Digital monitor

Details Digital monitor Digital monitor

1976-11-09

1977-11-22

Atkinson, Charles E.

Registers

Systems controlled by data bearing records

Time analysis

2353041, G06F 1100

Patent

active

040597490

ABSTRACT:
A monitor for checking a plurality of multi-bit digital patterns generated by a system being monitored to determine that each pattern is valid, that each of the patterns appear in the right sequence and that the total number of valid patterns detected during the testing cycle is as expected is disclosed. Additionally, the bit patterns are monitored to detect unexpected transitions. The results of these tests are then combined to form a composite malfunction signal indicative of the operational status of the system being monitored.

REFERENCES:
patent: 3518413 (1970-06-01), Holtey
patent: 3536902 (1970-10-01), Cochran et al.
patent: 3582633 (1971-06-01), Webb
patent: 3713095 (1973-01-01), McPherson
patent: 3976864 (1976-08-01), Gordon et al.

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