Flat cable high-frequency filter, flat cable high-frequency diplexer, and electronic device
US-2015325900-A1 · Nov 12, 2015 · US
Noise filtering circuit for suppressing EMI
US8994477B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8994477-B2 |
| Application number | US-201213443135-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 10, 2012 |
| Priority date | Apr 15, 2011 |
| Publication date | Mar 31, 2015 |
| Grant date | Mar 31, 2015 |
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- Title
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Abstract
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A noise filtering circuit for suppressing electromagnetic interference (EMI) is provided. The noise filtering circuit filters out high multiplied-frequency noise of a digital signal being transmitted and includes a reference voltage structure formed from conductors, a signal transmitting structure formed from a transmission conductor, a ground layer, and a ground structure electrically connected to the reference voltage structure and the ground layer. The ground structure is configured to form an inductor-capacitor oscillating structure in coordination with the electric-magnetical coupling between the reference voltage structure and the signal transmitting structure as well as the inductance of the ground structure, so that a digital signal is filtered out at a specific frequency and the passband of the digital signal can be transmitted.
First claim
Opening claim text (preview).
What is claimed is: 1. A noise filtering circuit for filtering out high frequency multiplied noise during transmission of a digital signal, the noise filtering circuit comprising: a reference voltage structure formed from conductors; a transmission conductor adapted to transmit the digital signal, combined with the reference voltage structure to effectuate electromagnetic coupling, thereby developing transmission line characteristics during the transmission of the digital signal…
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Electricity · mapped topic
Electricity · mapped topic
- H01P1/20345Primary
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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Frequently asked questions
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- What does patent US8994477B2 cover?
- A noise filtering circuit for suppressing electromagnetic interference (EMI) is provided. The noise filtering circuit filters out high multiplied-frequency noise of a digital signal being transmitted and includes a reference voltage structure formed from conductors, a signal transmitting structure formed from a transmission conductor, a ground layer, and a ground structure electrically connecte…
- Who is the assignee on this patent?
- Wu Tzong-Lin, Ao-Ieong Iat-In, Univ Nat Taiwan
- What technology area does this patent fall under?
- Primary CPC classification H01P1/20345. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Mar 31 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).