Patent US3246285A successfully refreshed from Google Patents.
US3246285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for signalinformation detection
Assignee: RTX BBN Technologies Corp
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Filing: 1963-04-24
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Granted: 1966-04-12
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Expires: 1983-04-24
Abstract
No abstract record available.
Inventors
- 👤 Karl D Kryter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:34
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
APPARATUS FOR DETECTING SIGNAL INFORMATION COMPRISING A FREQUENCY OR BAND OF FREQUENCIES OCCURRING OVER A TIME INTERVAL AND OTHERWISE NOT READILY INDENTIFIABLE, HAVING, IN COMBINATION, MEANS FOR RECEIVING THE SIGNAL INFORMATION, MEANS FOR RECEIVING THE SIGNAL INFORMATION, MEANS FOR GENERATING A FIRST CARRIER FREQUENCY REMOTE FROM THE SIGNAL INFORMATION FREQUENCY OR FREQUENCIES, A MODULATOR CONNECTED TO THE RECEIVING AND GENERATING MEANS FOR MODULATING THE CARRIER WITH SIDE-BANDS REPRESENTATIVE OF THE SIGNAL INFORMATION, MEANS CONNECTED WITH THE MODULATOR FOR SELECTING A DESIRED SIDE-BAND, MEANS FOR GENERATING A SECOND CARRIER FREQUENCY DIFFERING FROM THE FIRST CARRIER FREQUENCY BY A READILY DETECTABLE FREQUENCY, DEMODULATOR MEANS CONNECTED TO THE SELECTING MEANS AND THE SECOND CARRIER-FREQUENCY-GENERATING MEANS TO PRODUCE, WHEN THE SIGNAL INFORMATION IS RECEIVED, DEMODULATED SIDEBANDS ONE OF WHICH COMPRISES AT LEAST A COMPONENT OF THE SIGNAL INFORMATION FREQUENCY OR FREQUENCIES TRANSPOSED TO A FREQUENCY REGION NEAR THE SAID READILY DETECTABLE FREQUENCY, MEANS FOR SELECTING THE SAID ONE DEMODULATED SIDE-BAND, AND MEANS FOR ARTIFICIALLY CHANGING THE EFFECTIVE TIME INTERVAL FROM THE SAID TIME INTERVAL OVER WHICH THE SAID SIGNAL INFORNATION IS ACTUALLY RECEIVED AND FOR SIMULATANEOUSLY CHANGING THE ACTUAL VALUES OF THE SIGNAL INFORMATION FREQUENCY OR FREQUENCIES AS APPLIED TO THE SAID MODULATOR.
Claim 2
Dependent Claim
199 words
APPARATUS FOR DETECTING SIGNAL INFORMATION COMPRISING A FREQUENCY OR BAND OF FREQUENCIES OCCURRING OVER A TIME INTERVAL AND OTHERWISE NOT READILY INDENTIFIABLE, HAVING, IN COMBINATION, MEANS FOR RECEIVING THE SIGNAL INFORMATION, MEANS FOR RECEIVING THE SIGNAL INFORMATION, MEANS FOR GENERATING A FIRST CARRIER FREQUENCY REMOTE FROM THE SIGNAL INFORMATION FREQUENCY OR FREQUENCIES, A MODULATOR CONNECTED TO THE RECEIVING AND GENERATING MEANS FOR MODULATING THE CARRIER WITH SIDE-BANDS REPRESENTATIVE OF THE SIGNAL INFORMATION, MEANS CONNECTED WITH THE MODULATOR FOR SELECTING A DESIRED SIDE-BAND, MEANS FOR GENERATING A SECOND CARRIER FREQUENCY DIFFERING FROM THE FIRST CARRIER FREQUENCY BY A READILY DETECTABLE FREQUENCY, DEMODULATOR MEANS CONNECTED TO THE SELECTING MEANS AND THE SECOND CARRIER-FREQUENCY-GENERATING MEANS TO PRODUCE, WHEN THE SIGNAL INFORMATION IS RECEIVED, DEMODULATED SIDEBANDS ONE OF WHICH COMPRISES AT LEAST A COMPONENT OF THE SIGNAL INFORMATION FREQUENCY OR FREQUENCIES TRANSPOSED TO A FREQUENCY REGION NEAR THE SAID READILY DETECTABLE FREQUENCY, MEANS FOR SELECTING THE SAID ONE DEMODULATED SIDE-BAND, AND MEANS FOR ARTIFICIALLY CHANGING THE EFFECTIVE TIME INTERVAL FROM THE SAID TIME INTERVAL OVER WHICH THE SAID SIGNAL INFORNATION IS ACTUALLY RECEIVED AND FOR SIMULATANEOUSLY CHANGING THE ACTUAL VALUES OF THE SIGNAL INFORMATION FREQUENCY OR FREQUENCIES AS APPLIED TO THE SAID MODULATOR.
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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |