Patent US3076902A successfully refreshed from Google Patents.
US3076902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse circuits using diffused junction semiconductor devices
Assignee: HP Inc
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Filing: 1961-03-30
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Granted: 1963-02-05
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Expires: 1981-03-30
Abstract
No abstract record available.
Inventors
- 👤 Victor E Van Duzer
- 👤 Charles O Forge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:30
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/33
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A CIRCUIT FOR PRODUCING AN OUTPUT PULSE HAVING VERY FAST RISE AND FALL TIMES, SAID CIRCUIT COMPRISING FIRST AND SECOND SEMICONDUCTOR DEVICES, EACH HAVING A JUNCTION ABOUT WHICH THE GRADIENT OF IMPURITY CONCENTRATION INCREASES RAPIDLY WITH DISTANCE THEREFROM, MEANS TO PROVIDE FORWARD CONDUCTION CURRENT THROUGH THE FIRST AND SECOND SEMICONDUCTOR DEVICES, SAID DEVICES BEING CAPABLE OF STORING CARRIERS IN THE IMMEDIATE VICINITY OF THE JUNCTIONS THEREOF DURING FORWARD CONDUCTION, CIRCUIT MEANS RESPONSIVE TO AN INPUT SIGNAL TO APPLY TO THE FIRST SEMICONDUCTOR DEVICE A SIGNAL HAVING SUFFICIENT AMPLITUDE AND POLARITY TO OPPOSE THE FORWARD CONDUCTION CURRENT THERETHROUGH, MEANS INCLUDING THE FIRST SEMICONDUCTOR DEVICE AND RESPONSIVE TO THE SUDDEN DEPLETION OF STORED CARRIERS IN THE
Claim 2
Dependent Claim
114 words
A CIRCUIT FOR PRODUCING AN OUTPUT PULSE HAVING VERY FAST RISE AND FALL TIMES, SAID CIRCUIT COMPRISING FIRST AND SECOND SEMICONDUCTOR DEVICES, EACH HAVING A JUNCTION ABOUT WHICH THE GRADIENT OF IMPURITY CONCENTRATION INCREASES RAPIDLY WITH DISTANCE THEREFROM, MEANS TO PROVIDE FORWARD CONDUCTION CURRENT THROUGH THE FIRST AND SECOND SEMICONDUCTOR DEVICES, SAID DEVICES BEING CAPABLE OF STORING CARRIERS IN THE IMMEDIATE VICINITY OF THE JUNCTIONS THEREOF DURING FORWARD CONDUCTION, CIRCUIT MEANS RESPONSIVE TO AN INPUT SIGNAL TO APPLY TO THE FIRST SEMICONDUCTOR DEVICE A SIGNAL HAVING SUFFICIENT AMPLITUDE AND POLARITY TO OPPOSE THE FORWARD CONDUCTION CURRENT THERETHROUGH, MEANS INCLUDING THE FIRST SEMICONDUCTOR DEVICE AND RESPONSIVE TO THE SUDDEN DEPLETION OF STORED CARRIERS IN THE
References Cited (Backward Citations)
US2947883A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |