Method for realizing synchronous work of infrared scanning and camera and system thereof
A technology of infrared scanning and synchronous work, applied in the input/output process of data processing, instruments, electrical digital data processing, etc., can solve the problems of long scanning time and shooting time, inaccurate judgment of touch points, affecting touch positioning accuracy, etc. , to improve the accuracy, shorten the infrared scanning time, and improve the analysis and processing speed.
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[0032] This embodiment is a method for achieving synchronization of infrared scanning and camera work, such as Figure 4 As shown, including the following steps:
[0033] (1) Start the camera, and use the field scan output signal of the camera as the trigger signal of the infrared scanning unit to start the infrared transmitting module and infrared receiving module in the infrared scanning unit; Figure 5 As shown in the sequence diagram, the process is specifically:
[0034] When the camera starts, it outputs the field scanning signal, the camera starts to scan the field, and at the same time triggers the infrared transmitting module and infrared receiving module in the infrared scanning unit to start scanning, and the microprocessor in the infrared receiving module starts to collect the ADC of each infrared receiving tube Value, where each diode of the infrared transmitting module works synchronously with each diode of the corresponding infrared receiving module.
[0035] (2) After...
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