Invention Grant
- Patent Title: Visible light communication apparatus
- Patent Title (中): 可见光通信装置
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Application No.: US14499437Application Date: 2014-09-29
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Publication No.: US09553667B2Publication Date: 2017-01-24
- Inventor: Shojirou Kido , Eiji Shiohama , Yoshihiko Matsukawa , Masaaki Ikehara
- Applicant: Panasonic Corporation
- 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: JP2013-210586 20131007
- Main IPC: H04B10/00
- IPC: H04B10/00 ; H04B10/04 ; H04J14/02 ; H04B10/116 ; H05B37/02 ; H04B10/532 ; H04B10/25

Abstract:
A visible light communication apparatus includes a constant current circuit and a load circuit including light emitting elements connected to output terminals of the constant current circuit. Further, the visible light communication apparatus includes a load variation circuit configured to change load characteristics of the load circuit by electrically connecting to the load circuit, the load variation circuit including a series circuit of a diode and a resistor connected in series to the load circuit and a switching element configured to electrically connect or disconnect the load variation circuit to the load circuit in response to a binary communication signal.
Public/Granted literature
- US20150098708A1 VISIBLE LIGHT COMMUNICATION APPARATUS Public/Granted day:2015-04-09
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