A hand-held housing contains an image sensor, a processor, a memory, a visual display and input control buttons for recording, storing, displaying and retrieving images from a document, such as a business card. The image sensor generates electrical data signals representative of the image on a document...http://www.google.de/patents/US5278673?utm_source=gb-gplus-sharePatent US5278673 - Hand-held small document image recorder storage and display apparatus
