Touch type coordinate input device

申请号 JP14645083 申请日 1983-08-12 公开(公告)号 JPS5952343A 公开(公告)日 1984-03-26
申请人 Hitachi Ltd; 发明人 HOTSUTA MASAO; MIYAMOTO KEIICHI; YOKOZAWA NORIO; OOSHIMA YOSHIMITSU;
摘要 PURPOSE:To realize a compact structure for the titled input device, by providing a flange to a plate spring of a power detecting part or an attachment projection to a flat plate or a curved panel, and setting the plate spring in parallel to an outer circumference frame. CONSTITUTION:A cantilever 9 is fixed to an attachment metallic parts 12 of a frame 6 at the side opposite to a flange 10, and the part of a plate spring 3 is set in parallel to the frame 6. Strain gauges 4 are attached to both sides of the spring 3, and a component force generated at a fulcrum supported by an attachment screw 11 is transmitted to the plate spring 3 through the flange 10. The bending distortion of the spring 3 generated by the component force is measured by the gauge 4. In this case, it is required to transmit accurately the component force generated at each fulcrum, and the bending of the flange 10 is not desired. Therefore, the flange 10 must be sufficiently increased to the spring 3 in thickness.
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