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:
Sep. 27, 2022

Filed:

Dec. 20, 2017
Applicant:

Assa Abloy Ab, Stockholm, SE;

Inventors:

Anders Cöster, Stockholm, SE;

Bernt Arbegard, Järfälla, SE;

Assignee:

ASSA ABLOY AB, Stockholm, SE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G07C 9/00 (2020.01); H02M 3/156 (2006.01); H02M 3/158 (2006.01);
U.S. Cl.
CPC ...
G07C 9/00309 (2013.01); H02M 3/158 (2013.01); H02M 3/1563 (2013.01); G07C 2009/00634 (2013.01); G07C 2009/00769 (2013.01);
Abstract

It is presented a power converter for transferring electric power provided on an input terminal to an energy storage element. The power converter comprises: an inductor; a switch connected to selectively control a connection between the inductor and the input terminal; and a comparator, wherein an output of the comparator controls the switch, a first input of the comparator is supplied with a voltage being proportional to a voltage of the input terminal, and a second input of the comparator is supplied with a voltage being proportional to a current from the input terminal; wherein the energy storage element is connected to a point between the inductor and the switch.


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