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. 30, 1979
Filed:
May. 11, 1977
Applicant:
Inventor:
Richard J Plog, Peshtigo, WI (US);
Assignee:
The Ansul Company, Marinette, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K / ; H03K / ;
U.S. Cl.
CPC ...
307264 ; 3072 / ; 307308 ; 307350 ; 307D / ; 340598 ;
Abstract
A circuit for interfacing with sensors having a loop current flowing therethrough comprising a current mirror utilizing multiple diode-connected transistors for dividing the loop current into several equal subparts and means connected to said current mirror for producing a latching output signal when the current equal to one subpart of the loop current exceeds a predetermined value.