Patent US3119031A successfully refreshed from Google Patents.
US3119031A
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US
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Shift register with input memory converting logic level signals to positive or negative clock pulses
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1962-01-29
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Granted: 1964-01-21
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Expires: 1982-01-29
Abstract
No abstract record available.
Inventors
- 👤 Jack C Smeltzer
- 👤 Elliott E Rech
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:26
CPC Classifications
G; G11; G11C; G11C19/00; G11C19/18; G11C19/182; H; H03; H03K; H03K5/00; H03K5/13; H03K5/135
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
IN COMBINATION WITH A SIGNAL SOURCE CAPABLE OF PROVIDING FIRST AND SECOND INPUT SIGNALS RESPECTIVELY HAVING FIRST AND SECOND VOLTAGE LEVELS, A DELAY CIRCUIT FOR DELAYING SAID INPUT SIGNALS COMPRISING: A CAPACITOR; CURRENT STEERING MEANS INCLUDING A DIODE HAVING FIRST AND SECOND TERMINALS AND A VOLTAGE DIVIDER NETWORK HAVING FIRST AND SECOND ENDS AND FIRST AND SECOND INTERMEDIATE POSITIONS; MEANS APPLYING SAID INPUT SIGNALS TO SAID FIRST TERMINAL OF SAID DIODE; MEANS CONNECTING SAID SECOND TERMINAL OF SAID DIODE TO SAID FIRST INTERMEDIATE POSITION IN SAID NETWORK; MEANS CONNECTING SAID CAPACITOR BETWEEN SAID SECOND INTERMEDIATE POSITION IN SAID NETWORK AND A SOURCE OF REFERENCE POTENTIAL;
Claim 2
Dependent Claim
105 words
IN COMBINATION WITH A SIGNAL SOURCE CAPABLE OF PROVIDING FIRST AND SECOND INPUT SIGNALS RESPECTIVELY HAVING FIRST AND SECOND VOLTAGE LEVELS, A DELAY CIRCUIT FOR DELAYING SAID INPUT SIGNALS COMPRISING: A CAPACITOR; CURRENT STEERING MEANS INCLUDING A DIODE HAVING FIRST AND SECOND TERMINALS AND A VOLTAGE DIVIDER NETWORK HAVING FIRST AND SECOND ENDS AND FIRST AND SECOND INTERMEDIATE POSITIONS; MEANS APPLYING SAID INPUT SIGNALS TO SAID FIRST TERMINAL OF SAID DIODE; MEANS CONNECTING SAID SECOND TERMINAL OF SAID DIODE TO SAID FIRST INTERMEDIATE POSITION IN SAID NETWORK; MEANS CONNECTING SAID CAPACITOR BETWEEN SAID SECOND INTERMEDIATE POSITION IN SAID NETWORK AND A SOURCE OF REFERENCE POTENTIAL;
References Cited (Backward Citations)
US2988701A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |