Quadrant light detector
US5705804A · kind A · utility
59Cited by
28References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 23, 1996 |
| Grant date | Jan 6, 1998 |
| Priority date | — |
| Expiry date | Jan 23, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S7/4816
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A quadrant light detector that employs the concept of constructed occlusion to improve its accuracy and by incorporating baffles within the design to improve its detection response to incoming light having an incidence angle near the horizon, and to divide a diffusely reflective cavity into quadrants. The quadrant detector is able to determine the direction, or azimuth and elevation, to the light source anywhere within a sector of a hemisphere or a sphere.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.