公开(公告)号：US20240319013A1

公开(公告)日：2024-09-26

申请号：US18731082

申请日：2024-05-31

Applicant: FLIR Systems AB

Inventor： Henning Hagman ,  Per Lilja

IPC: G01J5/02 ,  G01J5/00 ,  G01J5/06

CPC classification number: G01J5/025 ,  G01J5/064 ,  G01J2005/0077 ,  G01J2005/066

Abstract: Techniques are provided for facilitating detection threshold determination for infrared imaging systems and methods. In one example, a method includes capturing, by an imaging device, a thermal image of a scene. The method further includes determining temperature difference data indicative of a difference between temperature data of the thermal image associated with a background of the scene and temperature data of the thermal image associated with gas detection. The method further includes determining detection threshold data based on sensitivity characteristics associated with the imaging device and the temperature difference data. The method further includes generating a detection threshold image based on the detection threshold data. Each pixel of the detection threshold image corresponds to a respective pixel of the thermal image and has a value indicative of a detection threshold associated with the respective pixel of the thermal image. Related devices and systems are also provided.

公开(公告)号：US20190101454A1

公开(公告)日：2019-04-04

申请号：US16149627

申请日：2018-10-02

Applicant: Maxim Integrated Products, Inc.

Inventor： Jerome C. Bhat ,  Kuolung Lei ,  Craig A. Easson ,  Arvin Emadi ,  Judy Hermann

IPC: G01K1/08 ,  G01J5/12

CPC classification number: G01K1/08 ,  G01J5/0215 ,  G01J5/024 ,  G01J5/045 ,  G01J5/06 ,  G01J5/0806 ,  G01J5/0831 ,  G01J5/12 ,  G01J2005/0048 ,  G01J2005/066 ,  G01J2005/068

Abstract: The present disclosure is directed to a sensor package having a thermopile sensor and a reference (or dark channel) thermopile sensor disposed therein for temperature measurements. In one or more implementations, the sensor package includes a substrate, a thermopile sensor disposed over the substrate, a reference thermopile sensor disposed over the substrate, a reference temperature sensor disposed over the substrate surface, a lid assembly disposed over the thermopile sensor and the reference thermopile sensor, and a thermo-optical shield. The thermo-optical shield defines an aperture over the thermopile sensor such that at least a portion of the thermo-optical shield is positioned over the reference thermopile sensor to provide optical and thermal shielding for portions of the sensor package.

公开(公告)号：US07954993B2

公开(公告)日：2011-06-07

申请号：US12041399

申请日：2008-03-03

Applicant: John Hewinson ,  Stuart Ward

Inventor： John Hewinson ,  Stuart Ward

IPC: G01K17/00

CPC classification number: G01J1/4257 ,  G01J5/12 ,  G01J2005/066

Abstract: A measuring apparatus comprises a detector device for detecting a variable to be measured, and a controller operative to control the detector device and generate an output signal indicative of the magnitude of the variable being measured. The detector device comprises a housing on which are mounted two Peltier-Seebeck detectors, the detectors being arranged on the housing such that only the first Peltier-Seebeck detector is exposed, in use, to the variable to be measured. The controller is operative to generate the output signal based on the output of the first Peltier-Seebeck detector and the output of the second Peltier-Seebeck detector so as to account for the effect of the ambient heat on each Peltier-Seebeck detector.

Abstract translation: 测量装置包括用于检测待测量的变量的检测器装置，以及控制器，用于控制检测器装置并产生指示所测量的变量的大小的输出信号。 检测器装置包括壳体，其上安装有两个珀耳帖 - 塞贝克检测器，检测器布置在壳体上，使得仅在使用中第一珀尔帖塞贝克检测器暴露于要测量的变量。 控制器可操作以基于第一珀耳帖 - 塞贝克检测器的输出和第二珀尔帖 - 塞贝克检测器的输出来产生输出信号，以便考虑每个珀耳帖 - 塞贝克检测器上的环境热的影响。

