| Patent Number |
Title Of Patent |
Date Issued |
| 8194426 |
DC converter with independently controlled outputs |
June 5, 2012 |
| A power supply includes a transformer having a primary winding and one or more secondary windings. The power supply also includes a primary switch coupled to the primary winding, a control unit coupled to control the primary switch, and N output circuits each to provide a respective one |
| 7782635 |
DC converter with independently controlled outputs |
August 24, 2010 |
| A DC converter comprises a single primary circuit which is coupled to each of a plurality of output circuits in respective time periods, the coupling being provided by switching in the output circuits. Each output circuit produces a respective output voltage and a respective feedback |
| 7505288 |
DC converter with independently controlled outputs |
March 17, 2009 |
| A DC converter comprises a single primary circuit which is coupled to each of a plurality of output circuits in respective time periods, the coupling being provided by switching in the output circuits. Each output circuit produces a respective output voltage and a respective feedback |
| 6924990 |
Power supply arrangements |
August 2, 2005 |
| A switch mode power supply and its start-up circuit produce a controlled output voltage from an input voltage. A power supply control circuit is powered by the output voltage and is responsive to the output voltage to control the power supply. The control circuit responds to differences |
| 6911746 |
Signal and power transformer coupling arrangements |
June 28, 2005 |
| An isolating coupling arrangement couples signals in both directions via a transformer between first and second (or more) units each having differential signal transmit buffers and receivers. A diode bridge and capacitor produce an isolated power supply voltage for the second unit fr |
