TRANSFORMATION STRUCTURE OF KEYPAD LETTER FOR ELECTRONIC EQUIPMENT USING BACK LIGHT
A structure for converting keypad characters of electric equipment using a backlight is provided to implement a fine design by removing the necessity of printing characters or numbers on a single key button. A key button(100) is formed in a convex lens shape. A key input unit(200) is provided at a l...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A structure for converting keypad characters of electric equipment using a backlight is provided to implement a fine design by removing the necessity of printing characters or numbers on a single key button. A key button(100) is formed in a convex lens shape. A key input unit(200) is provided at a lower side of the key button(100) and executes an operation of a key input. A dome switch(300) is formed at a lower side of the key button(100) to transfer a signal when the key button(100) is pressed by the operation of the key input unit(200). A PCB(Printed Circuit Board)(400) is connected with the dome switch(300) and transfers the signal of the key button. A spacer member(500) is provided between the key button(100) and the dome switch(300). |
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