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.

Date of Patent:
Oct. 14, 2025

Filed:

Jun. 24, 2022
Applicant:

Schneider Electric IT Corporation, Foxboro, MA (US);

Inventors:

Bo Liu, Shanghai, CN;

Le Wang, Shanghai, CN;

Mingji Chen, Shanghai, CN;

Jinnan Shen, Shanghai, CN;

Xinfu Liu, Shanghai, CN;

Huafeng Song, Shanghai, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 9/00 (2006.01); E05B 47/00 (2006.01);
U.S. Cl.
CPC ...
E05B 47/0004 (2013.01); H01H 9/00 (2013.01); E05B 2047/0016 (2013.01); E05B 2047/0073 (2013.01);
Abstract

A lock includes a latch and electromagnet configured to open the latch in response to a voltage being applied across the electromagnet. The lock includes a normally closed switch configured to open in response to the voltage being applied across the electromagnet. The lock includes a normally open switch configured to close in response to the voltage being applied across the electromagnet. A method of opening a lock includes applying a voltage across an electromagnet in a lock. The electromagnet is configured to open a latch in the lock in response to the voltage being applied across the electromagnet. The method includes causing the electromagnet to open the latch in response to the voltage being applied across the electromagnet. The method includes opening a normally closed switch by applying the voltage across the electromagnet and closing a normally open switch by applying the voltage across the electromagnet.


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