US3343159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radar plan-position indicator systems
Assignee: Thales Nederland BV
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Filing: 1965-10-27
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Granted: 1967-09-19
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Expires: 1985-10-27
Abstract
No abstract record available.
Inventors
- 👤 Adrianus Van Breugel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:38
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/28; G01S7/285; G01S7/295; G01S7/298; G01S1/00; G01S1/02; G01S7/04; G01S7/06; G01S7/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A RADAR PLAN-POSITION INDICATING SYSTEM OF THE TYPE HAVING AN INDICATING DEVICE WITH ORTHOGONAL DEFLECTION MEANS, A SOURCE OF DIGITAL AZIMUTH SIGNALS RELATED TO THE AZIMUTH OF RECEIVED SIGNALS, AND A SOURCE OF DIGITAL MARKER SIGNALS, WHEREIN THE IMPROVEMENT COMPRISES DIGITAL TO ANALOG CONVERTING MEANS, DIGITAL SWITCH MEANS FOR SELECTIVELY APPLYING SAID AZIMUTH SIGNALS AND MARKER SIGNALS TO SAID CONVERTING MEANS, PARALLEL CONNECTED FIRST AND SECOND AMPLIFIERS, MEANS FOR APPLYING THE OUTPUT OF SAID CONVERTING MEANS TO THE INPUTS OF SAID FIRST AND SECOND AMPLIFIERS, MEANS APPLYING THE OUTPUTS OF SAID FIRST AND SECOND AMPLIFIERS TO SAID DEFLECTION MEANS, SAID FIRST AMPLIFIER BEING AN INTEGRATING AMPLIFIER HAVING CAPACITOR MEANS CONNECTED BETWEEN ITS INPUT AND OUTPUT, SAID SECOND AMPLIFIER BEING A LINEAR AMPLIFIER HAVING RESISTOR
Claim 2
Dependent Claim
124 words
A RADAR PLAN-POSITION INDICATING SYSTEM OF THE TYPE HAVING AN INDICATING DEVICE WITH ORTHOGONAL DEFLECTION MEANS, A SOURCE OF DIGITAL AZIMUTH SIGNALS RELATED TO THE AZIMUTH OF RECEIVED SIGNALS, AND A SOURCE OF DIGITAL MARKER SIGNALS, WHEREIN THE IMPROVEMENT COMPRISES DIGITAL TO ANALOG CONVERTING MEANS, DIGITAL SWITCH MEANS FOR SELECTIVELY APPLYING SAID AZIMUTH SIGNALS AND MARKER SIGNALS TO SAID CONVERTING MEANS, PARALLEL CONNECTED FIRST AND SECOND AMPLIFIERS, MEANS FOR APPLYING THE OUTPUT OF SAID CONVERTING MEANS TO THE INPUTS OF SAID FIRST AND SECOND AMPLIFIERS, MEANS APPLYING THE OUTPUTS OF SAID FIRST AND SECOND AMPLIFIERS TO SAID DEFLECTION MEANS, SAID FIRST AMPLIFIER BEING AN INTEGRATING AMPLIFIER HAVING CAPACITOR MEANS CONNECTED BETWEEN ITS INPUT AND OUTPUT, SAID SECOND AMPLIFIER BEING A LINEAR AMPLIFIER HAVING RESISTOR
References Cited (Backward Citations)
US3134974A
Cited
US3159830A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |