Method for switching keypad
First Claim
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1. A method for switching a numeric keypad having a switching program programmed in a microprocessor of the keypad for switching keys in the keypad between one of three functions:
- a hot-key function, a Num Lock function, and a normal key function, the method comprising;
a) scanning keys of the numeric keyboard, memorizing whether a hot-key or a Num Lock key has been pressed and, if any key in the keypad is pressed, reading the key address;
b) judging whether said hot-key is pressed or not after confirmation of the key address and, if pressed, sending out a hot-key code and enabling said hot-key function or judging whether said Num Lock key is pressed; and
c) sending out a Num Lock figure code if said Num Lock key is pressed, otherwise, sending out a normal key code.
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Abstract
A method for switching a keypad is to adopt an externally coupled keypad to a personal computer, wherein a switching program for switching between a hot-key function and a Num Lock function is programmed in a microprocessor of the keypad; when a hot-key or a Num Lock key is pressed, the hot-key function or the Num Lock function is enabled. Besides, every key of the keypad is printed with a figure and a symbol for performing at least two functions.
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Citations
5 Claims
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1. A method for switching a numeric keypad having a switching program programmed in a microprocessor of the keypad for switching keys in the keypad between one of three functions:
- a hot-key function, a Num Lock function, and a normal key function, the method comprising;
a) scanning keys of the numeric keyboard, memorizing whether a hot-key or a Num Lock key has been pressed and, if any key in the keypad is pressed, reading the key address;
b) judging whether said hot-key is pressed or not after confirmation of the key address and, if pressed, sending out a hot-key code and enabling said hot-key function or judging whether said Num Lock key is pressed; and
c) sending out a Num Lock figure code if said Num Lock key is pressed, otherwise, sending out a normal key code. - View Dependent Claims (2, 3, 4, 5)
- a hot-key function, a Num Lock function, and a normal key function, the method comprising;
Specification