Coulomb counter circuitry
US-12101097-B2 · Sep 24, 2024 · US
Apparatus and method for monitoring electrical current
US9397690B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9397690-B2 |
| Application number | US-201314766762-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 21, 2013 |
| Priority date | Mar 21, 2013 |
| Publication date | Jul 19, 2016 |
| Grant date | Jul 19, 2016 |
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Abstract
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An apparatus for sensing current of a vehicle battery employs an extended counting analog-to-digital conversion process ( 212 ) to a chopped and amplified voltage appearing across a low ohmic shunt resistor ( 203 ) placed between the negative pole of the vehicle's battery and the chassis ground of the vehicle. Gain adjustment control of a programmable gain amplifier ( 209 ) by matching the gain to the dynamic range of the ADC ( 212 ) permits a high dynamic signal sensing.
First claim
Opening claim text (preview).
The invention claimed is: 1. A method for monitoring electrical current in a supply line, the method comprising: connecting a shunt resistor in said supply line; connecting input signal lines across the shunt resistor; receiving an input signal on said input signal lines; chopping the input signal to produce a modulated analog signal; amplifying the modulated analog signal in a variable gain amplifier to produce an amplified analog signal; converting the amplified analog…
Assignees
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Physics · mapped topic
- G01R19/2509Primary
Physics · mapped topic
Physics · mapped topic
Electricity · mapped topic
Physics · mapped topic
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- What does patent US9397690B2 cover?
- An apparatus for sensing current of a vehicle battery employs an extended counting analog-to-digital conversion process ( 212 ) to a chopped and amplified voltage appearing across a low ohmic shunt resistor ( 203 ) placed between the negative pole of the vehicle's battery and the chassis ground of the vehicle. Gain adjustment control of a programmable gain amplifier ( 209 ) by matching the gain…
- Who is the assignee on this patent?
- Lasseuguette Jean, Casters Jérôme, Ollitrault Stéphane, and 3 more
- What technology area does this patent fall under?
- Primary CPC classification G01R19/2509. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Jul 19 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).