Patent US3176262A successfully refreshed from Google Patents.
US3176262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Directional sonar systems
Assignee: Raytheon Co
•
Filing: 1960-04-06
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Granted: 1965-03-30
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Expires: 1980-04-06
Abstract
No abstract record available.
Inventors
- 👤 Stanley L Ehrlich
- 👤 Paul D Frelich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:59
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/52; G01S7/523; G01S7/526; G01S7/529; G01S15/00; G01S15/02; G01S15/06; G01S15/42; Y; Y10; Y10S; Y10S367/00; Y10S367/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A DETECTION SYSTEM COMPRISING MEANS FOR TRANSMITTING A SUBSTANTIALLY OMNIDIRECTIONAL PATTERN OF PULSES OF WAVE ENERGY, A PLURALITY OF TRANSDUCER MEANS EACH FOR DETECTING ECHOES OF SAID WAVE ENERGY FROM DIFFERENT AZIMUTHAL DIRECTIONS, COMPASS MEANS, A PLURALITY OF DIFFERENT CHANNELS, MEANS FOR COMBINATION IN EACH OF SAID CHANNELS ECHO SIGNALS DETECTED AT ALL OF SAID TRANSDUCERS PRODUCING IN A FIRST CHANNEL A SIGNAL WHOSE PHASE REPRESENTS ONE OF A FIRST PAIR OF OPPOSITE DIRECTIONS, PRODUCING IN A SECOND CHANNEL A SIGNAL WHOSE PHASE REPRESENTS ONE OF A SECOND PAIR OF OPPOSITE DIRECTIONS, AND PRODUCING IN A THIRD CHANNEL A SIGNAL WHOSE MAGNITUDE IS REPRESENTATIVE OF THE STRENGTH OF THE ECHO; A DISPLAY DEVICE, RESOLVER
Claim 2
Dependent Claim
114 words
A DETECTION SYSTEM COMPRISING MEANS FOR TRANSMITTING A SUBSTANTIALLY OMNIDIRECTIONAL PATTERN OF PULSES OF WAVE ENERGY, A PLURALITY OF TRANSDUCER MEANS EACH FOR DETECTING ECHOES OF SAID WAVE ENERGY FROM DIFFERENT AZIMUTHAL DIRECTIONS, COMPASS MEANS, A PLURALITY OF DIFFERENT CHANNELS, MEANS FOR COMBINATION IN EACH OF SAID CHANNELS ECHO SIGNALS DETECTED AT ALL OF SAID TRANSDUCERS PRODUCING IN A FIRST CHANNEL A SIGNAL WHOSE PHASE REPRESENTS ONE OF A FIRST PAIR OF OPPOSITE DIRECTIONS, PRODUCING IN A SECOND CHANNEL A SIGNAL WHOSE PHASE REPRESENTS ONE OF A SECOND PAIR OF OPPOSITE DIRECTIONS, AND PRODUCING IN A THIRD CHANNEL A SIGNAL WHOSE MAGNITUDE IS REPRESENTATIVE OF THE STRENGTH OF THE ECHO; A DISPLAY DEVICE, RESOLVER
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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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |