G - Physics – 05 – F
Patent
G - Physics
05
F
323/4, 321/65
G05F 1/56 (2006.01)
Patent
CA 1211790
POWER SUPPLY SYSTEM Abstract of the Disclosure A power supply system includes a switching type regulated power supply operable to provide switched regulated D.C. output voltages. A first winding having a first terminal and a second terminal is provided. The first terminal is connected to be energized by the switched D.C. output voltage of the switching type regulated power supply such that a switched D.C. voltage is developed at the second terminal of the first winding. A second winding electromagnetically coupled to said first winding and having a first and a second terminal is also provided. A capacitor and a diode are coupled between the first and the second terminal of the first winding. Means connect the diode and the capacitor to the first terminal of the second winding. The power supply system may be part of a postage meter system. A postage meter includes accounting means operatively coupled to a postage printing means. The accounting means accounts for postage printed by the printing means. The accounting means include a nonvolatile memory for storing accounting and other data when no power is being supplied to the meter. A first winding is provided with a first and second terminal. The first winding first terminal is energized from a source of alternating voltage. A second winding oppositely poled to the first winding is electromagnetically coupled to the first winding. A series connected capacitor and diode are connected between the first and the second terminal of the first winding. First circuit means are coupled between the second terminal of the first winding and the accounting means. Second circuit means are coupled between the second winding and the accounting means. The second winding may have a tap connection with third circuit means provided, coupling the tap connection to the accounting means.
486505
Pitney Bowes Inc.
Sim & Mcburney
LandOfFree
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