Problem to be solved: to provide a protective device which is provided with a simple detector which is free from a sense of discomfort and has a good workability and can be protected by a simple detection circuit.SolutionA protector body having a transparent body and a pair of fronts supporting the transparent body and a transparent body and a pair of tenths to be supported on one end of the front and right ends of the front and rear ends of the front end of the front end of the front end of the front end of the front end of the front face A detector capable of detecting that a particular location, which is a specific location along the axial direction of the at least one of the appliance bodies, is mounted on the head of the body, and is in contact with the side of the head, and the particular portion is in contact with the side of the head in response to the operation of the detectorA detection circuit for outputting a signal corresponding to or not is provided.Diagram【課題】 着用違和感がなく、作業性の良いめがね型またはゴーグル型の保護具に簡易な検知器を取付け、簡易な検知回路で確実に作業員を保護できる保護具を提供しようとする。【解決手段】 従来の人の頭にかけるレーザ光線作業者用めがね又はゴーグル型保護具に変わって、透明体と該透明体を支持するフロントと該フロントの左右に一端を各々に支持される一対のテンプルとを有する保護具本体と、前記保護具本体を人の頭にかけたときに少なくとも1つの前記テンプルの軸方向に沿った特定の箇所である特定箇所が側頭部に接していることを検知できる検知器と、前記検知器の作動に応じて前記特定箇所が側頭部に接しているか否かに対応する信号を出力する検知回路と、を備えるものとした。【選択図】 図1
