Liquid level detection apparatus

Details Liquid level detection apparatus Liquid level detection apparatus

2008-04-17

2011-10-25

Williams, Hezron E (Department: 2856)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

Reexamination Certificate

active

08044698

ABSTRACT:
A liquid level detection apparatus includes a resistance plate which has a conducting pattern formed on a board, the conducting pattern including a first slide portion, a second slide portion, a plus electrode electrically connected to the first slide portion, and a minus electrode electrically connected to the second slide portion, a float which moves in accordance with a change of a liquid level, a float arm connected to the float, a sliding arm which slides over the resistance plate in accordance with a pivotal movement of the float arm, a plus connection terminal connected to the plus electrode, a minus connection terminal connected to the minus electrode, and a protective layer formed on the plus connection terminal so as to cover the plus connection terminal.

REFERENCES:
patent: 6724201 (2004-04-01), Sato et al.
patent: 2002/0045682 (2002-04-01), Kagawa
patent: 2006/0042377 (2006-03-01), Nakagawa et al.
patent: 2007/0205158 (2007-09-01), Shanahan et al.
patent: 9-5145 (1997-01-01), None
patent: 3898913 (2007-01-01), None
Official Communication issued May 4, 2010 in counterpart German Application No. 10 2008 021 113.3.

Affiliated with

Also associated with

Rating

Liquid level detection apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Liquid level detection apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Liquid level detection apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4277839