Patent US4534806A successfully refreshed from Google Patents.
Patent US3172105A successfully refreshed from Google Patents.
US3172105A
Expired / Lapsed
US
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Radar tester
Assignee: Hazeltine Research Inc
•
Filing: 1960-06-23
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Granted: 1965-03-02
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Expires: 1980-06-23
Abstract
No abstract record available.
Inventors
- 👤 Carl E Schwab
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:56
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A TESTING UNIT FOR MEASURING THE OVER-ALL PERFORMANCE OF A RADAR SYSTEM COMPRISING: MEANS RESPONSIVE TO A TRANSMITTED SIGNAL FROM SAID SYSTEM FOR DEVELOPING A DELAYED REPODUCTION THEREOF WHICH IS SUPPLIED TO THE RECEIVING CIRCUITS OF SAID SYSTEM TO SIMULATE A TARGET RETURN SIGNAL; MEANS FOR INDICATING THE AMPLITUDES OF SAID TRANSMITTED AND RETURN SIGNALS; AND MEANS FOR INDIVIDUALLY ADJUSTING THE AMPLITUDES OF SAID TRANSMITTED AND RETURN SIGNALS TO A PRESCRIBED LEVEL ON SAID LAST-MENTIONED MEAN, THE SETTINGS OF THE ADJUSTMENTS PROVIDING A MEASURE OF THE RELATIVE AMPLITUDES OF SAID TRANSMITTED AND RETURN SIGNALS.
Claim 2
Dependent Claim
94 words
A TESTING UNIT FOR MEASURING THE OVER-ALL PERFORMANCE OF A RADAR SYSTEM COMPRISING: MEANS RESPONSIVE TO A TRANSMITTED SIGNAL FROM SAID SYSTEM FOR DEVELOPING A DELAYED REPODUCTION THEREOF WHICH IS SUPPLIED TO THE RECEIVING CIRCUITS OF SAID SYSTEM TO SIMULATE A TARGET RETURN SIGNAL; MEANS FOR INDICATING THE AMPLITUDES OF SAID TRANSMITTED AND RETURN SIGNALS; AND MEANS FOR INDIVIDUALLY ADJUSTING THE AMPLITUDES OF SAID TRANSMITTED AND RETURN SIGNALS TO A PRESCRIBED LEVEL ON SAID LAST-MENTIONED MEAN, THE SETTINGS OF THE ADJUSTMENTS PROVIDING A MEASURE OF THE RELATIVE AMPLITUDES OF SAID TRANSMITTED AND RETURN SIGNALS.
References Cited (Backward Citations)
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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) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |