US3177431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Predistorting modulating circuit for pulse generator
Assignee: Unisys Corp
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Filing: 1962-07-03
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Granted: 1965-04-06
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Expires: 1982-07-03
Abstract
No abstract record available.
Inventors
- 👤 James R Ashley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:09
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/80; H03K3/78; H03K5/00; H03K5/01
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
95 words
A MODULATING SYSTEM FOR USE WITH A NONLINEAR TRANSFER DEVICE COMPRISING, MEANS FOR PRODUCING A FIRST SIGNAL, SAID FIRST SIGNAL INCLUDING FREQUENCY COMPONENTS WHOSE SUM COMPRISES A SECOND SIGNAL THAT IS DIFFERENT FROM SAID FIRST SIGNAL, MEANS FOR EXTRACTING SAID FREQUENCY COMPONENTS FROM SAID FIRST SIGNAL THEREBY TO PRODUCE SAID SECOND SIGNAL, A PLURALITY OF SIGNAL RESPONSIVE DEVICES COUPLED TO RECEIVE SAID SECOND SIGNAL AND OPERABLE AT RESPECTIVE DIFFERENT AMPLITUDES OF SAID SECOND SIGNAL TO PRODUCE RESPECTIVE OUTPUT SIGNALS IN RESPONSE TO THE PORTION OF SAID SECOND SIGNAL THAT EXCEEDS THE RESPECTIVE DIFFERENT AMPLITUDES, AND
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) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |