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US3098227A
Expired / Lapsed
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Constant closing velocity radar target simulator
Assignee: Individual
•
Filing: 1961-09-07
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Granted: 1963-07-16
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Expires: 1981-09-07
Abstract
No abstract record available.
Inventors
- 👤 William L Letsch
- 👤 Vincent P Pusateri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:43
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/40; G01S7/4004; G01S7/4021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
A RADAR TARGET SIMULATOR COMPRISING: AN INTEGRATING OPERATIONAL AMPLIFIER HAVING A FIRST INPUT MEANS FOR RECEIVING AN INPUT SIGNAL COMPOSED OF A TRIANGULAR VOLTAGE WAVEFORM, AND A FIRST OUTPUT MEANS FOR PROVIDING AN INTEGRATED AND AMPLIFIED OUTPUT SIGNAL TO SUBSEQUENT CIRCUITRY; RADIO FREQUENCY AMPLIFYING MEANS HAVING A FIRST INPUT MEANS FOR RECEIVING RADIO FREQUENCY ENERGY TO BE AMPLIFIED AND MODULATED, HAVING A SECOND INPUT MEANS FOR RECEIVING A MODULATING SIGNAL COUPLED TO SAID FIRST OUTPUT MEANS OF SAID INTEGRATING OPERATIONAL AMPLIFIER, AND HAVING OUTPUT TERMINAL MEANS FOR PROVIDING MODULATED AND AMPLIFIED RADIO FREQUENCY ENERGY TO A TRANSMITTING ANTENNA SYSTEM; A SIGNAL GENERATING MEANS COUPLED TO SAID FIRST INPUT MEANS FOR SAID RADIO FREQUENCY AMPLIFYING MEANS FOR SUPPLYING PULSED RADIO FREQUENCY ENERGY THERETO; AND TRNASMITTING ANTENNA MEANS COUPLED TO SAID OUTPUT TERMINAL MEANS OF SAID RADIO FREQUENCY AMPLIFYING MEANS FOR RADIATING SAID MODULATED AND AMPLIFIED RADIO FREQUENCY ENERGY TO RADAR EQUIPMENT TO BE TESTED.
Claim 2
Dependent Claim
153 words
A RADAR TARGET SIMULATOR COMPRISING: AN INTEGRATING OPERATIONAL AMPLIFIER HAVING A FIRST INPUT MEANS FOR RECEIVING AN INPUT SIGNAL COMPOSED OF A TRIANGULAR VOLTAGE WAVEFORM, AND A FIRST OUTPUT MEANS FOR PROVIDING AN INTEGRATED AND AMPLIFIED OUTPUT SIGNAL TO SUBSEQUENT CIRCUITRY; RADIO FREQUENCY AMPLIFYING MEANS HAVING A FIRST INPUT MEANS FOR RECEIVING RADIO FREQUENCY ENERGY TO BE AMPLIFIED AND MODULATED, HAVING A SECOND INPUT MEANS FOR RECEIVING A MODULATING SIGNAL COUPLED TO SAID FIRST OUTPUT MEANS OF SAID INTEGRATING OPERATIONAL AMPLIFIER, AND HAVING OUTPUT TERMINAL MEANS FOR PROVIDING MODULATED AND AMPLIFIED RADIO FREQUENCY ENERGY TO A TRANSMITTING ANTENNA SYSTEM; A SIGNAL GENERATING MEANS COUPLED TO SAID FIRST INPUT MEANS FOR SAID RADIO FREQUENCY AMPLIFYING MEANS FOR SUPPLYING PULSED RADIO FREQUENCY ENERGY THERETO; AND TRNASMITTING ANTENNA MEANS COUPLED TO SAID OUTPUT TERMINAL MEANS OF SAID RADIO FREQUENCY AMPLIFYING MEANS FOR RADIATING SAID MODULATED AND AMPLIFIED RADIO FREQUENCY ENERGY TO RADAR EQUIPMENT TO BE TESTED.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |