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:
Apr. 05, 2016
Filed:
Dec. 11, 2014
Kuo-tso Chen, Taipei, TW;
Kuo-Tso Chen, Taipei, TW;
Optromax Electronics Co., LTD, Hsinchu, TW;
Abstract
A constant current driving device includes an electronic device, a transistor, a rectifying circuit, a current limiting element, an impedance element, and a first and a second energy storage element. A first end of the electronic device is connected to a first end of a load element. A first end of the transistor is connected to a second end of the load element, a second end of the transistor is connected to a second end of the electronic device through an impedance element, and a control end of the transistor is connected to the second end of the electronic device through a first energy storage element. The rectifying circuit connected between the first end and the control end of the transistor. The current limiting element is connected in parallel with the rectifying circuit. The second energy storage element is connected between the first and second end of the electronic device.