Scanner for light beam scanning

Abstract

Abstract PURPOSE:To obtain the small-sized, inexpensive, and long-life scanner which has no slide part by forming a leaf spring fitted with a beam reflecting means and a coil which rotates the reflecting means in one body. CONSTITUTION:A mounting piece where a reflecting mirror 11 which obtains scanning light by reflecting a projection beam is stuck is fixed at one end of the leaf spring 9, whose other end is fixed to a yoke as a fixation member. Then a coil 7 is fitted to a hanger 10 above the leaf spring 9 and those mirror 11, spring 9, and coil 7 are formed in one body. When a current is supplied to the coil 7 through a lead wire 7, the coil 7 moves to rotate the hanger 10 around the leaf spring 9 as an axis and the mirror 11 is put in arcuate motion to generate the scanning light. Thus, the integral molding is performed, so the size is reduced, the cost is reduced, and there is not any slide part such as a galvanomirror, so that the life is prolonged.

Inventors

• 👤 Aritaka Yorifuji
• 👤 依藤　有貴
• 👤 Shintaro Yamamoto
• 👤 慎太郎 山本

Bibliographic Details