| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To enable visual recognition of light emitted by a light emitting device from outside without attenuation. <P>SOLUTION: In a pinball machine, the decoration part 5b is formed integrarrly with a glass frame 5 and a light transmitting window 5c is formed on the decoration part 5b while a light guide unit 22 is mounted thereon. The light guide unit 22 is constituted of a light guide tube 23, with a high rate of guiding light, made of silicon and a light guide case 24. The light guide tube 23 is inserted into the light guide case 24 along the shape thereof. A key lock case 61 is mounted on a game board 4 and a key cylinder 62 is mounted on a support frame mounting part 3a of a body frame 3. A security key 50 is inserted through the key lock case 61 and the key cylinder 62, and a security board 75 is mounted on the key cylinder 62 and is provided with an LED 76. Light emitted from the LED 76 and passing through the security key 50 comes out of the glass frame 5 through the light guide tube 23 and the light guide case 24. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