公开(公告)号：US20080202209A1

公开(公告)日：2008-08-28

申请号：US12069484

申请日：2008-02-11

Applicant: Paul Lambkin ,  William A. Lane ,  Andrew David Bain

Inventor： Paul Lambkin ,  William A. Lane ,  Andrew David Bain

IPC: G01N7/00 ,  G01J3/12 ,  H01L21/00

CPC classification number: G01J1/04 ,  G01J1/0407 ,  G01J1/0411 ,  G01J5/02 ,  G01J5/0235 ,  G01J5/024 ,  G01J5/04 ,  G01J5/045 ,  G01J5/06 ,  G01J5/08 ,  G01J5/0803 ,  G01J5/0806 ,  G01J5/0831 ,  G01J5/0853 ,  G01J2005/066 ,  G01J2005/068 ,  H01L27/14618 ,  H01L27/14623 ,  H01L27/14625 ,  H01L31/0203 ,  H01L31/02164 ,  H01L31/02325 ,  H01L2924/0002 ,  H01L2924/00

Abstract: The invention provides a sensor including a first sensor element formed in a first substrate and at least one optical element formed in a second substrate, the first and second substrates being configured relative to one another such that the second substrate forms a cap over the first sensor element. The cap includes a diffractive optical element and an aperture stop which collectively determine the wavelength of incident radiation that is allowed through the cap and onto the at least one optical element.

Abstract translation: 本发明提供了一种传感器，其包括形成在第一基板中的第一传感器元件和形成在第二基板中的至少一个光学元件，第一和第二基板相对于彼此配置，使得第二基板在第一传感器上形成盖 元件。 盖包括衍射光学元件和孔径光阑，其共同地确定允许通过盖并且到达至少一个光学元件的入射辐射的波长。

公开(公告)号：US5871449A

公开(公告)日：1999-02-16

申请号：US774022

申请日：1996-12-27

Applicant: David Lloyd Brown

Inventor： David Lloyd Brown

IPC: A61B5/00 ,  A61B5/01 ,  G01J5/02 ,  G01J5/08 ,  A61B6/00

CPC classification number: G01J5/0022 ,  A61B5/01 ,  A61B5/6853 ,  A61B5/6855 ,  G01J5/0025 ,  G01J5/02 ,  G01J5/025 ,  G01J5/026 ,  G01J5/08 ,  G01J5/0862 ,  G01J5/089 ,  G01J2005/066 ,  G01J5/047

Abstract: A system for locating inflamed plaque in an artery of a patient includes a catheter with an expander mounted at a catheter distal end. An infrared carrier, e.g., an optical fiber is mounted on the catheter with a carrier distal end attached to the expander. A sensor is connected to a carrier proximal end to measure infrared radiation transmitted through the carrier from the carrier distal end. In use, the expander is operable to selectively move the carrier distal end into contact with the arterial wall. Infrared radiation can then be measured to determine the temperature at the arterial wall. Temperatures at various locations can be taken, with elevated temperatures being indicative of inflamed plaque.

Abstract translation: 用于定位患者动脉中的发炎斑块的系统包括具有安装在导管远端处的扩张器的导管。 红外线载体，例如光纤安装在导管上，载体远端连接到扩张器。 传感器连接到载体近端以测量从载体远端传输通过载体的红外辐射。 在使用中，扩张器可操作以选择性地使承载器远端与动脉壁接触。 然后可以测量红外辐射以确定动脉壁处的温度。 可以采取不同位置的温度，升高的温度表示发炎的斑块。

公开(公告)号：US5159936A

公开(公告)日：1992-11-03

申请号：US570205

申请日：1990-08-17

Applicant: Mark Yelderman ,  Daniel S. Goldberger ,  James R. Braig

Inventor： Mark Yelderman ,  Daniel S. Goldberger ,  James R. Braig

IPC: A61B5/01 ,  A61B20060101 ,  A61B1/227 ,  A61B5/00 ,  G01J20060101 ,  G01J5/04 ,  G01J5/06 ,  G01J5/10 ,  G01J5/12 ,  G01J5/14 ,  G01K11/00 ,  G01K13/00

