US3356947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wave-signal dispersion correcting network
Assignee: Cardion Electronics Inc
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Filing: 1963-12-23
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Granted: 1967-12-05
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Expires: 1983-12-23
Abstract
No abstract record available.
Inventors
- 👤 Toro Michael J Di
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:44
CPC Classifications
H; H04; H04L; H04L25/00; H04L25/02; H04L25/03; H04L25/03006; H04L25/03012; H04L25/03114; H04L25/03146; H03; H03K; H03K5/00; H03K5/01; H03K5/04; H03K5/06; H03K5/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
IN A WAVE-SIGNAL TRANSLATING CHANNEL INCLUDING A LINK SUBJECT TO UNDESIRED NOISE AND TO SIGNAL DISPERSION AND MULTIPATH DISTORTION EFFECTIVE TO CONVERT AN INPUT DELTAFUNCTION SIGNAL INTO A DISPERSED WAVE FORM EXTENDING SUBSTANTIALLY BEYOND THE RESIPROCAL OF TWICE THE BASEBAND WIDTH OF THE LINK, THEREBY GIVING RISE TO INTERSYMBOL INTERFERENCE IN THE OUTPUT SIGNAL THEREOF, AND IN WHICH THE TRANSFER FUNCTION OF THE LINK HAS ONE OR MORE ZEROS IN THE RIGHT-HAND P-PLANE, A CORRECTION NETWORK FOR SUBSTANTIALLY REDUCING SAID NOISE AND INTERSYMBOL INTERFERNCE COMPRISING: (A) AN INPUT CURCUIT FOR SUPPLYING A SIGNAL TRANSLATED BY SAID LINK; (B) AN OUTPUT CIRCUIT; (C) AND A WAVE-SIGNAL CORRECTION TRANSMISSION LINE COUPLING SAID INPUT CIRCUIT AND SAID OUTPUT CIRCUIT HAVING A PREDETERMINED TIME DELAY AND INCLUDING TWO PORTIONS COUPLED IN CASCADE, A FIRST OF SAID PORTIONS HAVING A TRANSFER FUNCTION REPRESENTED BY THE EXPRESSION (1/01) AND THE SECOND OF SAID PORTIONS HAVING A TRANSFER FUNCTION CORRESPONDING TO THAT OF A FILTER MATCHED TO THE IMPULSE RESPONSE OF A NETWORK HAVING A TRANSFER FUNCTION REPRESENTED BY THE EXPRESSION:
Claim 2
Dependent Claim
174 words
IN A WAVE-SIGNAL TRANSLATING CHANNEL INCLUDING A LINK SUBJECT TO UNDESIRED NOISE AND TO SIGNAL DISPERSION AND MULTIPATH DISTORTION EFFECTIVE TO CONVERT AN INPUT DELTAFUNCTION SIGNAL INTO A DISPERSED WAVE FORM EXTENDING SUBSTANTIALLY BEYOND THE RESIPROCAL OF TWICE THE BASEBAND WIDTH OF THE LINK, THEREBY GIVING RISE TO INTERSYMBOL INTERFERENCE IN THE OUTPUT SIGNAL THEREOF, AND IN WHICH THE TRANSFER FUNCTION OF THE LINK HAS ONE OR MORE ZEROS IN THE RIGHT-HAND P-PLANE, A CORRECTION NETWORK FOR SUBSTANTIALLY REDUCING SAID NOISE AND INTERSYMBOL INTERFERNCE COMPRISING: (A) AN INPUT CURCUIT FOR SUPPLYING A SIGNAL TRANSLATED BY SAID LINK; (B) AN OUTPUT CIRCUIT; (C) AND A WAVE-SIGNAL CORRECTION TRANSMISSION LINE COUPLING SAID INPUT CIRCUIT AND SAID OUTPUT CIRCUIT HAVING A PREDETERMINED TIME DELAY AND INCLUDING TWO PORTIONS COUPLED IN CASCADE, A FIRST OF SAID PORTIONS HAVING A TRANSFER FUNCTION REPRESENTED BY THE EXPRESSION (1/01) AND THE SECOND OF SAID PORTIONS HAVING A TRANSFER FUNCTION CORRESPONDING TO THAT OF A FILTER MATCHED TO THE IMPULSE RESPONSE OF A NETWORK HAVING A TRANSFER FUNCTION REPRESENTED BY THE EXPRESSION:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |