Circuit for transferring position data in a computer controlled

Details Circuit for transferring position data in a computer controlled Circuit for transferring position data in a computer controlled

1982-01-18

1984-10-02

Ruggiero, Joseph F.

Boots, shoes, and leggings

364200, 364900, 364184, 377 17, G06F 738, G06M 314

Patent

active

044751540

ABSTRACT:
A circuit for transferring measured values from an incremental position measuring system wherein the analogue output signals of this incremental position measuring system are digitized and transferred via a counter to a computer which delivers them to an evaluation device. Between the counter and the computer there is provided an intermediate storage in order to avoid that the computer receives instable data during the processing time of the counter between two events, during which the counter passes from one counter state to the next one. By means of a synchronization circuit the computer controls the intermediate storage according to a priority sequence and such that this intermediate storage only reads counter states from the counter during time intervals which are greater than the processing time of the counter or at least equal thereto. Therefore, the computer equally only transmits stable data which can be employed, for instance, at a processing or measuring machine for a high-precision position regulation.

REFERENCES:
patent: 3396371 (1968-08-01), Waldecker
patent: 4079235 (1978-03-01), Froyd et al.
patent: 4225931 (1980-09-01), Schwefel
patent: 4229646 (1980-10-01), Burkhardt et al.
Data Processing and Computer Programming, Cashman et al., Canfield Press, Harper and Row, N.Y., 1971, pp. 227-229.
Computer Dictionary and Handbook, 3rd Ed., Sippl et al., Howard W. Sims and Co. Inc., Ind., 1980, p. 542.

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