The invention relates to a device and a process for acquiring bichromatic bar codes, with a two-dimensional sensor with electronic scanning. The height Hy of the scanned portion is modified between at least two successive scanning operations. Thus, the device is or may be adapted to the type and/or to...http://www.google.com.au/patents/US6732930?utm_source=gb-gplus-sharePatent US6732930 - Optoelectronic device and process for acquiring symbols, such as bar codes, using a two-dimensional sensor
