Personal care appliance
AssigneeThe Gillette Company
InventorsJudith Habermann, Alexander Tessmann, Hauke Bruening
Life of this patent
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Abstract
A consumer appliance with a body. A cartridge removably mounted to the body. The cartridge having a surface with a first colored region and a second colored region. A control circuit positioned within the body. A first emitter that projects a first light at the first colored region and a second light at the second colored region. A first light sensor mounted the body that sends a first signal to the control circuit based on a color of light reflected from the first colored region. A second light sensor mounted to the body that sends a second signal to the control circuit based on a color of the light reflected from the second colored region.
Claims20
A consumer appliance comprising:
- a body;
- a cartridge removably mounted to the body, the cartridge having a surface with a first colored region and a second colored region;
- a control circuit positioned within the body;
- a first emitter that projects a first light at the first colored region and a second light at the second colored region;
- a first light sensor mounted to the body that sends a first signal to the control circuit based on a color of light reflected from the first colored region;
- and
- a second light sensor mounted to the body that sends a second signal to the control circuit based on a color of the light reflected from the second colored region.
A cartridge comprising:
- a housing defining an opening dimensioned to receive an optical sensor subassembly;
- one or more blades mounted to the housing, wherein the opening is defined by a surface having a first colored region and a second colored region that is a different color than the first colored region.
Dependencies are inferred from the claim text.