US3337858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage and retrieval of orthogonally related signals
Assignee: Massachusetts Institute of Technology
•
Filing: 1963-11-04
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Granted: 1967-08-22
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Expires: 1983-11-04
Abstract
No abstract record available.
Inventors
- 👤 John E Gillis
- 👤 John Q Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:20
CPC Classifications
G; G06; G06F; G06F17/00; G06F17/10; G06F17/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
IN AN INFORMATION TRANSFER SYSTEM WHEREIN OUTPUT INFORMATION IS RERESENTED BY DIFFERENT ORTHOGONALLY RELATED FREQUENCY SIGNALS WHICH ARE DISTINGUISHED FROM EACH OTHER BY MATCHED FILTERS, THE IMPROVEMENT COMPRISING A SOURCE OF INPUT FREQUENCY SIGNALS, EACH CORRESPONDING TO A DIFFERENT ONE OF SAID ORTHOGONALLY RELATED FREQUENCY SIGNALS, MEANS FOR TRANSFERRING FREQUENCY SIGNALS AT A RATE DIFFERENT FROM THAT REQUIRED TO PROVIDE AN
Claim 2
Dependent Claim
61 words
IN AN INFORMATION TRANSFER SYSTEM WHEREIN OUTPUT INFORMATION IS RERESENTED BY DIFFERENT ORTHOGONALLY RELATED FREQUENCY SIGNALS WHICH ARE DISTINGUISHED FROM EACH OTHER BY MATCHED FILTERS, THE IMPROVEMENT COMPRISING A SOURCE OF INPUT FREQUENCY SIGNALS, EACH CORRESPONDING TO A DIFFERENT ONE OF SAID ORTHOGONALLY RELATED FREQUENCY SIGNALS, MEANS FOR TRANSFERRING FREQUENCY SIGNALS AT A RATE DIFFERENT FROM THAT REQUIRED TO PROVIDE AN
References Cited (Backward Citations)
US2904682A
Cited
US3036157A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |