Time measuring system with large dynamic range

Details Time measuring system with large dynamic range Time measuring system with large dynamic range

1987-02-11

1989-01-31

Heyman, John S.

Electrical pulse counters, pulse dividers, or shift registers: c

Applications

Measuring or testing

328145, 3281291, 307492, 354427, H03M 700, G06G 724

Patent

active

048021946

ABSTRACT:
A time interval measuring system includes circuitry for generating a signal indicating the beginning and end of a time interval, a clock to generate a periodically increasing clock signal, and a counter to count the clock signal between the beginning and end of the interval. The periodically increasing clock signal comprises a series of pulses each of which has a pulse period which is longer than the pulse period of the preceding pulse by a predetermined ratio greater than one.

REFERENCES:
patent: 3586835 (1971-06-01), Foeh
patent: 3745475 (1973-07-01), Turner
patent: 4052676 (1977-10-01), Crittenden
patent: 4213683 (1980-07-01), Furukawa
patent: 4255793 (1981-03-01), Nakamura
patent: 4397031 (1983-08-01), Weber

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