Method for examining shooting direction of camera apparatus, device thereof and structure for installing sensor
US7248287B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 21, 2000 |
| Grant date | Jul 24, 2007 |
| Priority date | — |
| Expiry date | May 8, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2013/0096
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In a test method in which an image photographed by a camera apparatus 1 attached to a body of a vehicle is displayed on a display device 17 and an examiner examines compliance or non-compliance of the shooting direction of the camera apparatus 1 by comparing the position of a reference pattern and the position of a judgment pattern on the displayed photographed image, the photographed image is obtained at first by photographing with the camera apparatus 1 a test chart which is placed at a predefined position ahead of the vehicle with the reference pattern drawn on the test chart. Next, the judgment pattern is set at a specific position on the photographed image. Then, the photographed image on which the judgment pattern has been set is displayed on the display device 17.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.