H02M 1/04

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9998021 Forced zero voltage switching flyback converterOct 25, 16Jun 12, 18Alpha and Omega Semiconductor Incorporated
9124112 Accelerometer-based battery charge status indicatorJun 26, 13Sep 01, 15TYCO FIRE & SECURITY GMBH
7058173 Multi-stage isolation barrier circuitry and method for connection of a telephony device to a telephone lineFeb 27, 02Jun 06, 06SILICON LABORATORIES INC., THOMSON LICENSING,
5539801 Removable telephone line protection module for an electronic deviceNov 25, 94Jul 23, 96NEXTIRAONE, LLC
4538201 Surge protectorApr 06, 84Aug 27, 85ALCATEL N.V.