Patent US3414677A successfully refreshed from Google Patents.
US3414677A
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US
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Time-bandwidth reduction by dividing binary type signal into groups and producing coded signal of predetermined characteristic in response to each group
Assignee: TDK Micronas GmbH
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Filing: 1964-12-28
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Granted: 1968-12-03
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Expires: 1984-12-28
Abstract
No abstract record available.
Inventors
- 👤 Robert V Quinlan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:30
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/66; H04B1/662; H04L; H04L25/00; H04L25/38; H04L25/40; H04L25/49; H04L25/4917; H04N; H04N1/00; H04N1/41; H04N1/411; H04N1/413; H04N1/4135; H04N7/00; H04N7/12
Claims Analysis
Total Claims: 0
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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) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |