JP2018157390A5 - - Google Patents
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- JP2018157390A5 JP2018157390A5 JP2017053001A JP2017053001A JP2018157390A5 JP 2018157390 A5 JP2018157390 A5 JP 2018157390A5 JP 2017053001 A JP2017053001 A JP 2017053001A JP 2017053001 A JP2017053001 A JP 2017053001A JP 2018157390 A5 JP2018157390 A5 JP 2018157390A5
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- light
- modulated light
- correction
- modulated
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- 230000000051 modifying Effects 0.000 claims 27
- 238000005286 illumination Methods 0.000 claims 8
- 230000003287 optical Effects 0.000 claims 6
- 238000011156 evaluation Methods 0.000 claims 4
- 230000001276 controlling effect Effects 0.000 claims 3
- 230000000875 corresponding Effects 0.000 claims 3
Claims (10)
前記光源からの出射光の出射を制御する制御手段を含み、
前記光源が、有機ＥＬ光源またはＬＥＤ光源であり、
前記制御手段は、
通信データに対応する変調光の波形情報を生成する生成手段、
前記変調光の波形情報から前記変調光の光情報を演算し、評価基準となる照明光の光情報との差分を求める演算手段、および、
前記差分が補正された補正変調光の波形情報を生成する補正手段を含み、
前記補正変調光の波形情報に基づき、前記補正変調光を前記光源から出射させることを特徴とする照明通信システム。 A light source that emits light in the visible light range, and
Including control means for controlling the emission of the emitted light from the light source,
The light source is an organic EL light source or an LED light source,
The control means includes
Generating means for generating waveform information of modulated light corresponding to communication data,
Calculating means for calculating the optical information of the modulated light from the waveform information of the modulated light, and calculating a difference between the optical information of the illumination light as an evaluation reference, and
The correction means for generating waveform information of the corrected modulated light in which the difference has been corrected,
Lighting communications system based on said waveform information correction modulated light, characterized in that emit the correction modulated light from the light source.
前記補正手段が、前記変調光の波形情報について、パルス信号の振幅を変化させることにより、前記差分を補正する、請求項１から４のいずれか一項に記載の照明通信システム。 The modulation method in the modulated light is one of a pulse width modulation method and a pulse position modulation method,
The illumination communication system according to claim 1, wherein the correction unit corrects the difference by changing an amplitude of a pulse signal with respect to the waveform information of the modulated light.
前記補正手段が、前記所定期間ごとに前記補正変調光の波形情報を生成し、
前記所定期間が、人間の目が時間分解可能な間隔よりも短い期間である、請求項１から５のいずれか一項に記載の照明通信システム。 It said calculating means calculates a difference between the light information of the illumination light serving as the evaluation criterion with the optical information of the modulated light in a predetermined period,
Said correction means, said generating waveform information corrected modulated light for each of the predetermined period,
The lighting communication system according to any one of claims 1 to 5, wherein the predetermined period is a period shorter than an interval at which human eyes can resolve the time.
前記補正手段が、パルス信号ごとに前記補正変調光の波形情報を生成する、請求項１から５のいずれか一項に記載の照明通信システム。 It said calculating means calculates a difference between the light information of the illumination light serving as the evaluation criterion with the optical information of the modulated light at each pulse signal,
Said correction means, said generating waveform information corrected modulated light for each pulse signal, the lighting communications system according to any one of claims 1 to 5.
前記受信手段は、
前記補正変調光である前記光源からの出射光を受光する受光手段、および
前記補正変調光の波形情報から前記通信データを復調する復調手段
を含む、請求項１から８のいずれか一項に記載の照明通信システム。 Further, the communication device includes receiving means for receiving the communication data,
The receiving means includes
9. The light-emitting device according to claim 1, further comprising: a light-receiving unit that receives light emitted from the light source that is the correction modulation light; and a demodulation unit that demodulates the communication data from waveform information of the correction modulation light. 10. Lighting communication system.
前記光源が、有機ＥＬ光源またはＬＥＤ光源であり、
前記制御工程は、
通信データに対応する変調光の波形情報を生成する生成工程、
前記変調光の波形情報から前記変調光の光情報を演算し、評価基準となる照明光の光情報との差分を求める演算工程、
前記差分が補正された補正変調光の波形情報を生成する補正工程、および、
前記補正変調光を、前記光源から出射させる出射工程を含むことを特徴とする照明通信方法。
Including a control step of controlling the emission of emitted light from a light source that emits light in the visible light range,
The light source is an organic EL light source or an LED light source,
The controlling step includes:
A generation step of generating waveform information of modulated light corresponding to communication data,
Calculating the optical information of the modulated light from the waveform information of the modulated light, and calculating the difference between the optical information of the illumination light as an evaluation reference,
A correction step of generating waveform information of the corrected modulated light in which the difference has been corrected, and
Lighting communication method wherein the correction modulated light, characterized in that it comprises an emission step of emitting from the light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017053001A JP6863786B2 (en) | 2017-03-17 | 2017-03-17 | Lighting communication system and lighting communication method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017053001A JP6863786B2 (en) | 2017-03-17 | 2017-03-17 | Lighting communication system and lighting communication method |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2018157390A JP2018157390A (en) | 2018-10-04 |
| JP2018157390A5 true JP2018157390A5 (en) | 2019-12-19 |
| JP6863786B2 JP6863786B2 (en) | 2021-04-21 |
Family
ID=63718212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017053001A Active JP6863786B2 (en) | 2017-03-17 | 2017-03-17 | Lighting communication system and lighting communication method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6863786B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102231007B1 (en) * | 2019-10-23 | 2021-03-23 | 숭실대학교산학협력단 | Illumination correction device and method for maintaining the dimming level of illumination in visible light communication |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007004530A1 (en) * | 2005-06-30 | 2007-01-11 | Pioneer Corporation | Illumination light communication device and illumination light communication method |
| JP5000327B2 (en) * | 2007-02-22 | 2012-08-15 | パナソニック株式会社 | Visible light communication system |
| JP5083189B2 (en) * | 2008-12-09 | 2012-11-28 | コニカミノルタホールディングス株式会社 | Illumination light communication apparatus and illumination light communication system |
| JP6504447B2 (en) * | 2015-04-03 | 2019-04-24 | パナソニックＩｐマネジメント株式会社 | Lighting device, lighting device and signboard device |
-
2017
- 2017-03-17 JP JP2017053001A patent/JP6863786B2/en active Active
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