KR100401481B1 - Apparatus for automatically matching and filtering frequency band for internet service by matv network - Google Patents

Apparatus for automatically matching and filtering frequency band for internet service by matv network Download PDF

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Publication number
KR100401481B1
KR100401481B1 KR1020020026253A KR20020026253A KR100401481B1 KR 100401481 B1 KR100401481 B1 KR 100401481B1 KR 1020020026253 A KR1020020026253 A KR 1020020026253A KR 20020026253 A KR20020026253 A KR 20020026253A KR 100401481 B1 KR100401481 B1 KR 100401481B1
Authority
KR
South Korea
Prior art keywords
internet service
frequency band
matv
network
automatically matching
Prior art date
Application number
KR1020020026253A
Other languages
Korean (ko)
Inventor
Sin Yul Park
Dong Hee Choi
Kyung Keon Park
Original Assignee
Dexter Comm Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dexter Comm Co Ltd filed Critical Dexter Comm Co Ltd
Priority to KR1020020026253A priority Critical patent/KR100401481B1/en
Priority to PCT/KR2003/000937 priority patent/WO2003096566A1/en
Priority to AU2003230332A priority patent/AU2003230332A1/en
Application granted granted Critical
Publication of KR100401481B1 publication Critical patent/KR100401481B1/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0248—Filters characterised by a particular frequency response or filtering method
    • H03H17/0254—Matched filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25—Arrangements specific to fibre transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/10—Adaptations for transmission by electrical cable
    • H04N7/102—Circuits therefor, e.g. noise reducers, equalisers, amplifiers

Abstract

PURPOSE: An apparatus for automatically matching and filtering a frequency band for an Internet service by an MATV(Master Antenna Television) network is provided to offer a good-quality Internet service using an old MATV network. CONSTITUTION: A signal noise processing unit(90) cancels a noise signal included in Internet upward and downward signals transmitted from a user terminal. A CMTS(Cable Modem Termination System) interface unit(135) receives the change of an upward signal frequency band of an ISP(Internet Service Provider) from a CMTS, and changes an upward signal frequency of the signal noise processing unit(90).
KR1020020026253A 2002-05-13 2002-05-13 Apparatus for automatically matching and filtering frequency band for internet service by matv network KR100401481B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020020026253A KR100401481B1 (en) 2002-05-13 2002-05-13 Apparatus for automatically matching and filtering frequency band for internet service by matv network
PCT/KR2003/000937 WO2003096566A1 (en) 2002-05-13 2003-05-12 Automatic frequency badwidth matching and noise filtering for internet service of master antenna television network
AU2003230332A AU2003230332A1 (en) 2002-05-13 2003-05-12 Automatic frequency badwidth matching and noise filtering for internet service of master antenna television network

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020020026253A KR100401481B1 (en) 2002-05-13 2002-05-13 Apparatus for automatically matching and filtering frequency band for internet service by matv network

Publications (1)

Publication Number Publication Date
KR100401481B1 true KR100401481B1 (en) 2003-10-10

Family

ID=29417351

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020020026253A KR100401481B1 (en) 2002-05-13 2002-05-13 Apparatus for automatically matching and filtering frequency band for internet service by matv network

Country Status (3)

Country Link
KR (1) KR100401481B1 (en)
AU (1) AU2003230332A1 (en)
WO (1) WO2003096566A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6137793A (en) * 1997-12-05 2000-10-24 Com21, Inc. Reverse path multiplexer for use in high speed data transmissions
US6065061A (en) * 1997-12-16 2000-05-16 Lucent Technologies Inc. Internet protocol based network architecture for cable television access with switched fallback
US6385773B1 (en) * 1999-01-07 2002-05-07 Cisco Techology, Inc. Method and apparatus for upstream frequency channel transition

Also Published As

Publication number Publication date
WO2003096566A1 (en) 2003-11-20
AU2003230332A1 (en) 2003-11-11

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