Patent US1907637A successfully refreshed from Google Patents.
Patent US3367173A successfully refreshed from Google Patents.
US3367173A
Expired / Lapsed
US
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Device for sonic and ultrasonic internal scanning of solid and fluid media
Assignee: HAFFREL INSTR Inc
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Filing: 1964-02-21
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Granted: 1968-02-06
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Expires: 1984-02-21
Abstract
No abstract record available.
Inventors
- 👤 Russel L Uphoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:41
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/36; G01N29/40; A; A61; A61B; A61B8/00; A61B8/08; G01S; G01S7/00; G01S7/52; G01S7/52017; G01S7/52023; G01S7/52033
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A DEVICE FOR INSPECTING SOLID AND FLUID OBJECTS COMPRISING IN COMBINATION: AN ELECTRICAL PULSE GENERATOR CIRCUIT FOR GENERATING PULSES AT A PULSE RECURRENCE FREQUENCY ELECTRO-MECHANICAL TRANSDUCER MEANS ENERGIZED BY SAID GENERATOR FOR APPLYING MECHANICAL PULSES TO THE OBJECT, FOR RECEIVING MECHANICAL PULSES FROM SAID OBJECT, AND FOR GENERATING OTHER ELECTRICAL PULSES IN RESPONSE TO THE RECEIVED MECHANICAL PULSES; A RECEIVING CIRCUIT COMPRISING: AN ELECTRICAL PULSE AMPLIFIER; MEANS FOR APPLYING SAID OTHER ELECTRICAL PULSES FROM SAID TRANSDUCER MEANS TO SAID AMPLIFIER, SAID FIRST NAMED PULSES BEING APPLIED TO THE AMPLIFIER; AND DISPLAY MEANS FOR DISPLAY OF THE OUTPUT OF SAID AMPLIFIER; AND MODULATING MEANS FOR MODULATING ONE OF SAID CIRCUITS TO VARY THE AMPLITUDE OF THE OUTPUT THEREOF AT A MODULATION FREQUENCY OTHER THAN THE PULSE RECURRENCE FREQUENCY OTHER THAN THE PULSE RECURRENCE FREQUENCY WHEREBY THE SYSTEM GAIN, OR AMPLITUDE AT THE AMPLIFIER OUTPUT, OF AN ECHO OF EACH TRANSMITTED PULSE VARIES OVER THE PERIOD OF THE MODULATING FREQUENCY.
Claim 2
Independent Claim
158 words
A DEVICE FOR INSPECTING SOLID AND FLUID OBJECTS COMPRISING IN COMBINATION: AN ELECTRICAL PULSE GENERATOR CIRCUIT FOR GENERATING PULSES AT A PULSE RECURRENCE FREQUENCY ELECTRO-MECHANICAL TRANSDUCER MEANS ENERGIZED BY SAID GENERATOR FOR APPLYING MECHANICAL PULSES TO THE OBJECT, FOR RECEIVING MECHANICAL PULSES FROM SAID OBJECT, AND FOR GENERATING OTHER ELECTRICAL PULSES IN RESPONSE TO THE RECEIVED MECHANICAL PULSES; A RECEIVING CIRCUIT COMPRISING: AN ELECTRICAL PULSE AMPLIFIER; MEANS FOR APPLYING SAID OTHER ELECTRICAL PULSES FROM SAID TRANSDUCER MEANS TO SAID AMPLIFIER, SAID FIRST NAMED PULSES BEING APPLIED TO THE AMPLIFIER; AND DISPLAY MEANS FOR DISPLAY OF THE OUTPUT OF SAID AMPLIFIER; AND MODULATING MEANS FOR MODULATING ONE OF SAID CIRCUITS TO VARY THE AMPLITUDE OF THE OUTPUT THEREOF AT A MODULATION FREQUENCY OTHER THAN THE PULSE RECURRENCE FREQUENCY OTHER THAN THE PULSE RECURRENCE FREQUENCY WHEREBY THE SYSTEM GAIN, OR AMPLITUDE AT THE AMPLIFIER OUTPUT, OF AN ECHO OF EACH TRANSMITTED PULSE VARIES OVER THE PERIOD OF THE MODULATING FREQUENCY.
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) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |