US5355401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for providing telephony power through a coaxial cable network
Assignee: Comcast MO Group Inc
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Filing: 1993-05-28
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Granted: 1994-10-11
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Expires: 2013-05-28
Abstract
Abstract A fiber optic/coaxial cable telephony network including power. Power is supplied through the coaxial cable portion of the video network to an optical network unit where the power is converted and supplied to the telephone network.
Inventors
- 👤 Russell A. Skinner, Sr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:28
CPC Classifications
H; H04; H04Q; H04Q11/00; H04Q11/0001; H04Q11/0062; H04B; H04B10/00; H04B10/80; H04B10/806; H04B10/808; H04M; H04M19/00; H04M19/001; H04N; H04N7/00; H04N7/10; H04Q11/0067; H04Q11/0071
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
114 words
A video and telephony network including a plurality of telephones operatively connected thereto comprising: a fiber optic transmission system; a coaxial cable transmission system electromagnetically connected to said fiber optic transmission system; a telephone switching system electromagnetically connected to said fiber optic transmission system; a video provisioning system electromagnetically connected to said fiber optic transmission system; a video receiver electromagnetically connected to said coaxial cable transmission system; an optical network unit electromagnetically connected to said coaxial cable transmission system; and a power supply electromagnetically connected to said coaxial cable transmission system; whereby power from said power supply is transmitted through said coaxial cable transmission system to said optical network unit to power said telephones.
Claim 2
Dependent Claim
114 words
A video and telephony network including a plurality of telephones operatively connected thereto comprising: a fiber optic transmission system; a coaxial cable transmission system electromagnetically connected to said fiber optic transmission system; a telephone switching system electromagnetically connected to said fiber optic transmission system; a video provisioning system electromagnetically connected to said fiber optic transmission system; a video receiver electromagnetically connected to said coaxial cable transmission system; an optical network unit electromagnetically connected to said coaxial cable transmission system; and a power supply electromagnetically connected to said coaxial cable transmission system; whereby power from said power supply is transmitted through said coaxial cable transmission system to said optical network unit to power said telephones.
Claim 3
Independent Claim
98 words
A method for providing video and telephony services to a subscriber comprising: supplying a set of video signals and a modulated telephony signal to a fiber optic transmission system; converting optical signals on said fiber optic transmission system to electrical signals on a network coaxial cable system and simultaneously converting electrical signals on said network coaxial cable system to signals on said fiber optic transmission system; inserting power to said network coaxial cable system; converting said power; and providing said converted power to a telephony network; whereby said telephony network utilizes said converted power to provide telephony services.
Claim 4
Independent Claim
98 words
A method for providing video and telephony services to a subscriber comprising: supplying a set of video signals and a modulated telephony signal to a fiber optic transmission system; converting optical signals on said fiber optic transmission system to electrical signals on a network coaxial cable system and simultaneously converting electrical signals on said network coaxial cable system to signals on said fiber optic transmission system; inserting power to said network coaxial cable system; converting said power; and providing said converted power to a telephony network; whereby said telephony network utilizes said converted power to provide telephony services.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-10-10 | 1998-04-11 | 1998-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-10-10 | 2002-04-11 | 2002-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-10-10 | 2006-04-11 | 2006-10-11 | $7700.00 | Window Closed / Lapsed |