1989-03-20
1991-07-16
Smith, Jerry
Excavating
G06F 1110
Patent
active
050330500
ABSTRACT:
A data processing system having a device performing input and output of data for processing the data. The system includes a main control unit for processing the data and for performing a parity check function to detect abnormality of data transmitted in the system, a parity check control unit coupled to the main control unit for performing the parity check function for the device, and an external device unit operative coupled to the main control unit and the parity check control unit for performing input and output of the data under control of the parity check function and for generating an inhibition signal to inhibit the operation of the parity check control unit.
REFERENCES:
patent: 3177472 (1965-04-01), Githens
patent: 4223326 (1980-09-01), D'Amato et al.
patent: 4224681 (1980-09-01), Lewine
patent: 4326291 (1982-04-01), Marsh et al.
patent: 4872172 (1989-10-01), Sanner
Chung Phung My
Kabushiki Kaisha Toshiba
Smith Jerry
LandOfFree
Operation control system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Operation control system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Operation control system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-137610