Patent US3374339A successfully refreshed from Google Patents.
US3374339A
Expired / Lapsed
US
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Counter and shift-register
Assignee: National Aeronautics and Space Administration
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Filing: 1964-12-17
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Granted: 1968-03-19
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Expires: 1984-12-17
Abstract
No abstract record available.
Inventors
- 👤 James E Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:42
CPC Classifications
G; G11; G11C; G11C19/00; G11C19/28; H; H03; H03K; H03K23/00; H03K23/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
196 words
A COUNTING AND SHIFTING CIRCUIT COMPRISING: A PLURALITY OF GATING MEANS, EACH GATING MEANS HAVING AN OUTPUT TERMINAL A PLURALITY OF INPUT TERMINALS AND BEING CHARACTERIZED BY PROVIDING AN OUTPUT OF A FIRST POLARITY ON SAID OUTPUT TERMINAL WHENEVER NONE OF SAID INPUT TERMINALS IS PROVIDED WITH AN INPUT SIGNAL OF SAID FIRST POLARITY, EACH OF SAID GATING MEANS BEING CHARACTERIZED BY PROVIDING AN OUTPUT SIGNAL OF A SECOND POLARITY WHENEVER AN INPUT SIGNAL OF SAID FIRST POLARITY IS PROVIDED TO ANY ONE OF THE INPUT TERMINALS THEREOF; MEANS FOR INTERCONNECTING SAID FIRST PLURALITY OF GATING MEANS; COUNT INHIBITING MEANS FOR INHIBITING AT LEAST SOME OF SAID GATING MEANS WHENEVER SAID PLURALITY OF GATING MEANS IS OPERAABLE IN A SHIFTING MODE; MEANS FOR ENERGIZING SOME OF SAID GATING MEANS WITH A PLURALITY OF SHIFT PULSES SO AS TO CONTROL THE OUTPUTS OF SAID PLURALITY OF GATING MEANS; SHIFT INHIBITING MEANS FOR INHIBITING AT LEAST SOME OF SAID GATING MEANS WHENEVER SAID CIRCUIT IS OPERABLE IN A COUNTING MODE; AND MEANS FOR ENERGIZING SOME OF SAID GATING MEANS WITH COUNTING PULSES TO PROVIDE OUTPUT PULSES AS A FUNCTION OF THE NUMBER OF SAID COUNTING PULSES SUPPLIED THERETO.
Claim 2
Dependent Claim
196 words
A COUNTING AND SHIFTING CIRCUIT COMPRISING: A PLURALITY OF GATING MEANS, EACH GATING MEANS HAVING AN OUTPUT TERMINAL A PLURALITY OF INPUT TERMINALS AND BEING CHARACTERIZED BY PROVIDING AN OUTPUT OF A FIRST POLARITY ON SAID OUTPUT TERMINAL WHENEVER NONE OF SAID INPUT TERMINALS IS PROVIDED WITH AN INPUT SIGNAL OF SAID FIRST POLARITY, EACH OF SAID GATING MEANS BEING CHARACTERIZED BY PROVIDING AN OUTPUT SIGNAL OF A SECOND POLARITY WHENEVER AN INPUT SIGNAL OF SAID FIRST POLARITY IS PROVIDED TO ANY ONE OF THE INPUT TERMINALS THEREOF; MEANS FOR INTERCONNECTING SAID FIRST PLURALITY OF GATING MEANS; COUNT INHIBITING MEANS FOR INHIBITING AT LEAST SOME OF SAID GATING MEANS WHENEVER SAID PLURALITY OF GATING MEANS IS OPERAABLE IN A SHIFTING MODE; MEANS FOR ENERGIZING SOME OF SAID GATING MEANS WITH A PLURALITY OF SHIFT PULSES SO AS TO CONTROL THE OUTPUTS OF SAID PLURALITY OF GATING MEANS; SHIFT INHIBITING MEANS FOR INHIBITING AT LEAST SOME OF SAID GATING MEANS WHENEVER SAID CIRCUIT IS OPERABLE IN A COUNTING MODE; AND MEANS FOR ENERGIZING SOME OF SAID GATING MEANS WITH COUNTING PULSES TO PROVIDE OUTPUT PULSES AS A FUNCTION OF THE NUMBER OF SAID COUNTING PULSES SUPPLIED THERETO.
References Cited (Backward Citations)
US3146345A
Cited
US3258696A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |