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Position detector and position indicator

A detection device and indicator technology, which is applied in the direction of instruments, electrical digital data processing, data processing input/output process, etc., can solve the problem of transmission speed reduction, achieve the goal of increasing transmission speed, reliable transmission and reception, and saving power consumption Effect

Active Publication Date: 2011-05-04
WACOM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] However, in the above-mentioned device, for example, as shown in Patent Document 3, when a position indicator is provided with a variety of information including a unique ID and detected by a digital tablet, all of the information must be transmitted, resulting in a large increase in transmission speed. Lowering the problem

Method used

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Examples

Experimental program
Comparison scheme
Effect test

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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PUM

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Abstract

A position detector and a position indicator, wherein the position indicator stores various information to prevent transmission speed of information from decreasing in detection on a digital panel side. The position indicator includes an information storage mechanism for storing various information; a control signal receiving mechanism for receiving control signals from the digital panel; an information selection mechanism for selecting information from the various information stored in the information storage mechanism based on content of the control signal; and an information transmission mechanism for transmitting selected information to the digital panel. The digital panel includes a position signal receiving mechanism for receiving position indication signals; a timing information extraction mechanism for extracting a predetermined timing from the position indication signal; and a control signal transmission mechanism for transmitting a control signal to the position indicator. Furthermore, the position signal receiving mechanism of the digital panel receives position indication signals transmitted disconnectedly and transmits control signals to the position indicator in accordance with an extracted timing.

Description

technical field [0001] The present invention relates to a position indicator and a position detection device capable of detecting, for example, various information including a unique ID stored on the side of the position indicator that detects the position of the position indicator, or a pen obtained from the operation of the position indicator. press and other information. Background technique [0002] Conventionally, a position detection device called a pen tablet has been developed as one of pointers used for photo editing, illustration creation, etc. on a computer device. A tablet generally includes a generally flat-shaped position detection unit (hereinafter referred to as a tablet) and a pen-shaped dedicated position indicator for a user to operate on the tablet. [0003] As such a position detection device, there is a device that detects, by electromagnetic induction, a reflected signal generated by a resonant circuit provided on the position indicator and resonating...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/033G06F3/041G06F3/046
CPCG06F3/046G06F3/03545G06F3/0383G06F3/04162G06F3/041G06F3/0412G06F2203/04102G06F2203/04105G06F3/03548
Inventor 桂平勇次
Owner WACOM CO LTD
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