Control system for appliance indicator light and method for using same
US5151884A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 2, 1992 |
| Grant date | Sep 29, 1992 |
| Priority date | — |
| Expiry date | Mar 2, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L2501/26
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A control system for an appliance indicator light includes a timer which times the amount of time the appliance door is open after completion of the operational cycle of the appliance. If the door is opened for more than a predetermined period of time, the indicator light will be deactuated, but if the door is opened for less than the predetermined period of time and then reclosed, the indicator light will be left in its on condition. The timer may be a series of cams attached to a motor, a bi-metal switch located adjacent the indicator light, or a microprocessor connected to and driving the indicator light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.