Apparatus and method for acquisition of 3D images
US4757379A · kind A · utility
7Cited by
17References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 18, 1987 |
| Grant date | Jul 12, 1988 |
| Priority date | — |
| Expiry date | May 18, 2007 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N13/32
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Apparatus for acquiring digital data corresponding to a 3D object, incorporates a frame located in proximity to the 3D object in no fixed positional relationship therewith, a shutter for scanning the object with a shadow line, and apparatus for deriving signals corresponding to the position of the shadow line following on the 3D object.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.