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All opens the solution analysis to determine that German Balda is the apple iPhone touchscreen module supplier. But further observes discovered that Balda Taiwan partner TPK Holding set up a Joint venture with it to carry on the touchscreen production, TPK Holding is this module producer. provides according to the market investigation and study company iSuppli, iPhone touchscreen itself by many manufacturers: Likes Pu living, Sharp, Toshiba and Matushita Display technology Company. iSuppli estimated that this monitor module cost is 27 US dollars, accounts for 10.8% in the 8-Gbyte iPhone cost, the touchscreen cost is 24.50 US dollars, occupies 8-Gbyte the iPhone cost 9.8%. “the display monitor aspect's true breakthrough, was the apple uses has used the projection electric capacity design the multiconductor technology.”iSuppli monitor service vice-president Paul Semenza indicated. “we guessed that they have used one algorithm in NXP based on the ARM controller chip, uses for to survey finger's and to adjust the screen content correspondingly on screen touching movement.” the apple multiconductor screen technology's patented claim number is 20060097991, this is and iPhone one of related 200 about patents. The patent introduces the content to write that this touchscreen has “a transparent electric capacity to induce the medium, may use at the same time the examination many touching which or the nearby touching the different position occurs above the touchscreen, and produces represents each to touch the position the different signal.”
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