Method of and apparatus for determining the direction of the mut

Details Method of and apparatus for determining the direction of the mut Method of and apparatus for determining the direction of the mut

1977-01-21

1978-04-11

Corcoran, Robert J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Phase comparison

307232, 324165, 328133, 340271, G01R 2500, H03D 1300

Patent

active

040841332

ABSTRACT:
Circuitry having at least two stores for the periodical storage of instantaneous values of at least two similar stochastic signals, at least two comparison circuits for comparing during a comparison time interval the stored values with subsequently occurring values of the other signal and for the formation of two positive functions depending on the comparison results, a device for the temporal integration of the differences of the two functions, and a device for indicating the sign of the result of the integration thus providing a determination of the direction of the mutual temporal shift T of the two stochastic signals.

REFERENCES:
patent: 3614616 (1971-10-01), Bucek et al.
patent: 3683285 (1972-08-01), Wild
patent: 3728565 (1973-04-01), O'Callaghan
Vermeulen, J. C.; Distance Measuring, IBM Tech. Bull., vol. 14, No. 7, Dec. 1971, pp. 2063-2065.
Jackson, H. C.; Logical Motion and Direction Detection; IBM Tech. Bull., vol. 14, No. 12, May 1972, pp. 3672-3673.
Crisp, J. M.; Asynchronous Direction of Motion Detection; IBM Tech. Bull., vol. 15, No. 1, (June 1972) pp. 114-115.
Crisp, J. M.; Direction and Speed Detection Circuit; IBM Tech. Bull.; vol. 15, No. 4, Sept. 1972, pp. 1198-1199.

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