Method for window operation on a touchpad using a touch defined original point

• US 20070091075A1
• Filed: 10/11/2006
• Published: 04/26/2007
• Est. Priority Date: 10/25/2005
• Status: Abandoned Application

• Current Assignee: Jia-Yih Lii
• Original Assignee: Jia-Yih Lii
• Inventors: Lii, Jia-Yih
• Application Number:
  US11/545,503
• Publication Number:
  US 20070091075A1
• Time in Patent Office: Days
• US Class Current: 345/173
• CPC Class Codes: G06F 3/0416 Control or interface arrangements specially adapted for digitisers

Abstract

In a method for window operation on a touchpad, when an object is detected to slide on the touchpad, the position where the object falls down to touch the touchpad is defined as an original point, and a position where the object stops sliding on the touchpad is referred to a relative position, a direction and a difference value are determined upon the original point and the relative position, and a signal is produced according to the direction and the difference value to send to a host to trigger a window operation.

Claims

1. A method for window operation on a touchpad, comprising the steps of:

detecting if an object sliding on a touchpad;

defining the position where the object falls down to touch the touchpad as an original point if it is detected an object sliding on the touchpad in the previous step;

detecting a position where the object stops sliding on the touchpad for being referred to a relative position;

determining a direction and a difference value upon the original point and the relative position; and

producing a signal according to the direction and the difference value for sending to a host to trigger a window operation.

2. The method of claim 1, wherein the window operation comprises scrolling a window, selecting on a menu, or scrolling a menu.