Boots – shoes – and leggings
Patent
1982-09-21
1985-06-04
Smith, Jerry
Boots, shoes, and leggings
364132, 371 7, 371 9, 371 12, 355 14C, G06F 1100
Patent
active
045218471
ABSTRACT:
The present invention is a multiprocessor control system that allows full job recovery after a machine power down or after a malfunction or software crash or temporary power outage. In particular, essential variables such as the state and status of the machine and the programmed job at the time of the malfunction are maintained in nonvolatile memory. This information is continually updated in nonvolatile memory. Once the control system has reset and reinitialized all the control elements after a malfunction, the control restores or downloads all the relevant variables in the nonvolatile memory to the various control elements to maintain status. In another embodiment, the essential variables are maintained in RAM locations in a master processor and saved for downloading to the control elements.
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Baker George E.
Bunker Keith G.
Dumas Glen A.
Husted Raymond R.
Place, Jr. George H.
Chapuran Ronald F.
MacDonald Allen
Smith Jerry
Xerox Corporation
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