JP2015509324A - 複数の異なる変調期間を使用する、照明装置によって発される光の変調 - Google Patents
複数の異なる変調期間を使用する、照明装置によって発される光の変調 Download PDFInfo
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
- H05B47/19—Controlling the light source by remote control via wireless transmission
- H05B47/195—Controlling the light source by remote control via wireless transmission the transmission using visible or infrared light
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/114—Indoor or close-range type systems
- H04B10/116—Visible light communication
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
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Abstract
Description
Claims (24)
- 周期的な変調を有する光を発する光発光体と、
指示子を前記光発光体に供給することによって前記光発光体を駆動する光ドライバであって、前記指示子は前記光発光体により発される光の変調に関し、前記光発光体は、前記指示子に従って変調された光を発するように配されている、光ドライバと、
を有する照明装置において、前記光ドライバは、複数の異なる変調期間を有する光を発するように前記光発光体を駆動する、照明装置。 - 前記光発光体は、画像捕捉ユニットにより検出される光を発し、
前記光ドライバは、前記変調期間の少なくとも1つが、前記画像捕捉ユニットの取得過程により生成される周波数ブラインドスポットに対応するのを回避するように、前記光発光体を駆動する、
請求項1に記載の照明装置。 - 前記光ドライバは、経時的に前記異なる変調期間の間を変化する、請求項1又は2に記載の照明装置。
- 前記変調された光は、埋め込まれたデータを有する、請求項1乃至3の何れか一項に記載の照明装置。
- 前記データは、前記照明装置の固有の識別子を有する、請求項4に記載の照明装置。
- 前記固有の識別子は、周波数f=1/T10により表される、請求項5に記載の照明装置。
- 前記変調は、パルス幅変調である、請求項1乃至6の何れか一項に記載の照明装置。
- 前記光発光体は、更に、発された変調された前記光の照明の寄与に関連付けられた非変調された光を発する、請求項1乃至7の何れか一項に記載の照明装置。
- 前記光ドライバは、前記変調が各状態内で周期的である少なくとも2つの異なる状態において前記光発光体を駆動し、
第1の状態において、前記変調は期間T11を有し、第2の状態において、前記変調は期間T12≠T11を有し、T11及びT12は、間隔[T10−ΔT1/2、T10+ΔT1/2]内の値をとり、T10>0は時定数であり、ΔT1>0は、発された変調された光における可視的なフリッカが回避されるように選択された時間オフセットである、請求項1乃至8の何れか一項に記載の照明装置。 - 前記光ドライバは、前記第1の状態と前記第2の状態との間で非周期的に前記変調を交番させる、請求項9に記載の照明装置。
- 前記光ドライバは、所定の系列に従って前記第1の状態と前記第2の状態との間で前記変調を交番させる、請求項9又は10に記載の照明装置。
- 前記変調は、確率変数に従って前記第1の状態と前記第2の状態との間を交番する、請求項9乃至11の何れか一項に記載の照明装置。
- 前記変調は、少なくとも2つの隣接するパルス幅変調期間における全く同一の状態と関連付けられている、請求項8又は9に記載の照明装置。
- T12>T11に関してT12−T10=T10−T11である、請求項9乃至13の何れか一項に記載の照明装置。
- 前記光ドライバは、同時に複数の異なる変調期間により変調される光を発するように前記光発光体を駆動する、請求項1乃至8の何れか一項に記載の照明装置。
- 前記光発光体は、検出ユニットにより検出される光を発し、
前記複数の変調期間の少なくとも1つが、他の前記変調期間の少なくとも1つの他のものが1つ以上のブラインドスポットに対して検出スペクトル内に落ちるにもかかわらず、常に検出可能であるように、前記複数の変調周波数は、前記検出ユニットの検出スペクトルのブラインドスポットの検出不可能な幅に少なくとも対応している量だけ離間されている、
請求項15に記載の照明装置。 - 前記変調周波数は、人の知覚可能な範囲内にある何らかの変調周波数間の内部変調効果を回避するように離間されている、請求項15又は16に記載の照明装置。
- 前記変調周波数のうちの少なくとも1つは、前記変調周波数の少なくとも1つの他のものの整数倍ではない、請求項15乃至17の何れか一項に記載の照明装置。
- 前記複数の変調周波数は、前記光発光体の同じ光源により発される、請求項1乃至18の何れか一項に記載の照明装置。
- 前記光発光体は、同じ照明器具内の複数の光源を有し、前記複数の変調周波数の各々は、前記光源の対応するものにより発される、請求項1乃至18の何れか一項に記載の照明装置。
- 請求項1乃至20の何れか一項に記載の複数N個の照明装置を有する照明システムであって、各照明装置は、自身の固有な定数Ti、i=1、…、Nに関連付けられており、各照明装置に関する変調は、各状態内で周期的であり、第1の状態において光源iに関する前記変調は期間Ti1を有し、第2の状態において光源iに関する前記変調は期間Ti2≠Ti1を有し、Ti1及びTi2は、間隔[Ti0=ΔTi/2、Ti0+ΔTi/2]内の値を取り、
Ti0>0は光源iに関する時定数であり、ΔTi>0は発された変調された前記光の可視的なフリッカが回避されるように選択された光源iに関する時間オフセットである、照明システム。 - i≠jに関してΔTi≠ΔTjである、請求項21に記載の照明システム。
- i≠jに関してTi≠Tjである、請求項21又は22に記載の照明システム。
- T20>T10に関して、ΔTi0<<T20−T10であり、T10及びT20は2つの時間的に隣接する時定数である、請求項21、22又は23に記載の照明システム。
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US201261599459P | 2012-02-16 | 2012-02-16 | |
US61/599,459 | 2012-02-16 | ||
PCT/IB2013/050326 WO2013108167A1 (en) | 2012-01-17 | 2013-01-14 | Modulation of light emitted by a lighting device, using plurality of different modulation periods |
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JP2015509324A true JP2015509324A (ja) | 2015-03-26 |
JP2015509324A5 JP2015509324A5 (ja) | 2016-03-10 |
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JP6263130B2 (ja) | 2018-01-17 |
JP2015513806A (ja) | 2015-05-14 |
WO2013108167A1 (en) | 2013-07-25 |
JP6125535B2 (ja) | 2017-05-10 |
WO2013108166A1 (en) | 2013-07-25 |
US20140375217A1 (en) | 2014-12-25 |
CN104041191A (zh) | 2014-09-10 |
EP2805586B1 (en) | 2017-12-13 |
US9386643B2 (en) | 2016-07-05 |
CN104041190B (zh) | 2017-01-18 |
CN104041190A (zh) | 2014-09-10 |
EP2805586A1 (en) | 2014-11-26 |
RU2014133724A (ru) | 2016-03-10 |
US9363857B2 (en) | 2016-06-07 |
RU2628570C2 (ru) | 2017-08-21 |
EP2805587B1 (en) | 2019-06-26 |
ES2659037T3 (es) | 2018-03-13 |
EP2805587A1 (en) | 2014-11-26 |
US20150028763A1 (en) | 2015-01-29 |
CN104041191B (zh) | 2016-12-07 |
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