Azimuth and elevation control system
US4460943A · kind A · utility
24Cited by
8References
18Claims
0Family size
Inventor
Key dates
| Filing date | Nov 19, 1982 |
| Grant date | Jul 17, 1984 |
| Priority date | — |
| Expiry date | Nov 19, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S362/802
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light projector suitable for performance lighting and provided with a means capable of adjusting beam azimuth and elevation from a remote location is provided with an input device locating the operator's finger, hand, or a stylus in two dimensions by non-mechanical means. The azimuth and elevation control means is capable of operation in either an incremental or rate of displacement mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.