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:
May. 16, 2017
Filed:
Apr. 17, 2015
Applicants:
Qisda (Suzhou) Co., Ltd., Suzhou, CN;
Qisda Corporation, Taoyuan, TW;
Inventors:
Hsien Jung Chang, New Taipei, TW;
Chi Cheng Lin, Taoyuan, TW;
Assignees:
Qisda (Suzhou) Co., LTD., Suzhou, CN;
Qisda Corporation, Taoyuan, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01J 5/00 (2006.01); G01J 5/02 (2006.01); G01J 5/34 (2006.01); H02N 10/00 (2006.01); H02K 7/075 (2006.01); H02K 41/035 (2006.01); H01L 41/09 (2006.01); G01J 5/04 (2006.01);
U.S. Cl.
CPC ...
G01J 5/0205 (2013.01); G01J 5/047 (2013.01); G01J 5/34 (2013.01); H01L 41/0926 (2013.01); H02K 7/075 (2013.01); H02K 41/0352 (2013.01); H02N 10/00 (2013.01);
Abstract
A pyroelectric sensing device includes two pyroelectric sensors and a driving mechanism. The driving mechanism is used for driving the two pyroelectric sensors to shift. When a human body stays motionless in an environment, the two pyroelectric sensors driven by the driving mechanism will shift with respect to the human body, such that the two pyroelectric sensors generate different sensing voltages due to the infrared radiation emitted by the human body. Accordingly, the motionless human body will be detected.