Three-dimensional vision endoscope with position adjustment means for imaging device and visual field mask
US5577991A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 7, 1995 |
| Grant date | Nov 26, 1996 |
| Priority date | — |
| Expiry date | Jul 7, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N13/189
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A three-dimensional vision endoscopic apparatus according to the present invention comprises a pair of optical systems for transmitting an image of a subject as two subject images having a parallax between them, a pair of imaging devices for picking up subject images transmitted by the optical systems, at least one visual field mask, a display unit for displaying the two subject images alternately or concurrently, an adjusting mechanism for adjusting the position of one or both of the imaging devices so that the display images will become consistent on the screen of the display unit, and an adjusting mechanism for adjusting the relative position of the visual field mask.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.