Measuring method and apparatus
US5220536A · kind A · utility
146Cited by
29References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 28, 1992 |
| Grant date | Jun 15, 1993 |
| Priority date | — |
| Expiry date | Feb 28, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07B2017/00685
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method and apparatus for measuring the dimensions and determining the three-dimensional, spatial volume of objects. In the preferred embodiment, a light curtain and ultrasonic sensing are employed in combination with the travel time of linearly moving objects to ascertain object dimensions. The preferred embodiment is particularly suitable for measurement of moving, rectangular objects of random orientation with respect to the direction of travel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.