US3130387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Buffer system for transferring data between two asynchronous data stores
Assignee: International Standard Electric Corp
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Filing: 1959-02-05
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Granted: 1964-04-21
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Expires: 1979-02-05
Abstract
No abstract record available.
Inventors
- 👤 Wright Esmond Philip Goodwin
- 👤 Weir Donald Adams
- 👤 Hinton Raymond Cecil Price
- 👤 Dzula Boris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:49
CPC Classifications
—
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
230 words
A SYSTEM FOR TRANSFERRING DATA BETWEEN STORAGE SYSTEMS HAVING SLIGHTLY DIFFERENT OPERATING FREQUENCIES, WITHOUT THE USE OF LARGE SCALE OFF-LINE BUFFER STORAGE UNITS, COMPRISING: A FIRST STORE; FIRST TIMING MEANS COUPLED TO FIRST STORE FOR PRODUCING A FIRST SERIES OF PERIODIC TIMING SIGNALS DEFINING THE TIME POSITIONS OF SUCCESSIVE BITS OF DATA STORED IN SAID FIRST STORE; A SECOND STORE; SECOND TIMING MEANS COUPLED TO SAID SECOND STORE FOR PRODUCING A SECOND SERIES OF PERIODIC TIMING SIGNALS DEFINING THE TIME POSITIONS OF SUCCESSIVE BITS OF DATA STORED IN SAID SECOND STORE AND CORRESPONDING TO BUT AT A SLIGHTLY HIGHER FREQUENCY THAN SAID FIRST SERIES; A BUFFER STORE HAVING A SMALL CAPACITY IN RELATION TO THE CAPACITIES OF SAID FIRST AND SECOND STORES; FIRST GATING MEANS COUPLED TO SAID FIRST TIMING MEANS FOR CYCLICALLY DISTRIBUTING INTELLIGENCE SIGNALS FROM SAID FIRST STORE INTO THE STAGES OF SAID BUFFER REGISTER IN SYNCHRONISM WITH SAID FIRST SERIES OF TIMING SIGNALS; SECOND GATING MEANS COUPLED TO SAID SECOND TIMING MEANS FOR CYCLICALLY SCANNING SAID BUFFER STORE IN SYNCHRONISM WITH SAID SECOND SERIES OF TIMING SIGNALS; AND CONTROL MEANS COUPLED TO SAID FIRST AND SECOND TIMING MEANS AND TO SAID SECOND GATING MEANS FOR BLOCKING OPERATION OF SAID SECOND GATING MEANS DURING ONE SCANNING CYCLE OF SAID SECOND GATING MEANS UPON THE OCCURRENCE OF A PREDETERMINED PHASE COINCIDENCE CONDITION BETWEEN SAID FIRST AND SECOND TIMING SIGNALS.
Claim 2
Independent Claim
230 words
A SYSTEM FOR TRANSFERRING DATA BETWEEN STORAGE SYSTEMS HAVING SLIGHTLY DIFFERENT OPERATING FREQUENCIES, WITHOUT THE USE OF LARGE SCALE OFF-LINE BUFFER STORAGE UNITS, COMPRISING: A FIRST STORE; FIRST TIMING MEANS COUPLED TO FIRST STORE FOR PRODUCING A FIRST SERIES OF PERIODIC TIMING SIGNALS DEFINING THE TIME POSITIONS OF SUCCESSIVE BITS OF DATA STORED IN SAID FIRST STORE; A SECOND STORE; SECOND TIMING MEANS COUPLED TO SAID SECOND STORE FOR PRODUCING A SECOND SERIES OF PERIODIC TIMING SIGNALS DEFINING THE TIME POSITIONS OF SUCCESSIVE BITS OF DATA STORED IN SAID SECOND STORE AND CORRESPONDING TO BUT AT A SLIGHTLY HIGHER FREQUENCY THAN SAID FIRST SERIES; A BUFFER STORE HAVING A SMALL CAPACITY IN RELATION TO THE CAPACITIES OF SAID FIRST AND SECOND STORES; FIRST GATING MEANS COUPLED TO SAID FIRST TIMING MEANS FOR CYCLICALLY DISTRIBUTING INTELLIGENCE SIGNALS FROM SAID FIRST STORE INTO THE STAGES OF SAID BUFFER REGISTER IN SYNCHRONISM WITH SAID FIRST SERIES OF TIMING SIGNALS; SECOND GATING MEANS COUPLED TO SAID SECOND TIMING MEANS FOR CYCLICALLY SCANNING SAID BUFFER STORE IN SYNCHRONISM WITH SAID SECOND SERIES OF TIMING SIGNALS; AND CONTROL MEANS COUPLED TO SAID FIRST AND SECOND TIMING MEANS AND TO SAID SECOND GATING MEANS FOR BLOCKING OPERATION OF SAID SECOND GATING MEANS DURING ONE SCANNING CYCLE OF SAID SECOND GATING MEANS UPON THE OCCURRENCE OF A PREDETERMINED PHASE COINCIDENCE CONDITION BETWEEN SAID FIRST AND SECOND TIMING SIGNALS.
References Cited (Backward Citations)
US2916210A
Cited
US3059221A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |