CA2392683A1 - Rf back channel for dtv - Google Patents
Rf back channel for dtv Download PDFInfo
- Publication number
- CA2392683A1 CA2392683A1 CA002392683A CA2392683A CA2392683A1 CA 2392683 A1 CA2392683 A1 CA 2392683A1 CA 002392683 A CA002392683 A CA 002392683A CA 2392683 A CA2392683 A CA 2392683A CA 2392683 A1 CA2392683 A1 CA 2392683A1
- Authority
- CA
- Canada
- Prior art keywords
- vsb
- digital
- digital vsb
- downstream
- upstream
- 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.)
- Abandoned
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
- H04L27/04—Modulator circuits; Transmitter circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
- H04N21/42607—Internal components of the client ; Characteristics thereof for processing the incoming bitstream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
- H04N21/6118—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving cable transmission, e.g. using a cable modem
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6156—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network
- H04N21/6168—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network involving cable transmission, e.g. using a cable modem
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Time-Division Multiplex Systems (AREA)
- Communication Control (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US47667399A | 1999-12-30 | 1999-12-30 | |
US09/476,673 | 1999-12-30 | ||
PCT/US2000/032268 WO2001050757A1 (en) | 1999-12-30 | 2000-11-21 | Rf back channel for dtv |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2392683A1 true CA2392683A1 (en) | 2001-07-12 |
Family
ID=23892792
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002392683A Abandoned CA2392683A1 (en) | 1999-12-30 | 2000-11-21 | Rf back channel for dtv |
Country Status (8)
Country | Link |
---|---|
KR (1) | KR20020067923A (es) |
AR (1) | AR028885A1 (es) |
AU (1) | AU1662701A (es) |
BR (1) | BR0016856A (es) |
CA (1) | CA2392683A1 (es) |
MX (1) | MXPA02006552A (es) |
TW (1) | TW506221B (es) |
WO (1) | WO2001050757A1 (es) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6940936B2 (en) * | 2001-11-26 | 2005-09-06 | Thomson Licensing S.A. | Alternate timing signal for a vestigial sideband modulator |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5535206A (en) * | 1994-11-14 | 1996-07-09 | Zenith Electronics Corporation | Upstream data transmission system for cable television |
GB9602809D0 (en) * | 1996-02-12 | 1996-04-10 | Northern Telecom Ltd | A bidirectional communications network |
US6154095A (en) * | 1997-02-27 | 2000-11-28 | Seiko Epson Corporation | Phase locked loop clock source provided with a plurality of frequency adjustments |
-
2000
- 2000-11-21 WO PCT/US2000/032268 patent/WO2001050757A1/en active Application Filing
- 2000-11-21 KR KR1020027008319A patent/KR20020067923A/ko not_active Application Discontinuation
- 2000-11-21 CA CA002392683A patent/CA2392683A1/en not_active Abandoned
- 2000-11-21 AU AU16627/01A patent/AU1662701A/en not_active Abandoned
- 2000-11-21 BR BR0016856-4A patent/BR0016856A/pt not_active Application Discontinuation
- 2000-11-21 MX MXPA02006552A patent/MXPA02006552A/es unknown
- 2000-12-05 TW TW089125883A patent/TW506221B/zh not_active IP Right Cessation
- 2000-12-12 AR ARP000106576A patent/AR028885A1/es unknown
Also Published As
Publication number | Publication date |
---|---|
MXPA02006552A (es) | 2003-04-10 |
WO2001050757A1 (en) | 2001-07-12 |
AR028885A1 (es) | 2003-05-28 |
TW506221B (en) | 2002-10-11 |
AU1662701A (en) | 2001-07-16 |
KR20020067923A (ko) | 2002-08-24 |
BR0016856A (pt) | 2002-09-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FZDE | Discontinued | ||
FZDE | Discontinued |
Effective date: 20041122 |