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
  • G06F11/16—Error detection or correction of the data by redundancy in hardware
  • G06F11/1608—Error detection by comparing the output signals of redundant hardware
  • G06F11/1616—Error detection by comparing the output signals of redundant hardware where the redundant component is an I/O device or an adapter therefor
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
  • B41J9/00—Hammer-impression mechanisms
  • B41J9/44—Control for hammer-impression mechanisms
  • B41J9/52—Control for hammer-impression mechanisms for checking the operation of print hammers
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
  • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
  • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
  • G01R31/2832—Specific tests of electronic circuits not provided for elsewhere
  • G01R31/2836—Fault-finding or characterising
• • G—PHYSICS
  • G06—COMPUTING OR CALCULATING; COUNTING
  • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
  • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
  • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
  • G06K15/08—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by flight printing with type font moving in the direction of the printed line, e.g. chain printers

Landscapes

• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• General Engineering & Computer Science (AREA)
• General Physics & Mathematics (AREA)
• Theoretical Computer Science (AREA)
• Quality & Reliability (AREA)
• Accessory Devices And Overall Control Thereof (AREA)
• Testing And Monitoring For Control Systems (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=9124671

Family Applications (1)

Country Status (4)

• 1973
  • 1973-09-05 FR FR7332061A patent/FR2245956B1/fr not_active Expired
• 1974
  • 1974-09-02 IT IT2684074A patent/IT1020377B/it active
  • 1974-09-04 JP JP49101000A patent/JPS5056823A/ja active Pending
  • 1974-09-04 GB GB3866174A patent/GB1480354A/en not_active Expired

Also Published As

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