日本电子设备制造商们认为,GPS全球定位系统接收机在日本有巨大的市场。两年前,先锋公司和日本无线电公司就已推出了汽车用的GPS接收机。去年,索尼公司开始销售供游艇、徒步旅行者和其它野外冒险者使用的手持式GPS接收机。今年夏天,东芝公司将开始销售汽车用GPS系统。目前,日本有10家公司在研制GPS系统,预计, Japanese electronic equipment manufacturers believe that GPS GPS receivers have a huge market in Japan. Two years ago, Pioneer and Japan Radio had already launched GPS receivers for automobiles. Last year, Sony began selling handheld GPS receivers for yachts, hikers and other wild adventurers. This summer, Toshiba will start selling automotive GPS systems. At present, 10 companies in Japan are developing GPS systems. It is expected that