Battery pack and charger for portable electronic devices
First Claim
1. A combination supplemental battery pack and battery charger unit for use with an associated portable electronic device having an electrical power input, said unit comprising:
- a power input connector adapted to be coupled to an external source of electrical power;
a power output connector adapted to be coupled to a power input of an associated portable electronic device;
a converter/transformer circuit coupled to said power input connector for converting D.C. power received by said power input connector and varying over a preselected D.C. voltage range to D.C. voltage lying within a preselected narrow voltage range;
a first conductive path extending between said converter/transformer circuit and said power output connector;
a switch having a movable contact and three stationary contacts, a first one of said three stationary contacts being connected to said first conductive path, a second one of said three stationary contacts being an open connection;
a second conductive path coupled to said converter/transformer circuit; and
a rechargeable battery having an input connected to said second conductive path so that said rechargeable battery can be recharged when external power is applied to said power input connector, and an output coupled to said movable contact of said switch;
said rechargeable battery being connected to said power output connector when said movable contact of said switch is placed in contact with said first one of said three stationary contacts to provide supplemental D.C. electrical power to an associated portable electronic device connected to said power output connector, and said rechargeable battery being disconnected from said power output connector when said movable contact of said switch is placed in contact with said second one of said three stationary contacts.
0 Assignments
0 Petitions
Accused Products
Abstract
A combination battery pack/battery charger unit for use with a portable electronic device with an internal rechargeable battery. The battery pack/charger unit has a power input connector for receiving external D.C. power, a power output connector for supplying D.C. power to the portable electronic device, a power converter/transformer for converting unregulated D.C. input power to regulated D.C. power, a first direct power path between the converter/transformer and the power output connector, a three position switch, and a rechargeable battery connected between the input connector and the switch. LED indicators display the charging mode and the discharging mode. A high intensity LED coupled to the battery via the switch provides a flashlight mode. The unit provides recharging capability for the internal battery of the portable electronic device and extends the active use time of the portable electronic device.
-
Citations
10 Claims
-
1. A combination supplemental battery pack and battery charger unit for use with an associated portable electronic device having an electrical power input, said unit comprising:
-
a power input connector adapted to be coupled to an external source of electrical power;
a power output connector adapted to be coupled to a power input of an associated portable electronic device;
a converter/transformer circuit coupled to said power input connector for converting D.C. power received by said power input connector and varying over a preselected D.C. voltage range to D.C. voltage lying within a preselected narrow voltage range;
a first conductive path extending between said converter/transformer circuit and said power output connector;
a switch having a movable contact and three stationary contacts, a first one of said three stationary contacts being connected to said first conductive path, a second one of said three stationary contacts being an open connection;
a second conductive path coupled to said converter/transformer circuit; and
a rechargeable battery having an input connected to said second conductive path so that said rechargeable battery can be recharged when external power is applied to said power input connector, and an output coupled to said movable contact of said switch;
said rechargeable battery being connected to said power output connector when said movable contact of said switch is placed in contact with said first one of said three stationary contacts to provide supplemental D.C. electrical power to an associated portable electronic device connected to said power output connector, and said rechargeable battery being disconnected from said power output connector when said movable contact of said switch is placed in contact with said second one of said three stationary contacts. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
Specification