1results about How to "Comprehensive adjustment function" patented technology

The utility model describes a knob and sound card, this knob includes: female knob, is equipped with recess; Sub knob is located in recess, and female knob surrounds sub knob. Therefore, the utility model relates to the compact structure of knob, occupies small. The knob is applied on sound card, also can be more suitable for the design of sound card miniaturization, need not to reduce control quantity for the miniaturization of sound card, makes sound card still can have rich adjustment function. In addition, the sound card of miniaturization also can reduce the production manufacturing cost, also can make sound card whole more small and exquisite, portable.