Device for measuring the duration of a time interval

Details Device for measuring the duration of a time interval Device for measuring the duration of a time interval

1994-06-14

1996-10-29

Miska, Vit N.

Horology: time measuring systems or devices

Time interval

Electrical or electromechanical

368119, G04F 800, G04P 1000

Patent

active

055703267

ABSTRACT:
A device for measuring the duration of a time interval between an interval start signal (D) and an interval end signal (F). The device includes a digital circuit having first and second clocks (C1, C2) for counting the number of clock pulses between the interval start signal (D) and the interval end signal (F), an analog circuit for measuring the time separating the interval start signal (D) from a clock pulse following the interval start signal, and also for measuring the time separating the interval end signal (F) and a clock pulse following the interval end signal, and a processing circuit for determining the duration of the time interval based upon data supplied the digital circuit and data supplied by the analog circuit (previously converted into digital data). Particular utility for the present invention is found in the area of robotics.

REFERENCES:
patent: 4164648 (1979-08-01), Chu
patent: 4234881 (1980-11-01), Stauers
patent: 4562549 (1985-12-01), Tanaka et al.
patent: 4786861 (1988-11-01), Hulsing et al.
patent: 5200933 (1993-04-01), Thornton et al.
Index to Proceedings of the IRE vol. 45, 1957 pp. 21-30 "The Vernier Time-Measuring Technique" by: Rob G. Baron.
IEEE Transactions on Nuclear Science Oct., 1973 vol. NS-20, No. 5, pp. 36-51, By: Porat "Review of Sub-Nanosecond Time-Interval Measurements".

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