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公开(公告)号:US5465091A
公开(公告)日:1995-11-07
申请号:US197533
申请日:1994-02-16
申请人: Atsushi Nishino , Akihiko Yoshida , Teruo Namba , Masaaki Aoki , Atsushi Naito
发明人: Atsushi Nishino , Akihiko Yoshida , Teruo Namba , Masaaki Aoki , Atsushi Naito
IPC分类号: H03K17/96 , H03K17/975
CPC分类号: H03K17/962
摘要: A touch sensor has an LC oscillator circuit 1, 2, 3, and 4, a rectification circuit 10 which rectifies outputs of the oscillator circuit 1, 2, 3, and 4, a voltage detection circuit 12, 13, 14, and 15 which detects the rectified voltage, and a sensor plate 8 connected to the input section of the rectification circuit, and detecting contact of a finger with the sensor plate 8 by enabling the voltage detection circuit 12, 13, 14, and 15 to detects a drop of equivalent impedance due to a finger touching the sensor plate 8 as a change of voltage.
摘要翻译: 触摸传感器具有LC振荡电路1,2,3和4,整流电路10,其对振荡电路1,2,3和4的输出进行整流,电压检测电路12,13,14和15,其中 检测整流电压,以及连接到整流电路的输入部分的传感器板8,并且通过使电压检测电路12,13,14和15能够检测到手指与传感器板8的接触, 由于手指接触传感器板8而产生的等效阻抗作为电压的变化。