JPH027123A - Light type touch screen - Google Patents
Light type touch screenInfo
- Publication number
- JPH027123A JPH027123A JP63156881A JP15688188A JPH027123A JP H027123 A JPH027123 A JP H027123A JP 63156881 A JP63156881 A JP 63156881A JP 15688188 A JP15688188 A JP 15688188A JP H027123 A JPH027123 A JP H027123A
- Authority
- JP
- Japan
- Prior art keywords
- light
- light emitting
- circuit
- emitting element
- light receiving
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- LYAVXWPXKIFHBU-UHFFFAOYSA-N N-{2-[(1,2-diphenylhydrazinyl)carbonyl]-2-hydroxyhexanoyl}-6-aminohexanoic acid Chemical compound C=1C=CC=CC=1N(C(=O)C(O)(C(=O)NCCCCCC(O)=O)CCCC)NC1=CC=CC=C1 LYAVXWPXKIFHBU-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Position Input By Displaying (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
C9!明の目的〕
(産業上の利用分野)
本発明はCRT等の前面に設けられ、CRTに表示され
た選択枝を指等でタッチすることにより。[Detailed description of the invention] C9! OBJECT OF THE INVENTION] (Industrial Application Field) The present invention is provided on the front surface of a CRT, etc., and can be used by touching a selection displayed on the CRT with a finger or the like.
その選択枝に応答する信号を出力することができる先代
タッチスクリーンに関する。It relates to a predecessor touch screen capable of outputting a signal responsive to its selections.
(従来の技術)
既存の先代タッチスクリーンにおいては、発光素子が一
つの対応する受光素子へ、ビームを発していて、ビーム
が遮断された場合は、分解能の劣る座標位置検出がされ
ている。(Prior Art) In the existing predecessor touch screen, a light emitting element emits a beam to a corresponding light receiving element, and when the beam is interrupted, coordinate position detection with poor resolution is performed.
(発明が解決しようとする課M11)
従来の先代タッチスクリーンはCRT等の表示器の前面
に設けられているが、表示器上に表示された要請や選択
枝をたとえば指等にてタッチした場合、発光素子と受光
素子が相対する一対の構造を成している為、遮断ビーム
を検知する受光素子のそのままの位置交直する座標位置
を検出することしかできず、分解能が劣り、CRT等の
表示器上に表示する要請や選択枝に、一定の範囲制限が
生ずることとなって、先代タッチスクリーンの効果的な
運用を妨げていた。(Problem M11 to be solved by the invention) Conventional predecessor touch screens are provided on the front of a display such as a CRT, but when a request or selection displayed on the display is touched with a finger, etc. Since the light-emitting element and the light-receiving element form a pair of structures facing each other, it is only possible to detect the coordinate position of the light-receiving element that detects the cutoff beam, and the resolution is poor, making it difficult to display on a CRT, etc. The requests and options displayed on the screen were limited to a certain extent, which hindered the effective operation of the previous generation touch screen.
本発明の目的は、上述の様に、表示器上に表示する要請
や選択枝に範囲制限を与えることなく、表示器を有効に
活用する為、分解能を高めて先代タッチスクリーンを効
果的に運用することにある。As mentioned above, the purpose of the present invention is to increase the resolution and effectively operate the previous touch screen in order to effectively utilize the display without limiting the range of requests and options displayed on the display. It's about doing.
(課題を解決するための手段)
本発明においては、」−述の目的の如く、分解能を高め
るために四辺形の相対する辺に配列した発光素子と受光
素子を認識処理する制御回路は、発光素子が順次走査し
て広角のビームを多数の受光素子に与えることを溝する
発光回路と発光素子よりのビームの有無を感知する受光
回路と接続され、先人タッチスクリーンの遮断位置座標
を詳細に検出する機能を有する手段を設けた。(Means for Solving the Problems) In the present invention, as stated in the above-mentioned objective, a control circuit that recognizes and processes light emitting elements and light receiving elements arranged on opposite sides of a quadrilateral in order to improve resolution, The device is connected to a light-emitting circuit that sequentially scans and provides a wide-angle beam to a large number of light-receiving devices, and a light-receiving circuit that detects the presence or absence of beams from the light-emitting devices, and the coordinates of the blocking position of the predecessor touch screen can be determined in detail. Means having a detection function was provided.
