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 Digital/analog television signal receiving set

Details
Inventors: Onomatsu, Takehiro;
Assignee: Funai Electric Co., Ltd. (JP)
Primary Examiner: Kostak; Victor R.
Assistant Examiner:
Attorney, Agent or Firm: Osha Liang LLP

The digital/analog television signal receiving set 10 includes a tuner 12, and the tuner 12 receives television signals of ATSC system and NTSC system. In the case of automatic scanning, a virtual channel table with respect to television signals of ATSC system capable of being received is stored in the memory 28. A channel number of television signals of NTSC system capable of being received is stored in the memory 28. Successively, it is detected whether or not an analog television channel described on the virtual channel table stored in the memory 28 can be received. When it is possible to receive the analog television channel, the channel number of the television signal of NTSC system is deleted from the memory 28. However, when it is possible to receive the analog television channel, the analog television channel included on the virtual channel table is deleted from the memory 28.

DETAILED DESCRIPTION It is a primary object of the present invention to provide a digital/analog television signal receiving set capable of simply conducting tuning of a desired television channel.
[Means for Solving the Problems] The first invention provides a digital/analog television signal receiving set capable of receiving signals of ATSC system and NTSC system comprising: a first storage member for storing a virtual channel of television signals of ATSC system capable of being received; a second storage member for storing a first analog television channel of television signals of NTSC system capable of being received; a detecting member for detecting a state of receiving a second analog television channel included in the virtual channel when automatic scanning is conducted; a first deletion member for deleting the first analog television channel when the state of receiving shows that it can be received; and a second deletion member for deleting the second analog television channel when the state of receiving shows that it can not be received.
The, second invention provides a digital/analog television signal receiving set capable of receiving signals of ATSC system and NTSC system comprising: a first storage member for storing a virtual channel of television signals of ATSC system capable of being received; a second storage member for storing a first analog television channel of television signals of NTSC system capable of being received; a detecting member for detecting a state of receiving a second analog television channel included in the virtual channel table; and a deletion member for deleting one of the first and the second analog television channel according to the state of receiving.
In this digital/analog television signal receiving set, for example, it is possible for one tuner to receive television signals of the digital and the analog format such as ATSC system and NTSC system.
When a user inputs a command of automatic scanning, television signals of ATSC system are searched in the order of a channel, the number of which is small, and a table of a virtual channel of the television signals capable of being received is stored in the first storage member such as a memory


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