FR1167556A - Appareil de lecture et de comparaison d'enregistrements - Google Patents

Appareil de lecture et de comparaison d'enregistrements

Info

Publication number
FR1167556A
FR1167556A FR1167556DA FR1167556A FR 1167556 A FR1167556 A FR 1167556A FR 1167556D A FR1167556D A FR 1167556DA FR 1167556 A FR1167556 A FR 1167556A
Authority
FR
France
Prior art keywords
comparison device
record reading
record
reading
comparison
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
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.)
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
Application granted granted Critical
Publication of FR1167556A publication Critical patent/FR1167556A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F7/02—Comparing digital values

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • General Engineering & Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Credit Cards Or The Like (AREA)
  • Conveying Record Carriers (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
FR1167556D 1955-02-04 1956-01-31 Appareil de lecture et de comparaison d'enregistrements Expired FR1167556A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US486166A US2975965A (en) 1955-02-04 1955-02-04 Record comparing reader

Publications (1)

Publication Number Publication Date
FR1167556A true FR1167556A (fr) 1958-11-26

Family

ID=23930868

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1167556D Expired FR1167556A (fr) 1955-02-04 1956-01-31 Appareil de lecture et de comparaison d'enregistrements

Country Status (3)

Country Link
US (1) US2975965A (fr)
FR (1) FR1167556A (fr)
GB (1) GB819582A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3277283A (en) * 1962-03-22 1966-10-04 Control Data Corp Railway car identifier
US3218441A (en) * 1962-04-04 1965-11-16 Ibm Cathode ray captured spot sensing unit
US3510092A (en) * 1967-07-28 1970-05-05 Honeywell Inc Craft altitude control apparatus
US3774014A (en) * 1972-03-20 1973-11-20 Pitney Bowes Alpex Printed code scanning system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2501791A (en) * 1944-08-10 1950-03-28 Stanolind Oil & Gas Co Inkless recorder
US2521635A (en) * 1945-11-08 1950-09-05 Brush Dev Co Image retaining system
US2566509A (en) * 1946-12-19 1951-09-04 Rca Corp Television camera with indicator
US2757865A (en) * 1947-06-26 1956-08-07 Products And Licensing Corp Record identifying method and apparatus
US2626989A (en) * 1948-10-28 1953-01-27 Albert A Brown Comparative photometer
BE504360A (fr) * 1950-07-19 1900-01-01
US2742631A (en) * 1954-05-27 1956-04-17 Rca Corp Method and apparatus for recording and transmitting information using phosphors

Also Published As

Publication number Publication date
GB819582A (en) 1959-09-09
US2975965A (en) 1961-03-21

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