Indicating instrument
US6267072A · kind A · utility
7Cited by
9References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 3, 1995 |
| Grant date | Jul 31, 2001 |
| Priority date | — |
| Expiry date | Nov 3, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG12B11/04
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An indicating instrument includes a generally straight illumination lamp or cold cathode fluorescent lamp and a light conducting plate which are disposed on the back of a dial plate. The dial plate has plurality of trans-illuminous gauge or meter patterns. The cold cathode fluorescent lamp is disposed longitudinally at an upper side of the light conducting plate to guide the light of the lamp to the trans-illuminous gauge or meter patterns.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.