Where Did Cell Phones Come From- November 3, 2007 In 1949 the first car phone service was introduced. It was called Mobile Telephone Service (MTS). But the beginning of wireless communication started many years earlier, in 1895, when an Italian physicist named Guglielmo Marconi successfully sent wireless signals a distance of one and one half miles.In 1896 Marconi was granted the worlds first patent for a wireless telegraphy system. In 1897 he formed The Wireless Telegraph and Signal Company. During that same year he successfully sent wireless.http://cellping.blogspot.com/2007/11/where-did-cell-phones-come-from.html Your Cell Phone And 911- November 3, 2007 If you're one of the millions of cell phone users who count on their wireless phone for emergency 911 calling........You might want to think again.Unfortunately, there's no guarantee that your 911 call will be routed to an emergency call center. Much less, the emergency dispatcher will have the ability to pinpoint the call's location.WhyPart of the problem is lack of service. Often, in more rural areas, your cell phone has fewer towers available to receive reception. And, many of those towers...http://cellping.blogspot.com/2007/11/your-cell-phone-and-911.html cell phone ping- November 3, 2007 There are two ways that celluar (cell) phones are located, depending on thecell phone itself, and the technology that is built in to that cell phone.Older cell phones are located via a process of signal triangulation, whilenewer phones have a Global Postitioning System (GPS) built in to them. Inpractice, one, the other or both can be used to locate a cell phone.Triangulation can be done on most any cell phone, depending on the locationof the cell phone and any nearby towers. GPS locating...http://cellping.blogspot.com/2007/11/cell-phone-ping.html |