Pre-conditioning a node of a circuit
US-11936373-B2 · Mar 19, 2024 · US
Power supply and image forming apparatus
US9048835B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9048835-B2 |
| Application number | US-201213662185-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 26, 2012 |
| Priority date | Nov 1, 2011 |
| Publication date | Jun 2, 2015 |
| Grant date | Jun 2, 2015 |
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- Title
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Abstract
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In a power supply, a synchronous rectification switch rectifies a pulse voltage, and a current-voltage conversion unit converts a current on a voltage-input side of the synchronous rectification switch to a first voltage and converts a current on a voltage-output side of the synchronous rectification switch to a second voltage. A switching unit switches an operation state of the synchronous rectification switch based on a result of a comparison between the first voltage and the second voltage converted by the current-voltage conversion unit. A state holding unit holds an off state after the synchronous rectification switch is turned off by the switching unit.
First claim
Opening claim text (preview).
What is claimed is: 1. A power supply comprising: a transformer including a primary winding and a secondary winding; a switching element connected to the secondary winding of the transformer and configured to perform a switch according to a voltage generated in the secondary winding of the transformer; a first current-voltage conversion unit configured to convert a current on a secondary winding connected-side of the switching element to a first voltage; a second current-vol…
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Cross-Sectional Technologies · mapped topic
- H03K17/302Primary
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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Frequently asked questions
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- What does patent US9048835B2 cover?
- In a power supply, a synchronous rectification switch rectifies a pulse voltage, and a current-voltage conversion unit converts a current on a voltage-input side of the synchronous rectification switch to a first voltage and converts a current on a voltage-output side of the synchronous rectification switch to a second voltage. A switching unit switches an operation state of the synchronous rec…
- Who is the assignee on this patent?
- Canon Kk
- What technology area does this patent fall under?
- Primary CPC classification H03K17/302. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Jun 02 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).