Robot cleaner
First Claim
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1. A robot cleaner comprising:
- a cleaner body provided with an opening;
a position sensor disposed in the cleaner body, the position sensor comprising a light transmission unit to emit light, a light reception unit to receive light reflected or scattered from an obstacle after being emitted from the light transmission unit and a base which supports the light transmission unit and the light reception unit and is rotatable about the cleaner body;
a transparent member to transmit the light emitted from the light transmission unit and the light to be received by the light reception unit; and
a transparent member frame mounted in the opening to fix the transparent member, whereinthe transparent member frame comprises a coupling groove extending in a longitudinal direction of the transparent member, in the coupling groove is inserted the transparent member, wherein,the coupling groove comprises a linear section and a first curved section and a second curved section, wherein the first curved section and the second curved section are formed at opposite sides of the linear section, respectively, and the transparent member is formed of a flexible material deformable according to a shape of the coupling groove,wherein the light emitted from the transmission unit is incident on a first curved surface portion of the transparent member corresponding to the first curved section, a flat surface portion of the transparent member corresponding to the linear section or a second curved surface portion of the transparent member corresponding to the second curved section according to a rotation of the base.
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Abstract
A robot cleaner is disclosed. The robot cleaner includes a cleaner body, a position sensor disposed in the cleaner body, the position sensor including a light transmission unit to emit light and a light reception unit to receive light reflected or scattered from an obstacle after being emitted from the light transmission unit, and a transparent member to transmit the light emitted from the light transmission unit and the light to be received by the light reception unit.
9 Citations
13 Claims
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1. A robot cleaner comprising:
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a cleaner body provided with an opening; a position sensor disposed in the cleaner body, the position sensor comprising a light transmission unit to emit light, a light reception unit to receive light reflected or scattered from an obstacle after being emitted from the light transmission unit and a base which supports the light transmission unit and the light reception unit and is rotatable about the cleaner body; a transparent member to transmit the light emitted from the light transmission unit and the light to be received by the light reception unit; and a transparent member frame mounted in the opening to fix the transparent member, wherein the transparent member frame comprises a coupling groove extending in a longitudinal direction of the transparent member, in the coupling groove is inserted the transparent member, wherein, the coupling groove comprises a linear section and a first curved section and a second curved section, wherein the first curved section and the second curved section are formed at opposite sides of the linear section, respectively, and the transparent member is formed of a flexible material deformable according to a shape of the coupling groove, wherein the light emitted from the transmission unit is incident on a first curved surface portion of the transparent member corresponding to the first curved section, a flat surface portion of the transparent member corresponding to the linear section or a second curved surface portion of the transparent member corresponding to the second curved section according to a rotation of the base. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification