Before you jump head first into spending big money on patents and prototypes you need to look at the big picture. Most people inexperienced with developing a new product make the mistake of starting with a focus on getting a patent and/or a prototype without any idea of the costs, steps, and complexities that lie ahead.
No big tech company would make this mistake. Instead, they analyze the big picture before they spend the big money, and so should you. Discover the smarter way to develop your new electronic product.