Method for dynamically adapting button size on touch screens to compensate for hand tremor

A touch screen, user technology, applied in the field of touch screen interface, can solve the problem of less options

Inactive Publication Date: 2008-03-05
HONEYWELL INT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, large buttons result in fewer options being placed on a single screen, and multiple screens are necessary to display all options

Method used

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  • Method for dynamically adapting button size on touch screens to compensate for hand tremor
  • Method for dynamically adapting button size on touch screens to compensate for hand tremor
  • Method for dynamically adapting button size on touch screens to compensate for hand tremor

Examples

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Embodiment Construction

[0010] Figure 1 is a schematic diagram of a first embodiment of the invention described in detail below. While facing a touch screen surrounded by sensors, the user starts pointing at the screen (step S1). A capacitive sensor is an example of a sensor used to sense hand position and orientation. Commercial products using capacitive sensors for this sensing are available from EtherTouch Corporation. Another example of a sensor is a video camera. Other sensors and motion detection devices may also be used. As the user continues his or her pointing motion towards a button or target on the touch screen (step S3), the sensor detects small and / or momentary changes in hand position (step S2).

[0011] Samples of motion data or sensed hand position information are passed to filter software that receives input from the sensors and filters out random motions caused by hand instability or tremors from the directional smooth movements that define the screen Smooth trajectory of the up...

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PUM

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Abstract

A computer system is described for dynamically adapting the size of touch sensitive areas or ''buttons'' on touch screens in response to the motor skill level of the user. Data from sensors arrayed around a touch screen send small changes in the user's hand position, and pass this data to a filter which separates the component of the motion due to hand tremor from the intentional motion component. The information about the extent of the hand tremor can be used to either dynamically increase the size of a button as the user's hand is in motion, or to retrieve and display a fixed screen layout with appropriately large buttons.

Description

technical field [0001] The present invention relates generally to touch screen interfaces. In particular, the present invention relates to dynamically modifying the size of a touch sensitive area on a touch screen in response to a user's motor skill level. Background technique [0002] Touch screens are widely used in applications such as kiosk displays, ATMs, and home systems for environmental control, security, and healthcare. The touch screen enables the user to touch a touch-sensitive area or "button" on the application interface screen and, by touching the button, select an option that is targeted for acquisition, such as canceling from an ATM or a temperature setting on a thermostat. Typically, based on the option selected by the user, another touch screen is displayed with additional selections or options, and the user makes another selection by touching the screen again. This selection process continues until the user's selection from the screen results in the desi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/041
CPCG06F3/04886G06F3/011
Inventor T·A·普洛赫尔
Owner HONEYWELL INT INC
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