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    ARRANGEMENT FOR ERROR RECOVERY IN A SELF-GUARDING DATA PROCESSING SYSTEM
    2.
    发明专利
    ARRANGEMENT FOR ERROR RECOVERY IN A SELF-GUARDING DATA PROCESSING SYSTEM 未知

    公开(公告)号：CA1316608C

    公开(公告)日：1993-04-20

    申请号：CA594646

    申请日：1989-03-23

    Applicant: IBM

    Inventor： BOCK DIETRICH W ,  GRASSMANN KURT ,  RUDOLPH PETER ,  SCHULZE-SCHOELLING HERMANN

    IPC: G06F11/00 ,  G06F11/07

    Abstract: Arrangement for Error Recovery in a Self-Guarding Data Processing System In self-guarding data processing systems most of the error handling activities have to be implemented without any program support from a dedicated subsystem which is secured against the error problems which it has to handle. The self-guarding data processing system must be reset and restarted to handle the error procedures by itself. This means that the error status manifested in many check latches has to survive the reset and restart activities and that it has to be accessible by instructions within the processor in error. Check indicator latches are provided which are set by the error signals and which are read by the error handling program routines for further evaluation. They can only be reset by the error handling program routines.

    ARRANGEMENT FOR THE DYNAMIC DIRECT DIGITAL DISPLAY OF PULSE RELATIONS
    3.
    发明专利
    ARRANGEMENT FOR THE DYNAMIC DIRECT DIGITAL DISPLAY OF PULSE RELATIONS 未知

    公开(公告)号：CA1019482A

    公开(公告)日：1977-10-18

    申请号：CA213087

    申请日：1974-11-05

    Applicant: IBM

    Inventor： LAMPE HANS H ,  RUDOLPH PETER ,  HAHN GUENTER

    IPC: G01R13/00 ,  G01R13/40

    Abstract: An arrangement for the dynamic direct display of pulses in the nanosecond range operates without oscilloscopes or other special display apparatus. To display pulse timing or amplitude characteristics, a pulse sequence is applied to an equidistant tapped delay line, the output from each tap being connected to a bistable storage element with an indicator lamp in the output. A plurality of indicator lamps are arranged in the form of a matrix. If a pulse occurs on a tap during a sampling interval, the associated indicator lamp is turned on. The sequence and identity of the turned on indicators is indicative of the pulse spacing and the pulse width in the pulse sequence.

    METHODS OF IMPROVING THE MEASURE AND DISPLAY PRECISION IN AN ARRANGEMENT FOR INTERROGATING AND REPRESENTING RAL VALUES TO BE MEASURED
    6.
    发明专利
    METHODS OF IMPROVING THE MEASURE AND DISPLAY PRECISION IN AN ARRANGEMENT FOR INTERROGATING AND REPRESENTING RAL VALUES TO BE MEASURED 未知

    公开(公告)号：CA1049152A

    公开(公告)日：1979-02-20

    申请号：CA228405

    申请日：1975-06-03

    Applicant: IBM

    Inventor： LAMPE HANS H ,  RUDOLPH PETER ,  DEUERLEIN ARTHUR

    IPC: G01D7/00 ,  G01R13/28 ,  G06F11/32 ,  G06F13/00 ,  G06F17/40 ,  H03K13/02

    Abstract: Methods Of Improving The Measure And Display Precision In An Arrangement For Interrogating And Representing Several Values To Be Measured This invention provides a method of improving the measure and display precision in an arrangement for interrogatinq several values to be measured which are picked up by input/output devices or service processors of a computer system, and generally by discrete and discretely addressable functional units, where the individual functional units are connected to an address channel and predetermined addresses are associated thereto, and where furthermore the individual functional units are connected to a measure data channel via which, after addressing and switchinq, data are transferrable to a central location, and where for the time representation of these measure values on a display device, all desired measure positions of the one service processor selected by means of the selected address being switched simultaneously via the central measure data channel with a central measuring processor, a trigger signal supplied by the selected service processor and applied on a measure data channel line is selectable for synchronization, this trigger signal furthermore causing the central measuring processor to start interrogating in predetermined intervals all measure data signals on the measure data channel simultaneously, and where finally the momentary measure values in that interrogation are stored in a storage and displayed in parallel and simultaneously in different lines on the alphanumeric screen used as display device with column and line representation, the screen having a storage where all characters displayed on the screen can be stored and used again and again for display, and where each column of the screen has an associated interrogation pulse, characterized in that upon each second newly triggered cycle the interrogation pulses, relative to the interrogation pulses of the preceding cycle, are staggered as a whole with respect to time, said time staggering being relatively small regarding the spacing of two interrogation pulses.

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