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United States Patent | 4,144,550 |
Donohue , et al. | March 13, 1979 |
A reproduction machine having a plurality of operating stations and a plurality of devices for controlling operational tasks of said operating stations comprising a master controller having an arithmetic and logic unit for controlling the devices in accordance with sensed operational parameters and a stored operation program and interface means connected in a communication path between the master controller and the devices. The interface means comprises a fiber-optic communication path for isolating the master controller from electrical noise and transients of the devices.
Inventors: | Donohue; James M. (Rochester, NY), Ling; Andrew T. (Rancho Palos Verdes, CA), Malinich; Richard M. (Penfield, NY), Nelson; Frank M. (Sherman Oaks, CA) |
Assignee: |
Xerox Corporation
(Stamford,
CT)
|
Appl. No.: | 05/829,014 |
Filed: | August 30, 1977 |
Current U.S. Class: | 399/77 ; 700/3 |
Current International Class: | G05B 19/04 (20060101); G03G 15/00 (20060101); G05B 19/042 (20060101); G03G 015/00 (); H04B 009/00 () |
Field of Search: | 364/102,107,200,900 355/1,14 350/96R |
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