Validity Report
Basic Report
US7295518B1 — Broadband network for coaxial cable using multi-carrier modulation
Priority Date: 2001-08-30, Publication Date: 2007-11-13, Current Assignee: Entropic Communications LLCReport Generated: 2023-03-07
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Patent Id
Score
Title
Patent Type
Publication Date
Priority Date
Search Efficiency
Original Assignee
Current Assignee
EP1248412A2●●●●●Communications system and method for providing wireless signals to a group of mobile subscribersGRANT2002-10-092001-04-04GreatUnique Broadband Systems IncUnique Broadband Systems Inc
US6637030B1●●●●●Broadband cable television and computer networkGRANT2003-10-211997-04-09GreatMicron Technology IncRound Rock Research LLC, Mei California Inc
US6622304B1●●●●●Interface system for computing apparatus and communications stationsGRANT2003-09-161996-09-09Great
US8296817B2●●●●●Apparatus for transporting home networking frame-based communications signals over coaxial cablesGRANT2012-10-232001-05-17GreatBroadcom CorpAvago Technologies International Sales Pte Ltd
EP1135931A2●●●●●ENTERTAINMENT AND COMPUTER COAXIAL NETWORK AND METHOD OF DISTRIBUTING SIGNALS THERETHROUGHGRANT2001-09-261998-11-09GreatPeracom Networks IncPeracom Networks Inc
US6453473B1●●●●●Access device and system for managing television and data communications through a cable television networkGRANT2002-09-171998-09-15Great
US5499241A●●●●●Broadband communications systemGRANT1996-03-121993-09-17GreatScientific Atlanta LLCCisco Technology Inc
EP0783809B1●●●●●HYBRID FIBER/COAX VIDEO AND TELEPHONY COMMUNICATION SYSTEMGRANT1999-11-241994-09-26GreatADC Telecommunications IncCommscope Connectivity LLC
EP0835565A1●●●●●GROUP MODULATOR FOR A BROADBAND COMMUNICATIONS SYSTEMGRANT1998-04-151995-06-30GreatScientific Atlanta LLCScientific Atlanta LLC
US6040759A●●●●●Communication system for providing broadband data services using a high-voltage cable of a power systemGRANT2000-03-211998-02-17GreatIBEC HOLDINGS IncIBEC HOLDINGS Inc
US5255267A●●●●●Apparatus for combining broadband and baseband signal transmissionsGRANT1993-10-191992-03-09GreatFirst Pacific Networks IncTECHNOLOGIES FUTURES Inc D/B/A ORION TECHNOLOGY
US6848116B1●●●●●Method and apparatus for on-demand video program access control using integrated out-of-band signaling for channel selectionGRANT2005-01-251999-01-13GreatITT Manufacturing Enterprises LLCExelis Inc
US5594726A●●●●●Frequency agile broadband communications systemGRANT1997-01-141993-09-17GreatScientific Atlanta LLCCisco Technology Inc
EP0922341A2●●●●●IMPROVEMENTS IN  OR RELATING TO  MULTI-CARRIER TRANSMISSION SYSTEMSGRANT1999-06-161996-09-02GreatTelia ABSTMicroelectronics NV
US6014545A●●●●●Growable architecture for high-speed two-way data services over CATV networksGRANT2000-01-111997-03-27GreatIndustrial Technology Research Institute ITRIIndustrial Technology Research Institute ITRI
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Predictive Analytics

Composite Research Score (1-10)
7
  MODERATE
Art VolumeHIGH
Tech ComplexityINTRICATE
Priority DateMID
Tech DiversityNARROW
Expert Services Estimate$3,750 — $4,200
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Preview CPC Technology Profile

Possible Classes
870
Recommended Classes
218
Government Assigned Classes
7
CPC
Title
Score
H04L5/0046Determination of how many bits are transmitted on different sub-channels●●●●●
H04N7/17309Transmission or handling of upstream communications●●●●●
H04L27/2614Peak power aspects●●●●●
H04N21/2383Channel coding | or modulation|  of digital bit-stream  e.g. QPSK modulation | arrangements for detecting or preventing errors in the information received by adapting the channel coding | (ref: H04L1/0009)| | analogue front ends or means for connecting modulators  demodulators or transceivers to a transmission line | (ref: H04L27/0002)●●●●●
H04L5/006Quality of the received signal  e.g. BER  SNR  water filling●●●●●
H04L27/26Systems using multi-frequency codes | (ref: H04L27/32)|  takes precedence●●●●●
H04B3/542the information being in digital form●●●●●
H04B3/54Systems for transmission via power distribution lines●●●●●
H04L27/261Details of reference signals | (ref: H04L27/262)|  takes precedence●●●●●
H04N7/10Adaptations for transmission by electric cable | (ref: H04N7/12)|  takes precedence| | transmission by lines | (ref: H04B3/00)| | wired broadcast systems | (ref: H04H20/76)| | CATV [Community Antenna Television] systems | (ref: H04H20/78)●●●●●
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