Special TV program distinguishing method and device

Application Number: 00102846
Application Date: 2000.03.07
Publication Number: 1312645
Publication Date: 2001.09.12
Priority Information:
International: H04N5/44
Applicant(s) Name: TCL King Electronics (Shenzhen) Co., Ltd.
Inventor(s) Name: Huang Kaihua
Patent Agency Code: 11127
Patent Agent: han piaoyang
Abstract The present invention relates to a method for identifying TV special program, filtering method and its equipment, including original tuning unit, controller, interconnection bus and added or dual-purpose mnemonic key, A/D converter, nonvolatile memory, comparator, timer and data bus. The A/D converter is connected with decoder or analog signal outputted by video signal source. Its identification method includes the following steps: operating mnemonic key to make the equipment come into mnemonic state; sampling special program, A/D converting, storing and recording time length; under the filtering condition comparing current program with remembrred program and making judgement, when they are identical, converting program and checking time legnth, finally prompting user to make receiving selection.