GB2387981B - Scanning for satellite digital data carriers - Google Patents

Scanning for satellite digital data carriers

Info

Publication number
GB2387981B
GB2387981B GB0127089A GB0127089A GB2387981B GB 2387981 B GB2387981 B GB 2387981B GB 0127089 A GB0127089 A GB 0127089A GB 0127089 A GB0127089 A GB 0127089A GB 2387981 B GB2387981 B GB 2387981B
Authority
GB
United Kingdom
Prior art keywords
scanning
digital data
data carriers
satellite digital
satellite
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
Application number
GB0127089A
Other versions
GB2387981A (en
GB0127089D0 (en
Inventor
Tom Goodwin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Arris Global Ltd
Original Assignee
Pace Micro Technology PLC
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 Pace Micro Technology PLC filed Critical Pace Micro Technology PLC
Priority to GB0127089A priority Critical patent/GB2387981B/en
Publication of GB0127089D0 publication Critical patent/GB0127089D0/en
Publication of GB2387981A publication Critical patent/GB2387981A/en
Application granted granted Critical
Publication of GB2387981B publication Critical patent/GB2387981B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/50—Tuning indicators; Automatic tuning control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/18—Automatic scanning over a band of frequencies
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H03L7/12—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a scanning signal
    • 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
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4383—Accessing a communication channel
    • 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
    • H04N21/6143—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via a satellite
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/095—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using a lock detector
    • 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
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44209—Monitoring of downstream path of the transmission network originating from a server, e.g. bandwidth variations of a wireless network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
GB0127089A 2001-11-10 2001-11-10 Scanning for satellite digital data carriers Expired - Fee Related GB2387981B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0127089A GB2387981B (en) 2001-11-10 2001-11-10 Scanning for satellite digital data carriers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0127089A GB2387981B (en) 2001-11-10 2001-11-10 Scanning for satellite digital data carriers

Publications (3)

Publication Number Publication Date
GB0127089D0 GB0127089D0 (en) 2002-01-02
GB2387981A GB2387981A (en) 2003-10-29
GB2387981B true GB2387981B (en) 2005-05-18

Family

ID=9925586

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0127089A Expired - Fee Related GB2387981B (en) 2001-11-10 2001-11-10 Scanning for satellite digital data carriers

Country Status (1)

Country Link
GB (1) GB2387981B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0834991A1 (en) * 1996-10-02 1998-04-08 Irdeto B.V. Method for automatically searching a frequency range for signal channels in a receiver for digitally modulated signals, and receiver for applying such a method
US20010024479A1 (en) * 2000-03-22 2001-09-27 Samarasooriya Vajira N. S. Method and system for carrier recovery

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0834991A1 (en) * 1996-10-02 1998-04-08 Irdeto B.V. Method for automatically searching a frequency range for signal channels in a receiver for digitally modulated signals, and receiver for applying such a method
US20010024479A1 (en) * 2000-03-22 2001-09-27 Samarasooriya Vajira N. S. Method and system for carrier recovery

Also Published As

Publication number Publication date
GB2387981A (en) 2003-10-29
GB0127089D0 (en) 2002-01-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20111110