Title:
A METHOD FOR RETRIEVING SERVICE INFORMATION DATA
Document Type and Number:
WIPO Patent Application WO/2005/109867
Kind Code:
A1
Abstract:
This invention discloses a method for retrieving service information data. The service information data is used for storing and managing the network information, transport stream information and service information applied for digital television application; and it can be conveniently added or extracted via application interface. All the data in database is stored in the form of tables, which comprise device context table, network table, transport stream table, service information table, channel number table, string table and private data table. All the tables are related to ID and key. The method use the direct index strategy, so it can retrieve or locate data in tables quickly and conveniently. It has advantage in speed in comparing with storing the data in the form of list and also resolves the problem that it can not define variable length data blocks in the case of storing the data in the form of array.
Inventors:
LIAO HONGTAO (CN)
LIU XUN (CN)
SUN HAISHENG (CN)
LIU XUN (CN)
SUN HAISHENG (CN)
Application Number:
PCT/CN2005/000623
Publication Date:
November 17, 2005
Filing Date:
May 08, 2005
Export Citation:
Assignee:
SHANGHAI HIGH DEFINITION INNOV (CN)
YINCASOFT CO LTD (CN)
LIAO HONGTAO (CN)
LIU XUN (CN)
SUN HAISHENG (CN)
YINCASOFT CO LTD (CN)
LIAO HONGTAO (CN)
LIU XUN (CN)
SUN HAISHENG (CN)
International Classes:
G06F17/30; H04N7/173; (IPC1-7): H04N5/445
Foreign References:
| JPH11112899A | 1999-04-23 | |||
| CN1307429A | 2001-08-08 | |||
| JPH11220703A | 1999-08-10 | |||
| JP2004120115A | 2004-04-15 |
Attorney, Agent or Firm:
BOSS & YOUNG PATENT & TRADEMARK LAW OFFICE (No. 36 Xiaoyun Road Chaoyang District, Beijing 7, CN)
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