Position detector and position indicator
A detection device and indicator technology, which is applied in the direction of instruments, electrical digital data processing, and data processing input/output process, can solve the problems of transmission speed reduction, etc., and achieve the goal of increasing transmission speed, saving power consumption, and reliable transmission and reception. Effect
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no. 1 example
[0041] 1. First embodiment (basic structure example)
[0042] 2. Modified example of the first embodiment
[0043] 3. Second embodiment (example using position indicator with rotation angle information)
[0044] 4. Third Embodiment (Example using a position indicator with a pen tip and an eraser)
[0045]
[0046] [Explanation of the appearance of the position detection device]
[0047] figure 1 It is an external view showing an embodiment of the position detecting device of the present invention. The position detection device 10 of the present embodiment includes a pen-shaped position indicator and a digital tablet.
[0048]The position indicator is used on the position detection area 2a of the tablet. In this position detection area 2a, the indicated position (coordinates) of the position indicator can be detected. In addition, a side bar (hereinafter referred to as a slider) 1cb that can move vertically along the longitudinal direction of the position indicator is p...
no. 2 example
[0174] Next, a second embodiment of the present invention will be described. In the second embodiment, an example is shown in which the rotation angle of the position indicator with the axis perpendicular to the tablet surface can be obtained. The applicant has already disclosed such a position detection device in Japanese Patent Application Laid-Open No. 8-030374. The present embodiment shows an example in which the rotation angle of the position indicator can be obtained even on a tablet surface using a loop coil formed of a high-resistance ITO film or the like by adding improvement thereto. In this embodiment, the tablet is formed with Figure 4 and Figure 5 The first embodiment shown is of the same construction as the tablet used.
[0175] [Structure of the position indicating part]
[0176] Figure 11 is a cross-sectional view showing the structure of the position indicating portion of the position indicator in this embodiment. Such as Figure 11 As shown, two mag...
no. 3 example
[0207] Next, a third embodiment of the present invention will be described. In this embodiment, two position indicating parts (pen side and eraser side) are provided on the position indicator to detect the direction of the position indicator toward the tablet surface.
[0208] The position indicator of this embodiment does not hold a variety of information like the first embodiment or the second embodiment, but has only pen pressure information on the pen side or the eraser side.
[0209] [Structure of position indicator]
[0210] Figure 14 is a cross-sectional view showing the structure of the position indicator of this embodiment. This embodiment also forms the position indicator in the shape of a pen, and the front end portion of the core 1b protrudes from the main body 1a. It is operated so that the front end portion of the core body 1b comes into contact with the tablet surface. 62 is a hollow coil, and the core 1b penetrates through the coil 62 . In addition, a var...
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