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:
Nov. 21, 2017
Filed:
Jul. 27, 2015
Finetek Co., Ltd., New Taipei, TW;
I-Chu Lin, New Taipei, TW;
Liang-Chi Chang, New Taipei, TW;
Cheng-Huang Wu, New Taipei, TW;
Chao-Kai Cheng, New Taipei, TW;
Yi-Liang Hou, New Taipei, TW;
FINETEK CO., LTD., New Taipei, TW;
Abstract
A radar liquid level measuring apparatus () includes a first oscillation module (), a second oscillation module (), a frequency comparator () and a control module (). The first oscillation module () has a first oscillation frequency. The first oscillation module () generates a first pulse signal (). The second oscillation module () has a second oscillation frequency. The second oscillation module () generates a second pulse signal (). The frequency comparator () converts the first pulse signal () and the second pulse signal () into an adjusted signal (). The control module () compares the adjusted signal () with an expectation value () to obtain a comparative result signal. According to the comparative result signal, the control module () adjusts the second oscillation frequency, so that the second oscillation frequency and the first oscillation frequency have a constant frequency difference.