Method and device for detecting tape edge in magnetic recording and reproducing device
专利汇可以提供Method and device for detecting tape edge in magnetic recording and reproducing device专利检索，专利查询，专利分析的服务。并且PURPOSE: To surely detect a tape edge and to easily design a tape edge detector by detecting the electric resistance value of the tape in a reproducing device, which uses a magnetic tape having a non-recording part whose surface electric resistance value is different from that of a recording part.
CONSTITUTION: When a tape loading is completed, a magnetic tape 2 is brought into contact with guide rolls 10 and 10' of tape guide members 6 and 6', and a circuit is formed from a detecting power source 13 through the tape 2 to the positive input terminal of a comparator 14. Consequently based on the comparison output between the positive input terminal of a comparator 14 and a threshold voltage V
ref , the recording part 3 of the tape can be identified from a non-recording part 4(5). In such a method, the tape edge can be surely detected, the tape edge detecting device can be arbitrarily arranged, and a freedom degree in designing is increased.
COPYRIGHT: (C)1990,JPO&Japio，下面是Method and device for detecting tape edge in magnetic recording and reproducing device专利的具体信息内容。
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