Standby loss prevention module, transformer system including...

Details Standby loss prevention module, transformer system including... Standby loss prevention module, transformer system including...

2008-07-01

2008-07-01

Tweel, Jr., John (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specified power supply

C340S693100

Reexamination Certificate

active

07394397

ABSTRACT:
Methods and apparatus for controlling power to a load device. The apparatus include a standby loss prevention module or a transformer system including the module. The module and system are directed to sensing load requirements and controlling a transformer accordingly to reduce power consumption when the load is in a stand by mode. One method includes interposing a control switch between an electrical supply and a load device, determining when the load device requires full-level operational power, activating the control switch to interpose a step-up transformer between the electrical supply and the load device, providing full-level operational power to the load device, and deactivating the step-up transformer when the load device is not in use.

REFERENCES:
patent: 4962373 (1990-10-01), Sirois
patent: 5717386 (1998-02-01), Sakagami et al.
patent: 6587047 (2003-07-01), Nilsson et al.
patent: 7064662 (2006-06-01), Goggin

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