Card reader device for a cell phone and method of use
Card reader for transmission of data by sound
Card reader for transmission of data by sound
Card reader for two kinds of data cards
Card reader including/having a particular card stop
Card reader security system
Card reader separable from host machine
Card reader structure with an axial-rotate joint
Card reader system and method of operation
Card reader with a translucent cover
Card reader with air passage cleaning structure
Card reader with antiabrasion member
Card reader with carriage powered by movement of inserted card
Card reader with carriage powered by movement of inserted card
Card reader with dual-headed card slot
Card reader with multiple chip cards slot opening
Card reader/writer devices and methods
Card reading apparatus having a passive electrical speed control
Card reading device
Card reading device having a multi-functional connector