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:
Jul. 07, 2020
Filed:
Jul. 09, 2019
Sbs, Incorporated, Silverton, OR (US);
Frank Williams, Silverton, OR (US);
Bannion Frank Allen, Silverton, OR (US);
SBS, Incorporated, Silverton, OR (US);
Abstract
Vehicle parking brake warning systems are disclosed herein. In one implementation, a vehicle parking brake warning system may include a relay coupled to an operator warning system. The relay including a relay switch and a coil, the relay switch conductively couple the operator warning system to ground when closed, and the coil to cause the relay switch to open when an electrical current is flowing through the coil, the coil coupled to a first coil node and a second coil node. A brake status switch that couples the first coil node to a voltage source when closed. A driver status switch that couples the second coil node to ground when closed. And a capacitor coupled to the first coil node and the second coil node.