Patent ID: 7479759
Filing Date: 2009-01-20
Classification: H02J

Abstract:
1. An electronic device comprising: a handheld electronic device having a first battery; a holder having a second battery; said handheld electronic device and said holder being electrically connectable together; and a charging apparatus disposed on at least one of said handheld electronic device and said holder, said charging apparatus being adapted to charge said first battery from said second battery, said charging apparatus comprising a voltage boost circuit and a charging circuit, the voltage boost circuit being adapted to receive current from said second battery at a first voltage and to output current to said charging circuit at a second voltage greater than said first voltage, wherein said handheld electronic device includes a plurality of first contacts and said holder includes a plurality of second contacts, said first contacts and said second contacts being electrically connectable together, said handheld electronic device is receivable in said holder in a first orientation and in a second orientation, at least a portion of said first contacts and at least a portion of said second contacts being electrically connectable together when said handheld electronic device is received in said holder in said first orientation, at least a portion of said first contacts and at least a portion of said second contacts being electrically connectable together when said handheld electronic device is received in said holder in said second orientation, and in said first orientation, a display and a keyboard are structured to face generally toward an opening of said holder, and in said second orientation, the display and the keyboard are structured to face generally from the opening toward a wall of said holder.