Surgical instrument battery pack with voltage polling
US-2024058001-A1 · Feb 22, 2024 · US
Battery system for vehicle, on-vehicle battery module, and cell controller
US9008902B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9008902-B2 |
| Application number | US-201314094070-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 2, 2013 |
| Priority date | Jan 29, 2008 |
| Publication date | Apr 14, 2015 |
| Grant date | Apr 14, 2015 |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
A battery system for vehicle comprises a battery unit that is constituted with a plurality of serially connected cell groups each include a plurality of serially connected battery cells, integrated circuits that are each disposed in correspondence to one of the cell groups of the battery unit and each measure terminal voltages at the battery cells in the corresponding cell group, and a signal transmission path through which one of the integrated circuits is connected to another one of the integrated circuits or to a circuit other than that of the integrated circuits.
First claim
Opening claim text (preview).
What is claimed is: 1. A monitoring device for a battery system that includes a plurality of cell groups, which are electrically connected in series, each include a plurality of battery cells, which are electrically connected in series, comprising: a plurality of integrated circuits that are each provided in correspondence to one of the plurality of cell groups and each measure each of terminal voltages at the plurality of battery cells in a corresponding cell group, wherein the…
Assignees
Inventors
Classifications
Patent family
Related publications grouped by family.
External sources
Next steps
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US9008902B2 cover?
- A battery system for vehicle comprises a battery unit that is constituted with a plurality of serially connected cell groups each include a plurality of serially connected battery cells, integrated circuits that are each disposed in correspondence to one of the cell groups of the battery unit and each measure terminal voltages at the battery cells in the corresponding cell group, and a signal t…
- Who is the assignee on this patent?
- Hitachi Ltd, Hitachi Vehicle Energy Ltd, Hitachi Ltd, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification G01R31/36. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Apr 14 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).