CH315156A - Tastenrechenmaschine - Google Patents

Tastenrechenmaschine

Info

Publication number
CH315156A
CH315156A CH315156DA CH315156A CH 315156 A CH315156 A CH 315156A CH 315156D A CH315156D A CH 315156DA CH 315156 A CH315156 A CH 315156A
Authority
CH
Switzerland
Prior art keywords
key
pressed
keys
calculating machine
machine according
Prior art date
Application number
Other languages
German (de)
English (en)
Inventor
Miles Nation-Tellery Louis
Original Assignee
Bell Punch 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 Bell Punch Co Ltd filed Critical Bell Punch Co Ltd
Publication of CH315156A publication Critical patent/CH315156A/de

Links

Classifications

    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1008Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
    • G06F11/1012Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices using codes or arrangements adapted for a specific type of error
    • G06F11/104Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices using codes or arrangements adapted for a specific type of error using arithmetic codes, i.e. codes which are preserved during operation, e.g. modulo 9 or 11 check

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)
CH315156D 1952-02-19 1953-02-19 Tastenrechenmaschine CH315156A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB315156X 1952-02-19

Publications (1)

Publication Number Publication Date
CH315156A true CH315156A (de) 1956-07-31

Family

ID=10324233

Family Applications (1)

Application Number Title Priority Date Filing Date
CH315156D CH315156A (de) 1952-02-19 1953-02-19 Tastenrechenmaschine

Country Status (2)

Country Link
CH (1) CH315156A (forum.php)
NL (2) NL80021C (forum.php)

Also Published As

Publication number Publication date
NL80021C (forum.php)
NL175915B (nl)

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