US3226535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phase difference means for seismic studies
Assignee: Individual
•
Filing: 1961-12-13
•
Granted: 1965-12-28
•
Expires: 1981-12-13
Abstract
No abstract record available.
Inventors
- 👤 Andrew A Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:36
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/32; G06G7/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
223 words
AN APPARATUS FOR INCREASING THE SIGNAL TO NOISE RATIO IN ACOUSTIC EXPLORATION SYSTEMS COMPRISING THE COMBINATION OF A STRESS GAUGE, A VELOCITY GAUGE, A FIRST AND SECOND MULTIPLIER AND AN ADDER EACH HAVING A FIRST AND SECOND INPUT TERMINAL, A FIRST DIVIDER HAVING ONE INPUT TERMINAL, A SECOND DIVIDER HAVING A FIRST AND SECOND INPUT TERMINAL, A CONSTANT VOLTAGE SOURCE, AN INTEGRATOR HAVING INPUT AND OUTPUT TERMINALS, AND A RECORDER EACH HAVING ONE INPUT TERMINAL; WHEREAS; THE OUTPUT OF SAID VELOCITY GAUGE AND THE OUTPUT OF SAID CONSTANT VOLTAGE SOURCE BEING APPLIED TO THE FIRST AND SECOND INPUT TERMINALS OF SAID FIRST MULTIPLIER, RESPECTIVELY; THE OUTPUT OF SAID FIRST MULTIPLIER AND THE OUTPUT OF SAID STRESS GAUGE BEING APPLIED TO THE FIRST AND SECOND INPUT TERMINALS OF SAID ADDER; RESPECTIVELY; THE OUTPUT OF SAID ADDER BEING APPLIED TO SAID FIRST DIVIDER; THE OUTPUT OF SAID FIRST DIVIDER AND THE OUTPUT OF SAID CONSTANT VOLTAGE SOURCE BEING APPLIED TO THE FIRST AND SECOND INPUT TERMINALS OF SAID SECOND DIVIDER, RESPECTIVELY; THE OUTPUT OF SAID FIRST DIVIDER AND SAID SECOND DIVIDER BEING APPLIED TO THE FIRST AND SECOND INPUT TERMINALS OF SAID SECOND MULTIPLIER, RESPECTIVELY; THE OUTPUT OF SAID SECOND MULTIPLIER BEING APPLIED TO THE INPUT TERMINAL OF SAID INTEGRATOR; AND THE OUTPUT OF SAID INTEGRATOR BEING APPLIED TO THE INPUT TERMINAL OF SAID RECORDER.
Claim 2
Independent Claim
223 words
AN APPARATUS FOR INCREASING THE SIGNAL TO NOISE RATIO IN ACOUSTIC EXPLORATION SYSTEMS COMPRISING THE COMBINATION OF A STRESS GAUGE, A VELOCITY GAUGE, A FIRST AND SECOND MULTIPLIER AND AN ADDER EACH HAVING A FIRST AND SECOND INPUT TERMINAL, A FIRST DIVIDER HAVING ONE INPUT TERMINAL, A SECOND DIVIDER HAVING A FIRST AND SECOND INPUT TERMINAL, A CONSTANT VOLTAGE SOURCE, AN INTEGRATOR HAVING INPUT AND OUTPUT TERMINALS, AND A RECORDER EACH HAVING ONE INPUT TERMINAL; WHEREAS; THE OUTPUT OF SAID VELOCITY GAUGE AND THE OUTPUT OF SAID CONSTANT VOLTAGE SOURCE BEING APPLIED TO THE FIRST AND SECOND INPUT TERMINALS OF SAID FIRST MULTIPLIER, RESPECTIVELY; THE OUTPUT OF SAID FIRST MULTIPLIER AND THE OUTPUT OF SAID STRESS GAUGE BEING APPLIED TO THE FIRST AND SECOND INPUT TERMINALS OF SAID ADDER; RESPECTIVELY; THE OUTPUT OF SAID ADDER BEING APPLIED TO SAID FIRST DIVIDER; THE OUTPUT OF SAID FIRST DIVIDER AND THE OUTPUT OF SAID CONSTANT VOLTAGE SOURCE BEING APPLIED TO THE FIRST AND SECOND INPUT TERMINALS OF SAID SECOND DIVIDER, RESPECTIVELY; THE OUTPUT OF SAID FIRST DIVIDER AND SAID SECOND DIVIDER BEING APPLIED TO THE FIRST AND SECOND INPUT TERMINALS OF SAID SECOND MULTIPLIER, RESPECTIVELY; THE OUTPUT OF SAID SECOND MULTIPLIER BEING APPLIED TO THE INPUT TERMINAL OF SAID INTEGRATOR; AND THE OUTPUT OF SAID INTEGRATOR BEING APPLIED TO THE INPUT TERMINAL OF SAID RECORDER.
References Cited (Backward Citations)
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US2989726A
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US2840308A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |