Patent US3132259A successfully refreshed from Google Patents.
US3132259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse shaper using carrier storage diodes
Assignee: HP Inc
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Filing: 1960-10-18
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Granted: 1964-05-05
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Expires: 1980-10-18
Abstract
No abstract record available.
Inventors
- 👤 Kay B Magleby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:40
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/33
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
213 words
PULSE SHAPING APPARATUS HAVING AN INPUT AND AN OUTPUT AND COMPRISING: FIRST AND SECOND SEMICONDUCTOR DIODES, EACH HAVING A P-N JUNCTION THEREIN AND EACH BEING CAPABLE OF STORING ELECTRICAL CARRIERS INJECTED INTO THE REGION ABOUT THE JUNCTION DURING FORWARD CONDUCTION OF CURRENT THERETHROUGH; A BIAS SUPPLY CONNECTED TO THE FIRST DIODE FOR SUPPLYING FORWARD CONDUCTION CURRENT THERETO; CIRCUIT MEANS CONNECTING SAID INPUT TO THE FIRST DIODE FOR APPLYING A PULSE TO BE SHAPED THERETO WITH SUFFICIENT AMPLITUDE AND POLARITY TO OPPOSE FORWARD CONDUCTION CURRENT THROUGH THE FIRST DIODE; A FIRST CIRCUIT INCLUDING THE FIRST DIODE CONNECTED TO SAID OUTPUT FOR INITIATING AN OUTPUT PULSE AT SAID OUTPUT IN RESPONSE TO THE DEPLETION OF INJECTED CARRIERS IN THE FIRST DIODE AFTER THE RISE TIME OF THE PULSE TO BE SHAPED; A SECOND CIRCUIT INCLUDING THE SECOND DIODE CONNECTED TO SAID OUTPUT FOR APPLYING SAID OUTPUT PULSE TO THE SECOND DIODE WITH SUFFICIENT AMPLITUDE AND POLARITY TO SUPPLY FORWARD CONDUCTION CURRENT THERETHROUGH; AND ANOTHER BIAS SUPPLY CONNECTED TO THE SECOND DIODE FOR SUPPLYING REVERSE CONDUCTION CURRENT THERETHROUGH TO REMOVE INJECTED CARRIERS FROM SAID DIODE; SAID SECOND CIRCUIT INCLUDING THE SECOND DIODE TERMINATING THE OUTPUT PULSE IN RESPONSE TO THE DEPLETION OF INJECTED CARRIERS IN THE SECOND DIODE FOLLOWING REMOVAL OF THE PULSE TO BE SHAPED.
Claim 2
Dependent Claim
213 words
PULSE SHAPING APPARATUS HAVING AN INPUT AND AN OUTPUT AND COMPRISING: FIRST AND SECOND SEMICONDUCTOR DIODES, EACH HAVING A P-N JUNCTION THEREIN AND EACH BEING CAPABLE OF STORING ELECTRICAL CARRIERS INJECTED INTO THE REGION ABOUT THE JUNCTION DURING FORWARD CONDUCTION OF CURRENT THERETHROUGH; A BIAS SUPPLY CONNECTED TO THE FIRST DIODE FOR SUPPLYING FORWARD CONDUCTION CURRENT THERETO; CIRCUIT MEANS CONNECTING SAID INPUT TO THE FIRST DIODE FOR APPLYING A PULSE TO BE SHAPED THERETO WITH SUFFICIENT AMPLITUDE AND POLARITY TO OPPOSE FORWARD CONDUCTION CURRENT THROUGH THE FIRST DIODE; A FIRST CIRCUIT INCLUDING THE FIRST DIODE CONNECTED TO SAID OUTPUT FOR INITIATING AN OUTPUT PULSE AT SAID OUTPUT IN RESPONSE TO THE DEPLETION OF INJECTED CARRIERS IN THE FIRST DIODE AFTER THE RISE TIME OF THE PULSE TO BE SHAPED; A SECOND CIRCUIT INCLUDING THE SECOND DIODE CONNECTED TO SAID OUTPUT FOR APPLYING SAID OUTPUT PULSE TO THE SECOND DIODE WITH SUFFICIENT AMPLITUDE AND POLARITY TO SUPPLY FORWARD CONDUCTION CURRENT THERETHROUGH; AND ANOTHER BIAS SUPPLY CONNECTED TO THE SECOND DIODE FOR SUPPLYING REVERSE CONDUCTION CURRENT THERETHROUGH TO REMOVE INJECTED CARRIERS FROM SAID DIODE; SAID SECOND CIRCUIT INCLUDING THE SECOND DIODE TERMINATING THE OUTPUT PULSE IN RESPONSE TO THE DEPLETION OF INJECTED CARRIERS IN THE SECOND DIODE FOLLOWING REMOVAL OF THE PULSE TO BE SHAPED.
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) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |