US Patent 7311537 Card connector

A card connector adapted for receiving a card, comprises an insulating housing defining a card receiving space for the card, a plurality of contacts, an ejector for ejecting the card and at least two switch contacts for detecting whether the card is inserted. The ejector comprises a slider defining an original position and a final position, a spring, a holding equipment and a metal plate retained to the slider and moving together with the slider. One of the switch contacts not electrically connecting with the other switch contacts when the slider is at the original position, and all of the switch electrically connecting with each other by simultaneity contacting with the metal plate when the slider is at the final position.