Indicator
US5774098A · kind A · utility
25Cited by
5References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 17, 1993 |
| Grant date | Jun 30, 1998 |
| Priority date | — |
| Expiry date | May 17, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F13/22
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An indicator lamp unit comprises a number of light-emitting elements, such as LEDs, arranged on the circumference of a disk or arranged in rows on the circumference of a cylinder, and a milk-white lamp case covering the light-emitting elements. A display terminal comprises, in an integral unit, a display, such as a LCD or an ELD, and said indicator lamp unit. The display and an internal CPU are controlled by an external CPU.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.