Communications: electrical – Digital comparator systems
Patent
1976-03-15
1977-04-12
Pitts, Harold
Communications: electrical
Digital comparator systems
340163, H04Q 900
Patent
active
040178315
ABSTRACT:
A system for continuously, automatically sensing the setting of operator controlled switches that denote: (1) the need for operator assistance [CALL]; and, (2) the operational status [STATUS] of a plurality of numerically controlled (N/C) machines is disclosed. The sensed CALL and STATUS information is transmitted, in a highly noise immune push-pull voltage manner, from the N/C machine locations (e.g., shop area) to a central processing unit (CPU) located in a control room. The CPU processes the received information and in accordance therewith transmits CALL control signals to one or more visual paging boards located in the shop area and to a status display board located in the control room. The status board displays, in real time, the STATUS information and CALL information, plus the elapsed time since a particular STATUS state started, or a particular CALL was made. In addition, a teletype or other suitable data terminal may transmit certain information (such as routine maintenance CALLS) to other locations (e.g., a maintenance room). Also, an on-line teletype which records all CALL transactions and provides a continuous record of system operations is included. Further, the CPU continuously accumulates and stores operational data and controls output devices such that management reports in either visual form (printouts) or storable form (punchtape, magnetic disc, magnetic tape, magnetic cards, etc.) are automatically produced at selected intervals, i.e., daily, weekly, monthly etc.
REFERENCES:
patent: 3418650 (1968-12-01), Rich
Tieden Jansey D.
Woodruff, Jr. Forester E.
Pitts Harold
The Boeing Company
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