Parametric power controller
US4323763A · kind A · utility
10Cited by
6References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 14, 1979 |
| Grant date | Apr 6, 1982 |
| Priority date | — |
| Expiry date | May 14, 1999 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05D23/20
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
Disclosed is a vacuum furnace temperature controller for the stable regulation of temperature over a wide range of temperatures. The control loop includes a multiplier responsive to the desired temperature which modifies the overall loop gain and the maximum power which may be applied to the furnace heater as a function of the desired temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.