Patent US3588526A successfully refreshed from Google Patents.
US3588526A
Expired / Lapsed
US
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Shift register using metal oxide silicon transistors
Assignee: Westinghouse Electric Corp
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Filing: 1969-04-04
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Granted: 1971-06-28
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Expires: 1989-04-04
Abstract
Abstract A TWO-STAGE SHIFT REGISTER CIRCUIT FOR AN N BIT SHIFT REGISTER COMPRISED OF A METAL OXIDE SILICON TRANSISTOR (MOST) ARRAY OF A SINGLE-TYPE SEMICONDUCTIVITY WHEREIN EACH STAGE INCLUDES A LOAD MOST AND A SWITCHING MOST AND WHEREIN A SEPARATE GATING MOST IS COUPLED TO EACH LOAD AND SWITCHING MOST OF BOTH STAGES AND OPERATED FROM A FOUR-PHASE SYNCHRONIZED CLOCK SOURCE SO THAT THE LOAD AND SWITCHING MOST IN EACH STAGE ARE OPERATED IN PUSH-PULL RELATIONSHIP FOR REDUCING THE POWER DRAWN DURING STATIC CONDITIONS AND REDUCING THE PROPAGATION TIME FROM THE INPUT AND OUTPUT OF EACH BIT.
Inventors
- 👤 James Ronald Cricchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:26
CPC Classifications
G; G11; G11C; G11C19/00; G11C19/18; G11C19/182; G11C19/184
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |