Digital coarse and analog fine time interval measurement
First Claim
1. TIME INTERVAL MEASUREMENT DEVICE COMPRISING A SOURCE OF START AND STOP SIGNALS, A MARKER GENERATOR, THE START SIGNAL KEYING SAID MARKER GENERATOR WHICH INITIATES A SERIES OF ACCURATELY SPACED MARKERS, A DELAY MEANS DELAYING BY AN ADJUSTABLE AMOUNT THE START SIGNAL, AN AND GATE, THE AND GATE PASSING A MARKER PULSE UPON COINCIDENCE OF THE DELAYED START SIGNAL AND SAID MARKER PULSE, A SAW-TOOTH GENERATOR, SAID SELECTED MARKER PULSE TRIGGERING SAID SAW-TOOTH GENERATOR, SAID STOP PULSE TERMINATING GENERATION OF SAID SAW-TOOTH, THE SAW-TOOTH GENERATOR OUTPUT BEING FED TO A PEAK DETECTOR TO MEASURE MAXIMUM SAW-TOOTH RISE WHEREBY THE TIME INTERVAL BETWEEN SAID START AND STOP SIGNALS IS INDICATED BY THE AMOUNT OF DELAY FROM SAID DELAY MEANS AND THE MAXIMUM SAW-TOOTH RISE.
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1 Claim
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1. TIME INTERVAL MEASUREMENT DEVICE COMPRISING A SOURCE OF START AND STOP SIGNALS, A MARKER GENERATOR, THE START SIGNAL KEYING SAID MARKER GENERATOR WHICH INITIATES A SERIES OF ACCURATELY SPACED MARKERS, A DELAY MEANS DELAYING BY AN ADJUSTABLE AMOUNT THE START SIGNAL, AN AND GATE, THE AND GATE PASSING A MARKER PULSE UPON COINCIDENCE OF THE DELAYED START SIGNAL AND SAID MARKER PULSE, A SAW-TOOTH GENERATOR, SAID SELECTED MARKER PULSE TRIGGERING SAID SAW-TOOTH GENERATOR, SAID STOP PULSE TERMINATING GENERATION OF SAID SAW-TOOTH, THE SAW-TOOTH GENERATOR OUTPUT BEING FED TO A PEAK DETECTOR TO MEASURE MAXIMUM SAW-TOOTH RISE WHEREBY THE TIME INTERVAL BETWEEN SAID START AND STOP SIGNALS IS INDICATED BY THE AMOUNT OF DELAY FROM SAID DELAY MEANS AND THE MAXIMUM SAW-TOOTH RISE.
Specification
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Current AssigneeBruce B. Chick
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Original AssigneeBruce B. Chick
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InventorsChick, Bruce B.
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Application NumberUS04/372,581Time in Patent Office1,398 DaysField of SearchUS Class Current368/118CPC Class CodesG04F 10/00 Apparatus for measuring unk...
