Patent US3181114A successfully refreshed from Google Patents.
US3181114A
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Ultrasonic distance measurement method and apparatus
Assignee: Bunker Ramo Corp
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Filing: 1960-07-26
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Granted: 1965-04-27
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Expires: 1980-07-26
Abstract
No abstract record available.
Inventors
- 👤 Clyde E Hallmark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:38
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/52; G01S7/52004; G01S15/00; G01S15/02; G01S15/06; G01S15/08; G01S15/32; G01S15/36; Y; Y10; Y10S; Y10S367/00; Y10S367/902
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
92 words
IN AN ULTRASONIC DISTANCE MEASURING SYSTEM ARRANGED TO MEASURE A DISTANCE FUNCTION AS TO TWO SPACED POINTS, COMPENSATION MEANS COMPRISING MEANS FOR SENDING OUT ULTRASONIC ENERGY AT A CERTAIN RATE, MEANS FOR REFLECTING SAID WAVES, MEANS FOR RECEIVING SAID ENERGY AFTER TRANSMISSION AND REFLECTION THROUGH A FIXED DISTANCE, PHASE DETECTOR MEANS RESPONSIVE TO THE TRANSMITTED AND RECEIVED WAVES FOR PRODUCING A COMPENSATING SIGNAL CORRESPONDING TO THE VELOCITY OF ULTRASONIC WAVE TRANSMISSION, AND MEANS FOR APPLYING SAID COMPENSATING SIGNAL CORRESPONDTEM TO COMPENSATE SAID SYSTEM FOR VARIATIONS IN THE VELOCITY OF ULTRANSONIC WAVE TRANSMISSION.
References Cited (Backward Citations)
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US2960678A
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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) | 1968-04-26 | 1968-10-26 | 1969-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-26 | 1972-10-26 | 1973-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-26 | 1976-10-26 | 1977-04-27 | $7700.00 | Window Closed / Lapsed |