Method and apparatus for preventing contents from being recorded by external device
First Claim
1. An apparatus for preventing contents from being recorded by an external device in a digital broadcasting receiver, the apparatus comprising:
- a code generator for generating an identification code capable of identifying the digital broadcasting receiver;
an output port for outputting received digital broadcasting data to the external device; and
a processor for controlling the identification code to be output together with the digital broadcasting data, if the digital broadcasting data is output to the external device through the output port.
1 Assignment
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Accused Products
Abstract
Disclosed are a method and an apparatus for preventing contents from being recorded by an external device. A digital broadcasting receiver capable of reproducing a broadcasting transmits a watermark together with broadcasting data, thereby preventing unauthorized copying. If contents transmitted by a broadcasting provider are displayed through an external monitor such as a general TV in the case of digital multimedia broadcasting (DMB), the copying of the contents may be performed without any restrictions. Accordingly, in view of content protection mechanism, a unique code is produced only when the DMB data is transmitted to an external device, the digital broadcasting receiver and the DMB data can be traced.
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Citations
15 Claims
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1. An apparatus for preventing contents from being recorded by an external device in a digital broadcasting receiver, the apparatus comprising:
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a code generator for generating an identification code capable of identifying the digital broadcasting receiver;
an output port for outputting received digital broadcasting data to the external device; and
a processor for controlling the identification code to be output together with the digital broadcasting data, if the digital broadcasting data is output to the external device through the output port. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for preventing contents from being recorded by an external device in a digital broadcasting receiver capable of connecting with the external device, the method comprising the steps of:
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determining a connection state with the external device;
synthesizing a video signal of received digital broadcasting with an identification code for identifying the digital broadcasting receiver if it is determined that the connection with the external device is achieved; and
outputting the synthetic signal to the external device. - View Dependent Claims (12)
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13. A method for preventing contents from being recorded by an external device in a digital broadcasting receiver capable of connecting with the external device, the method comprising the steps of:
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determining whether an internal display mode is set or an external display mode is set;
synthesizing a video signal corresponding to received digital broadcasting with an identification code for identifying the digital broadcasting receiver, if it is determined that the external display mode is set; and
outputting the synthesized signal to the external device. - View Dependent Claims (14, 15)
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Specification