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. 28, 2025
Filed:
Feb. 05, 2021
Hitachi Astemo, Ltd., Hitachinaka, JP;
Hitachi Astemo, Ltd., Hitachinaka, JP;
Abstract
Provided are a case having a structure with a high degree of freedom in the adjustment of natural vibration and capable of suppressing vibration without excessively increasing the weight, and an electronic device equipped with the same. A caseincludes a case bodyhaving an accommodating spacecapable of accommodating a circuit substrateand being opened to one side, and a coverattached to the case bodyso as to close the opening of the case body. The coverincludes an annular first region portionin contact with the case body, a second region portionlocated on an inner peripheral side of the first region portion, a third region portionlocated between the first region portionand the second region portionand connected to the first region portionand the second region portion, and a ribextending on the third region portionand connected to the second region portion. The second region portionis configured such that the mass per unit area when viewed from the attachment direction D of the coverto the case bodyis larger than the third region portion. The ribhas a notchprovided at a position excluding a distal end portion in the extending direction thereof.