AV media technology innovations can make popular in the private sphere

1960s Toho, Toei, Shochiku, Daiei and Nikkatsu studios dominate the top five Japanese film industry, had taken a group of three highly sexual stimulation means little piece against the company's "Pink Pictures." Became popular in the late 1970s VHS format VCR, a large number of overseas sex tape input. China began to suffer from the impact of a rebound in 1981, the Kansai area launched the "Star and Rainbow Poem", became the number one AV industry recognized independent production. In 1982, the first ultra-AV-selling works of history, "Ken laundry" sales of up to 130,000 boxes, trigger AV production frenzy. Advances in technology make the VCR began to spread in every home as a private video, AV finally found the most suitable for their own media, ambiguous erotic film market was crushed quickly, forming a separate AV industry. Development of new media technologies allow the development of AV industry by leaps and bounds.