| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine which enhances a player's excitement and enjoyment and the desire to play. SOLUTION: The game machine includes: plasma tubes 61-63 wherein gas is filled in transparent containers 61a-63a together with discharge electrodes 61b-63b, and electric discharge is performed between the discharge electrodes 61b-63b and the ground potential parts of the containers 61a-63a when applying voltage to the discharge electrodes 61b-73b. The plasma tubes 61-63 are constituted to put the gas in a conductive plasma state by applying voltage to the discharge electrodes 61b-63b sealed in the containers 61a-63a, to cause electric discharge between the discharge electrodes 61b-63b and part of the inner surface of the containers 61a-63a and then to emit light from countless string-like discharge paths due to the collision of electrons with gas molecules and ions. This light emission is different from an emitter with a fixed light emitting part and gives a visionary impression to draw a player's interest. COPYRIGHT: (C)2009,JPO&INPIT
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