Touchpad-based input system and method for portable device

• US 20070236477A1
• Filed: 03/13/2007
• Published: 10/11/2007
• Est. Priority Date: 03/16/2006
• Status: Abandoned Application

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Lee, Jong, Shin, Seung, Hwang, Byeong, Ryu, Dong
• Application Number:
  US11/717,527
• Publication Number:
  US 20070236477A1
• Time in Patent Office: Days
• US Class Current: 345/173
• CPC Class Codes: G06F 3/03547 Touch pads, in which fingers can move on a surface
• CPC Class Codes: G06F 3/0485 Scrolling or panning
• CPC Class Codes: H04M 1/72469 for operating the device by selecting functions from two or more displayed items, e.g. menus or icons
• CPC Class Codes: H04M 2250/22 including a touch pad, a touch sensor or a touch detector digitizers for touch screens G06F3/041

Abstract

A touchpad-based input system and method of a portable device capable of facilitating manipulation of device operation. The touchpad-based input method of a portable device having a display and a touchpad determines whether a scrolling signal is input through the touchpad, scrolls a current presentation across the display in a direction based on the scrolling signal, and displays another presentation as a result of the scrolling when a scrolling signal is input.

Claims

1. A touchpad-based input method of a portable device having a display and a touchpad, comprising:

determining whether a scrolling signal is input through the touchpad;

scrolling a current presentation across the display based on the scrolling signal when the scrolling signal is input; and

displaying a scrolled presentation as a result of the scrolling.

2. The method of claim 1, further comprising:

determining whether a selection signal is input through the touchpad while scrolling the current presentation; and

stopping scrolling the current presentation if the selection signal is input.

3. The method of claim 1, wherein the scrolling signal includes information on a scrolling speed and a scrolling direction.

4. The method of claim 3, wherein the presentation is scrolled based on the scrolling speed and the scrolling direction.

5. A touchpad-based input method of a portable device having a display and a touchpad, comprising:

determining whether a sliding signal is input through the touchpad;

sliding a plurality of presentation items across the display based on the sliding signal when the sliding signal is input; and

displaying a presentation item as a result of the sliding.

6. The method of claim 5, further comprising:

determining whether a selection signal is input through the touchpad while sliding the presentation items; and

stopping the sliding of presentation items when the selection signal is input.

7. The method of claim 5, wherein the sliding signal includes information on a sliding speed and a sliding direction.

8. The method of claim 7, wherein the presentation items are slid based on the sliding speed and the sliding direction.

9. A touchpad-based input system of a portable device, comprising:

a touchpad which generates a manipulation signal corresponding to a user'"'"'s touchpad manipulation;

a display which shows a presentation rendered in accordance with the manipulation signal;

a controller which generates a control signal corresponding to the manipulation signal and controls the display to render the presentation and displays the rendered presentation based on the control signal.

10. The touchpad-based input system of claim 9, further comprising a memory which stores programs for operating the portable device and a program for operating the touchpad.

11. The touchpad-based input system of claim 9, further comprising an analog/digital converter which receives an analog signal input through the touchpad and converts the analog signal into a digital signal.

12. The touchpad-based input system of claim 9, wherein the touchpad includes a pressure sensor.

13. The touchpad-based input system of claim 9, wherein the touchpad detects the user'"'"'s manipulation and performs operation functions of menu selection, data retrieval and checking functions based on the user'"'"'s manipulation through the display.

14. The touchpad-based input system of claim 9, wherein the touchpad includes a pointing device.

15. The touchpad-based input system of claim 9, wherein the control signal is a scrolling signal for scrolling the presentation across the display.

16. The touchpad-based input system of claim 15, wherein the scrolling signal includes information on a scrolling speed and a scrolling direction.

17. The touchpad-based input system of claim 16, wherein the presentation is scrolled based on the scrolling speed and the scrolling direction.