(作 用)
CRT等の表示器上の要旨や選択枝を指等によりタッチ
された場合は、先人タッチスクリーンの発光素子が順次
走査して、広角のビームを多数の受光素子へ与えている
ビームを遮ることとなる。(Function) When a summary or selection on a display such as a CRT is touched with a finger, the light-emitting elements of the predecessor's touch screen sequentially scan and provide a wide-angle beam to a large number of light-receiving elements. This will block the beam.
受光素子は、遮られたビームを感知するので、時間的な
経過による発光力子と受光素子の情報を蓄えて制御回路
で認識処理することにより、詳細な遮断位置座標が検出
可能となる。The light-receiving element senses the interrupted beam, so by storing information on the light-emitting force and the light-receiving element over time and performing recognition processing in the control circuit, it becomes possible to detect detailed interception position coordinates.
(実 施 例)
以下、本発明の実施例を第1図より第;3図を参照して
説明する。(Embodiments) Hereinafter, embodiments of the present invention will be described with reference to FIGS. 1 to 3.
第1図において発光素子1は、発光回路5に接続されて
いる。発光回路5は、発光素子1の中の発光素子を1つ
づつ順次、走査して広角のビームを発する信号を発光素
子に与える。受光素子3は、受光回路7と接続し5発光
素子1より発したビームの有無を感知し、受光回路7で
信号として受は入れる。制御回路11の中の認識装置9
は、発光回路5と受光回路7の受発光信号を時間的に同
期して、発光素子毎の情報を蓄え、−括して認識処理し
、遮断座標位置を決定する。In FIG. 1, a light emitting element 1 is connected to a light emitting circuit 5. In FIG. The light emitting circuit 5 sequentially scans the light emitting elements in the light emitting element 1 one by one and gives the light emitting elements a signal to emit a wide-angle beam. The light-receiving element 3 is connected to a light-receiving circuit 7 to sense the presence or absence of the beam emitted from the light-emitting element 1, and the light-receiving circuit 7 receives the beam as a signal. Recognition device 9 in control circuit 11
The light emitting circuit 5 temporally synchronizes the light receiving and emitting signals of the light emitting circuit 5 and the light receiving circuit 7, stores information for each light emitting element, performs recognition processing all at once, and determines the cutoff coordinate position.
発光素子2、発光回路6、受光素子4、受光回路8.認
識装置10についても、」二足と同様の処理を行なって
いる。Light emitting element 2, light emitting circuit 6, light receiving element 4, light receiving circuit 8. The recognition device 10 also performs the same processing as for two legs.
制御回路11は、認識装置9および10のそれぞれの情
報を、総括して処理して信号として送出するとともに、
電源の供給等をおこなうようになっている。The control circuit 11 collectively processes the information of each of the recognition devices 9 and 10 and sends it out as a signal.
It is designed to supply power, etc.
第2図は、発光して受光するビームの状態を概略的に示
した本発明の実施例である。発光素子14□は受光素子
FよよりF。の多数の受光素子へ広角なビームを発する
。そして時間的差異をもって発光素子L1に変えて発光
素子L2を発光し受光素子F、よりFnの多数の受光素
子へ広角なビームを発する。そして時間的差異をもって
発光λ・3子L1に変えて発光素子L2を発光し受光素
子F、よりFnの多数の受光素子へ広角なビームを与え
る。以下順次走査して、制御回路である認識装置にて処
理し、捷断座標位置を決定する。FIG. 2 is an embodiment of the present invention schematically showing the state of a beam emitted and received. The light emitting element 14□ is closer to the light receiving element F. emits a wide-angle beam to a large number of light-receiving elements. Then, with a time difference, the light emitting element L2 emits light instead of the light emitting element L1, and a wide-angle beam is emitted to a large number of light receiving elements from the light receiving element F to Fn. Then, with a time difference, the light emitting element L2 emits light by changing the emission to λ triplets L1, and provides a wide-angle beam to a large number of light receiving elements from the light receiving element F to Fn. Thereafter, the images are sequentially scanned and processed by a recognition device, which is a control circuit, to determine the cutting coordinate position.
