US4560246B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical transmission
Assignee: British Telecommunications PLC
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Filing: 1983-06-02
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Granted: 1998-06-09
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Expires: 2003-06-02
Abstract
Abstract Stimulated Brillouin Scattering, which occurs when light of narrow linewidth and above a threshold power is launched into a low loss optical fiber, is suppressed by time-varying the phase angle of the transmitted light waves.
Inventors
- 👤 David Cotter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:11
CPC Classifications
H; H04; H04B; H04B10/00; H04B10/25; H04B10/2507; H04B10/2537
Claims Analysis
Total Claims: 0
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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) | 2001-06-08 | 2001-12-08 | 2002-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-06-08 | 2005-12-08 | 2006-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-06-08 | 2009-12-08 | 2010-06-09 | $7700.00 | Window Closed / Lapsed |