The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 03, 1997
Filed:
Mar. 09, 1995
Applicant:
Inventors:
Remy Polaert, Villecresnes, FR;
Jean-Pierre Hazan, Sucy, FR;
Jean-Louis Nagel, Limeil Brevannes, FR;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A45D / ;
U.S. Cl.
CPC ...
392380 ; 392360 ; 34268 ; 34283 ; 34 97 ; 374208 ;
Abstract
An air circulation heating apparatus, for example a hair drier or an electric radiator, is controlled by an infrared sensor which measures at a distance the thermal radiation emitted by an object heated by the apparatus. The sensor is placed in the flow of hot air to ensure reliable operation of the apparatus and to ensure that the sensor supplies correct measurement data. A screen is provided adjacent the sensor in the path of the airflow which prevents the flow of hot air from hitting the sensor directly.