第3図は、発光して受光するビームの状態を概略的に示
した従来例である。図の如く発光素子と受光λ・3子が
一つづつ対応するようになっている。FIG. 3 is a conventional example schematically showing the state of a beam emitted and received. As shown in the figure, one light emitting element and one light receiving λ triplet correspond to each other.
本発明によれば、CRT等の表示器上に表示された要旨
や、選択枝を指等でタッチした場合、発光素子より広角
なビームが時間的差異をもって発せられているため、ビ
ームを遮る指等の位置がたとえば、従来例の如くにビー
ム間の中央にあっても、ビームを遮ることができて、分
解能が格段に向上するところとなり5光式タッチスクリ
ーンの座標位置検出に多大な効果を発揮することができ
る。According to the present invention, when a user touches the gist or selection displayed on a display such as a CRT with a finger, a wide-angle beam is emitted from the light-emitting element with a time difference, so the finger can block the beam. For example, even if the position is in the center between the beams as in the conventional example, the beams can be blocked, and the resolution is greatly improved, which has a great effect on the coordinate position detection of the five-light touch screen. able to demonstrate.
第1図は本発明の一実施例を示すブロック図、第2図は
、第1図における本発明の受発光寿子によるビーム状態
の概略図、第3図は従来例による受光素子によるビーム
状態の概略図である。
1.2・・・発光素子 3,4・・・受光素子5.
6・・・発光回路 7,8・・・受光回路9、lO
・・・認識装置 11・・・制御回路12・・・表
示器
代理人 ブト埋土 別 近 憲 佑
同 第子丸 健
発光素子
受先素子FIG. 1 is a block diagram showing an embodiment of the present invention, FIG. 2 is a schematic diagram of the beam state due to the light receiving element of the present invention in FIG. 1, and FIG. 3 is a schematic diagram of the beam state due to the conventional light receiving element. It is a schematic diagram. 1.2... Light emitting element 3, 4... Light receiving element 5.
6... Light emitting circuit 7, 8... Light receiving circuit 9, lO
... Recognition device 11 ... Control circuit 12 ... Display agent agent Buto Uedo Betsu Ken Chika Yusuke Daishimaru Ken light-emitting element receiving element
Claims (1)
光素子を相対する辺に有する四辺形のフレームと、その
発光素子が順次、走査広角のビームを多数の受光素子に
与える発光回路と、受光素子がビームの有無を感知する
受光回路とを備え、発光回路と受光回路を、制御して、
ビームを遮断した遮断位置座標を検出する遮断位置座標
制御検出回路を有することを特徴とする光式タッチスク
リーン。1. A quadrilateral frame having a light emitting element and a light receiving element on opposite sides provided on the front side of a display such as a CRT, and a light emitting circuit in which the light emitting element sequentially sends a wide-angle scanning beam to a large number of light receiving elements. , the light-receiving element is equipped with a light-receiving circuit that detects the presence or absence of the beam, and the light-emitting circuit and the light-receiving circuit are controlled,
An optical touch screen characterized by having a blocking position coordinate control detection circuit that detects the blocking position coordinates at which the beam is blocked.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63156881A JPH027123A (en) | 1988-06-27 | 1988-06-27 | Light type touch screen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63156881A JPH027123A (en) | 1988-06-27 | 1988-06-27 | Light type touch screen |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH027123A true JPH027123A (en) | 1990-01-11 |
Family
ID=15637432
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP63156881A Pending JPH027123A (en) | 1988-06-27 | 1988-06-27 | Light type touch screen |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH027123A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007065767A (en) * | 2005-08-29 | 2007-03-15 | Pioneer Electronic Corp | Coordinate location-detection device, its control method, and control program |
-
1988
- 1988-06-27 JP JP63156881A patent/JPH027123A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007065767A (en) * | 2005-08-29 | 2007-03-15 | Pioneer Electronic Corp | Coordinate location-detection device, its control method, and control program |
JP4564904B2 (en) * | 2005-08-29 | 2010-10-20 | パイオニア株式会社 | Coordinate position detection apparatus, control method therefor, and control program |
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