Resources Contact Us Home
Method of using metal conductive blanks for extending useful battery life

Image Number 5 for United States Patent #6074778.

A method of extending the useful life of one or more conventional DC batteries in a battery-powered device. The method involves use of at least one dry cell DC battery, at least one metal blank, and a battery-powered apparatus having a battery compartment and an extension housing. At least one dry cell DC battery is placed inside the battery compartment of the battery-powered apparatus. At least one metal blank is then placed in the extension housing for completing an electrical circuit between first and second contacts of the battery-powered device. Using a voltmeter, the voltage of one of the dry cell DC batteries is tested. If the voltage of the dry cell DC battery is below a threshold voltage level required for the battery-powered apparatus, at least one metal blank is then replaced with a partially-charged battery.

  Recently Added Patents
DC/DC converter, power supply circuit, and semiconductor device
Toy track intersection component
Apparatus for restoring setting information of a board management controller from a backup memory before loading an OS when a system board is replaced
Color image forming apparatus with contact control of process units
Managing and collaborating with digital content
Method of and apparatus for recording motion picture, which generate encoded data with higher compression efficiency using a motion vector similarity
Veronica plant named `Amethyst Plume`
  Randomly Featured Patents
Adapting a network topology
Anchoring system
Thermostatic control of turbine cooling air
Electrical connection materials and electrical connection method
Cellular services screen for a car
Collapsible carrier for kegs
System and method for incremental and reversible data migration and feature deployment
Mobile machines for removing surface irregularities from rail heads
Method for deriving surface consistent reflectivity map from dual sensor seismic data
Plural coil induction device and method for determining in a borehole the azimuth and slope of a discontinuity layer in a homogeneous environment