US3200398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Three dimensional indicator
Assignee: Unisys Corp
•
Filing: 1948-12-16
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Granted: 1965-08-10
•
Expires: 1968-12-16
Abstract
No abstract record available.
Inventors
- 👤 Marcus K Witt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:12
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/04; G01S7/06; G01S7/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
IN A RADAR DATA PRESENTATION SYSTEM, A RADAR ANTENNA, MEANS TO PRESENT AZIMUTH, ELEVATION, AND RANGE INFORMATION ON A TWO-DIMENSIONAL INDICATOR, COMPRISING A CATHODE RAY TUBE HAVING TWO INDEPENDENT ELECTRON BEAMS, MEANS TO APPLY OPEN-CENTER RANGE-AZIMUTH RADIAL DEFLECTION VOLTAGES TO AT LEAST ONE OS SAID ELECTRON BEAMS INCLUDING A GATE VOLTAGE GENERATOR TO PROVIDE SAID OPEN CENTER, AND MEANS TO APPLY ELEVATION-AZIMUTH RADIAL DEFLECTION VOLTAGES TO SAID OTHER ELECTRON BEAM INCLUDING SYNCHRO GENERATOR MEANS CONNECTED TO SAID RADAR ANTENNA TO CORRELATE SAID TWO DEFLECTION VOLTAGES IN AZIMUTH BEAM WHEREBY TWO RELATED CONCENTRIC PRESENTATIONS SUPPLYING AT LEAST THREE DIMENSIONS ARE OBTAINED.
Claim 2
Dependent Claim
100 words
IN A RADAR DATA PRESENTATION SYSTEM, A RADAR ANTENNA, MEANS TO PRESENT AZIMUTH, ELEVATION, AND RANGE INFORMATION ON A TWO-DIMENSIONAL INDICATOR, COMPRISING A CATHODE RAY TUBE HAVING TWO INDEPENDENT ELECTRON BEAMS, MEANS TO APPLY OPEN-CENTER RANGE-AZIMUTH RADIAL DEFLECTION VOLTAGES TO AT LEAST ONE OS SAID ELECTRON BEAMS INCLUDING A GATE VOLTAGE GENERATOR TO PROVIDE SAID OPEN CENTER, AND MEANS TO APPLY ELEVATION-AZIMUTH RADIAL DEFLECTION VOLTAGES TO SAID OTHER ELECTRON BEAM INCLUDING SYNCHRO GENERATOR MEANS CONNECTED TO SAID RADAR ANTENNA TO CORRELATE SAID TWO DEFLECTION VOLTAGES IN AZIMUTH BEAM WHEREBY TWO RELATED CONCENTRIC PRESENTATIONS SUPPLYING AT LEAST THREE DIMENSIONS ARE OBTAINED.
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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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |