Dual differential optical system moving apparatus
US4831615A · kind A · utility
12Cited by
17References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 28, 1986 |
| Grant date | May 16, 1989 |
| Priority date | — |
| Expiry date | Jan 28, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B7/08582
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical system moving apparatus having first and second driving motors, transmitting screws coupled to the first and second driving motors, and a moving table on which an optical system is mounted and which is coupled through the transmitting screws to the first and second driving motors, wherein the moving table is driven by a combined output of the first and second driving motors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.