Exercise measuring instrument
First Claim
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1. An exercising measuring instrument, comprising:
- acceleration sensor means to be worn on a body of an exerciser, for outputting a waveform signal representative of acceleration which is received by said acceleration sensor means in response to movements of said exerciser;
amplifying means coupled to said acceleration sensor means, for amplifying said waveform signal outputted from said acceleration sensor means;
manually operable switching means for selecting one exercise mode out of a plurality of exercise modes, each exercising mode representing a form of an exercise performed by said exerciser;
amplifier-gain control means coupled to said manually operable switching means, for varying the amplifier-gain of said amplifying means in accordance with the exercise mode selected by said manually operable switching means;
exercise-measuring means for measuring exercise data in said selected exercise mode on the basis of said waveform signal amplified by said amplifying means; and
announcing means for announcing the exercise data measured by said exercise-measuring means.
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Abstract
An exercise measuring instrument according to the present invention employs an acceleration sensor which comprises a piezoelectric piece having a pair of piezoelectric elements stuck to each other. An output waveform of the acceleration sensor is supplied to an amplifier, gain of which is changed in accordance with an exercise mode selected out of a walking mode, an exercise-walking mode and a jogging mode, and thereby an output level of the amplifier is kept at somewhat an equal voltage level, although the voltage level of the output waveform of the acceleration sensor is different between the exercise modes. This improvement allows an accurate measurement of exercise.
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Citations
34 Claims
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1. An exercising measuring instrument, comprising:
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acceleration sensor means to be worn on a body of an exerciser, for outputting a waveform signal representative of acceleration which is received by said acceleration sensor means in response to movements of said exerciser; amplifying means coupled to said acceleration sensor means, for amplifying said waveform signal outputted from said acceleration sensor means; manually operable switching means for selecting one exercise mode out of a plurality of exercise modes, each exercising mode representing a form of an exercise performed by said exerciser; amplifier-gain control means coupled to said manually operable switching means, for varying the amplifier-gain of said amplifying means in accordance with the exercise mode selected by said manually operable switching means; exercise-measuring means for measuring exercise data in said selected exercise mode on the basis of said waveform signal amplified by said amplifying means; and announcing means for announcing the exercise data measured by said exercise-measuring means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An exercise measuring instrument comprising:
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an acceleration sensor to be worn on a body of an exerciser, for outputting a waveform signal representative of acceleration which is received by said acceleration sensor while said exerciser is stepping; amplifying means coupled to said acceleration sensor, for amplifying said waveform signal outputted from said acceleration sensor; counting means for counting the signal delivered from said amplifying means; count-prohibiting means for prohibiting said counting means from counting for a predetermined time period after the counting by said counting means, and causing said counting means to count "1" every two steps; calculating means for doubling the number counted by said counting means; and announcing means for announcing data of said calculation result as the step-number data. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. An exercise measuring instrument comprising:
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sensor means to be worn on a body of an exerciser, for outputting a waveform signal by detecting the occurrence of a step of said exerciser; time-measuring means for measuring time on the basis of a start/stop instruction to obtain time data; first display means for displaying the time data obtained by said time-measuring means; step-number counting means for counting said waveform signal delivered from said sensor means for a time period, during which said time-measuring means is executing its time-measurement, thereby obtaining step-number data; second display means for displaying said step-number data obtained by said step-number counting means; stride-length data memory means for storing stride-length data; distance data calculating means for calculating distance-data from the stride-length data and the step-number data, said stride-length data being stored in said stride-length data memory means and said step-number data being obtained by said step-number counting means; third display means for displaying said distance data obtained by said distance-data calculating means; and data memory means for storing said step-number data, said distance data and time data which has been measured by said time-measuring means at the time when said time-measuring means stops its time-measurement on the basis of said start/stop instruction; and fourth display means for displaying said step-number data, distance data and time data which are stored in said data memory means. - View Dependent Claims (21, 22, 23, 24, 25)
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26. An exercise measuring instrument comprising:
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time-counting means for counting a reference signal, thereby obtaining the present-date data and the present-time data; an acceleration sensor for outputting an acceleration signal in response to movements of an exerciser; amplifying means for amplifying said acceleration signal outputted from said acceleration sensor; selecting means for selecting one exercise mode out of a plurality of exercise modes which indicate forms of exercise performed by said exerciser; amplifier-gain control means connected to said selecting means, for varying the gain of said amplifying means in accordance with said selected exercise mode; exercise-measuring means for measuring exercise-amount data in the exercise mode selected by said selecting means on the basis of the signal amplified by said amplifying means; date and exercise-amount data memory means for storing the exercise-amount data together with the date data obtained by said time-counting means, said exercise-amount data being obtained by said exercise-measuring means; and display means for displaying the data stored at said date and exercise-amount data memory means. - View Dependent Claims (27, 28, 29, 30, 31, 32, 34)
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33. An exercise measuring instrument, comprising:
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a plurality of stride-length data memory means for storing different stride-length data; selection switch means for selecting one memory means out of said plurality of stride-length data memory means; sensor means adapted to be worn on an exerciser'"'"'s body for detecting steps taken by the exerciser; amplifying means coupled to said sensor means for outputting a waveform signal representing the detected steps; amplifier-gain control means for controlling the gain of said amplifying means in accordance with the selection of a memory means by said selection switch means; step counting means for counting the waveform signal output from said amplifying means to obtain step number data; calculating means for performing operations on stride-length data and the step number data obtained by said step counting means so as to obtain distance, said stride-length data being stored in the memory means selected by said selection switch means; and display means for displaying the distance data obtained by said calculating means.
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Specification