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:
Dec. 12, 2017
Filed:
Mar. 08, 2017
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Abstract
An illumination system includes: a seat; a wall; and a sleep control light for controlling sleep, wherein the seat includes a backrest and a seating portion, and makes a transition between a seated state and a lying state when the backrest and the seating portion make a slide movement, the seated state being a state where a minor angle formed between the backrest and the seating portion is a first angle, the lying state being a state where the minor angle is a second angle greater than the first angle, an optical axis of the sleep control light is tilted downward with respect to the horizontal plane, the sleep control light is located behind or above the seat when the seat is in the seated state, and the optical axis of the sleep control light passes through the backrest when the seat is in the lying state.