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Patent US3217271A successfully refreshed from Google Patents.
US3217271A
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Variable sweep generation amplitude control
Assignee: RTX Corp
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Filing: 1962-12-20
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Granted: 1965-11-09
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Expires: 1982-12-20
Abstract
No abstract record available.
Inventors
- 👤 Autorino Anthony Dominic
- 👤 Arthur A Klebba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:16
CPC Classifications
H; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/86
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A VARIABLE FREQUENCY SWEEP VOLTAGE GENERATOR COMPRISING: MEANS INCLUDING A SOURCE OF CURRENT FOR GENERATING A VARIABLE FREQUENCY VOLTAGE HAVING A DESIRED WAVE FORM, MEANS FOR COMPARING THE MAGNITUDE OF THE GENERATED VOLTAGE WITH REFERENCE VOLTAGE TO PRODUCE AN ERROR SIGNAL, MEANS FOR INTEGRATING THE ERROR SIGNAL PRODUCED BY SAID COMPARING MEANS, A SOURCE OF ALTERNATING VOLTAGE, MEANS FOR MODULATING THE ALTERNATING VOLTAGE FROM SAID SOURCE WITH THE INTEGRATED ERROR SIGNAL PROVIDE BY SAID INTEGRATING MEANS, MEANS RESPONSIVE TO SAID MODULATED ALTERNATING VOLTAGE FOR GENERATING A CONTROL SIGNAL, AND MEANS RESPONSIVE TO SAID CONTROL SIGNAL FOR VARYING A RATE OF CHANGE OF THE VOLTAGE GENERATED BY SAID VARIABLOE FREQUENCY VOLTAGE GENERATING MEANS.
Claim 2
Dependent Claim
112 words
A VARIABLE FREQUENCY SWEEP VOLTAGE GENERATOR COMPRISING: MEANS INCLUDING A SOURCE OF CURRENT FOR GENERATING A VARIABLE FREQUENCY VOLTAGE HAVING A DESIRED WAVE FORM, MEANS FOR COMPARING THE MAGNITUDE OF THE GENERATED VOLTAGE WITH REFERENCE VOLTAGE TO PRODUCE AN ERROR SIGNAL, MEANS FOR INTEGRATING THE ERROR SIGNAL PRODUCED BY SAID COMPARING MEANS, A SOURCE OF ALTERNATING VOLTAGE, MEANS FOR MODULATING THE ALTERNATING VOLTAGE FROM SAID SOURCE WITH THE INTEGRATED ERROR SIGNAL PROVIDE BY SAID INTEGRATING MEANS, MEANS RESPONSIVE TO SAID MODULATED ALTERNATING VOLTAGE FOR GENERATING A CONTROL SIGNAL, AND MEANS RESPONSIVE TO SAID CONTROL SIGNAL FOR VARYING A RATE OF CHANGE OF THE VOLTAGE GENERATED BY SAID VARIABLOE FREQUENCY VOLTAGE GENERATING MEANS.
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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |