×

Mobile phone battery

  • US 6,821,670 B2
  • Filed: 03/26/2002
  • Issued: 11/23/2004
  • Est. Priority Date: 11/13/2001
  • Status: Expired due to Fees
First Claim
Patent Images

1. A mobile phone battery arrangement, which is attachable to a back of a mobile phone, and comprising:

  • a cover being provided at a predetermined position with an opening;

    a mobile phone battery cell disposed behind said cover;

    positive and negative contacts located behind said cover and accessible via said opening of said cover for being directly attachable and electrically connectable to respective positive and negative terminals of a rectangular dry cell battery; and

    step-down means provided at an inner side of said cover and having a power output electrically connected to a power input of said mobile phone battery cell;

    whereby an emergency charging of said mobile phone battery cell is possible simply by directly attaching the positive and negative terminals of the rectangular dry cell battery to said positive and said negative contacts of said mobile phone battery arrangement without using a further battery charger.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×