Cheng Uei Precision Industry Co., Ltd.

Ching Jang Shyr

James Cheng Lee

Wen Bing Hsu

Kuo Yang Wu

Hsiang Ling Chung

Tsung Hsun Yu

Hsiu Fen Wang

An optical heart rate earphone includes a front housing, a circuit board assembly, a rear housing assembled to a rear end of the front housing, and a light pipe. The front housing has a sound tube. At least one portion of the sound tube forms at least one light transmission gap. The circuit board assembly includes a circuit board and at least one optical sensor. The at least one optical sensor is corresponding to the at least one light transmission gap. The light pipe has a circular base. At least one portion of a periphery of the base protrudes rearward to form at least one transmittance slice. The light pipe is assembled to the sound tube. The at least one transmittance slice is wedged in the at least one light transmission gap.

Growing community of inventors

Taipei, Taiwan

Ching Jang Shyr