U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Set-top electronics and network interface unit arrangement

Patent 6493874 Issued on December 10, 2002. Estimated Expiration Date: Icon_subject January 26, 2021. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

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Inventor

Application

No. 771145 filed on 01/26/2001

US Classes:

725/78, Multiunit or multiroom structure (e.g., home, hospital, hotel, office building, school, etc.)725/110, Connection to external network at receiver (e.g., set-top box)725/117, Communications interface725/118, Transmission network725/119Having significant intermediate network unit (e.g., hub, substation, etc.)

Examiners

Primary: Faile, Andrew
Assistant: Bui, Kieu-Oanh

Attorney, Agent or Firm

Foreign Patent References

  • 3146468 DE. 06/13/1983
  • 4226589 DE. 02/13/1994
  • PCT/US95/00354 WO. 01/13/1995

International Class

H04N 007/173

Abstract

A set-top electronics and network interface unit arrangement is connected to an internal digital network interconnecting devices in the home. The digital network operates on a single, nomodulated, baseband channel. Entertainment services are introduced into the network through network interface units that are coupled to an external network and to the internal network. The network interface units perform the necessary interfacing between the external and internal networks, and make the entertainment services available to all terminals connected to the internal network. Set-top electronics that are separate from the network interface units connect to the internal network and convert the information in the digital data stream for display, by a television, for example.

Other References

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  • Text of Examination, English Translation, Decision of First Patent Examination By National Bureau of Standards, Ministry of Economic Affair
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