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:
Feb. 24, 1998
Filed:
Dec. 18, 1995
Dragutin Milosevic, Grosskrotzenburg, DE;
Honeywell Inc., Minneapolis, MN (US);
Abstract
A sensor bridge circuit (20) sensitive to a proximate target (12). The bridge circuit (20) has two inductor (24, 28) and two resistors (32, 34). One inductor (24) has a reactance that varies with respect to the distance (26) of the target (12) from the inductor (24), which affects a balance of the bridge parameters of which is an indication of the distance (26). Another resistor (86) is connected in parallel to one bridge resistor (34) via an input (82) in the event where the target (12) is removed so that the displacement (26) of the sensor transfer characteristic is affected by an amount which results in a change of a diagnostic status indication (62). When the input (82) is not present, the status indication (62) should not appear in the event where the target (12) is far removed. Other resistors (42, 44) connected in parallel to bridge resistors (32, 34), via several inputs (46, 48), respectively, debalance or detune the bridge (20) so as to provide certain diagnostic information.