Patlite Corporation

Kazuya Nishimatsu

Daisuke Shigematsu

Masao Tomimoto

Yusuke Tone

Tetsuya Miyatake

An indicator light () includes a light source, a lens (), and a cylindrical globe (). The light source includes a center LED (A) disposed on a disposition surface parallel to a central axis (C) and having an optical axis perpendicular to the disposition surface and a pair of side LEDs (B,C). The lens includes a central lens portion (A) and a pair of side lens portions (B,C). The central lens portion emits light to a central radiation angle range (A) centering on a central light-emission reference line (L) along a reference normal line (BN) of the disposition surface. The pair of side lens portions (B,C) emit light to a pair of side radiation angle ranges (A, A), respectively, that contain a pair of side light-emission reference lines (L, L), respectively, that are inclined mutually-opposite directions at an inclined angle of 60&#xb0; with respect to the central light-emission reference line (L). The central lens portion includes a central light incidence portion () having a central incidence surface () on which light from the central LED is made incident and a plurality of central light guiding portions () that branch from the central light incidence portion in the shape of branches and that extend toward the globe side. In each of the central light guiding portions, light that has been refracted and has been made incident from a corresponding incidence region of the central incidence surface onto the corresponding central emission surface is refracted and emitted from the corresponding central emission surface toward a corresponding region of the central radiation angle range.

Indicator light

A main body caseincludes an output openingfor outputting sound from a sound source to an opposing space between an upper main walland a lower main wall. The main body caseincludes a front main wallfor preventing entering of a water droplet to the output openingand for guiding the sound to a rear side B, and a rear main wallfor reflecting the sound to a front side F. A first spacebetween the front main walland the rear main wall, a second spacesurrounded by a left surfaceC of the front main walland the rear main walland the upper main walland the lower main walland a third spacesurrounded by a right surfaceD the front main walland the rear main walland the upper main walland the lower main wallare communicating with one another along a crosswise direction Y at a rear end part of each of these spaces.

Growing community of inventors

Osaka, Japan

Kazuya Nishimatsu