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:
Oct. 31, 2023
Filed:
Dec. 30, 2020
Lg Innotek Co., Ltd., Seoul, KR;
Young Seop Moon, Seoul, KR;
LG INNOTEK CO., LTD., Seoul, KR;
Abstract
The present invention provides a circuit for controlling a voltage for driving liquid lens including a first voltage generator for outputting a first voltage; a second voltage generator for outputting a second voltage having an opposite polarity to the first voltage; a first switch for selecting one of the first voltage and a ground voltage, and transmitting the selected voltage; a second switch for selecting one of the second voltage and the ground voltage, and transmitting the selected voltage; and a third switch for selecting one of a voltage selected by the first switch and the voltage selected by the second switch, and transmitting the selected voltage, wherein the third switches is plural in number, and the first switch is connected in common to the plurality of third switches.