Portable electronic device

• US 7,403,192 B2
• Filed: 11/02/2004
• Issued: 07/22/2008
• Est. Priority Date: 08/27/2004
• Status: Active Grant

• Current Assignee: Getac Technology Company Limited (MiTAC Holdings Corp.)
• Original Assignee: Mitac Technology Corporation (MiTAC Holdings Corp.)
• Inventors: Lai, Lai-Chen
• Primary Examiner(s): Hjerpe; Richard
• Assistant Examiner(s): Said; Mansour M
• Application Number:
  US10/979,610
• Publication Number:
  US 20060044281A1
• Time in Patent Office: 1,358 Days
• Field of Search: 345156-163, 345168-169, 345172-179, 345/160, 345/162, 345 11- 12, 341/22, 341/23, 178 1801- 1802, 178 1901- 1902, 715/771, 715/773, 715/705
• US Class Current: 345/173
• CPC Class Codes: G06F 1/1626 with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
• CPC Class Codes: G06F 1/169 the I/O peripheral being an integrated pointing device, e.g. trackball in the palm rest area, mini-joystick integrated between keyboard keys, touch pads or touch stripes G06F1/1643 takes precedence; constructional details of pointing devices G06F3/033

Abstract

A portable electronic device. A main body includes a first surface and a second surface opposite thereto. A display screen is disposed on the first surface and is electrically connected to the main body. A touchpad is disposed on the second surface and is electrically connected to the main body and display screen, providing a user to access or deal with data displayed on the display screen.

Claims

1. A portable electronic device, comprising:

a main body, with a first surface and a second surface opposite thereto;

an LCD touch panel disposed on the first surface, wherein the LCD touch panel is operable to both display data and receive user touch input; and

a touchpad disposed on the second surface, separated from the LCD touch panel, and electrically connected to the LCD touch panel, wherein the touchpad is operable to receive user touch input independently from the LCD touch panel for manipulating data displayed on the LCD touch panel.

2. The portable electronic device as claimed in claim 1, wherein the portable electronic device comprises a PDA.

3. The portable electronic device as claimed in claim 1, further comprising a switch device disposed on the main body for enabling or disabling the touchpad.

4. The portable electronic device as claimed in claim 1, further comprising a cover disposed on the main body, protecting the touchpad from damage or unexpected touching when the touchpad is not in operation.

5. The portable electronic device as claimed in claim 1, wherein the LCD touch panel is disposed on the front side of the main body, and the touchpad is disposed on the backside of the main body.