| 摘要 |
<p>A slot machine having an enclosing casing with a screen with luminous signs operable according to an electronic system, the operation of the signs being determined by chance to determine prizes paid out by the machine, the casing having gates 17, 13 at front and rear and lockable in closed positions, the general circuit of the machine having an input portion secured to the frame of the machine, a further part fixed to the interior of the rear gate 13 and a further part controlling the luminous signs and control and signalling elements fixed to the front gate 17.</p> |
