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公开(公告)号：US20180255617A1
公开(公告)日：2018-09-06
申请号：US15898458
申请日：2018-02-17
Inventor： Hiroshi KIDO , Shigeru IDO , Hisao KATAOKA , Naohiro TODA
CPC classification number: H05B33/0845 , H05B33/0809 , H05B33/0857 , H05B33/086 , H05B37/0209 , H05B37/029
Abstract: A lighting device is provided that includes a lighting controller that controls a light emitter that emits illumination light. The lighting controller includes a first filter that converts a first signal waveform that is defined by a first piecewise linear curve and whose intensity repeatedly increases and decreases into a signal waveform having a smooth rounded curve, and outputs the converted signal waveform as a first output waveform. The lighting controller causes the light emitter to repeatedly increase and decrease the intensity of the illumination light in accordance with the first output waveform.
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公开(公告)号：US20220201822A1
公开(公告)日：2022-06-23
申请号：US17605515
申请日：2020-04-21
Inventor： Kenta WATANABE , Yoshihiko ISHIDA , Hisao KATAOKA , Hiroshi SUGIMOTO
IPC: H05B47/125 , H05B47/155 , H05B47/175
Abstract: An illumination control system includes an illumination device including light sources, and an illumination control device which is capable of individually controlling light emission of the light sources and includes: a measurer which obtains space information regarding a space in which the illumination device is to be installed and position information indicating a position at which the illumination device is to be installed inside the space; an information transmitter which transmits control information to the illumination device; and an information processor which optimizes control information for controlling a lighting mode of each of the light sources, according to an installation condition of the illumination device indicated in the space information and the position information.
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公开(公告)号：US20180255619A1
公开(公告)日：2018-09-06
申请号：US15898475
申请日：2018-02-17
Inventor： Hiroshi KIDO , Shigeru IDO , Hisao KATAOKA
CPC classification number: H05B33/0857 , H05B33/0827 , H05B33/0845 , H05B33/0866 , H05B37/0209
Abstract: A lighting device which causes a first light source to emit illumination light and a second light source to emit illumination light having a color temperature higher than a color temperature of the illumination light emitted by the first light source includes: an illuminator which includes a first switching element connected in series to the first light source, and a second switching element connected in series to the second light source; an illumination controller which controls the illuminator to place at least one of the first switching element and the second switching element into an off state; and a constant-current controller which detects a sum of values of currents flowing through the first light source and the second light source, and controls the first switching element and the second switching element based on the sum.
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公开(公告)号：US20170099716A1
公开(公告)日：2017-04-06
申请号：US15285192
申请日：2016-10-04
Inventor： Hisao KATAOKA , Katsuyoshi DETO , Tatsuya SASAGO , Teruyuki KIMATA , Haruka MIYAGATA
CPC classification number: H05B37/0227 , F21V14/02 , G06F3/011 , G06F3/017 , H05B33/0854 , H05B33/0872 , H05B37/0272 , Y02B20/44
Abstract: A lighting control device includes; a sensor that detects a state of a user and a gesture made by the user; and a controller that controls a lighting characteristic of one or more lighting devices. The sensor detects a first state and a second state of a hand of the user. In response to the sensor detect the hand of the user in the first state aiming at one lighting device, among the one or more lighting devices, the controller designates the one lighting device as a control target lighting device, and in response to the sensor detecting a predetermined gesture involving the hand in the second state, the controller controls a lighting characteristic of the control target lighting device.
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