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:
Jan. 14, 1986
Filed:
May. 02, 1984
Applicant:
Inventor:
Jean P Valentin, Pouilley-les-Vignes, FR;
Assignee:
Etat Francais represented by Delegation Generale, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B / ; H01L / ;
U.S. Cl.
CPC ...
219210 ; 310343 ; 310351 ; 219405 ;
Abstract
A resonator with an integrated infrared thermostat, having a sealed casing enclosing reflectors including concave spherical domes covered with an interior coating of reflecting metal, placed on either side of a piezoelectric crystal, an infrared heating means device positioned on either side of the crystal in front of the spherical domes, and a temperature sensor including a thermocouple of two thin metal layers superimposed seriatim on one side of the active part of the crystal and constituting additionally and simultaneously one of the excitation electrodes for the crystal.