US3195136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Time and distance of closest approach detector of moving object
Assignee: Individual
•
Filing: 1962-09-20
•
Granted: 1965-07-13
•
Expires: 1982-09-20
Abstract
No abstract record available.
Inventors
- 👤 Perry L Klein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:36
CPC Classifications
G; G01; G01S; G01S11/00; G01S11/02; G01S11/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
89 words
A SYSTEM, COMPRISING MEANS FOR RECEIVING A FREQUENCY WHICH CHANGES AS A FUNCTION OF TIME, MEANS FOR CONVERTING THE SIGNAL TO PRODUCE AN INTERMEDIATE FREQUENCY, MEANS FOR MULTIPLYING SLOPES ALONG THE RECEIVED CURVE THROGH FREQUENCY MULTIPLICATION, MEANS FOR DELAYING THE SIGNAL BY A SMALL TIME INTERVAL, MEANS FOR MIXING THE UN-DELAYED PORTION OF THE SIGNAL WITH THE DELAYED PORTION TO OBTAIN A FREQUENCY WHICH VARIES AS THE FIRST DERIVATIVE OF THE ORIGINAL CURVE, COMBINATION OF MEANS TO READ THE SLOPE OF THE ORIGINAL CURVE AS A FUNCTION OF TIME.
References Cited (Backward Citations)
US3089029A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |