A miniature high speed bar code scanning element is housed within an industry standard PCMCIA card for implementation in personal computing devices. In one embodiment, the scan element is mounted on the exterior of the card for pivotal movement about vertical and horizontal axes....http://www.google.com.au/patents/US5468952?utm_source=gb-gplus-sharePatent US5468952 - Miniature high speed scan element mounted on a personal computer interface card
