公开(公告)号：US11082640B2

公开(公告)日：2021-08-03

申请号：US15478295

申请日：2017-04-04

申请人： Mitsubishi Electric Corporation

发明人： Hideo Nagata ,  Hiroshi Sakanoue ,  Takafumi Hara

IPC分类号： H04N5/33 ,  H04N5/225 ,  G01J5/06 ,  G02B5/00 ,  G02B7/02

摘要： An infrared camera includes a lens unit including a lens and a lens barrel, a heater that is provided at the lens unit and heats the lens, an infrared image sensor that captures an image using infrared light focused by the lens, a chassis that is fixed to an external surface side of the lens barrel while being thermally insulated from the lens unit and contains the infrared image sensor, and a light-blocking member that is located between the lens barrel and the infrared image sensor inside the chassis as viewed in a direction of an optical axis of the lens and blocks infrared light radiated toward the infrared image sensor and coming without passing through the lens, thus reducing the influence of infrared light coming without passing through the lens on capturing of an image.

公开(公告)号：US11604100B2

公开(公告)日：2023-03-14

申请号：US17026425

申请日：2020-09-21

申请人： Mitsubishi Electric Corporation

发明人： Hideo Nagata

IPC分类号： G01K7/18 ,  G01K1/022 ,  G01K7/22

摘要： The temperature sensor module includes: a temperature sensor element and a signal processing circuit. The signal processing circuit includes: a series-connection resistor which is connected in series to the temperature sensor element; a temperature detection circuit which detects a temperature; a first analog-digital conversion circuit which converts an output signal from the temperature detection circuit into a digital signal; a memory which stores a series-connection resistor data piece about a relationship between a temperature and the resistance value of the series-connection resistor; a digital signal processing circuit which uses the series-connection resistor data piece, to calculate, on the basis of the digital signal indicating the temperature of the signal processing circuit, a digital command signal for keeping the resistance value of the series-connection resistor at a constant value, and outputs the digital command signal; and a digital-analog conversion circuit which outputs the digital command signal to the series-connection resistor.