Combination key for use as actuating unit for electronic device e.g. barebone personal computer, has housing with translucent region, and switching component and optical component e.g. infrared transmitter, arranged within holes in housing

摘要

The key has a housing including a translucent region (100), which is made of translucent material e.g. acrylic. Switching and optical components are arranged within holes in the housing. The optical component is an infrared transmitter operated by infrared light, which is modulated with the data to be transmitted. Data is transmitted/received via the translucent region. The housing is provided at a casing of an electronic device.