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    • 2. 发明授权
    • Method of using infrared thermometer with remote fiber optic pickup
    • 使用红外线温度计与远程光纤拾取器的方法
    • US5011296A
    • 1991-04-30
    • US470271
    • 1990-01-25
    • George BartosiakChristopher SiskovicHenry H. TapSam ParisArthur E. Goldberg
    • George BartosiakChristopher SiskovicHenry H. TapSam ParisArthur E. Goldberg
    • G01J5/08G02B6/32G02B6/36
    • G01J5/02G01J5/0205G01J5/029G01J5/08G01J5/0806G01J5/0821G01J5/084G01J5/0893G02B6/32G02B6/3624
    • An infrared thermometer (10) with a fixed aperture (99), focusable remote pickup head (12) conveys infrared light (16) from a target (14) to a photosensor (52) of a defocused sensor head (20). The remote pickup head (12) has a reimaging lens (84) and means for selectively adjusting the focus of the lens (84) relative to the target (14) after the pickup head has been fixedly mounted. The aperture setting is kept fixed during the focus adjustment to eliminate the need to recalibrate after the focus adjustment. The defocused sensor head (20) has a defocused relay lens (50) which is selectively out of focus to convey a slightly blurred, out of focus image of the output end of the fiber optic cable (18) to the photosensor (52) to reduce noise, average the light signal and reduce calibration difficulties due to high intensity spots in the image field and to make the unit less susceptible to misfocusing. Precision is further enhanced by provision of a field stop member (86) with a narrow slot, for instance, for passing light only to selected parts of the input end of the fiber optic cable (18) which makes up the optical field.
    • 具有固定孔径(99)的可聚焦远程拾取头(12)的红外线温度计(10)将来自目标(14)的红外光(16)传送到散焦的传感器头(20)的光电传感器(52)。 远程拾取头(12)具有重构成像(84)和用于在拾取头固定安装之后相对于目标(14)选择性地调节透镜(84)的焦点的装置。 在聚焦调节期间,光圈设置保持固定,以消除在对焦调整后重新校准的需要。 散焦的传感器头(20)具有散焦的中继透镜(50),其选择性地失焦,以将光纤电缆(18)的输出端的稍微模糊的失焦图像传送到光电传感器(52)到 降低噪声,平均光信号,减少由于图像场中高强度斑点引起的校准困难,并使该单元不易发生焦点失真。 通过设置具有窄狭缝的场停止构件(86)进一步增强精度,例如仅将光仅传递到构成光场的光纤电缆(18)的输入端的选定部分。
    • 3. 发明授权
    • Infrared thermometer with fiber optic remote pickup
    • 带光纤遥控拾音器的红外线温度计
    • US4919505A
    • 1990-04-24
    • US296225
    • 1989-01-12
    • George BartosiakChristopher SiskovicHenry H. TapSam ParisArthur E. Goldberg
    • George BartosiakChristopher SiskovicHenry H. TapSam ParisArthur E. Goldberg
    • G01J1/04G01J5/06G01J5/08G02B6/32G02B6/36
    • G01J5/02G01J5/0205G01J5/08G01J5/0806G01J5/0821G01J5/084G01J5/0893G02B6/32G02B6/3624G01J5/048
    • An infrared thermometer (10) with a fixed aperture (99), focusable remote pickup head (12) conveys infrared light (16) from a target (14) to a photosensor (52) of a defocused sensor head (20). The remote pickup head (12) has a reimaging lens (84) and means for selectively adjusting the focus of the lens (84) relative to the target (14) after the pickup head has been fixedly mounted. The aperture setting is kept fixed during the focus adjustment to eliminate the need to recalibrate after the focus adjustment. The defocused sensor head (20) has a defocused relay lens (50) which is selectively out of focus to convey a slightly blurred, out of focus image of the output end of the fiber optic cable (18) to the photosensor (52) to reduce noise, average the light signal and reduce calibration difficulties due to high intensity spots in the image field and to make the unit less susceptible to misfocusing. Precision is further enhanced by provision of a field stop member (86) with a narrow slot, for instance, for passing light only to selected parts of the input end of the fiber optic cable (18) which makes up the optical field.
    • 具有固定孔径(99)的可聚焦远程拾取头(12)的红外线温度计(10)将来自目标(14)的红外光(16)传送到散焦的传感器头(20)的光电传感器(52)。 远程拾取头(12)具有重构成像(84)和用于在拾取头固定安装之后相对于目标(14)选择性地调节透镜(84)的焦点的装置。 在聚焦调节期间,光圈设置保持固定,以消除在对焦调整后重新校准的需要。 散焦的传感器头(20)具有散焦的中继透镜(50),其选择性地失焦,以将光纤电缆(18)的输出端的稍微模糊的失焦图像传送到光电传感器(52)到 降低噪声,平均光信号,减少由于图像场中高强度斑点引起的校准困难,并使该单元不易发生焦点失真。 通过设置具有窄狭缝的场停止构件(86)进一步增强精度,例如仅将光仅传递到构成光场的光纤电缆(18)的输入端的选定部分。