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:
Mar. 19, 2024
Filed:
Dec. 22, 2021
Applicant:
Hitachi Astemo, Ltd., Hitachinaka, JP;
Inventor:
Yosuke Murakami, Hitachinaka, JP;
Assignee:
Hitachi Astemo, Ltd., Hitachinaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01D 5/20 (2006.01); H03B 5/08 (2006.01); H05K 1/18 (2006.01);
U.S. Cl.
CPC ...
G01D 5/20 (2013.01); H03B 5/08 (2013.01); H05K 1/181 (2013.01); H05K 2201/10151 (2013.01);
Abstract
A two-wire displacement sensor device includes an LC oscillation circuit including a coil whose inductance changes in accordance with a displacement amount of an object and an oscillation unit provided with capacitors and amplifying elements; and an interface unit serving as a signal output unit and a power supply input unit. The interface unit includes a constant current circuit that outputs at least two current values.