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Method and apparatus for distinguishing momentary loss of battery contact from an undervoltage condition
US9348398B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9348398-B2 |
| Application number | US-201414319560-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 30, 2014 |
| Priority date | Jul 1, 2013 |
| Publication date | May 24, 2016 |
| Grant date | May 24, 2016 |
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Abstract
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A method and apparatus for distinguishing momentary loss of battery contact from a battery undervoltage condition in a portable device sense the current into the portable device from the battery, and when the current drops to a level indicating that contact with the battery has been lost, the portable device is allowed to operate at a lower voltage than a nominal undervoltage limit of the battery until contact is resumed.
First claim
Opening claim text (preview).
We claim: 1. A circuit for distinguishing momentary loss of battery contact from a battery undervoltage condition in a portable device, comprising: an undervoltage sensing circuit that senses a battery voltage provided at a battery contact of the portable device and compares it to an undervoltage reference voltage level corresponding to an undervoltage limit and provides an undervoltage signal to a controller of the portable device when the battery voltage falls below the undervol…
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- G06F1/3212Primary
Physics · mapped topic
Physics · mapped topic
Physics · mapped topic
Cross-Sectional Technologies · mapped topic
Physics · mapped topic
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Frequently asked questions
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- What does patent US9348398B2 cover?
- A method and apparatus for distinguishing momentary loss of battery contact from a battery undervoltage condition in a portable device sense the current into the portable device from the battery, and when the current drops to a level indicating that contact with the battery has been lost, the portable device is allowed to operate at a lower voltage than a nominal undervoltage limit of the batte…
- Who is the assignee on this patent?
- Motorola Solutions Inc, Motorola Solutions Inc
- What technology area does this patent fall under?
- Primary CPC classification G06F1/3212. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue May 24 2016 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).