SOCIETE FRANCAISE DE DETECTEURS INFRAROUGES-SOFRADIR
发明人:
申请号:
IL25536817
公开号:
IL255368D0
申请日:
2017.11.01
申请国别(地区):
IL
年份:
2017
代理人:
摘要:
The detection device polychromatic comprises first and second photodetectors (1a, 1b) sensitive to two different wavelengths. The two photodetectors are connected to two integration capacitors of the two reading circuits of the different. Two circuits for resetting to zero (5a, 5b) are configured so as to initialize separately the two integration capacitors (3a, 3b). A first synchronization circuit (7a) is connected to the first reading circuit (2a) and to the synchronization signal and of the clock signal (8, 9). The first synchronization circuit (7a) is configured so as to define the frame) for the detection of a rising edge of the synchronization signal sync) (,) count the number of occurrences of a trailing edge of the clock signal (clk), o start or stop a phase of acquisition of data when the number of occurrences of the descending fronts is equal to a threshold value recorded in a register (10) of the first synchronization circuit (7a).