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Signal detection circuit, method and system
US8928307B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8928307-B2 |
| Application number | US-201113250736-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 30, 2011 |
| Priority date | Sep 30, 2010 |
| Publication date | Jan 6, 2015 |
| Grant date | Jan 6, 2015 |
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Abstract
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A signal detection circuit is provided, and includes a signal conversion module, a threshold control module, and a comparison module. The signal conversion module is configured to: convert a reference voltage signal into a reference current signal, and send the reference current signal to the threshold control module; convert a voltage signal to be detected into a current signal to be detected, and send the current signal to be detected to the comparison module. The threshold control module is configured to: generate a threshold current signal according the reference current signal, and send the threshold current signal to the comparison module; and receive a threshold control signal, and change magnitude of the threshold current signal according to the threshold control signal. The comparison module is configured to compare magnitude of the current signal to be detected with the magnitude of the threshold current signal, and output a comparison result.
First claim
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What is claimed is: 1. A signal detection circuit, comprising: a signal conversion module, a threshold control module, and a comparison module, wherein: the signal conversion module is configured to: convert a reference voltage signal into a reference current signal, and send the reference current signal to the threshold control module; and convert a voltage signal to be detected into a current signal to be detected, and send the current signal to be detected to the comparison m…
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Physics · mapped topic
- G01R19/16566Primary
Physics · mapped topic
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Frequently asked questions
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- What does patent US8928307B2 cover?
- A signal detection circuit is provided, and includes a signal conversion module, a threshold control module, and a comparison module. The signal conversion module is configured to: convert a reference voltage signal into a reference current signal, and send the reference current signal to the threshold control module; convert a voltage signal to be detected into a current signal to be detected,…
- Who is the assignee on this patent?
- Wang Zhengxiang, Huawei Tech Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification G01R19/16566. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Jan 06 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).