CPC classification number: G01J5/04 ,  A61B1/227 ,  G01J5/02 ,  G01J5/028 ,  G01J5/08 ,  G01J5/0812 ,  G01J5/0862 ,  G01J2005/066 ,  G01J2005/068 ,  G01J5/045 ,  G01J5/049 ,  G01J5/14

Abstract: A noncontact infrared tympanic thermometer which does not require environmental stabilization or waveguide temperature control because it utilizes an optically stabilized infrared detector for detecting the infrared energy emitted by the tympanic membrane. The optical stabilization renders the instrument insensitive to ambient temperature effects and allows it to read true tympanic membrane temperatures unaffected by the temperature of the side walls of the detector package. This selectivity is accomplished by locating a neutral density filter over half of the optical aperture of the detector package such that the neutral density filter "shadows" only one of two thermopile channels for detecting the infrared energy emitted by the tympanic membrane. The two thermopile channels are connected in series opposition such that any optical signal equally present in both channels will yield a zero net output. Since the infrared energy emitted by the walls of the detector package reach each detector equally, the effects of these emissions on the temperature measurement are eliminated. The neutral density filter prevents the energy from the tympanic membrane from falling equally on the two thermopile detectors and similarly cancelling. Instead, the resulting differential signal may be processed along with the ambient temperature signal to determine the temperature of the tympanic membrane. The infrared detector of the invention may also be incorporated into an otoscope.

Abstract translation: 一种非接触红外鼓膜温度计，其不需要环境稳定或波导温度控制，因为它使用光学稳定的红外检测器来检测由鼓膜发射的红外能量。 光学稳定化使仪器对环境温度的影响不敏感，并允许其读取不受检测器封装侧壁温度影响的真实鼓膜温度。 这种选择性是通过将中性密度滤光片定位在检测器封装的光学孔径的一半上来实现的，使得中性密度滤光器仅“阴影”两个热电堆通道中的一个，用于检测由鼓膜发射的红外能量。 两个热电堆通道串联连接，使得两个通道中同样存在的任何光信号将产生零净输出。 由于检测器组件的壁发射的红外能量均匀地到达每个检测器，所以消除了这些排放对温度测量的影响。 中性密度过滤器防止鼓膜的能量均匀地下降到两个热电堆检测器上并且类似地消除。 相反，所得到的差分信号可以与环境温度信号一起被处理以确定鼓膜的温度。 本发明的红外检测器也可以结合到耳镜中。

公开(公告)号：US5007432A

公开(公告)日：1991-04-16

申请号：US377725

申请日：1989-07-10

Applicant: Hans J. Keller ,  Walter A. Kuster

Inventor： Hans J. Keller ,  Walter A. Kuster

IPC: A61B5/00 ,  A61B5/01 ,  G01J5/00

CPC classification number: G01J5/04 ,  A61B5/01 ,  G01J5/047 ,  G01J5/08 ,  G01J5/0806 ,  G01J5/0809 ,  G01J5/0834 ,  G01J5/0871 ,  G01J2005/066

Abstract: A medical diagnostic method and apparatus employs differential radiation detection apparatus for remotely detecting temperature differentials between a plurlity of areas on the surface of an object having a plurality of lenses which each focus a beam of radiation from a corresponding area of the body onto a radiation detector in such a way that not more than one field of view reaches the detector at any time.

Abstract translation: 医疗诊断方法和装置使用差分放射线检测装置来远程检测具有多个透镜的物体表面上的多个区域之间的温差，每个透镜将来自身体的相应区域的辐射束聚焦到辐射检测器 以这样的方式，在任何时候不超过一个视野到达检测器。

公开(公告)号：US10006810B2

公开(公告)日：2018-06-26

申请号：US15516821

申请日：2015-10-09

Applicant: Robert Bosch GmbH

Inventor： Thomas Rocznik ,  Fabian Purkl ,  Gary O'Brien ,  Ando Feyh ,  Bongsang Kim ,  Ashwin Samarao ,  Gary Yama

IPC: G01J5/20 ,  G01J5/06 ,  G01J5/08 ,  G01J5/24

CPC classification number: G01J5/06 ,  G01J5/0809 ,  G01J5/0853 ,  G01J5/20 ,  G01J5/24 ,  G01J2005/066 ,  G01J2005/067

