Lamp cap for use with indicating light assembly
US4070568A · kind A · utility
132Cited by
4References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 9, 1976 |
| Grant date | Jan 24, 1978 |
| Priority date | — |
| Expiry date | Dec 9, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S362/80
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lamp cap for use with an indicating light assembly or illuminated push button wherein the light source is a light emitting diode or other low output light producing device. A light concentrating lens is included which conducts light from the light source to the top of the lamp cap wherein a concentrated light pattern appears to indicate operation of the associated light producing device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.