US3317902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Address selection control apparatus
Assignee: International Business Machines Corp
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Filing: 1964-04-06
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Granted: 1967-05-02
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Expires: 1984-04-06
Abstract
No abstract record available.
Inventors
- 👤 Louis A Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:49
CPC Classifications
G; G11; G11C; G11C8/00; G11C8/12; G11C11/00; G11C11/02; G11C11/06; G11C11/06007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
APPARATUS FOR SELECTIVELY ADDRESSING A SELECTABLE DATA-CONTAINING ADDRESS IN ONE OR THE OTHER OF TWO SEPARATE AND DISTINCT DATA STORAGE AREAS HAVING DIFFERENT NUMBERS OF RESPECTIVE ADDRESS-DECODING DRIVE LINES, COMPRISING: ADDRESS REGISTER MEANS HAVING BITS OF DATA FOR CONTROLLING ADDRESS SELECTION, MEANS INDEPENDENT OF SAID BITS FOR PRESELECTING WHICH OF THE AREAS IS TO BE ADDRESSED, MEANS INCLUDING MEANS RESPONSIVE TO THE PRESELECTING MEANS AND AN OUTPUT CORRESPONDING TO THE DATA IN THE ADDRESS REGISTER MEANS FOR ENERGIZING A CORRESPONDING UNIQUE ONE OF THE DRIVE LINES IN THE PRESELECTED AREA, AND MEANS CONTROLLED BY THE PRESELECTING MEANS AND OPERATIVE, UPON PRESELECTION OF THE ONE AREA HAVING THE FEWER NUMBER OF DRIVE LINES, TO PREVENT DRIVE LINE ENERGIZATION IN SAID ONE AREA FROM BEING INFLUENCED BY ANY INVALID COMBINATIONS OF DATA IN SAID ADDRESS REGISTER MEANS.
Claim 2
Dependent Claim
135 words
APPARATUS FOR SELECTIVELY ADDRESSING A SELECTABLE DATA-CONTAINING ADDRESS IN ONE OR THE OTHER OF TWO SEPARATE AND DISTINCT DATA STORAGE AREAS HAVING DIFFERENT NUMBERS OF RESPECTIVE ADDRESS-DECODING DRIVE LINES, COMPRISING: ADDRESS REGISTER MEANS HAVING BITS OF DATA FOR CONTROLLING ADDRESS SELECTION, MEANS INDEPENDENT OF SAID BITS FOR PRESELECTING WHICH OF THE AREAS IS TO BE ADDRESSED, MEANS INCLUDING MEANS RESPONSIVE TO THE PRESELECTING MEANS AND AN OUTPUT CORRESPONDING TO THE DATA IN THE ADDRESS REGISTER MEANS FOR ENERGIZING A CORRESPONDING UNIQUE ONE OF THE DRIVE LINES IN THE PRESELECTED AREA, AND MEANS CONTROLLED BY THE PRESELECTING MEANS AND OPERATIVE, UPON PRESELECTION OF THE ONE AREA HAVING THE FEWER NUMBER OF DRIVE LINES, TO PREVENT DRIVE LINE ENERGIZATION IN SAID ONE AREA FROM BEING INFLUENCED BY ANY INVALID COMBINATIONS OF DATA IN SAID ADDRESS REGISTER MEANS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |