DEVICE FOR COUNTING NUMBER OF MEDICINES IN MEDICINE PACKAGING ENVELOPE

摘要

PROBLEM TO BE SOLVED: To provide a device for counting the number of medicines in a medicine packaging envelope which can surely count the number of medicines in the medicine packaging envelope irrespective of a size of an information identification portion constituted of a character, a graphic pattern or the like indicated on the medicine packaging envelope.SOLUTION: The device for counting the number of medicines in a medicine packaging envelope which counts the number of medicines sealed in a pouch portion of the medicine packaging envelope, wherein the pouch portion is formed by sealing peripheries of sheets which allow the transmission of near infrared rays therethrough in an overlapping manner, and the overlapped sheets includes an information identification portion, the device for counting the number of medicines includes: an illumination part which is configured to irradiate near infrared rays toward a sheet surface of the medicine packaging envelope; an imaging part which is arranged at a position where the near infrared rays which pass through the medicine packaging envelope are received, and is configured to image the medicine packaging envelope; and a medicine counting unit which is configured to count the number of medicines based on a gray image from the imaging part, wherein the imaging part includes a visible light cut filter in a light receiving part thereof, and the visible light cut filter is configured to prevent a reflection light which is formed by the reflection of the visible light on the medicine packaging envelope from being incident on the imaging part.