Solar tracking control system using shadow detection
US3996460A · kind A · utility
25Cited by
3References
13Claims
0Family size
Inventor
Key dates
| Filing date | Dec 3, 1975 |
| Grant date | Dec 7, 1976 |
| Priority date | — |
| Expiry date | Dec 3, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/47
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A control system for radiation tracking apparatus comprises: A. a shadow box having a window, B. four photo sensors located within the box to receive incident radiation passing through the window, C. first and second sensors respectively having upper and lower locations to provide outputs controlling elevational tracking movement of said apparatus, and D. third and fourth sensors respectively having left and right locations to provide outputs controlling azimuthal tracking movement of said apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.