FR1496316A - Data verification device for digital information processing assemblies - Google Patents

Data verification device for digital information processing assemblies

Info

Publication number
FR1496316A
FR1496316A FR79292A FR79292A FR1496316A FR 1496316 A FR1496316 A FR 1496316A FR 79292 A FR79292 A FR 79292A FR 79292 A FR79292 A FR 79292A FR 1496316 A FR1496316 A FR 1496316A
Authority
FR
France
Prior art keywords
information processing
digital information
verification device
data verification
processing assemblies
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
FR79292A
Other languages
French (fr)
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.)
Ampex Corp
Original Assignee
Ampex 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 Ampex Corp filed Critical Ampex Corp
Application granted granted Critical
Publication of FR1496316A publication Critical patent/FR1496316A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/14Error detection or correction of the data by redundancy in operation
    • G06F11/1497Details of time redundant execution on a single processing unit
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/16Digital recording or reproducing using non self-clocking codes, i.e. the clock signals are either recorded in a separate clocking track or in a combination of several information tracks
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/18Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1816Testing
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/36Monitoring, i.e. supervising the progress of recording or reproducing
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/187Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/245Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for controlling the reluctance of the magnetic circuit in a head with single gap, for co-operation with one track
FR79292A 1965-10-11 1966-10-10 Data verification device for digital information processing assemblies Expired FR1496316A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US49444265A 1965-10-11 1965-10-11

Publications (1)

Publication Number Publication Date
FR1496316A true FR1496316A (en) 1967-09-29

Family

ID=23964491

Family Applications (1)

Application Number Title Priority Date Filing Date
FR79292A Expired FR1496316A (en) 1965-10-11 1966-10-10 Data verification device for digital information processing assemblies

Country Status (5)

Country Link
BE (1) BE688055A (en)
DE (1) DE1499592A1 (en)
FR (1) FR1496316A (en)
GB (1) GB1168651A (en)
NL (1) NL6613929A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0341117A1 (en) * 1988-05-04 1989-11-08 Bull S.A. Interruption and short circuit detecting appliance

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0341117A1 (en) * 1988-05-04 1989-11-08 Bull S.A. Interruption and short circuit detecting appliance
FR2631129A1 (en) * 1988-05-04 1989-11-10 Bull Sa DEVICE FOR DETECTING CUTS AND SHORT CIRCUITS IN AT LEAST ONE PORTION OF ELECTRIC CIRCUIT
US4890183A (en) * 1988-05-04 1989-12-26 Bull S.A. Device for detecting cutoff and short circuit defects in at least one electrical circuit portion

Also Published As

Publication number Publication date
NL6613929A (en) 1967-04-12
DE1499592A1 (en) 1969-10-30
GB1168651A (en) 1969-10-29
BE688055A (en) 1967-03-16

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