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.

Date of Patent:
Aug. 01, 2023

Filed:

Mar. 09, 2021
Applicant:

Coretronic Corporation, Hsin-Chu, TW;

Inventors:

Wei-Chi Liu, Hsin-Chu, TW;

Kai-Lun Hou, Hsin-Chu, TW;

Assignee:

Coretronic Corporation, Hsin-Chu, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/16 (2006.01);
U.S. Cl.
CPC ...
G03B 21/16 (2013.01);
Abstract

A projection device includes at least one heat source and a heat dissipation module. The heat dissipation module is connected to the heat source and is configured to dissipate heat energy generated by the heat source. The heat dissipation module includes a tank, at least one radiator, at least one cold plate, a cooling fluid, and a connection pipe. The connection pipe connects the tank, the radiator, and the cold plate, so that the cooling fluid flows in the heat dissipation module. The tank includes a pressure sensing device configured to measure a liquid level of the cooling fluid in the tank. Also, a tank is provided. The projection device provided in the disclosure can learn the liquid level of the tank in real-time, and the design cost is low.


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