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:
Jan. 10, 2012
Filed:
Mar. 15, 2007
Hugh Corum Sintes, North Auckland, NZ;
Mario Brian Daniel Becroft, New Auckland, NZ;
Raymond John Pryor, Hamilton, NZ;
Andrew Bryce Smith, Thuso, NZ;
Hugh Corum Sintes, North Auckland, NZ;
Mario Brian Daniel Becroft, New Auckland, NZ;
Raymond John Pryor, Hamilton, NZ;
Andrew Bryce Smith, Thuso, NZ;
Other;
Abstract
A level sensor for providing an indication of liquid level in a container. The level sensor including an ultrasonic transducer for emitting an ultrasonic signal to the surface of the liquid and for detecting a return signal, reflected from the surface. A controller instructs the transducer to emit ultrasonic signals and receives an indication that a return signal has been detected. The controller including a timer for measuring the time period between emission of the ultrasonic signal and receipt of a return signal, the determined time period providing an indication of the liquid level. A radio transmitter receives an indication of the liquid level and transmits a radio liquid level signal to a remote output unit.