BIOLOGICAL INFORMATION DETECTOR

• Main Authors: KITAJIMA TOSHIHIRO, MURAKAMI EDWARD, YOKOI ATSUYA, MURAKAMI TADAMASA
• Format: Patent
• Language: English; Japanese
• Published: 27.08.2020
• Subjects: DEAF-AID SETS; DIAGNOSIS; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; HUMAN NECESSITIES; HYGIENE; IDENTIFICATION; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS; MEDICAL OR VETERINARY SCIENCE; PUBLIC ADDRESS SYSTEMS; SURGERY

To provide a biological information detector capable of detecting biological information while providing voice.SOLUTION: A biological information detector 100 comprises: a signal generation unit 101 for generating an AC signal having a predetermined frequency fi; an analog circuit 110, which is a circuit configured to include an earphone impedance 104, to which the AC signal generated by the signal generation unit 101 is input and which outputs a voltage between the earphone impedance 104 and another element of the circuit, the voltage including a voltage component corresponding to a variation in the earphone impedance; and a biological information calculation unit 109 for calculating biological information on the basis of the voltage output from the analog circuit 110.SELECTED DRAWING: Figure 1 【課題】音声を提供しながら生体情報を検出することができる生体情報検出装置を提供する。【解決手段】生体情報検出装置１００は、所定の周波数ｆｉを有する交流信号を生成する信号生成部１０１と、イヤホンのインピーダンス１０４を含んで構成される回路であって、信号生成部１０１によって生成された交流信号が入力され、イヤホンのインピーダンス１０４と当該回路の他の素子との間の電圧であって、イヤホンのインピーダンスの変化量に相当する電圧成分を含む電圧を出力するアナログ回路１１０と、アナログ回路１１０から出力された電圧に基づいて、生体情報を算出する生体情報算出部１０９と、を備える。【選択図】図１