GB721877A - Improvements in or relating to record-card-controlled machines - Google Patents

Improvements in or relating to record-card-controlled machines

Info

Publication number
GB721877A
GB721877A GB13952/51A GB1395251A GB721877A GB 721877 A GB721877 A GB 721877A GB 13952/51 A GB13952/51 A GB 13952/51A GB 1395251 A GB1395251 A GB 1395251A GB 721877 A GB721877 A GB 721877A
Authority
GB
United Kingdom
Prior art keywords
relays
relay
card
code
contacts
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
GB13952/51A
Other languages
English (en)
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.)
Compagnie des Machines Bull SA
Original Assignee
Compagnie des Machines Bull SA
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 Compagnie des Machines Bull SA filed Critical Compagnie des Machines Bull SA
Publication of GB721877A publication Critical patent/GB721877A/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
    • G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
    • G06F11/1012—Adding 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
    • G06F11/104—Adding 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/22—Making finned or ribbed tubes by fixing strip or like material to tubes
    • B21C37/26—Making finned or ribbed tubes by fixing strip or like material to tubes helically-ribbed tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
GB13952/51A 1950-06-17 1951-06-12 Improvements in or relating to record-card-controlled machines Expired GB721877A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR964732X 1950-06-17

Publications (1)

Publication Number Publication Date
GB721877A true GB721877A (en) 1955-01-12

Family

ID=9499561

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13952/51A Expired GB721877A (en) 1950-06-17 1951-06-12 Improvements in or relating to record-card-controlled machines

Country Status (6)

Country Link
US (1) US2781971A (h)
BE (1) BE503472A (h)
DE (1) DE964732C (h)
FR (2) FR1020455A (h)
GB (1) GB721877A (h)
NL (2) NL83451C (h)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL210583A (h) * 1955-09-13
GB848542A (en) * 1956-04-11 1960-09-21 Theodorus Reumerman Improvements in or relating to devices for determining check symbols for symbol groups and/or for checking symbol groups already provided with check symbols
US3064885A (en) * 1957-12-16 1962-11-20 Ibm Method and apparatus for verifying punched tape
US3102191A (en) * 1958-02-26 1963-08-27 North American Aviation Inc Sequence verification apparatus
US3052407A (en) * 1958-12-19 1962-09-04 Ibm Data storage device
US3300045A (en) * 1963-12-23 1967-01-24 Rca Corp Character reader document sorter

Also Published As

Publication number Publication date
FR1020455A (fr) 1953-02-06
BE503472A (h)
DE964732C (de) 1957-05-29
NL83451C (h)
NL161588B (nl)
FR61456E (fr) 1955-05-04
US2781971A (en) 1957-02-19

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