JPH0268134U - - Google Patents

Info

Publication number
JPH0268134U
JPH0268134U JP14746788U JP14746788U JPH0268134U JP H0268134 U JPH0268134 U JP H0268134U JP 14746788 U JP14746788 U JP 14746788U JP 14746788 U JP14746788 U JP 14746788U JP H0268134 U JPH0268134 U JP H0268134U
Authority
JP
Japan
Prior art keywords
piezoelectric element
value
dot printer
heat generation
wire
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
JP14746788U
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 JP14746788U priority Critical patent/JPH0268134U/ja
Publication of JPH0268134U publication Critical patent/JPH0268134U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Dot-Matrix Printers And Others (AREA)
  • Impact Printers (AREA)

Description

【図面の簡単な説明】
第１図および第２図はこの考案の実施例図で、
第１図は圧電素子の歪力による印字ワイヤの駆動
機構の一部を示す図、第２図はワイヤドツトプリ
ンタの要部の電気回路を示す図、第３図および第
４図は従来のワイヤドツトプリンタの要部を示す
ものである。 ５……圧電素子、６……支持体、７……ばね板
、８……アーマチユア、９……ばね板、１０……
印字ワイヤ、１１……発熱防止手段、Ｑ１，Ｑ２
，Ｑ３……トランジスタ、Ｒ１……保護抵抗、Ｒ
２，Ｒ３……抵抗。

Claims (1)

  1. 【実用新案登録請求の範囲】 圧電素子の歪力により印字ワイヤを駆動するよ
    うにしたワイヤドツトプリンタにおいて、 圧電素子に流れる電流値の検出手段と、 この電流値の検出手段によつて検出された電流
    値が基準値以上に変化したときは圧電素子が許容
    値以上に発熱したと判断し、 その発熱の防止を行う発熱防止手段とにより構
    成したことを特徴とするワイヤドツトプリンタ。
JP14746788U 1988-11-11 1988-11-11 Pending JPH0268134U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14746788U JPH0268134U (ja) 1988-11-11 1988-11-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14746788U JPH0268134U (ja) 1988-11-11 1988-11-11

Publications (1)

Publication Number Publication Date
JPH0268134U true JPH0268134U (ja) 1990-05-23

Family

ID=31417893

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14746788U Pending JPH0268134U (ja) 1988-11-11 1988-11-11

Country Status (1)

Country Link
JP (1) JPH0268134U (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56162672A (en) * 1980-05-21 1981-12-14 Usac Electronics Ind Co Ltd Temperature detection system for dot-type head in impact-type dot printer
JPS6321497B2 (ja) * 1980-03-10 1988-05-07 Becton Dickinson Co

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6321497B2 (ja) * 1980-03-10 1988-05-07 Becton Dickinson Co
JPS56162672A (en) * 1980-05-21 1981-12-14 Usac Electronics Ind Co Ltd Temperature detection system for dot-type head in impact-type dot printer

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