| 摘要 |
The detector uses a sensor (13) in the barriers around the edge (6) of the game surface. A control unit (16) is provided for regulating the time limit and progress of the game. The sensor is connected to the control unit, which activates a power amplifier (17) via a sound module for generating sound from a loudspeaker (18). The sensor is arranged on a rail (11) around the edge of the table. The sensor may be structure-borne sound microphone, a strain gauge, a piezo element, or light barrier. The edge rail may be formed in multiple parts, each comprising one sensor. Depending on the part being contacted, the control unit initiates a predetermined sound sequence from the sound module.
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