发明名称 SOUND HEARING LEVEL CONTROL SYSTEM
摘要 PURPOSE:To make follow-up of cursor bearing to fine adjustment easy by taking out the difference between the bearing of sound source and cursor bearing and calculating the level by the maximum sensitivity method corresponding to that bearing difference with a function generator.
申请公布号 JPS5421762(A) 申请公布日期 1979.02.19
申请号 JP19770086085 申请日期 1977.07.20
申请人 HITACHI ELECTRONICS 发明人 YAMAGUCHI KATSUOTO
分类号 H04R1/32;G01H3/00;G01S3/801;G01S7/52 主分类号 H04R1/32
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