Infrared touch screen signal acquisition system

• Main Authors: PENG YINTAO, XIONG ANHONG, CHEN JINMING, ZHAO LEI
• Format: Patent
• Language: Chinese; English
• Published: 26.04.2024
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; PHYSICS

The utility model relates to a signal acquisition system for an infrared touch screen. The signal acquisition system comprises an analog switch, an amplification module, a control module and an infrared module, wherein the infrared module is used for outputting a feedback signal after infrared light is shielded; the amplification module and the infrared module are connected through an analog switch, and the analog switch is used for controlling on-off of a circuit of the infrared module and the amplification module; the control module is respectively connected with the amplification module and the analog switch, and the control module is used for sending out a control signal for controlling the analog switch; according to the scheme provided by the utility model, the signal acquisition of the infrared touch screen is realized. 本实用新型是关于一种红外触摸屏信号采集系统，包括：模拟开关、放大模组、控制模组和用于红外光线被遮挡后输出反馈信号的红外模组；放大模组和红外模组通过模拟开关连接，模拟开关用于控制红外模组与放大模组的电路通断；控制模组分别与放大模组和模拟开关连接，控制模组用于发出控制模拟开关的控制信号；本实用新型提供的方案，实现了对红外触摸屏的信号采集。