CN2612188Y - 具有频道分级选择功能的可寻址分支器 - Google Patents
具有频道分级选择功能的可寻址分支器 Download PDFInfo
- Publication number
- CN2612188Y CN2612188Y CNU032258143U CN03225814U CN2612188Y CN 2612188 Y CN2612188 Y CN 2612188Y CN U032258143 U CNU032258143 U CN U032258143U CN 03225814 U CN03225814 U CN 03225814U CN 2612188 Y CN2612188 Y CN 2612188Y
- Authority
- CN
- China
- Prior art keywords
- switch
- frequency
- splitter
- radio
- radio frequency
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/166—Passage/non-passage of the television signal, e.g. jamming, band suppression
-
- 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
-
- 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
- H04N7/104—Switchers or splitters
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Details Of Television Systems (AREA)
Abstract
Description
Claims (4)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU032258143U CN2612188Y (zh) | 2003-04-29 | 2003-04-29 | 具有频道分级选择功能的可寻址分支器 |
US10/827,560 US20040221318A1 (en) | 2003-04-29 | 2004-04-19 | Addressable tap with channel tier functions |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU032258143U CN2612188Y (zh) | 2003-04-29 | 2003-04-29 | 具有频道分级选择功能的可寻址分支器 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2612188Y true CN2612188Y (zh) | 2004-04-14 |
Family
ID=32875153
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU032258143U Expired - Fee Related CN2612188Y (zh) | 2003-04-29 | 2003-04-29 | 具有频道分级选择功能的可寻址分支器 |
Country Status (2)
Country | Link |
---|---|
US (1) | US20040221318A1 (zh) |
CN (1) | CN2612188Y (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101452013B (zh) * | 2009-01-04 | 2012-07-18 | 信息产业部通信计量中心 | 开关滤波器阵列箱系统 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8132222B2 (en) * | 2007-11-20 | 2012-03-06 | Commscope, Inc. Of North Carolina | Addressable tap units for cable television networks and related methods of remotely controlling bandwidth allocation in such networks |
US8566896B2 (en) * | 2009-10-23 | 2013-10-22 | Commscope, Inc. Of North Carolina | Addressable network interface units suitable for use in FTTX and RFOG networks and related methods of controlling bandwidth allocation and identifying noise sources in such networks |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5014309A (en) * | 1988-03-10 | 1991-05-07 | Scientific-Atlanta, Inc. | Off-premises cable television channel interdiction method and apparatus |
US5303295A (en) * | 1988-03-10 | 1994-04-12 | Scientific-Atlanta, Inc. | Enhanced versatility of a program control by a combination of technologies |
US5311325A (en) * | 1992-06-10 | 1994-05-10 | Scientific Atlanta, Inc. | Method and apparatus for providing periodic subscription television services |
US7743401B2 (en) * | 1999-11-18 | 2010-06-22 | Scientific-Atlanta, Inc. | Systems and methods of decoding and processing transactions for an addressable cable television tap |
WO2003005611A2 (en) * | 2001-07-05 | 2003-01-16 | Wave7 Optics, Inc. | System and method for communicating optical signals to multiple subscribers having various bandwidth demands connected to the same optical waveguide |
-
2003
- 2003-04-29 CN CNU032258143U patent/CN2612188Y/zh not_active Expired - Fee Related
-
2004
- 2004-04-19 US US10/827,560 patent/US20040221318A1/en not_active Abandoned
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101452013B (zh) * | 2009-01-04 | 2012-07-18 | 信息产业部通信计量中心 | 开关滤波器阵列箱系统 |
Also Published As
Publication number | Publication date |
---|---|
US20040221318A1 (en) | 2004-11-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: HENGSHENG CO., LTD. Free format text: FORMER OWNER: SHI ZHIZHOU; PATENTEE Effective date: 20061027 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20061027 Address after: Samoa Savoy island in Apia baodeli reputation through the Office Patentee after: Hengsheng Co. Ltd. Address before: 518028 Lai Lake Garden, 1068 Lai Lai Road, Guangdong, Shenzhen B 10F Co-patentee before: Zhang Yongliang Patentee before: Shi Zhizhou |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040414 |