Visual signaling apparatus
US5014167A · kind A · utility
455Cited by
2References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 20, 1990 |
| Grant date | May 7, 1991 |
| Priority date | — |
| Expiry date | Feb 20, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S362/80
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A visual signaling apparatus including an enclosure having an aperture, and defining a cavity, a light source for emitting light in predetermined wavelengths borne by the enclosure and positioned in the cavity; and a semi-transparent dichroic mirror borne by the enclosure and disposed in substantially occluding relation relative to the aperture, the semi-transparent dichroic mirror adapted to selectively reflect ambient light and transmit the predetermined wavelengths of light emitted by the light source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.