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:
May. 19, 2020
Filed:
Sep. 23, 2015
Beijing Weston Asia-pacific Opto-electric Instrument Co., Ltd., Beijing, CN;
Xiaohua Liu, Beijing, CN;
Ye Yuan, Beijing, CN;
Dewen Cheng, Beijing, CN;
Liquan Dong, Beijing, CN;
Xiatian Wang, Beijing, CN;
Abstract
A rigid endoscope includes an endoscope tube, a light-emitting diode (LED) chip, an objective lens group, a rod lens group and a lead. the objective lens group and the rod lens group are disposed in the endoscope tube and arranged in a direction from a front end to a rear end of the endoscope tube; the LED chip is mounted at the front end of the endoscope tube; and the lead is led out from the LED chip, runs through a gap between an inner circle of the endoscope tube and an outer circle of the objective lens group, and arrives at the rear end of the endoscope tube.