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公开(公告)号：US20230036398A1
公开(公告)日：2023-02-02
申请号：US17789602
申请日：2021-01-22
Applicant: Dyson Technology Limited
Abstract: A cleaner head for a vacuum cleaner includes a laser diode for illuminating debris located upon a region of a work surface located in front of the cleaner head with green light.
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公开(公告)号：US20230029933A1
公开(公告)日：2023-02-02
申请号：US17789614
申请日：2021-01-22
Applicant: Dyson Technology Limited
Abstract: A cleaner head for a vacuum cleaner includes an optical system located towards one side of the cleaner head. The optical system includes a light source and at least one light shaping component for receiving light emitted from the light source and directing the light towards a planar work surface on which the cleaner head is disposed to illuminate debris located upon a region of the work surface. This region upon which debris is illuminated is in the shape of a sector. A central axis of the sector is aligned at an angle in the range from 35 to 65° to a front edge of the cleaner head, and one of the radii bounding the sector is aligned at an acute angle of less than 20° to the front edge of the cleaner head.
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