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:
Oct. 15, 2019
Filed:
Jun. 20, 2019
Hidetaka Noguchi, Hyogo, JP;
Junichi Azumi, Miyagi, JP;
Hidenori Kato, Hyogo, JP;
Masayuki Fujishima, Kanagawa, JP;
Masashi Suematsu, Hyogo, JP;
Hidetaka Noguchi, Hyogo, JP;
Junichi Azumi, Miyagi, JP;
Hidenori Kato, Hyogo, JP;
Masayuki Fujishima, Kanagawa, JP;
Masashi Suematsu, Hyogo, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A frame, a spectroscope, a spectrometry unit, and an image forming apparatus. The frame has hollow structure and includes at least four apertures including a first aperture, a second aperture, a third aperture through which light enters the frame, and a fourth aperture, a concave diffraction grating disposed at a position of the first aperture, and a movable reflector disposed at a position of the second aperture to reflect light dispersed by the concave diffraction grating and change a reflection angle of the reflected light. Through the fourth aperture of the frame, the light reflected by the movable reflector exits the frame. The spectroscope includes the frame, and the frame further includes an optical entrance disposed at a position of the third aperture, and an optical exit disposed at a position of the fourth aperture.