The definition of embodiments in the Patent Examination Guidelines is as follows: embodiments are examples of preferred specific embodiments of the invention or utility model. The number of embodiments shall be determined according to the nature of the invention or utility model, the technical field to which it belongs, the state of prior art, and the scope of protection claimed.
That is to say, the implementation of the example is for the content of the invention of an example, can not write other inventions or products. If it is a comparison of the prior art can be written in the background technology.