| 摘要 |
A work state measurement device comprises an observation timing notifying unit which notifies observation starting timing and observation finishing timing as observation timing to an observer in every preliminarily set time interval, an observation state input unit in which the work state which is observed is divided into a plurality of work state items and an observation state record unit which weights work state items which are inputted in the observation input unit while from observation starting timing to observation finishing timing by information of the work state items which are inputted and records the work state items as observation states. |
