US3176291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Side lobe suppression network
Assignee: Collins Radio Co
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Filing: 1961-03-02
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Granted: 1965-03-30
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Expires: 1981-03-02
Abstract
No abstract record available.
Inventors
- 👤 John B Majerus
- 👤 Norton S Most
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:52
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/74; G01S13/76; G01S13/762
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
197 words
IN A TRANSPONDER ADAPTED TO RECEIVE A CODED SIGNAL HAVING A PAIR OF SPACED TRIGGER PULSES FROM A DIRECTIONAL ANTENNA AND A CONTROL PULSE FROM A NONDIRECTIONAL ANTENNA WITH THE CONTROL PULSE CLOSELY FOLLOWING THE FIRST TRIGGER PULSE AND PRECEDING THE SECOND TRIGGER PULSE, A SIDE LOBE SUPPRESSION NETWORK FOR ASSURING THAT SAID TRANSPONDER WILL NOT BE TRIGGERED BY A SIDE LOBE PULSE FROM SAID DIRECTIONAL ANTENNA, SAID SIDE LOBE SUPPRESSION NETWORK COMPRISING: AMPLIFYING THE MEANS OF RECEIVING SAID CODED SIGNAL; REPRESSING MEANS CONNECTED TO SAID AMPLIFYING MEANS TO RECEIVE THE OUTPUT THEREFROM, SAID REPRESSING MEANS PREVENTING SAID CONTROL PULSE FROM ATTAINING A PREDETRMINED MINIMUM MAGNITUDE IF SAID FIRST TRIGGER PULSE ORIGINATED FROM THE MAIN LOBE OF A DIRECTIONAL ANTENNA; FIRST AND SECOND COINCIDENCE MEANS; SAID SECOND COINCIDENCE MEANS CONNECTED TO SAID REPRESSING MEANS TO RECEIVE THE OUTPUT THEREFROM; A DELAY LINE RECEIVING THE OUTPUT FROM SAID REPRESSING MEANS; MEANS FOR COUPLING FIRST OUTPUT SIGNAL FROM SAID DELAY LINE TO SAID SECOND COINCIDENCE MEANS, SAID FIRST OUTPUT SIGNAL BEING DELAYED WITH RESECT TO THE INPUT SIGNAL TO SAID DELAY LINE BY A TIME INTERVAL EQUAL TO THE TIME INTERVAL BETWEEN SAID FIRST AND SECOND TRIGGER PULSES; SAID
References Cited (Backward Citations)
US3007156A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |