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. 29, 2025
Filed:
Aug. 05, 2021
Hitachi Astemo, Ltd., Hitachinaka, JP;
Takumi Masubuchi, Hitachinaka, JP;
Hitachi Astemo, Ltd., Hitachinaka, JP;
Abstract
A first semiconductor relay and a second semiconductor relay connected in parallel to each other, an input switching circuit that switches a path of a signal input to the first and second semiconductor relays, an output switching circuit that switches a path of a signal output from the first and second semiconductor relays, and a monitoring unit that performs abnormality detection and warning for the first and second semiconductor relays are provided. In addition, one of a redundancy mode in which the input switching circuit is controlled such that inputs of the first and second semiconductor relays are shared in response to a first setting signal from the outside and the output switching circuit is controlled such that only one of the first and second semiconductor relays performs output and a non-redundancy mode in which the input switching circuit and the output switching circuit are controlled such that inputs and outputs of the first and second semiconductor relays are different from each other is implemented.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile