50mm diameter ring type encoder for dial-type controls
Dial-type devices have often been used in the past for car air conditioning and audio system controls. These devices are often designed to enable embedding of a control switch or a small LCD in the center of the dial. But design freedom cannot be enhanced without widening the device’s inside diameter (central opening). Space around the control panel is limited, hence, opening up the inner diameter is one way to make some room for an extra switch, LEDs or a small LCD, while retaining the same external dimensions. The EC50A Series is claimed to be the industry’s first 50mm ring type encoder, with a large 37mm inside diameter that provides a central opening around twice as large as Alps’ earlier product. The EC50A Series also has a guide formed on the inner wall to reduce rattle when the customer attaches a knob. Furthermore, original mechanical design and precision processing technologies were applied to achieve a premium operating feel.
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