Invention Grant
- Patent Title: Light source device, lighting device, and luminaire
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Application No.: US14615739Application Date: 2015-02-06
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Publication No.: US09615424B2Publication Date: 2017-04-04
- Inventor: Shigeru Ido , Hiroshi Kido , Akinori Hiramatu , Junichi Hasegawa , Daisuke Ueda
- Applicant: Panasonic Intellectual Property Management Co., Ltd.
- Applicant Address: JP Osaka
- Assignee: Panasonic Intellectual Property Management Co., Ltd.
- Current Assignee: Panasonic Intellectual Property Management Co., Ltd.
- Current Assignee Address: JP Osaka
- Agency: Renner, Otto, Boisselle & Sklar, LLP.
- Priority: JP2014-045605 20140307
- Main IPC: H05B33/08
- IPC: H05B33/08
Abstract:
A control unit of a light source device after activation time is configured to turn on switches respectively connected in series with light sources, in prescribed order. The light source device and a lighting device are configured to transmit characteristics of the light sources, based on a voltage change depending on a pattern of on and off of the switches.
Public/Granted literature
- US20150257212A1 LIGHT SOURCE DEVICE, LIGHTING DEVICE, AND LUMINAIRE Public/Granted day:2015-09-10
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