A TV STB and its method for displaying CA card state

A technology for TV sets and set-top boxes, which is applied in the parts of color TVs, parts of TV systems, TVs, etc., can solve the problems of lack of CA card status information and complexity.
CN101267499BActive Publication Date: 2010-12-01SHENZHEN COSHIP ELECTRONICS CO LTD
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
SHENZHEN COSHIP ELECTRONICS CO LTD
Publication Date
2010-12-01

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Abstract

The invention discloses a television set-top box and a method for displaying CA card state by the television set-top box. In the embodiment of the invention, the television set-top box comprises a CA card information acquiring unit and a CA card information display unit, the CA card information acquiring unit is used for reading the state information of a CA card through an interface, the CA cardinformation display unit is used for displaying the state information of the CA card read by the CA card information acquiring unit. The display unit of the set-top box can visually display the stateinformation of the CA card, so that a user can monitor the state information of the CA card at any time, such as user account balance, last deduction information, etc.
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Description

A TV set-top box, a method for displaying CA card status in the TV set-top box technical field The invention relates to the technical field of digital TV communication, in particular to a TV set-top box and a method for displaying the state of a CA card in the TV set-top box. Background technique A set-top box (Set-TopBox, STB) is a conversion device that converts digital television signals into analog signals. It decodes and restores digitally compressed image and sound signals, generates analog video and sound signals, and provides high-quality TV programs to viewers through TV monitors and audio equipment. Because the front end of the cable TV receives and transmits digital signals, and the majority of users still use analog TV sets, a set-top box must be installed on the existing analog TV sets as a transition. The set-top box is also a multimedia terminal. It has a hardware architecture similar to that of a home computer and a dedicated real-time operating system and...

Claims

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