Point of manufacture data acquisition system

Details Point of manufacture data acquisition system Point of manufacture data acquisition system

G - Physics

06

Q

354/230.3

G06Q 10/00 (2006.01) A41H 42/00 (2006.01)

Patent

CA 1128666

POINT-OF-MANUFACTURE DATA ACQUISITION SYSTEM Abstract of the Disclosure A point-of-manufacture data acquisition system for an industrial facility including a series of work stations through which workpiece units are transferred for production operations, comprising a multiplicity of workpiece unit identi- fication members, which may be punched data cards, each bearing scannable identification data to identify a workpiece unit, a number of similar production operation identification members each identifying a production operation, and a plurality of similar operator identification members each identifying an operator. There is a series of data terminals, one for each work station. Each data terminal includes a simple,manually- operated data scanner; when punched card identification members are employed, the data scanner comprises one LED and one photo- transistor. 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 for the microprocessor effectively controlling the sequence and acceptability of all data. A central polling processor periodically interrogates all data terminals to collect and record essentially complete payroll, production, and other data based essentially on scanning of the identification members. 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 data signals from the polling processor to the terminals on one line and from the terminals to the polling processor on another; the data signals on each line are of opposite polarity from the power. A modification for use of optical or magnetic bar code identification members is also described.

336064

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