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Nartron, a Pioneer in Developing the Modern Day Touch Screen, Sues Apple for Infringing their Touch Screen Technology



A Michigan Company by the name of Nartron is suing Apple for infringing their patent titled "Capacitive responsive electronic switching circuit." The company claims that Apple's every iDevice comprises of capacitive touch sensing devices that covers multitouch and therefore infringes their patent, even though Apple uses touch technology from Broadcom and Texas Instruments.


2 X 2017 NOV Nartron patent INFRINGEMENT

Nartron's lawsuit provides some background of the company's role in the history of touch technology as follows:


"The touchscreen's path to preeminence did not happen overnight. Established in 1967, Nartron was an early pioneer in touchscreen technology. Nartron is credited with inventing the electronic touch screen in 1995. For example, Nartron's "Smart Touch®" sensing technology provided a breakthrough in human interface technology by giving direct access to computer power, such as with highly successful handheld devices and smartphones.


Nartron's experienced product development team located at its 200 acre complex in Reed City, Michigan has been awarded several hundred patents for exceptional innovation. Nartron's leadership in innovation was recognized by Inc. Magazine, which named Nartron as one of America's Top 50 Innovators and one of the "Top 30" firms for leading the technological, industrial, and social movement in the United States that has taken place over the past 30 years.


Apple's Alleged Infringement


According to Nartron's lawsuit, all of Apple's iDevices infringe on one or more claims of their 5,796,183 patent (the'183 patent).


They further note that "The Accused Products comprises of capacitive touch sensing devices. For example, the Accused Products allow users to make selections and move objects by moving their finger proximity to or in contact with a touch sensing surface, like touchscreens (e.g., the iPhone 6s Plus includes a 5.5-inch (diagonal) widescreen LCD Multi-Touch display). In the Accused Products, such surfaces include touch sensing points that senses a user's finger. The Accused Products recognize such touches by users, interpret the users' input, and thereafter perform actions based on the input.


On information and belief, the Accused Products use, among other things, touch controller chips such as those manufactured by Broadcom (e.g. BCM5976) and Texas Instruments (e.g., TI 343S0694) to recognize and interpret the users' input. For example, the touchscreen controller, individually or in combination of other hardware and software components, takes a periodic signal from an oscillator with a pre-defined frequency, and selectively provides a signal output frequency to each row of input touch terminals. On the touchscreen of the Accused Products, the input touch terminals define adjacent areas on a substrate for a user to provide inputs. When touched (or in close proximity) by the user, a detector circuit within the Accused Products respond to signals from the oscillator through the touchscreen controller and the presence of the user's body capacitance to ground to provide a control output signal. The Accused Products use input and output frequencies such that the change in impedance caused by the user's touch differs from any change in impedance that may create an electrical path caused by contaminates on the substrate. Based on the above, the Accused Products infringe at least, but not limited to, claim 40 of the '183 patent.


Apple has been aware of the '183 patent since at least 2007. In 2007 Nartron provided written communications to Apple in which Nartron notified Apple of the '183 patent, explained how certain Apple touchscreen products infringed claims of the '183 patent, and offered to enter into licensing discussions. Apple refused to consider a license, instead insisting that its touchscreen products did not infringe any claims of the '183 patent and asserting that all claims of the '183 patent were invalid.


Apple's infringement of the '183 patent was willful. Apple committed acts of infringement despite having actual notice of the '183 patent and a high likelihood that its actions constituted infringement. Apple knew or should have known that its actions constituted an unjustifiably high risk of infringement. Thus, Apple's infringement was deliberate and exhibited bad faith, entitling Nartron to enhanced damages."


The patent infringement case presented in today's report was filed in the Michigan Eastern District Court, Detroit Office. The Presiding Judge in this case is noted as being Judge Avern Cohn, with referring Judge noted as Stephanie Dawkins Davis. It should be noted that the infringement case was formerly filed by UUSI, LLC d/b/a Nartron ("Nartron").


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