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US5283678A Expired / Lapsed US ⏱️ 0.0 years remaining

Metallic access in a fiber remote terminal

Assignee: Nokia of America Corp
•
Filing: 1992-03-18
•
Granted: 1994-02-01
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Expires: 2012-03-18
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Abstract

Abstract An optical line shelf formerly used exclusively for multiplexing broadband video with voice channels in a serial bus transport format is adapted for use with both optical line distribution units and a metallic distribution unit.

Inventors

  • 👤 Richard M. Czerwiec

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 20:48
CPC Classifications
H; H04; H04N; H04N7/00; H04N7/22; H04J; H04J3/00; H04J3/16; H04J3/1605; H04J3/1611; H04Q; H04Q2213/00; H04Q2213/13003; H04Q2213/1301; H04Q2213/13076; H04Q2213/13305; H04Q2213/1332

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 67 words
Apparatus, comprising: an optical distribution shelf having a plurality of optical distribution units each responsive to one of a plurality of metallic serial bus interface (SBI) signals for providing same as optical serial bus interface signals; and a metallic distribution unit for insertion in the optical distribution shelf, responsive to one of the plurality of metallic (SBI) signals, for providing at least one metallic subscriber level signal.
Claim 2
Dependent Claim 67 words
Apparatus, comprising: an optical distribution shelf having a plurality of optical distribution units each responsive to one of a plurality of metallic serial bus interface (SBI) signals for providing same as optical serial bus interface signals; and a metallic distribution unit for insertion in the optical distribution shelf, responsive to one of the plurality of metallic (SBI) signals, for providing at least one metallic subscriber level signal.
Claim 3
Dependent Claim 57 words
The apparatus of claim 1, wherein the metallic distribution unit comprises: a metallic line shelf access, responsive to the one of the plurality of metallic SBI signals and responsive to a control signal, for providing selected voice channel signals; and a metallic line shelf processor, responsive to the one metallic SBI signal for providing, the control signal
Claim 4
Dependent Claim 22 words
The apparatus of claim 2, further comprising means responsive to the selected voice channel signals for providing same as separate metallic signals.

References Cited (Backward Citations)

US4912521A Cited
US4870637A Cited
US4993019A Cited
US5134508A Cited
US5191456A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1997-01-31 1997-08-02 1998-02-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2001-01-31 2001-08-02 2002-02-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2005-01-31 2005-08-02 2006-02-01 $7700.00 Window Closed / Lapsed

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