Microcontroller for providing remote control of electrical switches
US5434973A · kind A · utility
11Cited by
3References
10Claims
0Family size
Inventor
Key dates
| Filing date | Mar 17, 1992 |
| Grant date | Jul 18, 1995 |
| Priority date | — |
| Expiry date | Mar 17, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K17/136
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A microcontroller for providing remote control of electrical switches and comprising a control unit and a switch unit. The control unit comprises a telephone interface, a keyboard, a central processing unit and a character pattern interface. The switch unit comprises a data decoder, a central processing unit and a plurality of solid state relays, wherein the solid state relays are controlled to selectively connect power to loads or disconnect power therefrom, in response to commands sent from the keyboard directly, or through a telephone or radio telephone or a computer network from the keyboard.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.