Lighting and hand-supportable imaging-based bar code symbol reading apparatus for supporting a narrow area and wide area mode of image capture

摘要

[MEANS FOR SOLVING PROBLEMS] hand - support portable digital imaging-based bar code symbol reading device, range detection subsystem and IR-based object presence; multi that has a wide area image capture mode and narrow area of ​​operations - detection subsystem mode and area-type image formation; - buffering and image capture ring; lighting control sub-system and automatic exposure measurement mode LED-based illumination subsystem multi has a wide area illumination mode and narrow area of ​​operations system control subsystem integrated with each of the sub-system described above and; mode image processing bar code symbol reading subsystem - Multi; input-output subsystem; manually bootable trigger switch; system mode setting parameter table subsystem I have a system. Bar code reading devices may operate and set in the programmable multiple modes of system operation in order to automatically read the 2D bar code symbology, and 1D at high speed using the high mode of the image processing in the image captured I could. [Selection Figure] Figure 1A