Nissan Motor Company Limited

Namco Limited

Naoyuki Koyama

Megumi Nakanose

Mitsunori Aoshiba

Shigeki Tooyama

Tadao Motegi

There is provided a game system which perceives a sign intended by a game player from the motion of a finger or hand of the player and controls the motions of game characters or the situation of a game in accordance with the sign. A game machine includes a received-light pattern detection apparatus for detecting the motion of a hand of a game player as a received-light pattern; a sign perception system for perceiving a sign from the received-light pattern input from the received-light pattern detection apparatus, and a main CPU for controlling a game in accordance with the sign perceived by the sign perception system.

Sign perception system, game system, and computer-readable recording medium having game program recorded thereon

In a vacuum laser irradiating apparatus disposed between a laser generator and a vacuum vessel in which an object to be irradiated with a laser beam is placed, an outer window plate is airtightly fixed to the outer opening of the apparatus body to maintain the internal cavity of the apparatus body under a vacuum and to pass the laser beam therethrough. This outer window plate is reinforced so as not to be distorted due to pressure difference between an inside vacuum of the apparatus body and an outside atmospheric pressure. This is because the outer window plate is made of an expensive pure monocrystalline material and therefore it is preferably to reduce the thickness thereof for material cost reduction.

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Tokyo, Japan

Naoyuki Koyama