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 PDFInfo
- 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
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).
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)
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 |
-
2002
- 2002-05-13 KR KR1020020026253A patent/KR100401481B1/en not_active IP Right Cessation
-
2003
- 2003-05-12 WO PCT/KR2003/000937 patent/WO2003096566A1/en not_active Application Discontinuation
- 2003-05-12 AU AU2003230332A patent/AU2003230332A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO2003096566A1 (en) | 2003-11-20 |
AU2003230332A1 (en) | 2003-11-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
A302 | Request for accelerated examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20061002 Year of fee payment: 4 |
|
LAPS | Lapse due to unpaid annual fee |