US3138797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Test apparatus for radar doppler navigators
Assignee: Republic Aviation Corp
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Filing: 1961-07-03
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Granted: 1964-06-23
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Expires: 1981-07-03
Abstract
No abstract record available.
Inventors
- 👤 Alfred A Steinberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:27
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/40; G01S7/4052; G01S7/4082; G01S7/4086; G01S7/4095; G01S13/00; G01S13/02; G01S13/50; G01S13/58; G01S13/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A TEST APPARATUS FOR THE RADAR DOPPLER NAVIGATOR OF A VEHICLE INCLUDING AT LEAST ONE PULSED MICROWAVE SIGNAL-TRANSMITTING AND -RECEIVING MEANS TO PRODUCE A DOPPLER EFFECT DURING MOVEMENT OF THE VEHICLE AND A COMPUTER OPERATIVELY CONNECTED TO SADI MEANS TO INTEGRATE, COORDINATE AND TRANSLATE THE DOPPLER EFFECT THUS PRODUCED INTO OPERATIONAL DATA, COMPRISING AN ELECTRONIC SYSTEM TO SIMULATE SAID DOPPLER EFFECT WHEN SAID VEHICLE IS AT REST, SAID SYSTEM INCLUDING AN ANTENNA ADAPTED TO BE LOCATED ADJACENT SAID SIGNAL-TRANSMITTING AND -RECEIVING MEANS TO RECEIVE PULSED MICROWAVE SIGNALS THEREFROM, MEANS
Claim 2
Dependent Claim
89 words
A TEST APPARATUS FOR THE RADAR DOPPLER NAVIGATOR OF A VEHICLE INCLUDING AT LEAST ONE PULSED MICROWAVE SIGNAL-TRANSMITTING AND -RECEIVING MEANS TO PRODUCE A DOPPLER EFFECT DURING MOVEMENT OF THE VEHICLE AND A COMPUTER OPERATIVELY CONNECTED TO SADI MEANS TO INTEGRATE, COORDINATE AND TRANSLATE THE DOPPLER EFFECT THUS PRODUCED INTO OPERATIONAL DATA, COMPRISING AN ELECTRONIC SYSTEM TO SIMULATE SAID DOPPLER EFFECT WHEN SAID VEHICLE IS AT REST, SAID SYSTEM INCLUDING AN ANTENNA ADAPTED TO BE LOCATED ADJACENT SAID SIGNAL-TRANSMITTING AND -RECEIVING MEANS TO RECEIVE PULSED MICROWAVE SIGNALS THEREFROM, MEANS
References Cited (Backward Citations)
US2505525A
Cited
US2510299A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |