JP2015185043A5

JP2015185043A5 -

Info

Publication number: JP2015185043A5
Application number: JP2014062732A
Authority: JP
Filing date: 2014-03-25
Publication date: 2017-04-20
Anticipated expiration: 2034-03-25

Description

上記の目的を達成するための本発明による座標入力装置は以下の構成を備える。即ち、光を投光する投光手段と光を受光する受光手段とを有するセンサユニットを複数有する座標入力装置であって、前記投光手段による投光範囲内の入力面に対して行われた操作の位置を、複数の前記センサユニットが有する複数の前記受光手段による受光状態であって前記投光手段による投光に応じた受光状態と、所定のパラメータとに基づいて検出する検出手段と、前記所定のパラメータを、複数の前記センサユニットの位置関係の変化に応じた判定結果に基づいて変更する設定手段とを有する。
In order to achieve the above object, a coordinate input device according to the present invention comprises the following arrangement. That is, a coordinate input device having a plurality of sensor units each having a light projecting unit for projecting light and a light receiving unit for receiving light, which is performed on an input surface within a light projecting range by the light projecting unit. Detecting means for detecting an operation position based on a light receiving state corresponding to the light projecting by the light projecting unit and a predetermined parameter in a light receiving state by the plurality of light receiving units included in the plurality of sensor units; Setting means for changing the predetermined parameter based on a determination result according to a change in a positional relationship among the plurality of sensor units.

Claims

A coordinate input device having a plurality of sensor units each having a light projecting unit for projecting light and a light receiving unit for receiving light,
The position of the operation performed on the input surface within the light projecting range by the light projecting unit is a light receiving state by the plurality of light receiving units included in the plurality of sensor units, and corresponds to the light projection by the light projecting unit. Detecting means based on the received light state and a predetermined parameter;
A coordinate input device comprising: a setting unit configured to change the predetermined parameter based on a determination result according to a change in a positional relationship among the plurality of sensor units.

The light receiving means of the second sensor unit different from the first sensor unit in a light receiving state corresponding to the light projection by the light projecting means of the first sensor unit, indicating that the positional relationship has changed. Determination means for determining based on the light receiving state by
The coordinate input device according to claim 1, wherein the setting unit changes the predetermined parameter in response to the determination by the determination unit that the positional relationship has changed.

The said setting means changes the said predetermined parameter based on the determination result which determined that the said positional relationship did not change for a predetermined period, after the said positional relationship changed. The coordinate input device described.

The setting unit is configured to change the predetermined parameter based on an operation performed on the input surface after the positional relationship is changed and an operation on a predetermined position in a displayed image. The coordinate input device according to any one of claims 1 to 3.

The predetermined parameter changed by the setting unit includes a parameter for associating a first coordinate system corresponding to the input surface and a second coordinate system corresponding to a display area where an image is displayed. The coordinate input device according to any one of claims 1 to 4.

The coordinates according to any one of claims 1 to 5, wherein the predetermined parameter changed by the setting unit includes a parameter representing a reference relating to a light amount distribution of light received by the light receiving unit. Input device.

The coordinate input device according to claim 1, further comprising a notification unit configured to notify a user based on a determination result corresponding to the change in the positional relationship.

Reflecting means for reflecting the light projected by the light projecting means;
The detecting means detects a position of an operation performed on the input surface based on a light receiving state by the light receiving means of light projected by the light projecting means and reflected by the reflecting means. The coordinate input device according to any one of claims 1 to 7.

9. The coordinate input device according to claim 1, further comprising output means for outputting coordinate data corresponding to the position of the operation detected by the detection means.

A first housing having at least two sensor units;
A second housing having at least two sensor units;
The coordinate input device according to claim 1, wherein the input surface is located between the first casing and the second casing.

A coordinate input device having a plurality of imaging means for imaging,
Detection means for detecting a position of an operation performed on an input surface within an imaging range by the imaging means based on a plurality of images taken by the imaging means and a predetermined parameter;
A coordinate input apparatus comprising: a setting unit that changes the predetermined parameter based on a determination result corresponding to a change in a positional relationship among the plurality of imaging units.

A determination unit that determines that the positional relationship has changed based on a position of a second imaging unit that is different from the first imaging unit in a captured image by the first imaging unit;
The coordinate input device according to claim 11, wherein the setting unit changes the predetermined parameter in response to the determination unit determining that the positional relationship has changed.

A control method of a coordinate input device having a plurality of sensor units,
A light projecting step of projecting light from the sensor unit;
A light receiving step of receiving light by the sensor unit according to the light projection in the light projecting step;
A detection step of detecting a position of an operation performed on an input surface within a light projection range in the light projection step based on a light reception state by the plurality of sensor units in the light reception step and a predetermined parameter;
And a setting step of changing the predetermined parameter based on a determination result corresponding to a change in the positional relationship among the plurality of sensor units.

The change in the positional relationship is a light receiving state according to light projection by the first sensor unit in the light projecting step, and light reception by a second sensor unit different from the first sensor unit in the light receiving step. A determination step for determining based on the state;
The control method according to claim 13, wherein in the setting step, the predetermined parameter is changed in accordance with the determination in the determination step that the positional relationship has changed.

In the setting step, the predetermined parameter is changed based on an operation performed on the input surface after the positional relationship has changed and an operation on a predetermined position in the displayed image. The control method according to claim 13 or 14, wherein:

The program for functioning a computer as each means of the coordinate input device of any one of Claims 1 thru | or 12.