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. 06, 2021
Filed:
May. 27, 2020
Applicant:
Coretronic Corporation, Hsin-Chu, TW;
Inventor:
Yun-Lin Miao, Hsin-Chu, TW;
Assignee:
Coretronic Corporation, Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/28 (2006.01); G03B 21/14 (2006.01); F21S 41/16 (2018.01); F21S 41/141 (2018.01); F21S 41/67 (2018.01);
U.S. Cl.
CPC ...
G03B 21/14 (2013.01); F21S 41/141 (2018.01); F21S 41/16 (2018.01); F21S 41/67 (2018.01); G03B 21/28 (2013.01);
Abstract
A pico projector and a control method of the pico projector are provided. The pico projector is installed on a door of a vehicle and includes a light source, a DMD, a projection lens, a power supply unit, and a processing circuit. The processing circuit receives a shutdown warning signal, transmits a parking signal to the DMD to perform a parking operation on the DMD, and notifies the power supply unit of cutting off a first power provided to the DMD after a predetermined time interval from transmitting the parking signal.