Abstract: A semiconductor sensor system, in particular a bolometer, includes a substrate, an electrode supported by the substrate, an absorber spaced apart from the substrate, a voltage source, and a current source. The electrode can include a mirror, or the system may include a mirror separate from the electrode. Radiation absorption efficiency of the absorber is based on a minimum gap distance between the absorber and mirror. The current source applies a DC current across the absorber structure to produce a signal indicative of radiation absorbed by the absorber structure. The voltage source powers the electrode to produce a modulated electrostatic field acting on the absorber to modulate the minimum gap distance. The electrostatic field includes a DC component to adjust the absorption efficiency, and an AC component that cyclically drives the absorber to negatively interfere with noise in the signal.

公开(公告)号：US09989409B2

公开(公告)日：2018-06-05

申请号：US14964927

申请日：2015-12-10

Applicant: MELEXIS TECHNOLOGIES NV

Inventor： Appolonius Jacobus Van Der Wiel

IPC: G01J1/42 ,  G01J1/16 ,  G01J5/02 ,  G01J5/04 ,  G01J5/06 ,  G01J5/12 ,  G01J5/14 ,  G01J5/20

CPC classification number: G01J1/4228 ,  G01J1/1626 ,  G01J5/0225 ,  G01J5/024 ,  G01J5/0285 ,  G01J5/045 ,  G01J5/06 ,  G01J5/061 ,  G01J5/12 ,  G01J5/14 ,  G01J5/20 ,  G01J2005/0048 ,  G01J2005/063 ,  G01J2005/065 ,  G01J2005/066 ,  G01J2005/068

Abstract: A semiconductor device for measuring IR radiation is disclosed. It comprises a substrate and a cap enclosing a cavity, a sensor pixel in the cavity, comprising a first absorber for receiving said IR radiation, a first heater, first temperature measurement means for measuring a first temperature; a reference pixel in the same cavity, comprising a second absorber shielded from said IR radiation, a second heater, and second temperature measurement means for measuring a second temperature; a control circuit for applying a first/second power to the first/second heater such that the first temperature equals the second temperature; and an output circuit for generating an output signal indicative of the IR radiation based on a difference between the first and second power.

公开(公告)号：US20150369669A1

公开(公告)日：2015-12-24

申请号：US14744410

申请日：2015-06-19

Applicant: MELEXIS TECHNOLOGIES NV

Inventor： Viktor KASSOVSKI ,  Luc BUYDENS ,  Sam MADDALENA

IPC: G01J5/12 ,  G01J5/08

CPC classification number: G01J5/12 ,  G01J5/0803 ,  G01J5/16 ,  G01J2005/0048 ,  G01J2005/066

Abstract: An infrared sensor for temperature sensing comprises a cap covering a substrate; an IR-radiation filtering window in the cap transparent to IR radiation; a first sensing element comprising a set of N thermocouples on the substrate covered by the cap, whose hot junctions may receive radiation; a second sensing element comprising a set of N thermocouples on the substrate covered by the cap whose hot junctions may not receive radiation; first connection modules for connecting a number N1 of thermocouples of the first sensing element, second connection modules for connecting a number N2 of thermocouples of the second sensing; connecting means for connecting an output of the first connection modules of the first sensing element with an output of the second connection modules of the second sensing element, and an output of the combined outputs of the sensing elements.

Abstract translation: 用于温度感测的红外传感器包括覆盖基板的盖子; IR辐射中的IR辐射过滤窗对IR辐射透明; 第一感测元件包括在由帽盖覆盖的衬底上的一组N个热电偶，其热接点可以接收辐射; 第二感测元件，包括一组N个热电偶，所述N个热电偶在所述基板上被所述盖子覆盖，所述盖子的热接头可能不接收辐射; 用于连接第一感测元件的N1个热电偶的第一连接模块，用于连接第二感测的热电偶的数量N2的第二连接模块; 连接装置，用于将第一感测元件的第一连接模块的输出与第二感测元件的第二连接模块的输出连接，以及感测元件的组合输出的输出。