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本标准等效采用国际标准ISO 4242—1980《16mm磁片上两声轨磁头隙缝的位置和宽度尺寸》。1 主题内容与适用范围 本标准规定了16mm单边片孔磁片上两声轨和一条控制轨的录音和还音磁头隙缝的位置和宽度尺寸,还规定了相对于磁片运行方向的涂磁层朝向。
This standard is equivalent to using the international standard ISO 4242-1980 “16mm magnetic film on both track head gap position and width size.” 1 Subject Matter and Scope This standard specifies the position and width dimensions of the two sound tracks and one sound track head gap on the 16mm single-sided sheet-hole magnetic sheet and defines the magnetic coating layer relative to the running direction of the magnetic sheet Toward.