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Charles Kettering
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| Number | Title | Issue Date |
| 4763287 | Measuring performance information in running disciplines and shoe systems A process and system for measuring information concerning movement factors, and to values, which can be calculated therefrom, particularly stride length, stride number, stride time and running time, via a pair of shoes (1, 2), each of which is provided wi... | 08/09/1988 |
| 4741001 | Pedometer stop watch The substantial structure of this invention consists of an intensive mechanical swing device and a group of electronic circuits situated in a small-size box body. The swing device features a highly balanceable and sophisticated pendulum designed to absorb... | 04/26/1988 |
| 4736312 | Arrangement for the determination of movement sequences in running disciplines A system with pressure sensors (5, 12), transmitters (8, 16, 18) and receivers (10, 21) provided in running shoes (2, 3) that upon the shoes (2, 3) leaving or contacting the ground (14) emit and/or receive respective signals (S1, S2, S3, S4). Signals (S1,... | 04/05/1988 |
| 4703445 | Athletic shoe for running disciplines and a process for providing information and/or for exchanging information concerning moving sequences in running disciplines An athletic shoe system for running disciplines and a process for emitting and/or exchanging information concerning movement factors of running disciplines enabling the athlete to always be sufficiently informed regarding his/her training program that is ... | 10/27/1987 |
| 4578769 | Device for determining the speed, distance traversed, elapsed time and calories expended by a person while running A device for measuring the speed of a person while running along a surface is disclosed. A pressure switch or transducer located in a shoe senses when a foot of the runner is in contact with the surface and produces a foot contact signal having a duration... | 03/25/1986 |
| 4571680 | Electronic music pace-counting shoe The present invention not only accumulates the number of steps walked, but also sounds delightful music to entertain the walker's body and mind, and further, it can make a sound with beats to inspire the walker's spirit and vigor.... | 02/18/1986 |
| 4387437 | Runners watch A runners watch which includes a lightweight case dimensioned to be worn on the wrist of the wearer. A display face is formed on the case. Clock circuitry is disposed within the case for operating the display face in order to display the time of the day, ... | 06/07/1983 |
| 4371945 | Electronic pedometer A pedometer is disclosed which calculates the distance a user walks, jogs or runs by electronically measuring the length of each stride taken by the user. Stride length is measured using ultrasonic waves. The pedometer comprises an ultrasonic generator mo... | 02/01/1983 |
| 4285041 | Digital pacing timer A pacing timer for a runner which includes an internal memory for storing split distances and target times as well as a variety of stride lengths which correspond to various speeds of the runner. The logic circuitry of the timer determines the runner's st... | 08/18/1981 |
| 4220996 | Jogger's computational device A portable self-contained computational device for use by a striding athlete, such as a jogger, includes a stride length selector permitting the athlete to preselect a normal length of stride and a rate selector permitting the athlete to preselect a desir... | 09/02/1980 |
| 4144568 | Exercise recorder A combined sensor-transducer with a calculator or computer is provided in which the sensor senses mechanical motions as in muscular exercising to provide a transduced pulse to the calculator or transducer to tally the number of muscular movments or by ins... | 03/13/1979 |
| 4053755 | Pedometer distance-measuring device An electronic pedometer is constructed by a combination of a calculator of the hand-held type and a weighted balance switch closed in response to the strides taken by the person wearing or carrying the pedometer. The stride-actuated switch is connected in... | 10/11/1977 |