US3214699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-adapting filter for waveforms similar in shape
Assignee: General Electric Co
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Filing: 1963-08-14
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Granted: 1965-10-26
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Expires: 1983-08-14
Abstract
No abstract record available.
Inventors
- 👤 Charles V Jakowatz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:28
CPC Classifications
H; H03; H03H; H03H21/00; H03H21/0001; G; G06; G06V; G06V10/00; G06V10/70; G06V10/74; G06V10/75; G06V10/751; G06V10/7515
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
AN APPARATUS FOR SIGNAL RECOGNITION COMPRISING ELECTRICAL INPUT MEANS, MEANS FOR STORING A REFERENCE SIGNAL, MEANS FOR COMPARING AN ELECTRICAL INPUT SIGNAL WITH SAID REFERENCE SIGNAL TO PRODUCE A VOLTAGE INDICATIVE OF THE CORRELATION THEREBETWEEN AND COMBINING WITH SAID REFERENCE SIGNAL QUANTITIES PROPORTIONED TO THE ELECTRICAL INPUT SIGNAL WHICH COMPARES FAVORABLY WITH SAID REFERENCE SIGNAL, AND MEANS FOR EXPANDING THE RELATIVE TIME SCALE OF ONE OF THE SIGNALS COMPARED WHEREBY COMPRESSED AND EXPANDED VERSIONS OF UNKNOWN INTELLIGENCE CONTAINED IN SAID ELECTRICAL INPUT SIGNAL ARE CAPABLE OF COMPARING FAVORABLY WITH SAID REFERENCE SIGNAL.
Claim 2
Independent Claim
92 words
AN APPARATUS FOR SIGNAL RECOGNITION COMPRISING ELECTRICAL INPUT MEANS, MEANS FOR STORING A REFERENCE SIGNAL, MEANS FOR COMPARING AN ELECTRICAL INPUT SIGNAL WITH SAID REFERENCE SIGNAL TO PRODUCE A VOLTAGE INDICATIVE OF THE CORRELATION THEREBETWEEN AND COMBINING WITH SAID REFERENCE SIGNAL QUANTITIES PROPORTIONED TO THE ELECTRICAL INPUT SIGNAL WHICH COMPARES FAVORABLY WITH SAID REFERENCE SIGNAL, AND MEANS FOR EXPANDING THE RELATIVE TIME SCALE OF ONE OF THE SIGNALS COMPARED WHEREBY COMPRESSED AND EXPANDED VERSIONS OF UNKNOWN INTELLIGENCE CONTAINED IN SAID ELECTRICAL INPUT SIGNAL ARE CAPABLE OF COMPARING FAVORABLY WITH SAID REFERENCE SIGNAL.
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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |