US3216010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Range indicating system
Assignee: Individual
•
Filing: 1952-11-04
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Granted: 1965-11-02
•
Expires: 1972-11-04
Abstract
No abstract record available.
Inventors
- 👤 Conrad W Roeschke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:47
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/08; G01S13/32; G01S13/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A RANGE DETERMINING SYSTEM COMPRISING MEANS FOR GENERATING A CONTINUOUS WAVE OF DESIRED FREQUENCY, A PLURALITY OFMODULATION GENERATORS OF LOGARITHMICALLY RELATED FREQUENCIES, MEANS FOR APPLYING ONE OF SAID GENERATORS TO MODULATE THE AMPLITUDE OF SAID WAVE, MEANS FOR RADIATING THE MODULATED WAVE, MEANS FOR RECEIVING THE RADIATED WAVE AFTER REFLECTION FROM A SURFACE, MEANS FOR DEMODULATING THE REFLECTED WAVE, MEANS FOR COMPARING IN PHASE OF MODULATION THE RADIATED AND REFLECTED WAVES AND MEANS RESPONSIVE TO A PRESCRIBED PHASE DIFFERENCE FOR REPLACING THE APPLIED GENERATOR BY THE GENERATOR NEXT HIGHER IN FREQUENCY AT EACH RECURRENCE OF THE PRESCRIBED PHASE DIFFERENCE UNTIL THE GENERATOR OF HIGHEST FREQUENCY IS APPLIED.
Claim 2
Dependent Claim
107 words
A RANGE DETERMINING SYSTEM COMPRISING MEANS FOR GENERATING A CONTINUOUS WAVE OF DESIRED FREQUENCY, A PLURALITY OFMODULATION GENERATORS OF LOGARITHMICALLY RELATED FREQUENCIES, MEANS FOR APPLYING ONE OF SAID GENERATORS TO MODULATE THE AMPLITUDE OF SAID WAVE, MEANS FOR RADIATING THE MODULATED WAVE, MEANS FOR RECEIVING THE RADIATED WAVE AFTER REFLECTION FROM A SURFACE, MEANS FOR DEMODULATING THE REFLECTED WAVE, MEANS FOR COMPARING IN PHASE OF MODULATION THE RADIATED AND REFLECTED WAVES AND MEANS RESPONSIVE TO A PRESCRIBED PHASE DIFFERENCE FOR REPLACING THE APPLIED GENERATOR BY THE GENERATOR NEXT HIGHER IN FREQUENCY AT EACH RECURRENCE OF THE PRESCRIBED PHASE DIFFERENCE UNTIL THE GENERATOR OF HIGHEST FREQUENCY IS APPLIED.
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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |