Patent US3376504A successfully refreshed from Google Patents.
US3376504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital coarse and analog fine time interval measurement
Assignee: BRUCE B CHICK
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Filing: 1964-06-04
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Granted: 1968-04-02
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Expires: 1984-06-04
Abstract
No abstract record available.
Inventors
- 👤 Bruce B Chick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:38
CPC Classifications
G; G04; G04F; G04F10/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
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.
Claim 2
Dependent Claim
122 words
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.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |