Data acquisition technique for hoist and conveying systems

Details Data acquisition technique for hoist and conveying systems Data acquisition technique for hoist and conveying systems

1979-08-02

1981-08-18

Pitts, Harold I.

Communications: electrical

Digital comparator systems

340149R, H04Q 300

Patent

active

042849772

ABSTRACT:
A data acquisition system is used in an industrial environment in connection with the conveying of work pieces or the like usually through a number of processed steps such as in connection with a programmable conveying system which may be used in the field of electroplating, heat treating or an immersion coating. With the technique of this invention positive data feedback from the product member (work piece) is obtainable for the purpose of, for example, identity of work parts, choice selection, or critical parameter control. The technique utilizes two separate channels including a sync channel and a data channel for providing target information which is read serially as the work is hoisted by a two-channel photo electric receiver/transmitter preferably mounted to a stationary member of the hoist frame or leg. The data and synchronizing channel signals are used combinatorily to provide a system that is immune to the rate differential of carriers or stop-restart operation. In a preferred mode of operation at the time that the piece being conveyed is loaded at a load station, the operator introduces a coded card or the like carried by the hoist, which card may be subsequently read by the reader with the data on the card representative of certain information such as the identity of the parts.

REFERENCES:
patent: 3002115 (1961-09-01), Johnson
patent: 3184725 (1965-05-01), Siegel
patent: 3274553 (1966-09-01), Oya
patent: 3278817 (1966-10-01), Johnson
patent: 3815084 (1974-06-01), Pease
patent: 3996568 (1976-12-01), Sturm

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