Automatic indirect testing to verify operational control

Details Automatic indirect testing to verify operational control Automatic indirect testing to verify operational control

1980-03-10

1982-03-30

Atkinson, Charles E.

Excavating

340514, 355 14C, 371 60, G01R 3128, G06F 1100

Patent

active

043228470

ABSTRACT:
System and method for determining whether a first operation is responsive to a controller. A second operation, whose successful functioning depends on the successful functioning of the first operation and which produces a sensible result, is initiated while the first operation is inhibited by the controller. Sensing that the second operation is producing a result indicates that the first operation is not responsive to the controller. A further test is provided to determine whether the second operation is functioning properly.

REFERENCES:
patent: 3539786 (1970-11-01), Raehpour
patent: 3936182 (1976-02-01), Sheikh
patent: 4035072 (1977-07-01), Deetz et al.
patent: 4162396 (1979-07-01), Howard et al.
patent: 4224606 (1980-09-01), Bartles
patent: 4243971 (1981-01-01), Suchowerskyj et al.
Carusone et al., Automatic Diagnosticein a Processor-Controlled Copier/Printer, IBM Tech. Discl. Bulletin, vol. 21, No. 11, Apr. 1979, pp. 4397-4398.

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