US3270342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulsed local oscillator
Assignee: Hazeltine Research Inc
•
Filing: 1964-12-15
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Granted: 1966-08-30
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Expires: 1984-12-15
Abstract
No abstract record available.
Inventors
- 👤 Clarence P Stemmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:54
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
IN RADAR EQUIPMENT WHEREIN THE AVAILABLE POWER IS LIMITED AND WHEREIN PULSES PERIODICALLY PROPAGATED TOWARD POSSIBLE TARGETS ARE SPACED BY TIME INTERVALS SUFFICIENTLY LONG TO PERMIT RECEPTION OF A REFLECTED PULSE FROM A TARGET BEFORE PROPAGATION OF THE NEXT PULSE, A LOCAL OSCILLATOR CIRCUIT COMPRISING: A LOCAL OSCILLATOR; AND MEANS FOR SUPPLYING POWER TO SAID OSCILLATOR FOR CAUSING IT TO DRAW POWER AND OSCILLATE ONLY DURING TIME PERIODS SHORTER THAN, BUT WITHIN SAID TIME INTERVALS, EACH TIME PERIOD BEING SUBSTANTIALLY LONGER THAN THE DURATION OF EACH PULSE PROPAGATED FOR PERMITTING THE PROCESSING OF REFLECTED PULSES FROM TARGETS WITHIN AN APRECIABLE RANGE OF DISTANCES FROM THE RADAR EQUIPMENT; WHEREBY THE AMOUNT OF POWER CONSUMED BY THE LOCAL OSCILLATOR IS REDUCED COMPARED TO THE POWER WHICH WOULD BE CONSUMED IF THE OSCILLATOR WERE PERMITTED TO DRAW POWER OR OSCILLATE FOR THE FULL DURATION OF SAID TIME INTERVALS.
Claim 2
Dependent Claim
145 words
IN RADAR EQUIPMENT WHEREIN THE AVAILABLE POWER IS LIMITED AND WHEREIN PULSES PERIODICALLY PROPAGATED TOWARD POSSIBLE TARGETS ARE SPACED BY TIME INTERVALS SUFFICIENTLY LONG TO PERMIT RECEPTION OF A REFLECTED PULSE FROM A TARGET BEFORE PROPAGATION OF THE NEXT PULSE, A LOCAL OSCILLATOR CIRCUIT COMPRISING: A LOCAL OSCILLATOR; AND MEANS FOR SUPPLYING POWER TO SAID OSCILLATOR FOR CAUSING IT TO DRAW POWER AND OSCILLATE ONLY DURING TIME PERIODS SHORTER THAN, BUT WITHIN SAID TIME INTERVALS, EACH TIME PERIOD BEING SUBSTANTIALLY LONGER THAN THE DURATION OF EACH PULSE PROPAGATED FOR PERMITTING THE PROCESSING OF REFLECTED PULSES FROM TARGETS WITHIN AN APRECIABLE RANGE OF DISTANCES FROM THE RADAR EQUIPMENT; WHEREBY THE AMOUNT OF POWER CONSUMED BY THE LOCAL OSCILLATOR IS REDUCED COMPARED TO THE POWER WHICH WOULD BE CONSUMED IF THE OSCILLATOR WERE PERMITTED TO DRAW POWER OR OSCILLATE FOR THE FULL DURATION OF SAID TIME INTERVALS.
References Cited (Backward Citations)
US3005980A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |