CENTERLINE 2500 with ArcShield Technology. 1  Helps to reduce arc flash hazards and provide you with increased protection against internal electrical arcing faults. 2  Provides personnel and assembly protection per IEC/TR 61641:2014. 3  Includes arc-resistant latches on all doors for pressure relief to keep the door latched to the MCC during an arcing fault.
Follow Business Insider: Rob Stothard/Getty. People didn't start using the term smartphone until 1995, but the first true smartphone actually made its debut three years earlier in 1992. It was called the Simon Personal Communicator, and it was created by IBM more than 15 years before Apple released the iPhone.
HTC, the leader in touchscreen phones up until the iPhone and makers of phones like the Nexus One launched their first touchscreen phone, the HTC Wallaby aka XDA in 2002. Apple did actually make a concept for a touchscreen phone (not a mobile, a regular landline phone) way back in 1984! 212 people found this useful.