| 摘要 |
A lighted bowling pinfall display panel located on the face a ball return lift hood for indicating to a bowler through the means of a light pattern which bowling pin remain standing after a ball has been delivered had indicator lights arranged to simulate pin spots and powered by a low voltage DC source mounted beneath the lift hood. Solid state circuitry mounted adjacent to the indicator light brackets controls the lighting of the panel lamps and is actuated by pin detection means.
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