公开(公告)号：US10483964B2

公开(公告)日：2019-11-19

申请号：US16183209

申请日：2018-11-07

申请人： KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO

发明人： Natsuki Arakawa ,  Junichi Matsubara ,  Satoki Uruno ,  Kengo Shima ,  Daisuke Aoki ,  Yuichiro Mori

IPC分类号： H03K17/56

摘要： A signal processing device includes an input terminal configured to be input with an input signal that is active high or an input signal that is active low, a switching terminal connectable to a power supply or ground, a selection circuit configured to select and output the input signal that is active high in a case that the switching terminal is connected to the power supply and select and output the input signal that is active low in a case that the switching terminal is connected to the ground.