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:
Nov. 16, 1982
Filed:
Apr. 16, 1980
Applicant:
Inventor:
Ralph G Washburn, Marion, MA (US);
Assignee:
The Sippican Corporation, Marion, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D / ; G01K / ;
U.S. Cl.
CPC ...
374172 ; 7317 / ; 331 66 ; 374136 ;
Abstract
In a temperature probe having a thermistor controlling the output frequency of an oscillator to effect a temperature-frequency conversion, and a remote measuring station having a frequency detection means, the invention features, generally, a switch in the probe connected to a detection circuit, the oscillator being connected to the switch so as to open and close the circuit in response to the oscillator output frequency.