US 2026/0294071 A1 · HAIR DRYER

Abstract

A hair dryer is provided and includes an optical device and a first surface. The optical device may include a first optical element configured to receive and/or emit optical radiation. The first surface may include a portion which defines a first channel, the first channel aligned with the first optical element. The first channel may include a first opening, a second opening further from the first optical element than the first opening, and a width which may increase monotonically between the first opening and the second opening. The portion of the first surface that defines the first channel may be configured to direct the optical radiation between the first opening and the second opening and restrict a field of view and/or field of illumination of the first optical element, respectively, with respect to received and/or emitted optical radiation.

Claims21

Dependent claims

A hair dryer, comprising:

an optical device, the optical device comprising a first optical element configured to receive or emit optical radiation;
and
a first surface, the first surface comprising a portion which defines a first channel, the first channel aligned with the first optical element, wherein:
the first channel comprises:
a first opening;
a second opening further from the first optical element than the first opening;
and
a width which increases monotonically between the first opening and the second opening;
and
the portion of the first surface that defines the first channel is configured to direct the optical radiation between the first opening and the second opening and restrict a field of view or field of illumination of the first optical element, respectively, with respect to received or emitted optical radiation.

7 more elements

Dependencies are inferred from the claim text.

Hair dryer

Life of this patent

Hair dryer

Life of this patent

Abstract

Claims21