The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 16, 2018
Filed:
Aug. 25, 2016
Cheng Uei Precision Industry Co., Ltd., New Taipei, TW;
James Lee, New Taipei, TW;
Kuo Yang Wu, New Taipei, TW;
Wen Bing Hsu, New Taipei, TW;
Hsiang Ling Chung, New Taipei, TW;
Ching Jang Shyr, New Taipei, TW;
Tsung Hsun Yu, New Taipei, TW;
Hsiu Fen Wang, New Taipei, TW;
Cheng Uei Precision Industry Co., Ltd., New Taipei, TW;
Abstract
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.