Patent EP0419275A1 successfully refreshed from Google Patents.
US3235849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Large capacity sequential buffer
Assignee: Beckman Coulter Inc
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Filing: 1962-04-19
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Granted: 1966-02-15
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Expires: 1982-04-19
Abstract
No abstract record available.
Inventors
- 👤 Klein Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:37
CPC Classifications
G; G06; G06F; G06F5/00; G06F5/06; G06F5/08; G06F5/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
281 words
A LARGE CAPACITY SEQUENTIAL BUFFER HAVING AN INPUT FOR RECEIVING DATA AT AN ASYNCHRONOUS RATE AND AN OUTPUT FOR SUPPLYING DATA AT ONE OR MORE SYNCHRONOUS RATES, THE IMPROVEMENT COMPRISING A STATIC MEMORY CONNECTED WITH SAID INPUT FOR RECEIVING AND STORING SAID DATA AT AN ASYNCHRONOUS RATE, A DYNAMIC MEMORY FOR RECEIVING AND STORING DATA, FIRST MEANS CONNECTED WITH SAID STATIC MEMORY AND WITH SAID DYNAMIC MEMORY FOR SELECTIVELY APPLYING DATA FROM SAID STATIC MEMORY TO SAID DYNAMIC MEMORY IN A PREDETERMINED SPACED RELATIONSHIP, SECOND MEANS CONNECTED WITH SAID DYNAMIC MEMORY AND SAID FIRST MEANS WHEREBY SAID FIRST MEANS SELECTIVELY SUPPLIES THE OUTPUT OF SAID DYNAMIC MEMORY BACK TO THE INPUT THEREOF TO RECIRCULATE DATA THROUGH THE DYNAMIC MEMORY, THIRD MEANS CONNECTED WITH SAID SECOND MEANS FOR SELECTIVELY APPLYING DATA FROM SADI DYNAMIC MEMORY TO SAID OUTPUT, FOURTH MEANS CONNECTED WITH SAID FIRST MEANS FOR CONTROLLING THE TRANSFER OF INFORMATION FROM SAID STATIC MEMORY TO SAID DYNAMIC MEMORY AND FOR CAUSING THE INSERTION OF FIRST AND SECOND SPECIAL CHARACTERS IN SAID DYNAMIC MEMORY, FIFTH MEANS CONNECTED WITH SAID SECOND MEANS AND SAID FOURTH MEANS TO SENSE SAID SECOND SPECIAL CHARACTER STORED IN SAID DYNAMIC MEMORY TO CONTROL SAID FOURTH MEANS TO CAUSE SAID TRANSFER OF INFORMATION FROM SAID STATIC MEMORY TO SAID DYNAMIC MEMORY AND TO CAUSE REINSERTION OF SAID SECOND CHARACTER IN SAID DYNAMIC MEMORY, AND SIXTH MEANS CONNECTED WITH SAID SECOND, THIRD AND FOURTH MEANS TO SENSE SAID FIRST SPECIAL CHARACTER STORED IN SAID DYNAMIC MEMORY FOR CONTROLLING THE APPLICATION OF DATA FROM SAID SYNAMIC MEMORY TO SAID OUTPUT BY SAID THIRD MEANS AND FOR CONTROLLING SAID FOURTH MEANS TO REINSERT SAID FIRST SPECIAL CHARACTER IN SAID DYNAMIC MEMORY.
Claim 2
Dependent Claim
281 words
A LARGE CAPACITY SEQUENTIAL BUFFER HAVING AN INPUT FOR RECEIVING DATA AT AN ASYNCHRONOUS RATE AND AN OUTPUT FOR SUPPLYING DATA AT ONE OR MORE SYNCHRONOUS RATES, THE IMPROVEMENT COMPRISING A STATIC MEMORY CONNECTED WITH SAID INPUT FOR RECEIVING AND STORING SAID DATA AT AN ASYNCHRONOUS RATE, A DYNAMIC MEMORY FOR RECEIVING AND STORING DATA, FIRST MEANS CONNECTED WITH SAID STATIC MEMORY AND WITH SAID DYNAMIC MEMORY FOR SELECTIVELY APPLYING DATA FROM SAID STATIC MEMORY TO SAID DYNAMIC MEMORY IN A PREDETERMINED SPACED RELATIONSHIP, SECOND MEANS CONNECTED WITH SAID DYNAMIC MEMORY AND SAID FIRST MEANS WHEREBY SAID FIRST MEANS SELECTIVELY SUPPLIES THE OUTPUT OF SAID DYNAMIC MEMORY BACK TO THE INPUT THEREOF TO RECIRCULATE DATA THROUGH THE DYNAMIC MEMORY, THIRD MEANS CONNECTED WITH SAID SECOND MEANS FOR SELECTIVELY APPLYING DATA FROM SADI DYNAMIC MEMORY TO SAID OUTPUT, FOURTH MEANS CONNECTED WITH SAID FIRST MEANS FOR CONTROLLING THE TRANSFER OF INFORMATION FROM SAID STATIC MEMORY TO SAID DYNAMIC MEMORY AND FOR CAUSING THE INSERTION OF FIRST AND SECOND SPECIAL CHARACTERS IN SAID DYNAMIC MEMORY, FIFTH MEANS CONNECTED WITH SAID SECOND MEANS AND SAID FOURTH MEANS TO SENSE SAID SECOND SPECIAL CHARACTER STORED IN SAID DYNAMIC MEMORY TO CONTROL SAID FOURTH MEANS TO CAUSE SAID TRANSFER OF INFORMATION FROM SAID STATIC MEMORY TO SAID DYNAMIC MEMORY AND TO CAUSE REINSERTION OF SAID SECOND CHARACTER IN SAID DYNAMIC MEMORY, AND SIXTH MEANS CONNECTED WITH SAID SECOND, THIRD AND FOURTH MEANS TO SENSE SAID FIRST SPECIAL CHARACTER STORED IN SAID DYNAMIC MEMORY FOR CONTROLLING THE APPLICATION OF DATA FROM SAID SYNAMIC MEMORY TO SAID OUTPUT BY SAID THIRD MEANS AND FOR CONTROLLING SAID FOURTH MEANS TO REINSERT SAID FIRST SPECIAL CHARACTER IN SAID DYNAMIC MEMORY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |