Position detector for tone arm
专利汇可以提供Position detector for tone arm专利检索，专利查询，专利分析的服务。并且PURPOSE: To determine the drop point of a tone arm accurately, by correcting the shift in reference origin position of the tone arm, set mechanically, through electric signal processing.
CONSTITUTION: In the electronic control type record player, system control circuit 11 having program control functions by a microprocessor, etc., exercises program control over tone arm 100. For this purpose, the horizontal control system consisting of horizontal drive control circuit 20, horizontal speed detector 60 and horizontal position detector 80, and the vertical control system consisting of vertical drive control circuit 30, vertical speed detector 70 and vertical position 90 are provided. Then, horizontal driving motor 40 in the horizontal control system performs horizontal driving operations such as lead-in operation and lead-out operation of tone arm 100, and vertical driving motor 50 in the vertical control system performs vertical operations such as the up operation and down operation of tone arm 100. For executing automatic play, operation mode setter 13 and inter-music gap detector 10 are proviced. In the figure, 1 is an A/D converting circuit, anc 17 a stylus force applying circuit.
COPYRIGHT: (C)1981,JPO&Japio，下面是Position detector for tone arm专利的具体信息内容。
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