VIRTUAL KEYBOARD

• US 20120256840A1
• Filed: 04/10/2011
• Published: 10/11/2012
• Est. Priority Date: 04/10/2011
• Status: Abandoned Application

• Current Assignee: Razzaghi, Mahmoud
• Original Assignee: Razzaghi, Mahmoud
• Inventors: Razzaghi, Mahmoud
• Application Number:
  US13/083,575
• Publication Number:
  US 20120256840A1
• Time in Patent Office: Days
• US Class Current: 345/168
• CPC Class Codes: G06F 3/0233 Character input methods
• CPC Class Codes: G06F 3/04886 by partitioning the display area of the touch-screen or the surface of the digitising tablet into independently controllable areas, e.g. virtual keyboards or menus

Abstract

A touch screen virtual keyboard is disclosed that allows selecting and entering any key without blocking its view by the user'"'"'s finger. A touch screen in a computer or cell phone has a virtual keyboard and a text box. To enter a desired key into the text box, the user focuses on the desired key and taps the area below that key. The position of the finger is mapped to address and select the key immediately above the finger. Additional finger tap space is provided at the bottom of the virtual keyboard for selecting and entering the keys in the bottom row. In a similar embodiment, each key is extended vertically. The key character is displayed on the upper portion of the key. To select and enter a desired key into the text box, the user taps the blank lower portion of the key below the desired key character. In another similar embodiment, there is a blank row under each row of keys for addressing the keys above the blank row. To select and enter a desired key into the text box, the user taps the lower blank row below the desired key.

Claims

1. A touch screen keyboard system for text input in cell phones, computers, and electronic devices, comprising:

a touch screen integrated with a cell phone or computer,

the touch screen has a virtual keyboard,

an area adjacent to and below the character displayed on each key of the virtual keyboard is mapped to address the respective key,

the user touches the area adjacent to and below the character displayed on a desired key to select that key, and then removes the finger to input that key.

2. The keyboard system of claim 1 further having a text box, to display the inputted character.

3. The keyboard system of claim 1 wherein the selected key changes visually as a feedback to the user.

4. The keyboard system of claim 1 having additional space below the bottom row of the keyboard for addressing the keys of the bottom row.

5. The keyboard system of claim 1 wherein each key character is displayed on the upper portion of the respective key, the lower portion of the respective key provides target touch location mapped for addressing the respective key.

6. The keyboard system of claim 5 wherein the mapped area for addressing each key additionally includes the upper portion of adjacent lower key or keys.

7. The keyboard system of claim 1 having a blank area below each key to provide target touch location mapped for addressing the respective key.

8. The keyboard system of claim 7 wherein the mapped area for addressing each key additionally includes the upper portion of adjacent lower key or keys.

9. A touch screen keyboard system for text input in cell phones, computers, and electronic devices, comprising:

a touch screen integrated with a cell phone or computer,

the touch screen has a virtual keyboard

the character for each key is displayed on the upper part of the respective key,

the blank lower part of each key is mapped to address the respective key,

the user touches the blank part below the character displayed on a desired key to select that key, and then removes the finger to input that character,

thus, providing uninterrupted view of the desired character during typing.

10. The keyboard system of claim 9 wherein the mapped area for addressing each key additionally includes the upper portion of adjacent lower key or keys.