| 摘要 |
An electromagnetic sensitive switch is Provided. The sensibility of the On-Off status in a keyboad can be readily adjusted to meet different requirements from different user. The CPU is incorporated with electronic circuit to control the peripheral equipment. The information can be input quickly without missing and incorrect words. This keyswitch features a linear and noiseless characteristic. Three conducting layers have been used to form the main substrate and cross-linked central portion for establish the position of word and symbol. The program is embedded into the CPU. This is a novel design of keyswitch which is different from the keyswitch taught by prior art. The input can be performed accurately, quickly. By the way, the keyboard can be incorporated with a more compact design.
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