Processing of light input signal of unidimensional linear optical sensor array and light chopper
专利汇可以提供Processing of light input signal of unidimensional linear optical sensor array and light chopper专利检索，专利查询，专利分析的服务。并且PURPOSE:To send in data having a good S/N ratio without increasing the number of circuits, by chopping a light signal to be measured so as to respectively provide predetermined time difference each other with respect to each optical sensor. CONSTITUTION:For example, when a rotary shaft 2a is rotated in the direction shown by an arrow, the front edge part of each of light shutters 2b traverses the incident surfaces of pyroelectric type infrared sensors 1a-1n so as to be respectively shifted by a predetermined time (t) in the order of the sensors 1a-1n. As a result, the output signals of the pyroelectric type infrared sensors 1a-1c have phase difference by a time (t) each other and respective signal peaks are also generated so as to be shifted by the time (t). Since the time (t) is uniquely determined by the distance (l) formed between the center of the rotary shaft 2a and the arrangement center line of a sensor array 1 and the number of rotations of a light chopper 2, time sharing processing can be easily performed in a data processing circuit. By this method, data can be taken in with a good S/N ratio without increasing the number of circuits.，下面是Processing of light input signal of unidimensional linear optical sensor array and light chopper专利的具体信息内容。
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