Helical - scan video tape cassette system using 8 mm magnetic tape 8 mm video - part 4 : video subcode iec 60843 - 4 : 2000 ; german version en 60843 - 4 : 2000 使用8mm磁带的螺旋扫描盒式磁带录像系统;第4部分:视
The court considered the precedent of sony ' s betamax video - recording technology , which had faced a lawsuit brought by disney and universal in 1984 calling for a ban on the system because it would allow infringement of their copyrighted material 法院考虑过索尼大尺寸磁带录像系统录制技术的先例，这个技术在1984年已经由迪斯尼和通用公司提起诉讼要求禁止使用通过侵犯他们版权资料方式获得的系统。
