JPH0638683Y2 - ２段式印字ヘッド - Google Patents

２段式印字ヘッド

Info

Publication number
JPH0638683Y2
JPH0638683Y2 JP1987195062U JP19506287U JPH0638683Y2 JP H0638683 Y2 JPH0638683 Y2 JP H0638683Y2 JP 1987195062 U JP1987195062 U JP 1987195062U JP 19506287 U JP19506287 U JP 19506287U JP H0638683 Y2 JPH0638683 Y2 JP H0638683Y2
Authority
JP
Japan
Prior art keywords
armature
stage
needle
print head
inertia
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
JP1987195062U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0197948U (OSRAM
Inventor
鉄弥 山本
卓 森谷
祥雅 田井
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.)
Citizen Watch Co Ltd
Original Assignee
Citizen Watch 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 Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Priority to JP1987195062U priority Critical patent/JPH0638683Y2/ja
Priority to US07/288,250 priority patent/US4988222A/en
Publication of JPH0197948U publication Critical patent/JPH0197948U/ja
Application granted granted Critical
Publication of JPH0638683Y2 publication Critical patent/JPH0638683Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/22—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of impact or pressure on a printing material or impression-transfer material
    • B41J2/23—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of impact or pressure on a printing material or impression-transfer material using print wires
    • B41J2/235—Print head assemblies

Landscapes

  • Impact Printers (AREA)
JP1987195062U 1987-12-23 1987-12-23 ２段式印字ヘッド Expired - Lifetime JPH0638683Y2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1987195062U JPH0638683Y2 (ja) 1987-12-23 1987-12-23 ２段式印字ヘッド
US07/288,250 US4988222A (en) 1987-12-23 1988-12-22 Double print head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987195062U JPH0638683Y2 (ja) 1987-12-23 1987-12-23 ２段式印字ヘッド

Publications (2)

Publication Number Publication Date
JPH0197948U JPH0197948U (OSRAM) 1989-06-29
JPH0638683Y2 true JPH0638683Y2 (ja) 1994-10-12

Family

ID=16334922

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987195062U Expired - Lifetime JPH0638683Y2 (ja) 1987-12-23 1987-12-23 ２段式印字ヘッド

Country Status (2)

Country Link
US (1) US4988222A (OSRAM)
JP (1) JPH0638683Y2 (OSRAM)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5102245A (en) * 1989-08-26 1992-04-07 Citizen Watch Co., Ltd. Print head
JP3417677B2 (ja) * 1994-07-19 2003-06-16 沖電気工業株式会社 ワイヤドット印字ヘッド

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4225250A (en) * 1978-10-10 1980-09-30 Tally Corporation Segmented-ring magnet print head
US4279521A (en) * 1979-11-02 1981-07-21 International Business Machines Corporation Wire matrix print head
JPS5995164A (ja) * 1982-11-22 1984-06-01 Seiko Epson Corp ワイヤドツトプリンタ用印字ヘツド
US4669898A (en) * 1985-12-23 1987-06-02 Electronics Research And Service Organization Dot matrix print head

Also Published As

Publication number Publication date
US4988222A (en) 1991-01-29
JPH0197948U (OSRAM) 1989-06-29

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