US3106644A
Expired / Lapsed
US
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Logic circuits employing minority carrier storage diodes for adding booster charge to prevent input loading
Assignee: Northrop Grumman Guidance and Electronics Co Inc
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Filing: 1958-02-27
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Granted: 1963-10-08
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Expires: 1978-02-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Leo P Retzinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:55
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/286; H03K3/288; H03K19/00; H03K19/02; H03K19/12; H03K3/33
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
273 words
A DIODE GATING CIRCUIT RESPONSIVE TO APPLICATION OF A TIMING SIGNAL AND A PLURALITY OF CONTROL SIGNALS FOR DRIVING AN OUTPUT CIRCUIT HAVING A BOOSTER CHARGE REQUIREMEANT, SAID GATING CIRCUIT COMPRISING: AN OUTPUT TERMINAL FOR CONNECTION TO THE OUTPUT CIRCUIT; MEANS CONNECTED TO SAID TERMINAL FOR APPLYING A PREDETERMINED CURRENT SO SAID TERMINAL; A PLURALITY OF DIODES EACH HAVING A FIRST AND SECOND ELECTRODE AND HAVING SAID FIRST ELECTRODE CONNECTED TO SAID OUTPUT TERMINAL OF SAID CURRENT APPLYING MEANS, SAID DIODES BEING IDENTICALLY POLED WITH RESPECT TO SAID OUTPUT TERMINAL AND CONNECTED THERETO WITH A POLING SUCH THAT THEY ARE NORMALLY FORWARD BIASED BY SAID PREDETERMINED CURRENT; A CHARGE STORAGE DIODE FOR STORING MINORITY CARRIERS WHEN IN FORWARD CONDUCTION SUFFICIENT TO PROVIDE A CHARGE EXCEEDING THE BOOSTER CHARGE REQUIREMENT OF THE OUTPUT CIRCUIT, SAID STORAGE DIODE HAVING A SUBSTANTIALLY GREATER CHARGE STORAGE CAPABILITY THAN SAID DIODES OF SAID PLURALITY OF DIODES AND HAVING A FIRST AND SECOND ELECTRODE, SAID FIRST ELECTRODE BEING CONNECTED TO SAID TERMINAL, SAID STORAGE DIODE HAVING IDENTICAL POLING WITH RESPECT TO SAID TERMINAL AS SAID PLURALITY OF DIODES; MEANS FOR APPLYING THE PLURALITY OF CONTROL SIGNALS TO SAID SECOND ELECTRODES OF SAID PLURALITY OF DIODES FOR SELECTIVELY REVERSE BIASING INDIVIDUAL ONES OF SAID PLURALITY OF DIODES, SAID STORAGE DIODE BEING FORWARD BIASES BY SAID PREDETERMINED CURRENT TO STORE CHARGE THEREIN ONLY WHEN ALL OF SAID PLURALITY OF DIODES ARE REVERSE BIASED; AND MEANS FOR APPLYING THE TIMING SIGNAL TO SAID SECOND ELECTRODE OF SAID STORAGE DIODE FOR REVERSE BIASING SAID STORAGE DIODE TO APPLY ANY BOOSTER CHARGE STORED THEREIN TO SAID OUTPUT TERMINAL FOR APPLICATION TO THE OUTPUT CIRCUIT.
Claim 2
Dependent Claim
273 words
A DIODE GATING CIRCUIT RESPONSIVE TO APPLICATION OF A TIMING SIGNAL AND A PLURALITY OF CONTROL SIGNALS FOR DRIVING AN OUTPUT CIRCUIT HAVING A BOOSTER CHARGE REQUIREMEANT, SAID GATING CIRCUIT COMPRISING: AN OUTPUT TERMINAL FOR CONNECTION TO THE OUTPUT CIRCUIT; MEANS CONNECTED TO SAID TERMINAL FOR APPLYING A PREDETERMINED CURRENT SO SAID TERMINAL; A PLURALITY OF DIODES EACH HAVING A FIRST AND SECOND ELECTRODE AND HAVING SAID FIRST ELECTRODE CONNECTED TO SAID OUTPUT TERMINAL OF SAID CURRENT APPLYING MEANS, SAID DIODES BEING IDENTICALLY POLED WITH RESPECT TO SAID OUTPUT TERMINAL AND CONNECTED THERETO WITH A POLING SUCH THAT THEY ARE NORMALLY FORWARD BIASED BY SAID PREDETERMINED CURRENT; A CHARGE STORAGE DIODE FOR STORING MINORITY CARRIERS WHEN IN FORWARD CONDUCTION SUFFICIENT TO PROVIDE A CHARGE EXCEEDING THE BOOSTER CHARGE REQUIREMENT OF THE OUTPUT CIRCUIT, SAID STORAGE DIODE HAVING A SUBSTANTIALLY GREATER CHARGE STORAGE CAPABILITY THAN SAID DIODES OF SAID PLURALITY OF DIODES AND HAVING A FIRST AND SECOND ELECTRODE, SAID FIRST ELECTRODE BEING CONNECTED TO SAID TERMINAL, SAID STORAGE DIODE HAVING IDENTICAL POLING WITH RESPECT TO SAID TERMINAL AS SAID PLURALITY OF DIODES; MEANS FOR APPLYING THE PLURALITY OF CONTROL SIGNALS TO SAID SECOND ELECTRODES OF SAID PLURALITY OF DIODES FOR SELECTIVELY REVERSE BIASING INDIVIDUAL ONES OF SAID PLURALITY OF DIODES, SAID STORAGE DIODE BEING FORWARD BIASES BY SAID PREDETERMINED CURRENT TO STORE CHARGE THEREIN ONLY WHEN ALL OF SAID PLURALITY OF DIODES ARE REVERSE BIASED; AND MEANS FOR APPLYING THE TIMING SIGNAL TO SAID SECOND ELECTRODE OF SAID STORAGE DIODE FOR REVERSE BIASING SAID STORAGE DIODE TO APPLY ANY BOOSTER CHARGE STORED THEREIN TO SAID OUTPUT TERMINAL FOR APPLICATION TO THE OUTPUT CIRCUIT.
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) | 1966-10-07 | 1967-04-08 | 1967-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-07 | 1971-04-08 | 1971-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-07 | 1975-04-08 | 1975-10-08 | $7700.00 | Window Closed / Lapsed |