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Patent Searching and Data


Title:
DIGITAL VIDEO EXCHANGE SYSTEM
Document Type and Number:
Japanese Patent JP3407919
Kind Code:
B2
Abstract:

PURPOSE: To obtain a digital video exchange system with high utility by which integrated service information as the system is served to subscribers.
CONSTITUTION: A digital video exchange controller 2 uses a memory (service information table) 41 to manage centralizing various information such as service information or charging information served to subscribers of each video terminal equipment 1 from each video service station 3 and a timer for idle time detection of video control channel detects a time zone when a subscriber views one video channel consecutively (not using a video control channel) and uses the zone to serve various information of the service information table to the subscriber terminal equipment 1.


Inventors:
Hironori Terauchi
Eiji Maekawa
Application Number:
JP4001893A
Publication Date:
May 19, 2003
Filing Date:
March 01, 1993
Export Citation:
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Assignee:
Mitsubishi Electric Corporation
Nippon Telegraph and Telephone Corporation
International Classes:
H04N7/025; H04N7/03; H04N7/035; H04N7/08; H04N7/16; H04N7/173; H04N7/18; H04N21/222; H04N21/235; H04N21/24; (IPC1-7): H04N7/16; H04N7/025; H04N7/03; H04N7/035
Domestic Patent References:
JP6096974A
JP6096978A
JP62141876A
JP5647182A
Attorney, Agent or Firm:
Kaneo Miyata (1 person outside)