Quotables
"The radio craze will die out in time."
Thomas Edison ; 1922
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7362598 | Synchronous rectifier gate drive shutdown circuit A power converter that includes a transformer, a bridge input circuit, a self-driven synchronous rectifier circuit, a gate drive circuit, and a gate drive shutdown circuit. The transformer includes a primary winding connected to the bridge input circuit, a first sec... | 04/22/2008 |
| 7323851 | Digital power factor correction controller and AC-to-DC power supply including same A PFC AC-to-DC power supply is disclosed. According to various embodiments, the PFC AC-to-DC power supply comprises a switching converter comprising at least one main power switch and a PFC controller for controlling the at least one main power switch. The PFC contr... | 01/29/2008 |
| 7275380 | Thermal management system and method A method for determining a fan speed for a fan used to cool a payload is disclosed. The method includes, according to various embodiments, receiving a first signal indicative of a first fan speed and receiving a second signal indicative of a system temperature. The ... | 10/02/2007 |
| 7256676 | Printed circuit board and device including same A multi-layer printed circuit board. The multi-layer printed circuit board includes a first winding, and a first via connected to the first winding. The first winding includes a first edge. The first edge defines a first footprint. The first footprint surrounds and ... | 08/14/2007 |
| 7254044 | Current limit circuit and power supply including same The present invention is directed generally to a power supply. According to various embodiments, the power supply includes at least one DC/DC converter. The converter includes a primary switch controlled by a pulse width modulated control signal such that the primar... | 08/07/2007 |
| 7190291 | Programmable error amplifier for sensing voltage error in the feedback path of digitially programmable voltage sources A programmable error amplifier (PEA) that may be used as part of a voltage regulation subsystem to control the output of a digitally programmable voltage source is disclosed. According to various embodiments, the PEA comprises an amplification circuit, an analog vol... | 03/13/2007 |
| 6628532 | Drive circuit for a voltage-controlled switch A drive circuit for a voltage-controlled switch. The drive circuit includes a normally-on switch including first and second terminals and a control terminal, wherein the first and second terminals have a conduction path therebetween, the second terminal i... | 09/30/2003 |
