Optical package
US5016965A · kind A · utility
7Cited by
12References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 13, 1989 |
| Grant date | May 21, 1991 |
| Priority date | — |
| Expiry date | Nov 13, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S5/0683
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A lens assembly for focussing the light output of a device (2) on to a target (4), when there is relative movement between the target and device. The assembly comprises a pair of lenses with the device at the focus of the first and the target in the focal range of the second lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.