The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 20, 1993
Filed:
May. 01, 1992
Yazaki Corporation, , JP;
Abstract
A heat radiating type level sensor measurement of liquid level capable of preventing the errors in a case of sudden environmental temperature change, and accounting for the agitated motion of the liquid surface. The measured liquid level can be obtained as the steady state output voltage plus a difference between the initial output voltage for a present measurement and the initial output voltage for an immediately preceding measurement, with the difference multiplied by a predetermined constant. The measured liquid level for a present measurement can also be obtained as an arithmetic average of the steady state output voltage and a predetermined number of previous steady state output voltages within a prescribed range obtained by previous measurements, in a case the steady state output voltage derived at the deriving step is within the prescribed range, and as the measured liquid level obtained for an immediately preceding measurement, in a case the steady state output voltage derived at the deriving step is outside of the prescribed range.