Abstract: A method and apparatus for accurately measuring an amount of exercise taken by a walker in terms of a walking speed, the distance traveled and the energy consumed. Impacts made by contacts of a foot of the walker with the ground are detected by a detector so as to produce corresponding contact signals. The number of the contact signals in a predetermined unit of time is counted by a processor to obtain a pitch in the unit of time, and a stride of the walker is calculated from said pitch and the height of the walker by the processor according to a predetermined empirical relationship of ST=(0.1688.times.HT)/(1-0.0174.times.PI.times.HT), where ST is the stride in meters, PI is the pitch in number of steps every 10 seconds, and HT is the walker's height in meters. The data on said height are inputted to the processor beforehand. Then the stride is multiplied by the pitch, to obtain and display a walking speed of the walker in said unit of time. The energy, e.g.

Abstract: A condition regulating device for meters for measuring the quantity of motion which have a sensor including a pendulum for sensing vibrations, and components for transmitting the swinging of the pendulum to a display for displaying the swinging of the pendulum as a function of the quantity of motion. The device includes an externally threaded regulating shaft having both its ends rotatably supported on a frame, a movable member designed to be in engagement with the external thread of the shaft and reciprocate axially in association with the rotation of the shaft, a lower limit stopper for the pendulum, which is integral with the movable member, a buffer lever rotatably mounted on the frame, which is designed such that, when the acceleration acting upon the pendulum exceeds a certain value, it buffers the swinging of the pendulum and the other end secured to the other end of the buffer lever.

Abstract: A pedometer assembly comprises a base disc, pendulum adapted to swing at every step and a display panel. This display panel is rotatably in response to swinging movement of the pendulum and is provided at its periphery with a cylindrical wall. The wall is scored or provided on its outer surface with graduation for indicating the number of repetitions. The surface of the display panel is provided with a proportional diagram adapted for use in the determination of the relation between the number of repetitions, the distance which has been run, and the amount of calories consumed.