Inspection device for image pickup apparatus
US10197785B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 10, 2017 |
| Grant date | Feb 5, 2019 |
| Priority date | — |
| Expiry date | Aug 10, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/555
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An inspection device for image pickup apparatus includes: an image pickup apparatus including an image pickup device inside a first lens barrel; an angle-of-view conversion optical member made of a translucent resin member and including a first surface and a second surface that is an opposite surface of the first surface, the first surface being configured to closely contact a surface of a distal end lens, the surface of the distal end lens being exposed outside of the first lens barrel; a test chart including a chart surface provided so as to closely contact the second surface, and an image of the chart surface being picked up by the image pickup apparatus through the angle-of-view conversion optical member, and an illumination instrument that illuminates the chart surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.