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移动通信的概要1.移动通信技术的发展过程富士通公司的移动通信的发展过程,用车载无线电设备及其技术的观点来衡量可表示如下:(1)1953年,研制了最初的真空管系统的车载无线电设备。(2)1960年,谋求晶体管化。(3)1964年,完成全晶体管化设备。
Outline of Mobile Communication 1. Development of Mobile Communication Technology The development process of Fujitsu mobile communication can be expressed as follows from the perspective of automotive radio equipment and its technology: (1) In 1953, the original vacuum tube system was developed Radio equipment. (2) 1960, seeking transistorization. (3) In 1964, complete all-transistor transistor device.