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To hook your GPS up to your speakers you would need a GPS systems with a head phone jack. If you have a head phone jack on your GPS you can use the same plug from your iPod with your GPS system.
Some GPS do have a microphone and listening device. Some GPS do not have this.
They have many patents relating to computers and electronics. They also have some more surprising patents in areas like advertising, medical, and vehicles. A lot of their patents relate to their search engines and smart phone technology.
They have patents in many different industries from the obvious web authoring, wireless, and email patents to the not-so-obvious patents in medical, vehicle, and weight loss. Some patents include, but are not limited to, IBM, The Weather Channel Inc., Nevengineering Inc., Wildtangent Inc., and Disney Enterprises Inc.
LightbulbAnswer:Although Edison had over 1000 patents , the lightbulb which is usually mentioned as his brightest idea was not one of hem . He bought an existing patent from Canadian inventors and improved on it to make it marketable. A list of his patents is at the link.
If you already have a GPS / RTK Autoguide System intsalled on your Tractor then the best and only system on the Market that can be integrated into an existing setup is Kloiplant.
Some of Tesla's patents are not accounted for, and various sources have discovered some that have lain hidden in patent archives. There are a minimum of 278 patents issued to Tesla in 26 countries that have been accounted for.
There are many GPS apps which are available on Google Play. Some include GPS Essentials, GPS Tracking Pro, GPS Speedometer and TeleNav GPS Navigator.
Patents cover inventions, not products. Some products may have multiple inventions, some patented, some patent pending, some not patentable at all. Some inventions are patented in one country and not in others. It would be impossible to determine which products might include patents, let alone how many of them there might have ever been in even a single country that issues patents.
You can view some videos at www.findvehicle.net , this is the latest in GPS systems and they have some news footage on them.