Apparatus and method for alignment of fixed communication laser stations
US4879764A · kind A · utility
4Cited by
13References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 28, 1987 |
| Grant date | Nov 7, 1989 |
| Priority date | — |
| Expiry date | May 28, 2007 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B10/1127
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An alignment system for a two-way laser communication station. Each station is constructed so that the optical receiver portion is pre-aligned to be parallel to the cabinet base structure, and a multiple point screw adjustment is used to align the laser source and columnating lens assembly with the cabinet after the weatherproof enclosure is sealed. Actual alignment is accomplished by making the adjustment while operating two stations as complimentary transmitters and receivers over a long test path which has been optically aligned.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.