JPS57156261A - Impact printer - Google Patents

Impact printer

Info

Publication number
JPS57156261A
JPS57156261A JP4057181A JP4057181A JPS57156261A JP S57156261 A JPS57156261 A JP S57156261A JP 4057181 A JP4057181 A JP 4057181A JP 4057181 A JP4057181 A JP 4057181A JP S57156261 A JPS57156261 A JP S57156261A
Authority
JP
Japan
Prior art keywords
font
mark
slit
impact printer
detected
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
JP4057181A
Other languages
Japanese (ja)
Inventor
Keiji Hasegawa
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP4057181A priority Critical patent/JPS57156261A/en
Priority to US06/358,556 priority patent/US4448555A/en
Publication of JPS57156261A publication Critical patent/JPS57156261A/en
Pending 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
    • B41J25/00—Actions or mechanisms not otherwise provided for
    • B41J25/24—Case-shift mechanisms; Fount-change arrangements

Abstract

PURPOSE:To surely perform identification of different kinds of changeable font elements by an arrangement wherein an optical mark is put on each font element of an impact printer according to its kind, and the mark is detected by a sensor means on the frame side. CONSTITUTION:In an impact printer wherein a control program is changed according to the kind of exchangeable font elements, a mark in the form of a slit 12 is bored in a disc part 41 of each font element 4 according to its kind, while a light emitting element 13 and a light receiving element 14 are provided on the carriage side and the frame side, respectively, corresponding to the slit 12. With the font element 4 being rotated, a light passing through the slit 12 is detected so as to automatically identify the kind of the front element. By so doing, it becomes possible to run the mark detection without suffering any influence of vibrations due to movement of a carriage.
JP4057181A 1981-03-20 1981-03-20 Impact printer Pending JPS57156261A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP4057181A JPS57156261A (en) 1981-03-20 1981-03-20 Impact printer
US06/358,556 US4448555A (en) 1981-03-20 1982-03-16 Impact printing apparatus with interchangeable rotary type wheels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4057181A JPS57156261A (en) 1981-03-20 1981-03-20 Impact printer

Publications (1)

Publication Number Publication Date
JPS57156261A true JPS57156261A (en) 1982-09-27

Family

ID=12584156

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4057181A Pending JPS57156261A (en) 1981-03-20 1981-03-20 Impact printer

Country Status (1)

Country Link
JP (1) JPS57156261A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6083843A (en) * 1983-10-14 1985-05-13 レックスマーク・インターナショナル・インコーポレーテッド Impact type printer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6083843A (en) * 1983-10-14 1985-05-13 レックスマーク・インターナショナル・インコーポレーテッド Impact type printer
JPH0367514B2 (en) * 1983-10-14 1991-10-23 Intaanashonaru Bijinesu Mashiinzu Corp

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