DE1281193B - Schaltungsanordnung zur Erzeugung eines Pruefbits - Google Patents

Schaltungsanordnung zur Erzeugung eines Pruefbits

Info

Publication number
DE1281193B
DE1281193B DEJ25278A DEJ0025278A DE1281193B DE 1281193 B DE1281193 B DE 1281193B DE J25278 A DEJ25278 A DE J25278A DE J0025278 A DEJ0025278 A DE J0025278A DE 1281193 B DE1281193 B DE 1281193B
Authority
DE
Germany
Prior art keywords
bit
stage
group
adder
sum
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
DEJ25278A
Other languages
German (de)
English (en)
Inventor
Alan Richard Geller
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
Publication of DE1281193B publication Critical patent/DE1281193B/de
Pending 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/50—Adding; Subtracting

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Pure & Applied Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Computing Systems (AREA)
  • Mathematical Optimization (AREA)
  • Detection And Correction Of Errors (AREA)
DEJ25278A 1963-02-27 1964-02-14 Schaltungsanordnung zur Erzeugung eines Pruefbits Pending DE1281193B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US261351A US3287546A (en) 1963-02-27 1963-02-27 Parity prediction apparatus for use with a binary adder

Publications (1)

Publication Number Publication Date
DE1281193B true DE1281193B (de) 1968-10-24

Family

ID=22992913

Family Applications (1)

Application Number Title Priority Date Filing Date
DEJ25278A Pending DE1281193B (de) 1963-02-27 1964-02-14 Schaltungsanordnung zur Erzeugung eines Pruefbits

Country Status (6)

Country Link
US (1) US3287546A (OSRAM)
BE (1) BE644448A (OSRAM)
CH (1) CH429246A (OSRAM)
DE (1) DE1281193B (OSRAM)
FR (1) FR1383524A (OSRAM)
NL (1) NL140636B (OSRAM)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3287546A (en) * 1963-02-27 1966-11-22 Ibm Parity prediction apparatus for use with a binary adder
DE1524268B1 (de) * 1966-06-04 1970-07-02 Zuse Kg Anordnung zur Fehlerermittlung in Rechenwerken
US3531631A (en) * 1967-01-11 1970-09-29 Ibm Parity checking system
US3555255A (en) * 1968-08-09 1971-01-12 Bell Telephone Labor Inc Error detection arrangement for data processing register
US3699323A (en) * 1970-12-23 1972-10-17 Ibm Error detecting and correcting system and method
US3986015A (en) * 1975-06-23 1976-10-12 International Business Machines Corporation Arithmetic unit for use in a digital data processor and having an improved system for parity check bit generation and error detection
US4224680A (en) * 1978-06-05 1980-09-23 Fujitsu Limited Parity prediction circuit for adder/counter
US4879675A (en) * 1988-02-17 1989-11-07 International Business Machines Corporation Parity generator circuit and method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1105206B (de) * 1958-10-22 1961-04-20 Ncr Co Paritaetsbitgenerator
US3078039A (en) * 1960-06-27 1963-02-19 Ibm Error checking system for a parallel adder
US3287546A (en) * 1963-02-27 1966-11-22 Ibm Parity prediction apparatus for use with a binary adder

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL209391A (OSRAM) * 1955-08-01
US3036770A (en) * 1958-08-05 1962-05-29 Ibm Error detecting system for a digital computer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1105206B (de) * 1958-10-22 1961-04-20 Ncr Co Paritaetsbitgenerator
US3078039A (en) * 1960-06-27 1963-02-19 Ibm Error checking system for a parallel adder
US3287546A (en) * 1963-02-27 1966-11-22 Ibm Parity prediction apparatus for use with a binary adder

Also Published As

Publication number Publication date
US3287546A (en) 1966-11-22
BE644448A (OSRAM) 1964-06-15
NL6401868A (OSRAM) 1964-08-28
CH429246A (de) 1967-01-31
NL140636B (nl) 1973-12-17
FR1383524A (fr) 1964-12-24

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977