Stereo imaging miniature endoscope with single imaging chip and conjugated multi-bandpass filters
US9931023B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Nov 15, 2010 |
| Grant date | Apr 3, 2018 |
| Priority date | — |
| Expiry date | Mar 29, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B1/0684
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A dual objective endoscope for insertion into a cavity of a body for providing a stereoscopic image of a region of interest inside of the body including an imaging device at the distal end for obtaining optical images of the region of interest (ROI), and processing the optical images for forming video signals for wired and/or wireless transmission and display of 3D images on a rendering device. The imaging device includes a focal plane detector array (FPA) for obtaining the optical images of the ROI, and processing circuits behind the FPA. The processing circuits convert the optical images into the video signals. The imaging device includes right and left pupil for receiving a right and left images through a right and left conjugated multi-band pass filters. Illuminators illuminate the ROI through a multi-band pass filter having three right and three left pass bands that are matched to the right and left conjugated multi-band pass filters. A full color image is collected after three or six sequential illuminations with the red, green and blue lights.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.