Hair dryer with remote sensing temperature control
US4424437A · kind A · utility
12Cited by
7References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 24, 1981 |
| Grant date | Jan 3, 1984 |
| Priority date | — |
| Expiry date | Feb 24, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05D23/27
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An electric hair dryer having a radiometer which remotely senses the infrared radiation emanating from the hair being dried and which contains a control means that causes the heating means in the dryer to turn off when the infrared radiation indicates the temperature of the hair is about 50.degree. C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.