Patent US3094694A successfully refreshed from Google Patents.
US3094694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strobe painting display system for radar indicator
Assignee: Calspan Corp
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Filing: 1959-03-12
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Granted: 1963-06-18
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Expires: 1979-03-12
Abstract
No abstract record available.
Inventors
- 👤 John B Beach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:42
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/04; G01S7/06; G01S7/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
IN RADAR APPARATUS, THE COMBINATION COMPRISING A PPI CATHODE RAY TUBE, MEANS FOR DEFLECTING THE ELECTRON BEAM OF SAID TUBE, AND MEANS FOR TIME-SHARING SAID BEAM BETWEEN RADAR SWEEP PRESENTATION AND STROKE PRESENTATION AND ARRANGED TO BEGIN STROBE PRESENTATION DURING DEAD TIME BETWEEN RADAR SWEEP PRESENTATION AND RECURRING AT A SUBSTANTIALLY CONSTANT FREQUENCY, SAID TIME-SHARING MEANS INCLUDING TIMING MEANS OPERATIVELY ARRANGED TO GENERATE SEQUENTIALLY N PULSES, N STROBE GENERATING MEANS SEVERALLY ACTIVATED BY SAID PULSES AND SWITCHING MEANS ARRANGED TO CONNECT THE OUTPUTS OF SAID STROKE GENERATING MEANS TO SAID BEAM DEFLECTION MEANS, AT LEAST ONE OF SAID N STROBE GENERATING MEANS BEING ARRANGED TO GENERATE AN ELECTRONIC STROBE REPRESENTING A VECTOR ON SAID INDICATOR AND COMPRISING MULTIVIBRATOR MEANS ACTIVATED BY ONE OF SAID N PULSES AND ARRANGED TO PRODUCE A DELAY TIME DETERMINED BY THE MAGNITUDE OF A VOLTAGE INPUT, MEANS FOR GENERATING A LINEAR SWEEP VOLTAGE FOLLOWING THE DELAY PRODUCED BY
Claim 2
Dependent Claim
153 words
IN RADAR APPARATUS, THE COMBINATION COMPRISING A PPI CATHODE RAY TUBE, MEANS FOR DEFLECTING THE ELECTRON BEAM OF SAID TUBE, AND MEANS FOR TIME-SHARING SAID BEAM BETWEEN RADAR SWEEP PRESENTATION AND STROKE PRESENTATION AND ARRANGED TO BEGIN STROBE PRESENTATION DURING DEAD TIME BETWEEN RADAR SWEEP PRESENTATION AND RECURRING AT A SUBSTANTIALLY CONSTANT FREQUENCY, SAID TIME-SHARING MEANS INCLUDING TIMING MEANS OPERATIVELY ARRANGED TO GENERATE SEQUENTIALLY N PULSES, N STROBE GENERATING MEANS SEVERALLY ACTIVATED BY SAID PULSES AND SWITCHING MEANS ARRANGED TO CONNECT THE OUTPUTS OF SAID STROKE GENERATING MEANS TO SAID BEAM DEFLECTION MEANS, AT LEAST ONE OF SAID N STROBE GENERATING MEANS BEING ARRANGED TO GENERATE AN ELECTRONIC STROBE REPRESENTING A VECTOR ON SAID INDICATOR AND COMPRISING MULTIVIBRATOR MEANS ACTIVATED BY ONE OF SAID N PULSES AND ARRANGED TO PRODUCE A DELAY TIME DETERMINED BY THE MAGNITUDE OF A VOLTAGE INPUT, MEANS FOR GENERATING A LINEAR SWEEP VOLTAGE FOLLOWING THE DELAY PRODUCED BY
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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) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |