Dock apparatus is provided for the receiving of portable, hand-held data retrieval devices to allow recharging of internal batteries and data communication with centralized computer systems. A frame having electrical contact elements at its inner end receives the hand-held device, which at its lower...http://www.google.es/patents/US5052943?utm_source=gb-gplus-sharePatente US5052943 - Recharging and data retrieval apparatus
