×

BATTERY TESTER

  • US 20120212233A1
  • Filed: 04/30/2012
  • Published: 08/23/2012
  • Est. Priority Date: 05/22/2008
  • Status: Active Grant
First Claim
Patent Images

1. A battery tester for determining a remaining level of charge in a battery within an electronic device having an audio output jack, the tester comprising a charge measuring circuit and a stereo-type audio plug having a tip contact and two cylindrical contacts, the tip contact and the two cylindrical contacts being axially spaced and insulated from one another, wherein the charge measuring circuit has two input connections, each input connection being connected to one of said three axially spaced cylindrical contacts.

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