Apparatus for use in construction machines for detecting laser beam and displaying information based on the same
US5917593A · kind A · utility
11Cited by
7References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 19, 1997 |
| Grant date | Jun 29, 1999 |
| Priority date | — |
| Expiry date | Mar 19, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C15/004
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
In the displaying apparatus for a construction machine with a blade having a level sensor disposed above the blade and designed such that laser beams serving as a datum is detected by the level sensor and the information based on the detected datum is displayed on a remote display, a light emitting device for signal transmission is provided for the level sensor and a light sensing device corresponding to the light emitting device is provided for the remote display, whereby the information is transmitted by means of the lightwave signal from the light emitting device to the light sensing device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.