对于代替电波而使用光的“光无线”通信，日本邮政省基持将其规格标准化，并向企业普及。这是因为随着移动电话市场的扩大，深感现有电波频率数量的不足，于是采用“光无线”的新通讯手段提到了日程。普及“光无线”通信，将创造出新的商业机会，同时也能促进企业内信息通讯网 For “optical wireless” communications that use light instead of radio waves, Nippon Post will standardize its specifications and popularize it to businesses. This is because with the expansion of the mobile phone market, the current shortage of the number of existing radio waves, so the use of “optical wireless” means of communication referred to the schedule. Popularizing “optical wireless” communications will create new business opportunities as well as promote intranet information and communication networks