SE382702B - Med kontrollfunktion forsedd, manuellt manovrerad, elektronisk bords- eller fickkalkylator. - Google Patents

Med kontrollfunktion forsedd, manuellt manovrerad, elektronisk bords- eller fickkalkylator.

Info

Publication number
SE382702B
SE382702B SE7217204A SE1720472A SE382702B SE 382702 B SE382702 B SE 382702B SE 7217204 A SE7217204 A SE 7217204A SE 1720472 A SE1720472 A SE 1720472A SE 382702 B SE382702 B SE 382702B
Authority
SE
Sweden
Prior art keywords
control function
manually operated
electronic table
pocket calculator
calculator
Prior art date
Application number
SE7217204A
Other languages
English (en)
Swedish (sv)
Inventor
K Yoshida
K Tsugawa
Original Assignee
Sharp Kk
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
Priority claimed from JP104572A external-priority patent/JPS5320814B2/ja
Priority claimed from JP104672A external-priority patent/JPS5320815B2/ja
Priority claimed from JP1986872A external-priority patent/JPS5321259B2/ja
Application filed by Sharp Kk filed Critical Sharp Kk
Publication of SE382702B publication Critical patent/SE382702B/xx

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G06F11/1497—Details of time redundant execution on a single processing unit

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Calculators And Similar Devices (AREA)
SE7217204A 1971-12-29 1972-12-29 Med kontrollfunktion forsedd, manuellt manovrerad, elektronisk bords- eller fickkalkylator. SE382702B (sv)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP104572A JPS5320814B2 (xx) 1971-12-29 1971-12-29
JP104672A JPS5320815B2 (xx) 1971-12-29 1971-12-29
JP1986872A JPS5321259B2 (xx) 1972-02-25 1972-02-25

Publications (1)

Publication Number Publication Date
SE382702B true SE382702B (sv) 1976-02-09

Family

ID=27274738

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7217204A SE382702B (sv) 1971-12-29 1972-12-29 Med kontrollfunktion forsedd, manuellt manovrerad, elektronisk bords- eller fickkalkylator.

Country Status (4)

Country Link
US (1) US3846626A (xx)
DE (2) DE2264184C3 (xx)
GB (1) GB1419272A (xx)
SE (1) SE382702B (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4024499A (en) * 1974-06-24 1977-05-17 Oto-Data, Inc. Audiometric system
DE3009692C2 (de) * 1979-03-13 1985-10-31 Sharp K.K., Osaka Elektronischer Rechner mit akustischer Datenausgabe
US4314350A (en) * 1979-12-31 1982-02-02 Bell Telephone Laboratories, Incorporated Self-checking arithmetic unit
DE3484156D1 (de) * 1983-07-29 1991-04-04 Westinghouse Brake & Signal Sicherheitsbetriebspruefung einer gesteuerten anlage.
US5016208A (en) * 1989-07-11 1991-05-14 Tandem Computers Incorporated Deferred comparison multiplier checker
US5154823A (en) * 1991-10-30 1992-10-13 Woon-Hawk Engineering Plastics, Inc. Filter apparatus and distributor plate therefor
US5608661A (en) * 1995-09-01 1997-03-04 Phillip J. Hoolehan Method and apparatus for semi-automatic number verification

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL91958C (xx) * 1949-06-22
US3040984A (en) * 1957-03-25 1962-06-26 Gen Electric Data-checking system
FR1360236A (fr) * 1963-03-20 1964-05-08 Electronique & Radio Ind Perfectionnements aux procédés de détection d'erreurs d'une chaine digitale de calcul et dispositif utilisé
US3660646A (en) * 1970-09-22 1972-05-02 Ibm Checking by pseudoduplication

Also Published As

Publication number Publication date
US3846626A (en) 1974-11-05
GB1419272A (en) 1975-12-31
DE2265231A1 (de) 1977-02-03
DE2264184C3 (de) 1978-04-06
DE2264184A1 (de) 1973-08-09
DE2264184B2 (de) 1977-08-04

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