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Power Switch Current Estimator At Gate Driver

Abstract: A power switch current estimator (10 for a solid state power switch (13). The power switch (13) includes a control terminal (22), an input current power terminal (16), and an output current power terminal (18). The power switch (13) is further configured with at least one sense terminal (20), (24). One or more parasitic elements define an electrical pathway between a power terminal (16), (18) and a corresponding sense terminal (20), (24). A driver unit (14) that selectively turns the power switch (13) on and off is connected to the control terminal (22) and a sense terminal (24). A current estimator (30) generates an estimated level of current circulating through the solid state power switch (13) in real time in response to one or more switching events of the power switch (13). The estimated level of current is based on values of at least one of the parasitic elements such that the estimated level of load current substantially corresponds to an actual level of load current circulating through the solid state power switch (13).

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
21 December 2011
Publication Number
05/2013
Publication Type
INA
Invention Field
MECHANICAL ENGINEERING
Status
Email
ipo@knspartners.com
Parent Application
Patent Number
Legal Status
Grant Date
2021-01-28
Renewal Date

Applicants

GENERAL ELECTRIC COMPANY
1 RIVER ROAD, SCHENECTADY, NEW YORK 12345, U.S.A

Inventors

1. CURBELO, ALVARO JORGE MARI
GENERAL ELCETRIC COMPANY, GLOBAL RESEARCH, ONE RESEARCH CIRCLE, BUILDING K1-3A59 NISKAYUNA, NEW YORK 12309, USA
2. ZOELS, THOMAS ALOIS
GENERAL ELCETRIC COMPANY, GLOBAL RESEARCH, ONE RESEARCH CIRCLE, BUILDING K1-3A59 NISKAYUNA, NEW YORK 12309, USA

Specification

NA

Documents

Application Documents

# Name Date
1 3766-del-2011-Form-3-(21-05-2012).pdf 2012-05-21
2 3766-del-2011-Correspondence Others-(21-05-2012).pdf 2012-05-21
3 3766-del-2011-GPA.pdf 2012-07-12
4 3766-del-2011-Form-5.pdf 2012-07-12
5 3766-del-2011-Form-3.pdf 2012-07-12
6 3766-del-2011-Form-2.pdf 2012-07-12
7 3766-del-2011-Form-1.pdf 2012-07-12
8 3766-del-2011-Drawings.pdf 2012-07-12
9 3766-del-2011-Description (Complete).pdf 2012-07-12
10 3766-del-2011-Correspondence Others.pdf 2012-07-12
11 3766-del-2011-Claims.pdf 2012-07-12
12 3766-del-2011-Assignment.pdf 2012-07-12
13 3766-del-2011-Abstract.pdf 2012-07-12
14 GPOA_GEC.pdf 2014-10-28
15 247338 Form 13.pdf 2014-10-28
16 3766-DEL-2011-FER.pdf 2019-04-30
17 3766-DEL-2011-RELEVANT DOCUMENTS [12-06-2019(online)].pdf 2019-06-12
18 3766-DEL-2011-FORM 13 [12-06-2019(online)].pdf 2019-06-12
19 3766-DEL-2011-PETITION UNDER RULE 137 [24-10-2019(online)].pdf 2019-10-24
20 3766-DEL-2011-OTHERS [24-10-2019(online)].pdf 2019-10-24
21 3766-DEL-2011-FER_SER_REPLY [24-10-2019(online)].pdf 2019-10-24
22 3766-DEL-2011-COMPLETE SPECIFICATION [24-10-2019(online)].pdf 2019-10-24
23 3766-DEL-2011-CLAIMS [24-10-2019(online)].pdf 2019-10-24
24 3766-DEL-2011-ABSTRACT [24-10-2019(online)].pdf 2019-10-24
25 3766-DEL-2011-PatentCertificate28-01-2021.pdf 2021-01-28
26 3766-DEL-2011-IntimationOfGrant28-01-2021.pdf 2021-01-28
27 3766-DEL-2011-POWER OF AUTHORITY [26-02-2024(online)].pdf 2024-02-26
28 3766-DEL-2011-FORM-16 [26-02-2024(online)].pdf 2024-02-26
29 3766-DEL-2011-ASSIGNMENT WITH VERIFIED COPY [26-02-2024(online)].pdf 2024-02-26

Search Strategy

1 SearchStrategy_30-04-2019.pdf

ERegister / Renewals

3rd: 28 Jan 2021

From 21/12/2013 - To 21/12/2014

4th: 28 Jan 2021

From 21/12/2014 - To 21/12/2015

5th: 28 Jan 2021

From 21/12/2015 - To 21/12/2016

6th: 28 Jan 2021

From 21/12/2016 - To 21/12/2017

7th: 28 Jan 2021

From 21/12/2017 - To 21/12/2018

8th: 28 Jan 2021

From 21/12/2018 - To 21/12/2019

9th: 28 Jan 2021

From 21/12/2019 - To 21/12/2020

10th: 28 Jan 2021

From 21/12/2020 - To 21/12/2021

11th: 20 Dec 2021

From 21/12/2021 - To 21/12/2022

12th: 19 Dec 2022

From 21/12/2022 - To 21/12/2023

13th: 21 Dec 2023

From 21/12/2023 - To 21/12/2024

14th: 19 Dec 2024

From 21/12/2024 - To 21/12/2025