In an exemplary embodiment, a hand-held bar code reader has an elongated hand grip portion and a reader head portion which may be substantially spaced from a bar code data carrier during a reading operation. Light energy is directed outwardly through a window so as to illuminate a bar code sensing region...http://www.google.se/patents/US5095197?utm_source=gb-gplus-sharePatent US5095197 - Instant portable bar code reader
