US3174031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal weighting system
Assignee: General Electric Co
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Filing: 1960-10-06
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Granted: 1965-03-16
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Expires: 1980-10-06
Abstract
No abstract record available.
Inventors
- 👤 Hartmanis Juris
- 👤 Ii Philip M Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:47
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/35; G01S7/352; G06; G06F; G06F17/00; G06F17/10; G06F17/18; G06G; G06G7/00; G06G7/12; G06G7/14; G06G7/19; G06G7/1928; H; H03; H03D; H03D1/00; H03H; H03H15/00; H03H17/00; H03H17/02; H03H21/00; H03H21/0001; H03K; H03K17/00; H03K17/51; H03K17/74; H03K5/00; H03K5/01; H03K5/04; H03K5/06; H03K5/065; H04; H04B; H04B14/00; H04B14/002; H04B7/00; H04B7/005; H04L; H04L1/00; H04L1/004
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
AN ADAPTIVE FILTER FOR RECOGNIZING A CLASS OF SIGNALS CONTAINED IN AN INPUT COMPRISING SAMPLING MEANS FOR SAMPLING VOLTAGES INDICATIVE OF SAID INPUT, STORAGE MEANS FOR STORING VOLTAGES INDICATIVE OF SAID SIGNALS, FIRST MULTIPLYING MEANS FOR PRODUCING AN OUTPUT INDICATIVE OF THE CORRELATION BETWEEN THE VOLTAGES IN SAID STORAGE MEANS AND THE VOLTAGES IN SAID SAMPLING MEANS, MEANS PRODUCING A WEIGHTING FACTOR INDICATIVE OF THE VARIANCE OF EACH RECOGNIZED SIGNAL WITH RESPECT TO THE CLASS OF SIGNALS PREVIOUSLY RECOGNIZED, A SECOND MULTIPLYING MEANS FOR MULTIPLYING THE OUTPUT OF SAID FIRST MULTIPLYING MEANS BY SAID WEIGHTING FACTOR, A THRESHOLD DETECTOR, THE OUTPUT OF SAID SECOND MULTIPLYING MEANS BEING CONNECTED TO ENERGIZE SAID THRESHOLD DETECTOR, SAID THRESHOLD DETECTOR PRODUCING AN OUTPUT ONLY WHEN THE OUTPUT OF SAID SECOND MULTIPLYING MEANS EXCEEDS A PREDETERMINED FRACTION OF THE PREVIOUS MAXIMUM OUTPUT OF SAID SECOND MULTIPLYING MEANS, AND MEANS FOR CONNECTING SAID SAMPLING MEANS TO SAID STORAGE MEANS IN RESPONSE TO AN OUTPUT OF SAID THRESHOLD DETECTOR.
Claim 2
Dependent Claim
162 words
AN ADAPTIVE FILTER FOR RECOGNIZING A CLASS OF SIGNALS CONTAINED IN AN INPUT COMPRISING SAMPLING MEANS FOR SAMPLING VOLTAGES INDICATIVE OF SAID INPUT, STORAGE MEANS FOR STORING VOLTAGES INDICATIVE OF SAID SIGNALS, FIRST MULTIPLYING MEANS FOR PRODUCING AN OUTPUT INDICATIVE OF THE CORRELATION BETWEEN THE VOLTAGES IN SAID STORAGE MEANS AND THE VOLTAGES IN SAID SAMPLING MEANS, MEANS PRODUCING A WEIGHTING FACTOR INDICATIVE OF THE VARIANCE OF EACH RECOGNIZED SIGNAL WITH RESPECT TO THE CLASS OF SIGNALS PREVIOUSLY RECOGNIZED, A SECOND MULTIPLYING MEANS FOR MULTIPLYING THE OUTPUT OF SAID FIRST MULTIPLYING MEANS BY SAID WEIGHTING FACTOR, A THRESHOLD DETECTOR, THE OUTPUT OF SAID SECOND MULTIPLYING MEANS BEING CONNECTED TO ENERGIZE SAID THRESHOLD DETECTOR, SAID THRESHOLD DETECTOR PRODUCING AN OUTPUT ONLY WHEN THE OUTPUT OF SAID SECOND MULTIPLYING MEANS EXCEEDS A PREDETERMINED FRACTION OF THE PREVIOUS MAXIMUM OUTPUT OF SAID SECOND MULTIPLYING MEANS, AND MEANS FOR CONNECTING SAID SAMPLING MEANS TO SAID STORAGE MEANS IN RESPONSE TO AN OUTPUT OF SAID THRESHOLD DETECTOR.
References Cited (Backward Citations)
US2897476A
Cited
US3022005A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |