Method and apparatus for automatically reading bar code symbols is disclosed. One aspect of the present invention concerns a method of reading bar code symbols using an automatic hand-holdable bar code symbol reading device. In general, the automatic bar code symbol reading device comprises a hand-holdable...http://www.google.com/patents/US5528024?utm_source=gb-gplus-sharePatent US5528024 - Device for selectively reading code symbols in spatially-defined portions of the scan field