Patent US4045290A successfully refreshed from Google Patents.
Patent US3103010A successfully refreshed from Google Patents.
US3103010A
Expired / Lapsed
US
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Pulse doppler simulator
Assignee: Westinghouse Electric Corp
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Filing: 1957-01-31
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Granted: 1963-09-03
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Expires: 1977-01-31
Abstract
No abstract record available.
Inventors
- 👤 Lewis S Heyser
- 👤 William A Skillman
- 👤 Jr David H Mooney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:28
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/40; G01S7/4052; G01S7/4004; G01S7/4021; G01S7/4082; G01S7/4095
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
192 words
PULSE DOPPLER SIMULATOR APPARATUS COMPRISING, IN COMBINATION, ANTENNA MEANS ADAPTED TO TRANSMIT AND RECEIVE PULSES OF RADIANT ENERGY OF RADIO FREQUENCY, AND MEANS OPERATIVELY CONNECTED TO SAID ANTENNA MEANS FOR PRODUCING OTHER PULSES FROM THE PULSES OF ENERGY RECEIVED BY THE ANTENNA MEANS, SAID OTHER PULSES DIFFERING IN RADIO FREQUENCY BY A PRESELECTED VALUE FROM THE RADIO FREQUENCY OF THE RECEIVED PULSES, SAID MEANS FOR PRODUCING OTHER PULSES INCLUDING ELECTRON STREAM TUBE MEANS WITH MEANS THEREIN ENERGIZED BY THE RECEIVED PULSES FOR PE RIODICALLY AT THE RADIO FREQUENCY OF THE RECEIVED PULSES DECELERATING SOME ELECTRONS IN THE STREAM A PREDETERMINED AMOUNT WHILE AT THE SAME INSTANTS ACCELERATING OTHER ELECTRONS IN THE STREAM A PREDETERMINED AMOUNT TO THEREBY PRODUCE AT PREDETERMINED PLACES IN THE STREAM CYCLIC VARIATIONS IN ELECTRON DENSITY, SAID ELECTRON STREAM TUBE MEANS INCLUDING CATHODE MEANS ADAPTED WHEN A VARYING VOLTAGE IS APPLIED THERETO TO ALTER THE AMOUNTS OF DECELERATION AND ACCELERATION, SAWTOOTH VOLTAGE GENERATOR MEANS OPERATIVELY CONNECTED TO SAID CATHODE MEANS, AND ADDITIONAL MEANS IN SAID ELECTRON STREAM TUBE MEANS FOR UTILIZING SAID CYCLIC VARIATIONS IN ELECTRON DENSITY FOR GENERATING SAID OTHER PULSES, SAID ANTENNA MEANS TRANSMITTING SAID OTHER PULSES.
Claim 2
Dependent Claim
192 words
PULSE DOPPLER SIMULATOR APPARATUS COMPRISING, IN COMBINATION, ANTENNA MEANS ADAPTED TO TRANSMIT AND RECEIVE PULSES OF RADIANT ENERGY OF RADIO FREQUENCY, AND MEANS OPERATIVELY CONNECTED TO SAID ANTENNA MEANS FOR PRODUCING OTHER PULSES FROM THE PULSES OF ENERGY RECEIVED BY THE ANTENNA MEANS, SAID OTHER PULSES DIFFERING IN RADIO FREQUENCY BY A PRESELECTED VALUE FROM THE RADIO FREQUENCY OF THE RECEIVED PULSES, SAID MEANS FOR PRODUCING OTHER PULSES INCLUDING ELECTRON STREAM TUBE MEANS WITH MEANS THEREIN ENERGIZED BY THE RECEIVED PULSES FOR PE RIODICALLY AT THE RADIO FREQUENCY OF THE RECEIVED PULSES DECELERATING SOME ELECTRONS IN THE STREAM A PREDETERMINED AMOUNT WHILE AT THE SAME INSTANTS ACCELERATING OTHER ELECTRONS IN THE STREAM A PREDETERMINED AMOUNT TO THEREBY PRODUCE AT PREDETERMINED PLACES IN THE STREAM CYCLIC VARIATIONS IN ELECTRON DENSITY, SAID ELECTRON STREAM TUBE MEANS INCLUDING CATHODE MEANS ADAPTED WHEN A VARYING VOLTAGE IS APPLIED THERETO TO ALTER THE AMOUNTS OF DECELERATION AND ACCELERATION, SAWTOOTH VOLTAGE GENERATOR MEANS OPERATIVELY CONNECTED TO SAID CATHODE MEANS, AND ADDITIONAL MEANS IN SAID ELECTRON STREAM TUBE MEANS FOR UTILIZING SAID CYCLIC VARIATIONS IN ELECTRON DENSITY FOR GENERATING SAID OTHER PULSES, SAID ANTENNA MEANS TRANSMITTING SAID OTHER PULSES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |