×

Portable battery charger for cellular telephones

  • US 20030128010A1
  • Filed: 12/05/2002
  • Published: 07/10/2003
  • Est. Priority Date: 01/08/2002
  • Status: Active Grant
First Claim
Patent Images

1. A cellular phone battery charging device, comprising:

  • a solar panel for receiving and converting solar energy to electrical power;

    an adapter for connection to a phone battery to be charged; and

    a housing connected to the solar panel and to the adapter, said housing being adapted to contain at least one internal battery and having connecting circuitry and a switch for selecting a source of power and a destination battery to be charged, wherein the source of power is selected from the group consisting of the solar panel and the internal battery.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×