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Split on-screen keyboard

A character and set technology, applied in character and pattern recognition, telephone structure, instrument, etc., can solve the problem of suboptimal character division, achieve the effect of reducing size and low memory demand

Inactive Publication Date: 2005-07-13
NOKIA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, according to US Patent 5,812,117, the division of characters displayed on the screen is not optimal, that is, when entering text, if the next character to be entered is not in the currently displayed character subset, the user must often scroll back and forth in the information key area
Thus even though the keyboard can be displayed on a small device, the software keyboard according to US Patent 5,812,117 does not provide the user of the device with a fast and efficient means of text entry

Method used

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Embodiment Construction

[0057] First refer to figure 1 A device to which the idea of ​​the invention can be applied is described. The details of the device according to the idea of ​​the invention will then be explained with reference to the remaining figures.

[0058] figure 1 Apparatus 100 is shown, comprising various parts which are known per se. More specifically, apparatus 100 includes a microprocessing unit (MPU) 101 or microcontroller, which may be in the form of any suitable MPU, such as the AVR RISC microcontroller from Atmel Corporation, 2325 Orchard Parkway, San Jose, Ca 95131, USA processor, a processor from the PCI processor family of Microchip Technology Inc, 2355 West Chandler Blvd, Chandler, Arizona, USA, or a processor specifically designed for device 100. The latter approach is beneficial in that the MPU 100 can be integrated with other devices within a single chip of the device 100, wherein the overall size of the device 100 can be reduced. Due to the large number of options av...

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PUM

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Abstract

An apparatus and method for entering information are disclosed. The device includes a display, such as a touch-sensitive display, and memory. The memory includes: a first character set including at least two characters; and a second character set including at least two characters. Characters in the first set of characters are statistically more likely to be selected in sequential order than characters in the second set of characters. The display is adapted to display the first set of characters for selection of which character to input.

Description

technical field [0001] The present invention relates generally to displays having on-screen keyboards, such as touch-sensitive displays, and more particularly to a method and apparatus for enabling users of such displays to quickly and accurately to enter text into the device. Background technique [0002] In a handheld device using a touch screen as an input device, text is usually input by tapping a graphic icon or a graphic of a character on the screen with a pen, a stylus, or the like. The characters are generally arranged in the same layout and order as the keys on a standard QWERTY keyboard. However, this is not an optimal solution for small screen devices since the size of each individual virtual key depends on the overall size of the display and thus often becomes quite small. [0003] The well-known Fitts' law (Fitts' law involves the performance of the human hand for various pointing tasks) states that the time required to move from one target to another as the h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/023G06F3/033G06K9/72H04M1/23
CPCG06F3/0233G06F3/0237H04M1/23H04M2250/22
Inventor V·兰茨J·玛丽拉
Owner NOKIA CORP
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