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Battery Cell Voltage Measuring Apparatus And Method
Abstract: The present invention discloses an apparatus and a method for monitoring the cell voltage of a battery pack. The apparatus for monitoring battery pack, cell voltage comprises: a plurality of floating capacitors in one-to-one correspondence with a plurality of cells included in the battery pack; a plurality of switches in one-to-one correspondence with the batteries, said switches able to switch from a charging mode to a monitoring mode; and a cell voltage detector for charging each floating capacitor to a relevant cell charge by switching each switch to the charging mode, and for applying the cell voltage charged in the floating capacitor between a reference potential and a common cell voltage monitoring line by temporarily switching each switch to the monitoring mode to perform cell voltage monitoring.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
24 June 2011
Publication Number
17/2012
Publication Type
INA
Invention Field
PHYSICS
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2018-03-20
Renewal Date
Applicants
LG CHEM LTD.
20 Yoido-dong Youngdungpo-gu Seoul 150-721 Republic of Korea.
Inventors
1. HEO Jin-Seok
104 287-4 Jeonmin-dong Yuseong-gu Daejeon 305-810 Republic of Korea.
2. LEE Dal-Hoon
1402 Anusville Dunsan-dong Seo-gu Daejeon 302-120 Republic of Korea.
3. KIM Jee-Ho
803-2501 Techno Valley 8 Danji Gwanpyeong-dong Yuseong-gu Daejeon 305-791 Republic of Korea.
4. LEE Sang-Hoon
8-407 LG CHEM Employee Apt. Doryong-dong Yuseong-gu Daejeon 305-340 Republic of Korea.
5. JIN Chang-Eon
101-1702 Hanwa Ggumegreen Gwanpyeong-dong Yuseong-gu Daejeon 305-509 Republic of Korea.
Specification
Attached
Documents
Orders
| Section | Controller | Decision Date |
|---|---|---|
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 4900-DELNP-2011-GPA-(25-07-2011).pdf | 2011-07-25 |
| 2 | 4900-DELNP-2011-Form-18-(25-07-2011).pdf | 2011-07-25 |
| 3 | 4900-DELNP-2011-Correspondence-Others-(25-07-2011).pdf | 2011-07-25 |
| 4 | 4900-delnp-2011-Correspondence Others-(10-08-2011).pdf | 2011-08-10 |
| 5 | 4900-delnp-2011-Assignment-(10-08-2011).pdf | 2011-08-10 |
| 6 | 4900-DELNP-2011-Drawings-(17-08-2011).pdf | 2011-08-17 |
| 7 | 4900-DELNP-2011-Correspondence Others-(17-08-2011).pdf | 2011-08-17 |
| 8 | Power of Authority.pdf | 2011-08-21 |
| 9 | Form-5.pdf | 2011-08-21 |
| 10 | Form-3.pdf | 2011-08-21 |
| 11 | Form-1.pdf | 2011-08-21 |
| 12 | Drawings.pdf | 2011-08-21 |
| 13 | 4900-delnp-2011-Form-3-(22-12-2011).pdf | 2011-12-22 |
| 14 | 4900-delnp-2011-Correspondence Others-(22-12-2011).pdf | 2011-12-22 |
| 15 | 4900-delnp-2011-Correspondence-Others-(17-02-2012).pdf | 2012-02-17 |
| 16 | 4900-DELNP-2011-FER.pdf | 2016-12-29 |
| 17 | Other Document [28-06-2017(online)].pdf | 2017-06-28 |
| 18 | Examination Report Reply Recieved [28-06-2017(online)].pdf | 2017-06-28 |
| 19 | Correspondence [28-06-2017(online)].pdf | 2017-06-28 |
| 20 | Claims [28-06-2017(online)].pdf | 2017-06-28 |
| 21 | 4900-DELNP-2011-HearingNoticeLetter.pdf | 2017-11-27 |
| 22 | 4900-DELNP-2011-FORM-26 [07-12-2017(online)].pdf | 2017-12-07 |
| 23 | 4900-DELNP-2011-Power of Attorney-111217.pdf | 2017-12-15 |
| 24 | 4900-DELNP-2011-Correspondence-111217.pdf | 2017-12-15 |
| 25 | 4900-DELNP-2011-Written submissions and relevant documents (MANDATORY) [22-12-2017(online)].pdf | 2017-12-22 |
| 26 | 4900-DELNP-2011-PatentCertificate20-03-2018.pdf | 2018-03-20 |
| 27 | 4900-DELNP-2011-IntimationOfGrant20-03-2018.pdf | 2018-03-20 |
| 28 | 4900-DELNP-2011-RELEVANT DOCUMENTS [28-03-2019(online)].pdf | 2019-03-28 |
| 29 | 4900-DELNP-2011-RELEVANT DOCUMENTS [21-02-2020(online)].pdf | 2020-02-21 |
| 30 | 4900-DELNP-2011-RELEVANT DOCUMENTS [27-09-2021(online)].pdf | 2021-09-27 |
| 31 | 4900-DELNP-2011-RELEVANT DOCUMENTS [29-09-2021(online)].pdf | 2021-09-29 |
| 32 | 4900-DELNP-2011-RELEVANT DOCUMENTS [15-09-2022(online)].pdf | 2022-09-15 |
| 33 | 4900-DELNP-2011-POWER OF AUTHORITY [24-11-2022(online)].pdf | 2022-11-24 |
| 34 | 4900-DELNP-2011-FORM-16 [24-11-2022(online)].pdf | 2022-11-24 |
| 35 | 4900-DELNP-2011-ASSIGNMENT WITH VERIFIED COPY [24-11-2022(online)].pdf | 2022-11-24 |
| 36 | 4900-DELNP-2011-RELEVANT DOCUMENTS [21-08-2023(online)].pdf | 2023-08-21 |
Search Strategy
| 1 | 4900DELNP2011(1)_28-12-2016.pdf |