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. 21, 2026
Filed:
Jun. 17, 2023
Coretronic Corporation, Hsin-Chu, TW;
Chih-Hui Chang, Hsin-Chu, TW;
Jeng-An Liao, Hsin-Chu, TW;
Coretronic Corporation, Hsin-Chu, TW;
Abstract
A projection device including a casing, an operation module, a main board, and a conducting element is provided. The operation module includes an operation element and an operation circuit board. The operation element is disposed on the casing to execute a first operation. The operation circuit board is coupled to the operation element. The operation circuit board includes a wireless signal emitter and a first conducting portion. The operation circuit board generates a first operation signal in response to the first operation, and the wireless signal emitter emits the first operation signal. The main board includes a wireless signal receiver and a second conducting portion. The wireless signal receiver is configured to receive the first operation signal, and the main board is configured to execute a first action corresponding to the first operation signal. The conducting element is electrically connected to the first conducting portion and the second conducting portion.