| 摘要 |
PURPOSE: A human body touch sensor is provided to sense a human body touch by using a few touch sensing lines so that it can reduce the number of sensing circuits and the number of pins of ICs connected to the circuits. CONSTITUTION: The device comprises a body touch sensing block(100), a power supply block(200), and a signal processing IC(300). The body touch sensing block(100), for which the power supply block(200) selectively supplies power, senses a human body touch, and outputs the sensing result to an electronic device embedding the signal processing IC(300). The body touch sensing block(100) includes a body touch portion(120) and sensing circuits(110). The sensing circuits(110) generate body touch sensing signals according to a state of the body touch portion(120), and transmits the generated body touch sensing signals to the signal processing IC(300). Touch sensing lines(130) are arranged on the body touch portion(120) according to a preset pattern. The touch sensing lines(130) have an electrical one to one connection structure with the sensing circuits(110).
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