Patent US3267470A successfully refreshed from Google Patents.
US3267470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radially intensified ppi collision course detector
Assignee: Unisys Corp
•
Filing: 1964-12-11
•
Granted: 1966-08-16
•
Expires: 1984-12-11
Abstract
No abstract record available.
Inventors
- 👤 Robert F Riggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:58
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/88; G01S13/93; G01S13/937
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
IN A PLAN POSITION INDICATOR SYSTEM WHEREIN TARGET ECHO SIGNALS ARE REPRESENTED BY INTESIFICATIONS OF A CATHODE RAY TUBE BEAM AND SAID SYSTEM PROVIDES TRIGGERS FOR SYNCHORIZING THE RADIAL SWEEP OF SAID BEAM, MEANS FOR INTENSIFYING SAID BEAM COMPRISING A BISTABLE DEVICE HAVING SET AND RESET TERMINALS, MEANS FOR APPLYING SAID ECHO SIGNALS TO SAID SET TERMINAL, MEANS RESPONSIVE TO SAID TRIGGERS FOR PRODUCING SIGNALS DELAYED WITH RESPECT THERETO, SAID DELAYED SIGNALS BEING APPLIED TO SAID RESET TERMINAL, AND MEANS FOR APPLYING THE OUTPUT SIGNAL OF SAID BISTABLE DEVICE TO THE BEAM INTENSIFICATION MEANS OF SAID CATHODE RAY TUBE.
Claim 2
Dependent Claim
99 words
IN A PLAN POSITION INDICATOR SYSTEM WHEREIN TARGET ECHO SIGNALS ARE REPRESENTED BY INTESIFICATIONS OF A CATHODE RAY TUBE BEAM AND SAID SYSTEM PROVIDES TRIGGERS FOR SYNCHORIZING THE RADIAL SWEEP OF SAID BEAM, MEANS FOR INTENSIFYING SAID BEAM COMPRISING A BISTABLE DEVICE HAVING SET AND RESET TERMINALS, MEANS FOR APPLYING SAID ECHO SIGNALS TO SAID SET TERMINAL, MEANS RESPONSIVE TO SAID TRIGGERS FOR PRODUCING SIGNALS DELAYED WITH RESPECT THERETO, SAID DELAYED SIGNALS BEING APPLIED TO SAID RESET TERMINAL, AND MEANS FOR APPLYING THE OUTPUT SIGNAL OF SAID BISTABLE DEVICE TO THE BEAM INTENSIFICATION MEANS OF SAID CATHODE RAY TUBE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |