JPH074919Y2 - ハンマ駆動装置 - Google Patents

ハンマ駆動装置

Info

Publication number
JPH074919Y2
JPH074919Y2 JP1985073778U JP7377885U JPH074919Y2 JP H074919 Y2 JPH074919 Y2 JP H074919Y2 JP 1985073778 U JP1985073778 U JP 1985073778U JP 7377885 U JP7377885 U JP 7377885U JP H074919 Y2 JPH074919 Y2 JP H074919Y2
Authority
JP
Japan
Prior art keywords
pnp transistor
transistor
hammer
base
resistor
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
JP1985073778U
Other languages
English (en)
Japanese (ja)
Other versions
JPS61188843U (enrdf_load_html_response
Inventor
隆史 中村
公雄 中村
雅美 田山
一成 児玉
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.)
Koki Holdings Co Ltd
Original Assignee
Hitachi Koki 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 Hitachi Koki Co Ltd filed Critical Hitachi Koki Co Ltd
Priority to JP1985073778U priority Critical patent/JPH074919Y2/ja
Publication of JPS61188843U publication Critical patent/JPS61188843U/ja
Application granted granted Critical
Publication of JPH074919Y2 publication Critical patent/JPH074919Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Dot-Matrix Printers And Others (AREA)
  • Impact Printers (AREA)
JP1985073778U 1985-05-17 1985-05-17 ハンマ駆動装置 Expired - Lifetime JPH074919Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985073778U JPH074919Y2 (ja) 1985-05-17 1985-05-17 ハンマ駆動装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985073778U JPH074919Y2 (ja) 1985-05-17 1985-05-17 ハンマ駆動装置

Publications (2)

Publication Number Publication Date
JPS61188843U JPS61188843U (enrdf_load_html_response) 1986-11-25
JPH074919Y2 true JPH074919Y2 (ja) 1995-02-08

Family

ID=30613455

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985073778U Expired - Lifetime JPH074919Y2 (ja) 1985-05-17 1985-05-17 ハンマ駆動装置

Country Status (1)

Country Link
JP (1) JPH074919Y2 (enrdf_load_html_response)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56164416A (en) * 1980-05-21 1981-12-17 Usac Electronics Ind Co Ltd Constant current control circuit
JPS5952666A (ja) * 1982-09-20 1984-03-27 Nec Corp 圧電型印字ヘツド駆動回路

Also Published As

Publication number Publication date
JPS61188843U (enrdf_load_html_response) 1986-11-25

Similar Documents

Publication Publication Date Title
EP0047614B1 (en) Circuit for controlling an electromagnet
EP0297459B1 (en) Discharge load driving circuit
US4262592A (en) Hammer drive apparatus for impact printer
JPH074919Y2 (ja) ハンマ駆動装置
JP3335437B2 (ja) 駆動誘導負荷からのエネルギー回収方法および装置
CA1065394A (en) Drive circuit
US4506207A (en) Step motor driving circuit
US5103148A (en) Low voltage circuit to control high voltage transistor
EP0896757A1 (en) Device including a thermally protected switching transistor
EP0029296B1 (en) Internal combustion engine spark ignition system
JPS6249967B2 (enrdf_load_html_response)
JP2704913B2 (ja) 誘導負荷を駆動する電力装置及びこの電力装置のための制御装置を含むモノリシック集積回路における電源電圧の負のインパルスに起因する寄生効果に対する保護装置
US4945358A (en) Short circuit protection arrangement for a driver circuit
EP0183260B1 (en) Stepping motor drive circuit
US3482118A (en) Current driver
JP2520526Y2 (ja) ソレノイド駆動回路
JPS6325918Y2 (enrdf_load_html_response)
US5220902A (en) Ignition device for internal combustion engines
JPH07118777B2 (ja) 誘導性負荷を駆動する回路および方法
EP0124239A2 (en) Dwell control for an i.c. engine spark ignition system
JPH0638359A (ja) パワーリレーの駆動回路
GB2116385A (en) Stepper motor drive circuit
JPS58115730A (ja) 定電力リレ−ドライブ回路
JPS6176027A (ja) 突入電流防止回路
JPH085812Y2 (ja) 印字ヘッド駆動回路