Indicator device for automobiles
US4016534A · kind A · utility
16Cited by
2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 12, 1975 |
| Grant date | Apr 5, 1977 |
| Priority date | — |
| Expiry date | Aug 12, 1995 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F2013/185
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An indicator device for vehicles such as an automobile car which can show locations in a predetermined priority sequence if there is something wrong with various functions of the car, and comprises a plurality of indicating elements superposed in layers, each having a light source, light reflecting spots to represent a character and checking means for checking the light source, sensors for detecting changes in the functions, and an electrical control circuit actuated by signals from the sensors for energizing the light sources.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.