A new method and system for bar code data interchange includes a bar code scanner, such as a high scan rate LED scanner, and reads bar coded information from a video display. This bar coded information is scanned from the video display into a host device. The bar coded information may be sent to a user...http://www.google.es/patents/US7934641?utm_source=gb-gplus-sharePatente US7934641 - Method and apparatus for bar code data interchange
Method and apparatus for bar code data interchange