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:
Dec. 06, 2011
Filed:
May. 31, 2007
Anders Jirskog, Huskvarna, SE;
Anders Jirskog, Huskvarna, SE;
Rosemount Tank Radar AB, Gothenburg, SE;
Abstract
A radar level gauge system, for determining a filling level of a product contained in a tank, the radar level gauge system comprising a transceiver including a signal generator for generating electromagnetic signals for transmission; a transmitter branch for transmitting the electromagnetic signals; and a receiver branch for receiving electromagnetic signals, the transmitter branch and the receiver branch each being connected to a transceiver input/output terminal. The radar level gauge system further comprises a propagation device for allowing transmitted electromagnetic signals to propagate towards a surface of the product inside the tank, where signals are reflected, and for returning reflected electromagnetic signals back from the surface of the product; processing circuitry connected to the transceiver and configured to determine the filling level based on the reflected electromagnetic signals; and power level adjusting circuitry connected between the transceiver input/output terminal and the propagation device, and configured to adjust a power level of the transmitted electromagnetic signals by a transmission gain factor, and to adjust a power level of the returned reflected electromagnetic signals by a reception gain factor, the transmission gain factor being smaller than the reception gain factor, wherein the power level adjusting circuitry comprises at least one active component.