Patent ID: 8833889
Filing Date: 2014-09-16
Classification: B41J

Abstract:
1. An element substrate comprising: a first driving element and a second driving element for generating energy; a first resistance element corresponding to said first driving element and a second resistance element corresponding to said second driving element, each of the first and second resistance elements including a first terminal and a second terminal, wherein the first terminals of said first resistance element and said second resistance element are connectable through switches to a first line for supplying a first current, and the second terminals of said first resistance element and second resistance element are commonly connected to a second line for supplying a second current; a selection unit connected to the switches and configured to selectively supply power to the first and second resistance elements; and a detection unit configured to detect a voltage of the first terminal of said first resistance element and a voltage of the first terminal of said second resistance element while the power is supplied to said first resistance element and is not supplied to said second resistance element, wherein said first driving element, said first resistance element, said second driving element and said second resistance element are arranged in one line.