Patent US3329944A successfully refreshed from Google Patents.
US3329944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sequential access data store
Assignee: NCR Voyix Corp
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Filing: 1966-06-06
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Granted: 1967-07-04
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Expires: 1986-06-06
Abstract
No abstract record available.
Inventors
- 👤 Merton C Leinberger
- 👤 Cecil H Burns
- 👤 Robert A Melnick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:48
CPC Classifications
G; G11; G11B; G11B20/00; G11B20/10; G11B27/00; G11B27/10; G11B27/19; G11B27/28; G11B27/32; G11B5/00; G11B5/48; G11B5/54; G11B5/55; G11B5/5591
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
IN AN ARRANGEMENT FOR PROVIDING A CONTINUOUS CHANNEL IN A SEQUENTIAL ACCESS DATA STORE, THE COMBINATION COMPRISING: DATA STORAGE MEANS COMPRISING A CIRCULAR RECORD MEMBER CAPABLE OF STORING DATA ON AN ANNULAR RECORD SURFACE THEREOF; TRANSDUCING MEANS INCLUDING A PLURALITY OF TRANSDUCERS FOR COOPERATING WITH RESPECTIVE TANGENTIAL SECTIONS OF SAID RECORD SURFACE FOR READING AND WRITING DATA, EACH OF SAID TRANSDUCERS COMPRISING A SET OF SPACED READ AND WRITE HEADS AND INDIVIDUAL MOUNTING MEANS THEREFORE TO MAINTAIN READ AND WRITE HEADS OF EACH TRANSDUCER IN FIXED SPACED RELATIONSHIP RELATIVE TO ONE ANOTHER; INDIVIDUALLY MOVABLE SUPPORT MEANS FOR EACH TRANSDUCER DISPODED CIRCUMFERENTIALLY ABOUT SAID RECORD MEMBER FOR MOVEMENT ALONG CIRCUMFERENTIALLY SPACED PATHS, EACH OF SAID MOVABLE SUPPORT MEANS BEING CONSTRUCTED AND ARRANGED TO BE MOVED RECTILINEARLY TRANSVERSELY TO SAID RECORD SURFACE ALONG SAID CIRCUMFERENTIALLY SPACED PATHS TO PROVIDE FOR OVERLAPPING TRANSVERSE MOVEMENT OF SAID MOUNTING MEANS WHEREBY SAID READ AND WRITE HEADS OF SAID PLURALITY OF TRANSDUCER ARE CAPABLE OF COOPERATING WITH THE ENTIRE RECORD SURFACE OF RESPECTIVE TANGENTIAL
Claim 2
Dependent Claim
168 words
IN AN ARRANGEMENT FOR PROVIDING A CONTINUOUS CHANNEL IN A SEQUENTIAL ACCESS DATA STORE, THE COMBINATION COMPRISING: DATA STORAGE MEANS COMPRISING A CIRCULAR RECORD MEMBER CAPABLE OF STORING DATA ON AN ANNULAR RECORD SURFACE THEREOF; TRANSDUCING MEANS INCLUDING A PLURALITY OF TRANSDUCERS FOR COOPERATING WITH RESPECTIVE TANGENTIAL SECTIONS OF SAID RECORD SURFACE FOR READING AND WRITING DATA, EACH OF SAID TRANSDUCERS COMPRISING A SET OF SPACED READ AND WRITE HEADS AND INDIVIDUAL MOUNTING MEANS THEREFORE TO MAINTAIN READ AND WRITE HEADS OF EACH TRANSDUCER IN FIXED SPACED RELATIONSHIP RELATIVE TO ONE ANOTHER; INDIVIDUALLY MOVABLE SUPPORT MEANS FOR EACH TRANSDUCER DISPODED CIRCUMFERENTIALLY ABOUT SAID RECORD MEMBER FOR MOVEMENT ALONG CIRCUMFERENTIALLY SPACED PATHS, EACH OF SAID MOVABLE SUPPORT MEANS BEING CONSTRUCTED AND ARRANGED TO BE MOVED RECTILINEARLY TRANSVERSELY TO SAID RECORD SURFACE ALONG SAID CIRCUMFERENTIALLY SPACED PATHS TO PROVIDE FOR OVERLAPPING TRANSVERSE MOVEMENT OF SAID MOUNTING MEANS WHEREBY SAID READ AND WRITE HEADS OF SAID PLURALITY OF TRANSDUCER ARE CAPABLE OF COOPERATING WITH THE ENTIRE RECORD SURFACE OF RESPECTIVE TANGENTIAL
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) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |