Boots – shoes – and leggings
Patent
1981-06-03
1983-10-04
Sloyan, T. J.
Boots, shoes, and leggings
364470, 364468, 340310R, G06F 100, G06F 1546
Patent
active
044082916
ABSTRACT:
A point-of-manufacture data acquisition system for an industrial facility including a series of work stations through which workpiece units are transferred, comprising a multiplicity of workpiece unit identification members, which may be punched data cards, each bearing scannable workpiece unit identification data, a number of similar production operation identification members, and a plurality of similar operator identification members. There is a data terminal for each work station. Each data terminal includes a simple, manually-operated data scanner; for punched card identification members, the data scanner comprises one LED and one phototransistor. The data terminal also includes a data store, a data display, and a microprocessor which controls entry and retrieval of data in the store and processes that data; each data terminal further includes program means controlling the sequence and acceptability of all data. A central polling processor periodically interrogates all data terminals to collect and record data. Two transmission lines and a ground line connect the polling processor to the data terminals; the transmission lines transmit DC power in opposite polarities to all data terminals on a shared-time basis with digital data signals transmitted to and from the polling processor; the data signals on each line are of opposite polarity from the power.
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Gunzberg Guy W.
Lippman Lawrence G.
M. Wile & Company, Inc.
Sloyan T. J.
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