Digital television receiver, method and apparatus for lock control of recording files

A technology for television receivers and recording files, which is applied to components of color TVs, components of TV systems, and TVs, etc., can solve problems such as user inconvenience, and achieve the effect of simple implementation and adding new functions.

Inactive Publication Date: 2009-04-08
SHENZHEN SKYWORTH DIGITAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when a user records a TV program through a digital TV receiver, the TV program is stored in the memory as a file. No matter whether there is any

Method used

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  • Digital television receiver, method and apparatus for lock control of recording files
  • Digital television receiver, method and apparatus for lock control of recording files
  • Digital television receiver, method and apparatus for lock control of recording files

Examples

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Embodiment Construction

[0021] The present invention utilizes the file access authority attribute of the audio and video files idle and unused that is supported by the operating system of the digital television receiver (such as a set-top box) to realize the purpose of unlocking and controlling playback of the audio and video recording files: for the programs to be recorded, you can It implements locking; for programs that have been recorded, it can be locked and unlocked; for folders, it can be locked and unlocked.

[0022] Moreover, the lock feature is cross-machine, and the recorded programs and folders that have been locked on one digital TV receiver are still locked on another digital TV receiver; and the recorded programs in the locked state are playing and A password must be input when unlocking, and a password must be input when unlocking a locked folder.

[0023] Such as figure 1 As shown, the lock control method for recording files in this implementation is implemented in the following way...

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PUM

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Abstract

The invention discloses a control method for locking and unlocking recorded files by a digital TV receiver. The method uses a recorded file access right attribute in the digital TV receiver to perform control processing of the recorded files, and comprises the following steps: when the access right attribute of the file is read-write permission and a lock control command is a locking command, performance function for changing the file attribute is called to set the file attribute as read-only permission, so as to perform the locking processing; when the access right attribute of the file is the read-only permission and the lock control command is an unlocking command, the performance function for changing file attribute is called to set the file attribute as the read-write permission, so as to perform unlocking processing. The invention further discloses a digital TV receiver and a device for locking and unlocking the recorded files by the digital TV receiver. The method has the advantage of simple, visual and fast operation, and can be widely applied to various digital TV receivers supporting the recording function.

Description

technical field [0001] The invention relates to the file control technology of the digital television receiver, in particular to a method and device for controlling the unlocking and unlocking of recorded files through the digital television receiver, and the digital television receiver using the method. Background technique [0002] Along with the popularization of radio and television networks and the development of digital television technology, digital television receivers (such as set-top boxes) have entered thousands of households and become one of the necessary household appliances in people's daily life. Moreover, the functions of digital TV receivers are becoming more and more powerful. Most of the digital TV receivers on the market can now record audio and video programs played in real time, and store the recorded programs in the form of files in an external memory. [0003] Considering that the content of TV programs varies greatly, some TV programs are not suitab...

Claims

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Application Information

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IPC IPC(8): H04N5/76H04N7/16
Inventor 李海波
Owner SHENZHEN SKYWORTH DIGITAL TECH CO LTD
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