Marichal
Oliver Marichal, Gistel BE
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20130163128 | HIGH HOLDING VOLTAGE, MIXED-VOLTAGE DOMAIN ELECTROSTATIC DISCHARGE CLAMP - An electrostatic discharge (ESD) protection circuit is disclosed including at least a clamping device, a switching device, and a voltage limiter. The ESD protection circuit may include devices of different voltage domains. The switching device may be in series with the clamping device to block at least a portion of a voltage from dropping across the clamping device. The switching device may sustain higher maximum operating voltages than the clamping device. | 06-27-2013 |
Olivier Marichal, Nieuwerkerken BE
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20090101938 | Electrostatic Discharge Protection Circuit - The present invention provides an electrostatic discharge (ESD) protection circuit with a silicon controlled rectifier (SCR) having a plurality of SCR fingers (SCRs) with the advantages to couple the different fingers or SCRs to decrease the multi-triggering problem and to increase the ESD-performance of the circuit. Additionally, a boost circuit can be introduced or additionally multiple SCRs can be coupled inherent through a common base. | 04-23-2009 |
Olivier Marichal, Nieuwerkerken-Aalst BE
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20080218920 | METHOD AND APARATUS FOR IMPROVED ELECTROSTATIC DISCHARGE PROTECTION - An apparatus having an inter-domain electrostatic discharge (ESD) protection circuit for protection of an integrated circuit (IC) with multiple power domains. The protection circuit in response to an ESD event provides an ESD protection between different power domains. Specifically, the protection circuit comprises at least one clamp coupled to one power domain, which conducts current during an ESD event to provide extra current in the interface line between the two different power domains. This extra current also in turn increases the voltage over the impedance element on the interface line, thus improving the design margins for the ESD protection and providing a better ESD protection capability for IC products. | 09-11-2008 |
Olivier Marichal, Sint-Niklaas BE
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20110204415 | HIGH HOLDING VOLTAGE DEVICE - A high holding voltage (HV) electrostatic discharge (ESD) protection circuit comprises a silicon controlled rectifier (SCR) device and compensation regions located within the length between the anode and cathode (LAC) of the SCR device which increase the holding voltage of the SCR device. The compensation regions may introduce negative feedback mechanisms into the SCR device which may influence the loop gain of the SCR and cause it to reach regenerative feedback at a higher holding voltage. | 08-25-2011 |
20140159102 | HIGH HOLDING VOLTAGE ELECTROSTATIC DISCHARGE PROTECTION DEVICE - A high holding voltage (HV) electrostatic discharge (ESD) protection circuit comprises a silicon controlled rectifier (SCR) device and compensation regions located within the length between the anode and cathode (LAC) of the SCR device which increase the holding voltage of the SCR device. The compensation regions may introduce negative feedback mechanisms into the SCR device which may influence the loop gain of the SCR and cause it to reach regenerative feedback at a higher holding voltage. | 06-12-2014 |
Olivier Marichal, Gistel BE
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20150091056 | SEMICONDUCTOR DEVICE FOR ELECTROSTATIC DISCHARGE PROTECTION - Disclosed is an electrostatic discharge (ESD) protection circuit. The ESD protection circuit may include a silicon controller rectifier (SCR) which may be triggered via at least one of its first trigger gate or second trigger gate. The ESD protection circuit may further include a highly doped region coupled to either the anode or cathode of the SCR, wherein the highly doped region may provide additional carriers to facilitate triggering of the SCR during an ESD event, whereby the SCR may be triggered more quickly. | 04-02-2015 |
Xavier Marichal, Court-Saint-Etienne BE
Patent application number | Description | Published |
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20090113389 | Interactive multimedia applications device - An interactive multimedia applications device and method for an interactive multimedia application comprises one or more live media capture devices providing a media stream, an engine comprising a real time media processing module for processing said media stream, and rendering means connected to multimedia output devices. In addition, said device comprises (i) a virtual scenario description repository adapted for storing a plurality of scenarios expressed in a scenario programming language; (ii) a memory module adapted for storing an internal representation of one of said scenarios, and an internal representation of a virtual scene and (iii) a parser/loader for parsing a selected one of said plurality of scenarios, and loading it in said memory module. | 04-30-2009 |