| 摘要 |
A device to count strikes, to be attached to one object that strikes another, such as a boxing glove, or to an object that is being stricken, such as a punching bag. The device comprises a structure for mounting the device to a striking object or an object being stricken. The device further comprises an inertia sensitive switch, a circuit connected to the inertia sensitive switch, a reset switch connected to the circuit, and a display which is controlled by the circuit. The inertia sensitive switch closes in response to a predetermined amount of inertial force created by movement indicating a strike. The circuit generates a signal to the display indicative of this count whereby the number of strikes is known.
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