| 摘要 |
PURPOSE:To eliminate the variage of resonance characteristic of a reproducing device and to to obtain a good detection signal by controlling the device so that attaching position relations of a pickup stylus and a detector to a housing are always uniform. CONSTITUTION:If attaching relations of a pickup stylus 1 and a detecting part 3 to a housing 4 are not fixed, the resonance characteristic is changed, and a resonance friquency f0 is changed simultaneously. In this reproducing device, the pickup stylus 1 and the detecting part 3 are joined into one body so that attaching position relations of them are fixed, and projecting parts 5 are provided, and contacting parts 6 are provided additionally in a pickup supporting structure body 2 as one body so that they are brought into contact with projecting parts 5 when the pickup supporting structure body 2 is attached to the housing 4. When the pickup supporting structure body 2 and the detecting part 3 are attached to the housing 4, projecting parts 5 and contacting parts 6 are brought into the contact with each other. Since attaching position relations of the pickup stylus 1 and the detecting part 3 are always fixed in this manner, the resonance characteristic (resonance frequency) of a resonance circuit is always f0. |
