CA1159710A - Printer system having parity checking of print hammers using software control - Google Patents

Printer system having parity checking of print hammers using software control

Info

Publication number
CA1159710A
CA1159710A CA000365265A CA365265A CA1159710A CA 1159710 A CA1159710 A CA 1159710A CA 000365265 A CA000365265 A CA 000365265A CA 365265 A CA365265 A CA 365265A CA 1159710 A CA1159710 A CA 1159710A
Authority
CA
Canada
Prior art keywords
parity
subscan
circuits
expected
print
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
Application number
CA000365265A
Other languages
English (en)
French (fr)
Inventor
Richard D. Bolcavage
Arthur E. Fleek
Armand J. Ferraro
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of CA1159710A publication Critical patent/CA1159710A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • 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
    • B41J9/00—Hammer-impression mechanisms
    • B41J9/44—Control for hammer-impression mechanisms
    • B41J9/52—Control for hammer-impression mechanisms for checking the operation of print hammers
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G06K15/08—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by flight printing with type font moving in the direction of the printed line, e.g. chain printers

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Impact Printers (AREA)
CA000365265A 1980-01-28 1980-11-21 Printer system having parity checking of print hammers using software control Expired CA1159710A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US115,841 1980-01-28
US06/115,841 US4335460A (en) 1980-01-28 1980-01-28 Printer system having parity checking of print hammers using software control

Publications (1)

Publication Number Publication Date
CA1159710A true CA1159710A (en) 1984-01-03

Family

ID=22363710

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000365265A Expired CA1159710A (en) 1980-01-28 1980-11-21 Printer system having parity checking of print hammers using software control

Country Status (7)

Country Link
US (1) US4335460A (enExample)
EP (1) EP0033067B1 (enExample)
JP (1) JPS56114078A (enExample)
BR (1) BR8100465A (enExample)
CA (1) CA1159710A (enExample)
DE (1) DE3160186D1 (enExample)
ES (1) ES498829A0 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4317412A (en) * 1980-06-25 1982-03-02 International Business Machines Corporation Control system and method for testing print hammers in a high speed printer
US4578140A (en) * 1981-07-21 1986-03-25 Teraoka Seiko Co., Ltd. Cassette type labeler and cassette case
US4453251A (en) * 1981-10-13 1984-06-05 Burroughs Corporation Error-correcting memory with low storage overhead and fast correction mechanism
US4425844A (en) 1982-06-23 1984-01-17 International Business Machines Corporation Home pulse compensation for multiple speed line printer
US4457229A (en) * 1982-12-27 1984-07-03 International Business Machines Corporation Scan correction for a line printer having multi-pitch type carriers
US5120257A (en) * 1991-02-13 1992-06-09 E. I. Du Pont De Nemours And Company Lanced hold-downs
US5751744A (en) * 1993-02-01 1998-05-12 Advanced Micro Devices, Inc. Error detection and correction circuit
US5411404A (en) * 1993-10-29 1995-05-02 The Whitaker Corporation Electrical connector having bus bars providing circuit board retention

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2941188A (en) * 1954-07-01 1960-06-14 Rca Corp Printer control system
US3140470A (en) * 1958-08-04 1964-07-07 Honeywell Regulator Co Error checking circuit for a plurality of parallel data transmission channels
NL135488C (enExample) * 1959-12-29
US3240920A (en) * 1961-05-29 1966-03-15 Honeywell Inc Data transmission verifier
US3222651A (en) * 1961-08-02 1965-12-07 Honeywell Inc Information handling apparatus
US3246292A (en) * 1961-10-04 1966-04-12 Honeywell Inc Echo check with time-phased input data sampling means
FR1458258A (fr) * 1965-07-21 1966-03-04 Bull General Electric Perfectionnements aux moyens de contrôle pour vérifier le fonctionnement correct de dispositifs d'enregistrement
US3560926A (en) * 1967-05-15 1971-02-02 Vyzk Ustav Matemat Stroju Error checking circuit for digitally controlled printers
US4008389A (en) * 1973-09-05 1977-02-15 Compagnie Honeywell Bull (Societe Anonyme) Apparatus for checking the operation of control circuits
US3845710A (en) * 1973-10-02 1974-11-05 Teletype Corp Print control logic circuitry for on-the-fly printers
US3887901A (en) * 1974-04-29 1975-06-03 Sperry Rand Corp Longitudinal parity generator for mainframe memories

Also Published As

Publication number Publication date
EP0033067B1 (en) 1983-04-20
ES8204654A1 (es) 1982-05-16
DE3160186D1 (en) 1983-05-26
US4335460A (en) 1982-06-15
ES498829A0 (es) 1982-05-16
JPS56114078A (en) 1981-09-08
EP0033067A1 (en) 1981-08-05
BR8100465A (pt) 1981-08-18
JPS6210198B2 (enExample) 1987-03-04

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Legal Events

Date Code Title Description
MKEX Expiry