Waterscape lamp with shade of proximity-capacitance-sensing type device
US5010460A · kind A · utility
14Cited by
12References
3Claims
0Family size
Inventor
Key dates
| Filing date | May 2, 1990 |
| Grant date | Apr 23, 1991 |
| Priority date | — |
| Expiry date | May 2, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S362/802
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
It is a no-touch lamp to be operated with a proximity-capacition-sensing circuit with lamp shade and waterscape-lamp stand; the lamp mainly comprises a lamp stand and lamp shade. when a person moves closely to the lamp, a signal will be generated, and will be amplified through a capacitance induction circuit so as to control the output of a Triac circuit and to turn on the lamp. The lamp stand is loaded with water and decorative objects, whereby a beautiful waterscape can be provided upon the power is turned on for visual pleasure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.