JPS6316329U - - Google Patents
Info
- Publication number
- JPS6316329U JPS6316329U JP1986108037U JP10803786U JPS6316329U JP S6316329 U JPS6316329 U JP S6316329U JP 1986108037 U JP1986108037 U JP 1986108037U JP 10803786 U JP10803786 U JP 10803786U JP S6316329 U JPS6316329 U JP S6316329U
- Authority
- JP
- Japan
- Prior art keywords
- light
- optical
- input device
- semiconductor element
- optical semiconductor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims description 9
- 230000007717 exclusion Effects 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims 3
- 238000001514 detection method Methods 0.000 claims 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Position Input By Displaying (AREA)
Description
第1図ないし第3図は本考案の一実施例を説明
するためのもので、第1図は座標入力装置の受光
素子側の要部断面図、第2図は赤外線フイルタの
要部斜視図、第3図はアクリル樹脂内から空気中
へ向かう光の反射率を示す特性図、第4図は本考
案の他の実施例に係る赤外線フイルタの断面図、
第5図は本考案のさらに他の実施例に係る赤外線
フイルタの断面図、第6図ないし第8図は従来例
を説明するためのもので、第6図は座標入力装置
を表示面の前面に装着した状態を示す斜視図、第
7図はこの座標入力装置の受光素子側の要部断面
図、第8図はこの座標入力装置の内部構造を示す
背面図、第9図は他の従来例に係る座標入力装置
の受光素子側の要部断面図、第10図はさらに他
の従来例に係る座標入力装置の発光素子側の要部
断面図、第11図はこの座標入力装置の受光素子
側の要部断面図である。
4……発光素子、5……受光素子、9……赤外
線フイルタ(可視光除外フイルタ)、10……光
路、13……光学素子列、20……導光部、20
a……周面、20b……溝、20c……端面。
Figures 1 to 3 are for explaining one embodiment of the present invention. Figure 1 is a sectional view of the main part of the coordinate input device on the light receiving element side, and Figure 2 is a perspective view of the main part of the infrared filter. , FIG. 3 is a characteristic diagram showing the reflectance of light directed from inside the acrylic resin into the air, and FIG. 4 is a cross-sectional view of an infrared filter according to another embodiment of the present invention.
FIG. 5 is a sectional view of an infrared filter according to still another embodiment of the present invention, and FIGS. 6 to 8 are for explaining conventional examples, and FIG. 6 shows a coordinate input device in front of the display screen. 7 is a sectional view of the main part of this coordinate input device on the light receiving element side, FIG. 8 is a rear view showing the internal structure of this coordinate input device, and FIG. 9 is another conventional coordinate input device. FIG. 10 is a cross-sectional view of a main part on the light-receiving element side of a coordinate input device according to an example, FIG. 10 is a cross-sectional view of a main part on a light-emitting element side of another conventional coordinate input device, and FIG. FIG. 3 is a sectional view of a main part on the element side. 4... Light emitting element, 5... Light receiving element, 9... Infrared filter (visible light exclusion filter), 10... Optical path, 13... Optical element array, 20... Light guide section, 20
a...Surrounding surface, 20b...Groove, 20c...End surface.
Claims (1)
それぞれ列状に多数配設して構成される枠状の光
学素子列と、この光学素子列の内側に装着される
可視光除外フイルタとを備え、このフイルタを介
して前記発光素子と受光素子間で表示装置の表示
面の前面側に光路を形成し、この光路が遮断され
た位置を検出して表示面上の座標位置を入力する
光検出方式の座標入力装置において、前記可視光
除外フイルタの前記光学素子列側の面の各光半導
体素子に対応する個所にそれぞれ、端面がこの光
半導体素子に対向する導光部を突設し、且つこの
導光部の周面には突出方向に沿つて凹凸が形成し
てあることを特徴とする座標入力装置。 This filter includes a frame-shaped optical element array formed by arranging a large number of light-emitting elements and light-receiving elements, each of which is an optical semiconductor element, in a row, and a visible light exclusion filter mounted inside this optical element array. Coordinates of a light detection method that forms an optical path on the front side of the display surface of the display device between the light emitting element and the light receiving element via the In the input device, a light guide portion with an end face facing the optical semiconductor element is provided protrudingly at a location corresponding to each optical semiconductor element on the surface of the optical element row side of the visible light exclusion filter; A coordinate input device characterized in that a circumferential surface of the part is formed with unevenness along a protruding direction.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986108037U JPH0421146Y2 (en) | 1986-07-16 | 1986-07-16 | |
US07/020,022 US4774404A (en) | 1986-07-16 | 1987-02-27 | Optical path blockage detecting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986108037U JPH0421146Y2 (en) | 1986-07-16 | 1986-07-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6316329U true JPS6316329U (en) | 1988-02-03 |
JPH0421146Y2 JPH0421146Y2 (en) | 1992-05-14 |
Family
ID=30984862
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1986108037U Expired JPH0421146Y2 (en) | 1986-07-16 | 1986-07-16 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0421146Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013235545A (en) * | 2012-05-11 | 2013-11-21 | Stanley Electric Co Ltd | Optical touch panel |
-
1986
- 1986-07-16 JP JP1986108037U patent/JPH0421146Y2/ja not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013235545A (en) * | 2012-05-11 | 2013-11-21 | Stanley Electric Co Ltd | Optical touch panel |
US9626041B2 (en) | 2012-05-11 | 2017-04-18 | Stanley Electric Co., Ltd. | Optical touch panel including vertically-arranged light emitting element and light receiving element |
Also Published As
Publication number | Publication date |
---|---|
JPH0421146Y2 (en) | 1992-05-14 |