EAGLEPICHER ENERGY PRODUCTS CORPORATION Patent applications |
Patent application number | Title | Published |
20090181298 | INTEGRAL ELECTROCHEMICAL DEVICE - According to various embodiments, an electrochemical device is provided that comprises an anode terminal pin electrically coupled with an anode, a cathode terminal pin electrically coupled with a cathode, and a terminal surface configured to receive the anode terminal pin and the cathode terminal pin. The electrochemical device may further comprise a shared surface that is configured to interface with the terminal surface to produce an electrode housing, and the shared surface may be configured to be shared between the integral electrochemical device and an apparatus that is configured to receive power from the integral electrochemical device | 07-16-2009 |
20090111006 | PHYSICAL KEY TO FACILITATE AN INACTIVE MODE STATE-OF-CHARGE INDICATOR WITHIN A BATTERY - The invention provides a system and battery including a state-of-charge indicator (SOCI) to monitor and display the amount of charge within the battery. The SOCI is capable of operating in a hibernate mode, an active mode, and/or a sleep mode. The battery may be manufactured, shipped and/or stored with the SOCI operating in a power-saving hibernate mode. The SOCI may exit the hibernate mode and begin operating in active mode if a physical key connected to the battery is removed. In addition, the SOCI may operate in a sleep mode while the battery is not being used to conserve power. Furthermore, the invention provides a method of making a battery including a SOCI to monitor and display the state of charge of the battery. | 04-30-2009 |
20080239603 | BATTERY PROTECTION CIRCUIT FOR LITHIUM CABON MONOFLUORIDE BATTERY - A protection circuit for a primary battery pack provides the battery pack with reverse charge protection. The protection circuit features a metal oxide semiconductor field effect transistor (MOSFET) with a steady state source to drain voltage. The source to drain voltage is controlled through a feedback loop that includes an operational amplifier. The MOSFET is configured in series with one or more battery cells allowing current to flow from the cells and preventing current from flowing to the cells. The MOSFET provides reverse charge protection with a small forward voltage drop and a small reverse charge leakage current. | 10-02-2008 |