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    • 4. 发明申请
    • Method of scanning channel of digital television
    • 扫描数字电视频道的方法
    • US20050054345A1
    • 2005-03-10
    • US10898962
    • 2004-07-27
    • Young-jin Lee
    • Young-jin Lee
    • H04N5/44H04N5/50H04Q7/20
    • H04N5/46H04N5/4401H04N5/50H04N21/4383
    • A method of scanning channels in a digital television including (a) setting a starting frequency; (b) searching for a first available digital channel by searching a search frequency that is the starting frequency; adding a predetermined scan step to said search frequency if the first available channel is not found at the starting frequency, and adding additional predetermined scan steps to the search frequency until the first available channel is found if the first available channels is not found at the starting frequency plus the scan step; and (c) searching for a second available digital channel by searching at a first main frequency, which is the first available channel frequency plus a first predetermined bandwidth, wherein the step of searching for the second available digital channel includes searching at a plurality of scan steps around the first main frequency.
    • 一种扫描数字电视中的频道的方法,包括:(a)设定起始频率; (b)通过搜索作为起始频率的搜索频率来搜索第一可用数字频道; 如果在起始频率处没有找到第一可用信道,则将预定的扫描步骤添加到所述搜索频率,以及如果在起始处没有找到第一可用信道,则向搜索频率添加额外的预定扫描步骤直到找到第一可用信道 频率加扫描步长; 以及(c)通过以第一主频率搜索第一可用信道频率加第一预定带宽来搜索第二可用数字信道,其中搜索第二可用数字信道的步骤包括在多个扫描中搜索 围绕第一个主要频率。