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Method of processing data generated by a user input device for indicating positions

A technology for input devices and position indication, applied in the field of data generated by user input devices, computer programs, and user input devices, can solve problems such as system complexity

Inactive Publication Date: 2010-03-31
KONINKLIJKE PHILIPS ELECTRONICS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The known system therefore requires means for controlling the light emitters and a relatively complex set-up to process the signals acquired during a period
This makes the system more complex

Method used

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  • Method of processing data generated by a user input device for indicating positions
  • Method of processing data generated by a user input device for indicating positions
  • Method of processing data generated by a user input device for indicating positions

Examples

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Embodiment Construction

[0051] The user input device comprises a playing surface 1 on which objects can be placed. A first object 2 and a second object 3 are shown as examples. Note that the methods described in this article are not limited to inanimate objects, but also work on the user's body, such as fingers. In this case in particular, it is not necessary to place the object whose position is to be detected in contact with table top 1 . Even if the object hangs slightly above the table 1 , the position of the object in two dimensions in a plane parallel to the table 1 can be detected.

[0052] In the described embodiment, the table top 1 is rectangular. In other embodiments, it may be square or other shapes. The set of all possible positions is preferably at least connected, more preferably convex and simply connected.

[0053] The input device includes a transmitter arrangement for directing wave energy across the table along two sets of mutually perpendicular parallel lines. In the illustr...

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Abstract

A user input device for indicating positions includes a transmitter arrangement (4,5) for directing wave energy across a surface (1) in at least two directions, a sensor arrangement (6,7) at a periphery of the surface (1) for detecting wave energy received across the surface within any of a plurality of fields of view, at least some of which are mutually intersecting, and a processing device (12)for determining potential positions of objects (2,3) placed on the surface (1), based on signals from the sensor arrangement (6,7) indicating intersecting at least partially blocked fields of view. Amethod of processing data generated by the user input device includes receiving information (19) from the processing device (12) representative of at least one set of potential positions of a plurality of objects (2,3) and intersecting the received information (19) with information (21) representing a set of pre-determined positions.

Description

technical field [0001] The invention relates to a method of processing data generated by a user input device for indicating a position, a system for processing data generated by a user input device for indicating a position, and an apparatus for obtaining user input indicating a two-dimensional position . [0002] The invention also relates to a method of providing data indicating a position in a user input device, a user input device for indicating a position, and a computer program. Background technique [0003] WO2006 / 095320 discloses an apparatus for detecting the position, size and shape of one or more objects placed on a plane within the boundaries of a touch sensor of a touch screen. The device includes a plurality of light emitters and sensors arranged in an alternating manner around the edges of the touch screen. According to an exemplary embodiment, the detection of the position, shape and size of one or more objects interacting with the touch screen display cont...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/042
CPCG06F3/0421G06F3/0304G06F3/0416G06F2203/04103G06F2203/04111
Inventor S·B·F·范德威德文G·霍莱曼斯M·格罗坦
Owner KONINKLIJKE PHILIPS ELECTRONICS NV
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