electronic apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57186896A (en) * 1981-05-13 1982-11-17 Kyoshin:Kk Fragrance emanater for telephone set
JPS57186898A (en) * 1981-05-13 1982-11-17 Pioneer Electronic Corp Loudspeaker

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57186896A (en) * 1981-05-13 1982-11-17 Kyoshin:Kk Fragrance emanater for telephone set
JPS57186898A (en) * 1981-05-13 1982-11-17 Pioneer Electronic Corp Loudspeaker

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012108447A1 (en) * 2011-02-09 2012-08-16 株式会社村田製作所 Piezoelectric device and piezoelectric speaker
WO2014132639A1 (en) * 2013-02-27 2014-09-04 京セラ株式会社 Electronic instrument
JP2014165831A (en) * 2013-02-27 2014-09-08 Kyocera Corp Electronic apparatus
JP2014165850A (en) * 2013-02-27 2014-09-08 Kyocera Corp Electronic apparatus
JP2014165851A (en) * 2013-02-27 2014-09-08 Kyocera Corp Electronic apparatus
US9749751B2 (en) 2013-02-27 2017-08-29 Kyocera Corporation Electronic device

Also Published As

Publication number Publication date
JPH0513118Y2 (en) 1993-04-06

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