I2C协议是有PHILIPS公司在1992年最先提出，乃PHILIPS公司专利。只

要购买Philips的I2C元件同时传递了一个在Philips的I2C 专利下， 在I2C 系统

使用元件使系统符合由Philips定义的I2C规范的许可证。任何使用I2C的元件

都必须得到PHILIPS公司的授权。 -PHILIPS I2C protocol is first proposed in 1992, is PHILIPS patent. As long as the purchase of Philips I2C components conveys the same time a patent under the Philips I2C, I2C system uses components in the system complies with the Philips I2C specification defined by the license. Any use of I2C components have to be authorized by the company PHILIPS.