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. 01, 2019
Filed:
Sep. 25, 2017
Brother Kogyo Kabushiki Kaisha, Nagoya-shi, Aichi-ken, JP;
Hirotoshi Ishizaki, Nagakute, JP;
Brother Kogyo Kabushiki Kaisha, Nagoya-shi, Aichi-ken, JP;
Abstract
Provided are a head-mounted display and an image display device. The HMD includes a first ball joint, a second ball joint and an arm member. The first ball joint is provided with a first rod portion and a first sphere portion. The second ball joint is provided with a second rod portion and a second sphere portion. The first rod portion passes through a first hole portion. The second rod portion passes through a second hole portion. A position of a half mirror in a first position of a display casing when the first rod portion is positioned at the center of the first hole portion and the second rod portion is positioned at the center of the second hole portion is farther from the mounting member than a position of the half mirror in a second position of the display casing.