The card edge connector comprises an insulative housing with a number of terminals retained therein, and a pair of ejector mechanisms pivotally attached to opposite ends of the housing. The storing is storing a plurality of images having at least a first image in storage. Energy in the signal at frequencies smaller than F10 is substantially attenuated by a special filter, which may be an analog or digital differentiator. The first system can decrypt the decryption control key from the response, using a one-time private key. Light emerging from the optical waveguide element enters into the pointer andor the carrier body, and the pointer is formed such that it is illuminated by light emerging from the optical waveguide element.