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Touch detection on a curved surface

A curved, touchpad technology applied to the arrangement of accessories on the dashboard, the input/output process of data processing, the direction of instruments, etc.

Pending Publication Date: 2017-10-20
FORD GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Also, since the windows (at least the side windows) are removable, connecting electronics to a window-mounted touchpad presents durability and cost challenges
Additionally, the fact that the window is curved presents a further cost challenge for implementing a non-physical (i.e. virtual) input mechanism on the vehicle window

Method used

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  • Touch detection on a curved surface
  • Touch detection on a curved surface
  • Touch detection on a curved surface

Examples

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Embodiment Construction

[0046] introduction

[0047] User input to a touchpad or the like can be detected on the window surface. Advantageously, the touchpad does not require an electronic or other hardware connection to the surface (eg, the surface of a car window) on which the touchpad is disposed. Conversely, a touch overlay system that emits and detects light energy (eg, infrared (IR), ultraviolet (UV), etc.) as disclosed herein may be used to obtain user input. For example, a user's finger can break and thereby deflect the projected IR beam of light energy, so the user's input (in this example touching a key of the touchpad) can be detected.

[0048] The touchpad area can be designated for the windows. Advantageously, the touchpad area may be small relative to the surface area of ​​the window; a detection area of ​​a typical size keyboard or other data entry pad may be provided for the touchpad area. Thus, in one embodiment, a source of IR emitters and a relatively small set of IR receivers c...

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PUM

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Abstract

A system includes a curved window and a light energy emitter arranged exterior to the curved window. The system includes a light energy receiver arranged exterior to the curved window and arranged to detect light energy emitted by the light energy emitter. The light energy passes over a touchpad provided on the curved window. A touch on the touchpad may be detected by the system.

Description

technical field [0001] The present invention relates to a touch detection system and method, and more particularly, to a touch detection system and method on curved surfaces. Background technique [0002] Placing a keypad or the like on an exterior surface of the vehicle may be a good way to receive user input to allow entry into the vehicle. The windows cover a substantial portion of the exterior surface of the vehicle and are usually located at a height that is convenient for user access. However, a mechanism for accepting input on the window is lacking for a number of reasons. First, as per government regulations, there are specific areas where the windows must remain see-through during the operation of the vehicle, which means that some physical structure would be required to physically attach to the windows. A conveniently placed physical touchpad would violate the see-through area Require. Additionally, since the windows (at least the side windows) are removable, co...

Claims

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Application Information

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IPC IPC(8): G06F3/041G06F3/0354
CPCG06F3/03547G06F3/0418B60K35/00G06F1/3262G06F3/016G06F3/0416G06F3/0428B60K35/10B60K2360/143B60K2360/345B60K2360/48B60K2360/62B60K35/60B60K2360/794B60K2360/797G06F3/0421G06F3/0412G06F3/042
Inventor 涂洪恩约翰·罗伯特·范·维米尔斯
Owner FORD GLOBAL TECH LLC
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