US3229877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for storage and selective retrieval of magnetically recorded data
Assignee: Individual
•
Filing: 1964-01-31
•
Granted: 1966-01-18
•
Expires: 1984-01-31
Abstract
No abstract record available.
Inventors
- 👤 John B Mclean
- 👤 Morenoff Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:27
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/02; G11B15/05; G11B15/06; G11B15/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
IN A MAGNETIC TAPE MEMORY SYSTEM FOR THE STORAGE OF DATA IN THE FORM OF MAGNETICALLY RETRIEVABLE BITS OF CODED INTELIGENCE, THE METHOD OF EXPEDITING THE RETRIEVAL OF DESIRED INTELLIGENCE WHICH COMPRISES THE STEPS OF APPLYING TO A SERIES OF MAGNETIC TAPES A PLURALITY OF MONITORING ELEMENTS, AT POINTS ALONG THE SEVERAL TAPES CORRESPONDING TO INTELLIGENCE-CONTAINING SEGMENTS OF SAID TAPES, APPLYING HIGH SPEED MOTIVATION TO ALL OF SAID TAPES IN UNISON, AND INTERRUPTING THE HIGH SPEED MOTIVATION OF ONE OF SAID TAPES WHENEVER A MONITORING ELEMENT ON SAID TAPE REACHES A PREDETERMINED POSITION IN THE OPERATING CYCLE.
Claim 2
Dependent Claim
97 words
IN A MAGNETIC TAPE MEMORY SYSTEM FOR THE STORAGE OF DATA IN THE FORM OF MAGNETICALLY RETRIEVABLE BITS OF CODED INTELIGENCE, THE METHOD OF EXPEDITING THE RETRIEVAL OF DESIRED INTELLIGENCE WHICH COMPRISES THE STEPS OF APPLYING TO A SERIES OF MAGNETIC TAPES A PLURALITY OF MONITORING ELEMENTS, AT POINTS ALONG THE SEVERAL TAPES CORRESPONDING TO INTELLIGENCE-CONTAINING SEGMENTS OF SAID TAPES, APPLYING HIGH SPEED MOTIVATION TO ALL OF SAID TAPES IN UNISON, AND INTERRUPTING THE HIGH SPEED MOTIVATION OF ONE OF SAID TAPES WHENEVER A MONITORING ELEMENT ON SAID TAPE REACHES A PREDETERMINED POSITION IN THE OPERATING CYCLE.
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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |