A method for scanning and decoding the symbols of a bar code label using a CCD image sensor viewing the bar code, and coupled to a signal processor and memory, wherein initially a start of scan (SOS) first level signal is sent from the processor to the CCD image sensor, a digital data signal representative...http://www.google.de/patents/US5196684?utm_source=gb-gplus-sharePatent US5196684 - Method and apparatus for improving the throughput of a CCD bar code scanner/decoder
