US3093814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tag memory
Assignee: International Business Machines Corp
•
Filing: 1959-04-29
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Granted: 1963-06-11
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Expires: 1979-04-29
Abstract
No abstract record available.
Inventors
- 👤 Eric G Wagner
- 👤 Mccarthy John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:24
CPC Classifications
G; G11; G11C; G11C15/00; G11C15/04; G06; G06F; G06F7/00; G06F7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
292 words
A MEMORY CIRCUIT COMPRISING; A PLURALITY OF TAG REGISTERS EACH INCLUDING A PLURALITY OF BISTABLE STORAGE DEVICES; EACH OF SAID STORAGE DEVICES BEING CAPABLE OF ASSUMING A FIRST STABLE STATE REPRESENTATIVE OF A BINARY ONE AND A SECOND STABLE STATE REPRESENTATIVE OF A BINARY ZERO; EACH OF SAID STORAGE DEVICES IN SAID TAG REGISTERS HAVING A RESET INPUT, A COMPLEMENT INPUT, AND OUTPUT MEANS; A PULSE APPLIED TO THE RESET INPUT OF ANY ONE OF SAID STORAGE DEVICES IN SAID TAG REGISTERS BEING EFFECTIVE TO SET THAT DEVICE IN SAID SECOND STABLE STATE; A PULSE APPLIED TO THE COMPLEMENT INPUT OF ANY ONE OF SAID STORAGE DEVICES IN SAID TAG REGISTERS BEING EFFECTIVE TO COMPLEMENT THAT STORAGE DEVICE BY SWITCHING IT FROM THE ONE OF SAID BINARY STATES IT IS IN TO THE OTHER OF SAID BINARY STATES; THE OUTPUT MEANS FOR EACH OF SAID STORAGE DEVICES IN SAID TAG REGISTERS BEING RESPONSIVE IN ACCORDANCE WITH THE STABLE STATE OF THE DEVICE; THE OUTPUT MEANS FOR THE STORAGE DEVICES IN EACH SAID TAG REGISTER BEING CONNECTED IN AN OUTPUT CIRCUIT FOR THAT TAG REGISTER; THE OUTPUT CIRCUIT FOR EACH OF SAID TAG REGISTERS BEING EFFECTIVE TO PROVIDE AN OUTPUT IN RESPONSE TO A PULSE APPLIED THERETO ONLY WHEN ALL OF THE STORAGE DEVICES IN THAT TAG REGISTER ARE IN SAID SECOND STABLE STATE; AN INPUT REGISTER INCLUDING A PLURALITY OF STORAGE DEVICES EACH HAVING AN OUTPUT MEANS AND EACH CAPABLE OF ASSUMING A FIRST STABLE STATE REPRESENTATIVE OF A BINARY ONE AND A SECOND STABLE STATE REPRESENTATIVE OF A BINARY ZERO; THE OUTPUT MEANS OF EACH OF SAID STORAGE DEVICES IN SAID INPUT REGISTER BEING COUPLED TO THE COMPLEMENT INPUT OF EACH OF A CORRESPONDING GROUP OF SAID STORAGE DEVICES IN SAID
Claim 2
Dependent Claim
292 words
A MEMORY CIRCUIT COMPRISING; A PLURALITY OF TAG REGISTERS EACH INCLUDING A PLURALITY OF BISTABLE STORAGE DEVICES; EACH OF SAID STORAGE DEVICES BEING CAPABLE OF ASSUMING A FIRST STABLE STATE REPRESENTATIVE OF A BINARY ONE AND A SECOND STABLE STATE REPRESENTATIVE OF A BINARY ZERO; EACH OF SAID STORAGE DEVICES IN SAID TAG REGISTERS HAVING A RESET INPUT, A COMPLEMENT INPUT, AND OUTPUT MEANS; A PULSE APPLIED TO THE RESET INPUT OF ANY ONE OF SAID STORAGE DEVICES IN SAID TAG REGISTERS BEING EFFECTIVE TO SET THAT DEVICE IN SAID SECOND STABLE STATE; A PULSE APPLIED TO THE COMPLEMENT INPUT OF ANY ONE OF SAID STORAGE DEVICES IN SAID TAG REGISTERS BEING EFFECTIVE TO COMPLEMENT THAT STORAGE DEVICE BY SWITCHING IT FROM THE ONE OF SAID BINARY STATES IT IS IN TO THE OTHER OF SAID BINARY STATES; THE OUTPUT MEANS FOR EACH OF SAID STORAGE DEVICES IN SAID TAG REGISTERS BEING RESPONSIVE IN ACCORDANCE WITH THE STABLE STATE OF THE DEVICE; THE OUTPUT MEANS FOR THE STORAGE DEVICES IN EACH SAID TAG REGISTER BEING CONNECTED IN AN OUTPUT CIRCUIT FOR THAT TAG REGISTER; THE OUTPUT CIRCUIT FOR EACH OF SAID TAG REGISTERS BEING EFFECTIVE TO PROVIDE AN OUTPUT IN RESPONSE TO A PULSE APPLIED THERETO ONLY WHEN ALL OF THE STORAGE DEVICES IN THAT TAG REGISTER ARE IN SAID SECOND STABLE STATE; AN INPUT REGISTER INCLUDING A PLURALITY OF STORAGE DEVICES EACH HAVING AN OUTPUT MEANS AND EACH CAPABLE OF ASSUMING A FIRST STABLE STATE REPRESENTATIVE OF A BINARY ONE AND A SECOND STABLE STATE REPRESENTATIVE OF A BINARY ZERO; THE OUTPUT MEANS OF EACH OF SAID STORAGE DEVICES IN SAID INPUT REGISTER BEING COUPLED TO THE COMPLEMENT INPUT OF EACH OF A CORRESPONDING GROUP OF SAID STORAGE DEVICES IN SAID
References Cited (Backward Citations)
US2960681A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |