Patent · US Active

Rigid endoscope

US10653302B2 · kind B2 · utility

0Cited by

2References

15Claims

0Family size

Assignee

BEIJING WESTON ASIA-PACIFIC OPTO-ELECTRIC INSTRUMENT CO., LTD. · CN

Inventors

Xiaohua Liu · Irvine, US
Ye Yuan · Shanghai, CN
Dewen Cheng · Beijing, CN
Liquan Dong · Beijing, CN
Xiatian WANG · Beijing, CN

Key dates

Filing date	Sep 23, 2015
Grant date	May 19, 2020
Priority date	—
Expiry date	Sep 23, 2035

Classification

Technology area (CPC G)Physics
CPC primaryG02B23/2461
WIPO fieldOptics
WIPO sectorInstruments

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.