Method for monitoring the fillings of sealed tablet packs

摘要

In the method for monitoring the fillings of a sealed tablet pack in blister form made from thermoformed plastic film having a seal of aluminium foil, the plastic film is transirradiated by infrared light, the reflected light is scanned by an optoreceiver and a raster-type grey level image is produced. The grey level image is evaluated by means of a microcomputer, and the result of evaluation is compared with a desired value.