Room occupancy power programmer
US4213063A · kind A · utility
Inventor
Key dates
| Filing date | Apr 27, 1978 |
| Grant date | Jul 15, 1980 |
| Priority date | — |
| Expiry date | Apr 27, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/40
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The complete power programmer is secured in a conventional standard size room wall electrical outlet box, switching the conventional electrical wire transmitted power of the room on a preselected time schedule. An electrical power pulse source drives an electronic integrated micro circuit chip having a calendar real-time clock with instructions, a real-time storage first register, an ON-time storage second register, an OFF-time storage third register, and a digital time display. A rapid-time pulse generator provides quickly resettable real-time values for the above time registers. On signal, the real-time first register clock-time value can be equivalently compared by an integrated micro circuit chip comparator, alternately matching the ON-time second register clock-time value, and the OFF-time third register clock-time value, thus providing successive operating signals to an ON-OFF power switch at equivalences, operating conventional power and light circuits. An integrated micro circuit random number selector circuit daily provides a small number, whose equivalent number value in minutes is applied to operatively shift the ON-OFF time cycle for the electrical power forward or reve…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.