Resistive Touchscreen
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Details
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Resistive touchscreens are composed of two flexible sheets coated with a resistive material and separated by an air gap or microdots. When contact is made to the surface of the touchscreen, the two sheets are pressed together, registering the precise location of the touch. Because the touchscreen senses input from contact with nearly any object (finger, stylus/pen, palm) resistive touchscreens are a type of "passive" technology. For example, during operation of a four-wire touchscreen, a uniform, unidirectional voltage gradient is applied to the first sheet. When the two sheets are pressed together, the second sheet measures the voltage as distance along the first sheet, providing the X coordinate. When this contact coordinate has been acquired, the uniform voltage gradient is applied to the second sheet to ascertain the Y coordinate. This operation occurs instantaneously, registering the exact touch location as contact is made.
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GarantieWeitere Informationen
- Allgemeine Informationen
- GTIN 09786130902469
- Genre Technik
- Editor Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken
- Anzahl Seiten 84
- Herausgeber Betascript Publishing
- Größe H220mm x B220mm
- EAN 9786130902469
- Format Fachbuch
- Titel Resistive Touchscreen
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