Patent US4193130A successfully refreshed from Google Patents.
US3222671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ranging-blanking circuit
Assignee: Individual
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Filing: 1962-09-13
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Granted: 1965-12-07
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Expires: 1982-09-13
Abstract
No abstract record available.
Inventors
- 👤 Matteo Paul L Di
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:01
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/66; G01S13/70
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
119 words
A RANGING AND BLANKING CIRCUIT FOR USE WITH A TARGET TRACKING SYSTEM FOR BLANKING ALL VIDEO SIGNALS FROM TARGETS BEYOND THE RANGE OF A SELECTED TARGET, COMPRISING IN COMBINATION: THRESHOLD CIRCUIT MEANS, INPUT TERMINAL MEANS FOR FEEDING TARGET VIDEO PULSES THROUGH SAID THRESHOLD CIRCUIT MEANS, BISTABLE MULTIVIBRATOR MEANS CONNECTED TO SAID THRESHOLD CIRCUIT MEANS, BOXCAR DETECTOR MEANS, BLOCKING OSCILLATOR MEANS CONNECTED BETWEEN SAID THRESHOLD CIRCUIT MEANS AND SAID BOXCAR DETECTOR MEANS PROVIDING SAID BOXCAR DETECTOR MEANS WITH A DISCHARGE PULSE FOR EACH VIDEO PULSE PASSED THROUGH SAID THRESHOLD CIRCUIT MEANS, CIRCUIT MEANS CONNECTED BETWEEN SAID BOXCAR DETECTOR MEANS AND SAID BISTABLE MULTIVIBRATOR MEANS RESPONSIVE TO THE OUTPUT OF SAID BOXCAR DETECTOR TO TRIGGER SAID BISTABLE MULTIVIBRATOR MEANS ONCE PER
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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |