Communications: electrical – Digital comparator systems
Patent
1973-05-14
1976-08-24
Shaw, Gareth D.
Communications: electrical
Digital comparator systems
2351511, G06F 305, G06F 902
Patent
active
039769810
ABSTRACT:
A control system for controlling a number of different variables in accordance with input information has a plurality of separate control channels each including a digital store, preferably a shift register, for storing input and output data and also control parameters appropriate to that channel. The channels are connected sequentially to a common data processing unit which makes use of a common algorithm store. Selection of algorithms for the various channels is effected by a pin board matrix thereby providing a visual display of the selected algorithms. An operator's console has facilities for selecting any channel and displaying information from the channel store on monitors. A key-board enables the operator to change control parameters of the selected channel. Each channel also includes means for analogue-to-digital conversion of input information, digital to analogue conversion of output information and holding means for output analogue data.
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patent: 3267434 (1966-08-01), Clark
patent: 3374464 (1968-03-01), Brothman
patent: 3581289 (1971-05-01), Wilhelm
Rosemount Engineering Company Limited
Shaw Gareth D.
Vandenburg John P.
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