Patent ID: 7111916
Filing Date: 2006-09-26
Classification: B41J

Abstract:
1. A fluid level detection sensor for measuring a media coating fluid level in a media coating system, wherein the media coating system has an applicator with a trough to contain the media coating fluid and the fluid level detection sensor is located within the applicator, comprising: a. a first probe made of conducting material having a connecting end, a measuring end and a body there between; b. a second probe made of conducting material having a connecting end, a measuring end and a body therebetween, wherein the first probe and the second probe are spaced apart from each other such that an impedance between the measuring end of the first probe and the measuring end of the second probe can be measured; c. an oscillator having an output, wherein the output is electrically coupled to the connecting end of the first probe; and d. a detector comprising: