Patent ID: 8663119

Claim:
A wrist sphygmomanometer attachable to a user's wrist, the wrist sphygmomanometer comprising: an operation unit operable by the user; a manometer that measures blood pressure; a detector that detects the posture of the user; a storage that stores an optimum posture for the user; a comparator that compares the posture detected by the detector and the optimum posture stored beforehand in the storage to generate posture information, the posture information including posture determination information, which indicates whether or not the posture detected by the detector differs from the optimum posture, and guidance information, which advises the user so that the user's posture approaches the optimum posture; a communication unit that communicates the posture information to the user; and a setting unit that sets the optimum posture in the storage; wherein the storage includes a first storage section, which stores a fixed first optimum posture corresponding to an unspecified user, and a second storage section, which stores a second optimum posture corresponding to a specified user; the setting unit is capable of storing a value based on the posture detected by the detector as the second optimum posture in the second storage section in accordance with an operation of the operation unit; the second optimum posture has a tolerable posture range set to be narrower than that of the first optimum posture; and the comparator is capable of comparing the posture detected by the detector with the first optimum posture or the second optimum posture in accordance with an operation of the operation unit.