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公开(公告)号：US08720323B2
公开(公告)日：2014-05-13
申请号：US12486516
申请日：2009-06-17
IPC分类号： A47J37/08
CPC分类号： A47J37/085
摘要： A toasting appliance includes a toasting chamber, a heating element for heating a foodstuff located within the toasting chamber, an optical system having a first light source for illuminating the foodstuff with light having a first wavelength and an optical receiver for detecting light reflected from the foodstuff. A second light source is provided for illuminating at least the optical receiver with light having a second wavelength different from the first wavelength. A controller varies the intensity of the light emitted from the second light source during a toasting operation.
摘要翻译： 烘烤用具包括烘烤室，用于加热位于烘烤室内的食品的加热元件，具有用于用具有第一波长的光照射食品的第一光源的光学系统和用于检测从食品反射的光的光接收器 。 提供了第二光源，用于用具有不同于第一波长的第二波长的光来至少照射光接收器。 控制器在烘烤操作期间改变从第二光源发射的光的强度。
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公开(公告)号：US20100154653A1
公开(公告)日：2010-06-24
申请号：US12486516
申请日：2009-06-17
CPC分类号： A47J37/085
摘要： A toasting appliance includes a toasting chamber, a heating element for heating a foodstuff located within the toasting chamber, an optical system having a first light source for illuminating the foodstuff with light having a first wavelength and an optical receiver for detecting light reflected from the foodstuff. A second light source is provided for illuminating at least the optical receiver with light having a second wavelength different from the first wavelength. A controller varies the intensity of the light emitted from the second light source during a toasting operation.
摘要翻译： 烘烤用具包括烘烤室，用于加热位于烘烤室内的食品的加热元件，具有用于用具有第一波长的光照射食品的第一光源的光学系统和用于检测从食品反射的光的光接收器 。 提供了第二光源，用于用具有不同于第一波长的第二波长的光来至少照射光接收器。 控制器在烘烤操作期间改变从第二光源发射的光的强度。
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公开(公告)号：US08227002B2
公开(公告)日：2012-07-24
申请号：US12487152
申请日：2009-06-18
CPC分类号： A47J37/085
摘要： A toasting appliance includes a toasting chamber, a heating element arranged to heat a foodstuff located within the toasting chamber, and an optical system for optically illuminating the foodstuff and detecting light reflected from the foodstuff. Before the foodstuff begins to change color as a result due to the heating thereof by the heating element, a controller varies the illumination of the foodstuff by the optical system so that the intensity of the light reflected from the foodstuff is at or around a set value. The controller subsequently terminates the toasting operation when the intensity of the light reflected from the foodstuff has reduced, due to toasting thereof, from the set value by an amount depending on a desired degree of toasting of the foodstuff.
摘要翻译： 烘烤用具包括烘烤室，用于加热位于烘烤室内的食品的加热元件，以及用于光学照射食物并检测从食品反射的光的光学系统。 在食品由于加热元件的加热而开始改变颜色之前，控制器通过光学系统改变食物的照明，使得从食品反射的光的强度处于或接近设定值 。 当从食品反射的光的强度由于烘烤而从设定值减少到根据期望的食物烘烤程度的量时，控制器随后终止烘烤操作。
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公开(公告)号：US20100151103A1
公开(公告)日：2010-06-17
申请号：US12487152
申请日：2009-06-18
CPC分类号： A47J37/085
摘要： A toasting appliance includes a toasting chamber, a heating element arranged to heat a foodstuff located within the toasting chamber, and an optical system for optically illuminating the foodstuff and detecting light reflected from the foodstuff. Before the foodstuff begins to change colour as a result due to the heating thereof by the heating element, a controller varies the illumination of the foodstuff by the optical system so that the intensity of the light reflected from the foodstuff is at or around a set value. The controller subsequently terminates the toasting operation when the intensity of the light reflected from the foodstuff has reduced, due to toasting thereof, from the set value by an amount depending on a desired degree of toasting of the foodstuff.
摘要翻译： 烘烤用具包括烘烤室，用于加热位于烘烤室内的食品的加热元件，以及用于光学照射食物并检测从食品反射的光的光学系统。 在食品由于加热元件的加热而开始改变颜色之前，控制器通过光学系统改变食物的照明，使得从食品反射的光的强度处于或接近设定值 。 当从食品反射的光的强度由于烘烤而从设定值减少到根据期望的食物烘烤程度的量时，控制器随后终止烘烤操作。
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