Patent ID: 7258278

Claim:
An electronic module reader comprising: a housing having a receiving area adapted to removably receive an electronic module; electrical signal contacts connected to the housing; and a module detection and ejection pre-warning switch, wherein the switch is adapted to be contacted by the electronic module in the receiving area, wherein the switch is adapted to signal presence and absence of the electronic module in the receiving area, and adapted to signal movement of the electronic module from a home mated position with the electrical signal contacts towards an electrically disconnected position, wherein the switch comprises a movable contact arm adapted to alternatively make electrical contact with two spaced contact areas of the switch, wherein the switch is adapted to be OFF at a home mated position of the switch when the electronic module is located at the home mated position in the receiving area, and wherein the switch is adapted to be in an unmated ON position when the electronic module is not connected to the reader.