Retractable platform with wireless electrical interface

摘要: A retractable platform allows communication to be established with an electronic device, such as a computer expansion card. The is preferably slidably attached the device and includes wireless interface that between established. may use optical coupling, inductive capacitive coupling or other suitable non-mechanical allow device. Advantageously, can removed replaced, which virtually eliminates breakage, it easily repaired, upgraded, like. also include circuitry components process condition incoming outgoing signal.