Patent US3205458A successfully refreshed from Google Patents.
US3205458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semi-conductor modulator circuit
Assignee: Dresser Sie Inc
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Filing: 1962-07-25
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Granted: 1965-09-07
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Expires: 1982-07-25
Abstract
No abstract record available.
Inventors
- 👤 Paul W Geery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:52
CPC Classifications
H; H03; H03C; H03C1/00; H03C1/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
IN A MODULATOR CIRCUIT, THE COMBINATION OF FIRST AND SECOND SEMI-CONDUCTIVE MEANS, EACH HAVING AT LEAST FIRST, SECOND, AND BASE ELEMENTS; THE FIRST SAID ELEMENTS OF SAID FIRST AND SECOND SEMICONDUCTIVE MEANS BEING CONNECTED TOGETHER; A PAIR OF INPUT TERMINALS CONNECTED RESPECTIVELY TO SAID SECOND ELEMENTS OF SAID FIRST AND SECOND SEMICONDUCTIVE MEANS; A SOURCE OF CARRIER POTENTIAL CONNECTED ACROSS SAIDD INPUT TERMINALS; A PAIR OF OUTPUT TERMINALS CONNECTED RESPECTIVELY TO THE CONNECTION JOINING SAID FIRST ELEMENTS, AND TO SAID SECOND ELEMENT OF SAID SECOND SEMI-CONDUCTIVE MEANS; A PAIR OF MODULATING POTENTIAL TERMINAL RESPECTIVELY CONNECTED BETWEEN SAID BASE ELEMETS; AND A SOURCE OF MODULATING POTENTIAL CONNECTED ACROSS SAID MODULATING POTENTIAL TERMINALS; WHEREBY THE MAGNITUDE OF SAID CARRIER POTENTIAL APPEARING ACROSS SAID OUTPUT TERMINALS IS MODULATED IN ACCORDANCE WITH SAID MODULATING POTENTIAL.
Claim 2
Dependent Claim
131 words
IN A MODULATOR CIRCUIT, THE COMBINATION OF FIRST AND SECOND SEMI-CONDUCTIVE MEANS, EACH HAVING AT LEAST FIRST, SECOND, AND BASE ELEMENTS; THE FIRST SAID ELEMENTS OF SAID FIRST AND SECOND SEMICONDUCTIVE MEANS BEING CONNECTED TOGETHER; A PAIR OF INPUT TERMINALS CONNECTED RESPECTIVELY TO SAID SECOND ELEMENTS OF SAID FIRST AND SECOND SEMICONDUCTIVE MEANS; A SOURCE OF CARRIER POTENTIAL CONNECTED ACROSS SAIDD INPUT TERMINALS; A PAIR OF OUTPUT TERMINALS CONNECTED RESPECTIVELY TO THE CONNECTION JOINING SAID FIRST ELEMENTS, AND TO SAID SECOND ELEMENT OF SAID SECOND SEMI-CONDUCTIVE MEANS; A PAIR OF MODULATING POTENTIAL TERMINAL RESPECTIVELY CONNECTED BETWEEN SAID BASE ELEMETS; AND A SOURCE OF MODULATING POTENTIAL CONNECTED ACROSS SAID MODULATING POTENTIAL TERMINALS; WHEREBY THE MAGNITUDE OF SAID CARRIER POTENTIAL APPEARING ACROSS SAID OUTPUT TERMINALS IS MODULATED IN ACCORDANCE WITH SAID MODULATING POTENTIAL.
References Cited (Backward Citations)
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US2801300A
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US3008090A
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US3096492A
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US3101455A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |