发明名称 SCREEN MAGNIFYING LENS
摘要 <P>PROBLEM TO BE SOLVED: To provide a screen magnifying lens for magnifying an object displayed in a screen. <P>SOLUTION: The screen magnifying lens 10 is arranged with a predetermined distance apart in front of the screen 22 provided on a notebook computer 20 or the like. A Fresnel lens in which a groove is cut in a round or straight line is used for the screen magnifying lens 10. When the Fresnel lens in which the groove is cut in the round line is used, a center is arranged so as to coincide with a middle of a horizontal direction of a lower part of the screen 22. Thereby, the object displayed in the screen 22 is made uniform in vertical and horizontal directions and magnified to a size more than the screen 22. <P>COPYRIGHT: (C)2007,JPO&INPIT
申请公布号 JP2007033615(A) 申请公布日期 2007.02.08
申请号 JP20050214059 申请日期 2005.07.25
申请人 HANDA TAKANAO 发明人 HANDA TAKANAO
分类号 G09F9/00;G02F1/1335 主分类号 G09F9/00
代理机构 代理人
主权项
地址