JP2014179133A5 - Light beacon - Google Patents
Light beacon Download PDFInfo
- Publication number
- JP2014179133A5 JP2014179133A5 JP2014135699A JP2014135699A JP2014179133A5 JP 2014179133 A5 JP2014179133 A5 JP 2014179133A5 JP 2014135699 A JP2014135699 A JP 2014135699A JP 2014135699 A JP2014135699 A JP 2014135699A JP 2014179133 A5 JP2014179133 A5 JP 2014179133A5
- Authority
- JP
- Japan
- Prior art keywords
- light
- downlink
- vehicle
- amount
- incident light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 230000003287 optical Effects 0.000 claims description 22
- 230000001629 suppression Effects 0.000 claims 3
- 230000003247 decreasing Effects 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000002522 swelling Effects 0.000 description 1
Description
本発明は、光通信機能と車両感知機能を兼ね備えた光ビーコンに関する。 The present invention is related to the light beacon that combines optical communication function and a vehicle sensing functions.
２ 車載機
４ 光ビーコン
７ ビーコン制御機
８ ビーコンヘッド（投受光器）
１１ 送受信ユニット
１２ センサユニット
２０ 車両
２１ 車載制御機
２３ 光送信部
２４ 光受信部
４２ 光通信用の発光部材
４３ 光通信用の受光部材
４５ 車両感知用の発光部材
４６ 車両感知用の受光部材
５１ 遮蔽部材
５２ 筒部材
５３ 遮蔽プレート
５４ 遮蔽小片
５５ 膨出片部
６９ 通信ＩＣ
７０ メインＣＰＵ
７１ 感知処理部
８３ フィルタ回路
2 In-vehicle device 4 Optical beacon 7 Beacon controller 8 Beacon head (projector / receiver)
DESCRIPTION OF SYMBOLS 11 Transmission / reception unit 12 Sensor unit 20 Vehicle 21 Car-mounted controller 23 Light transmission part 24 Light reception part 42 Light emitting member 43 for optical communication Light receiving member 45 for optical communication Light emitting member 46 for vehicle detection Light receiving member 51 for vehicle detection Shielding Member 52 Cylindrical member 53 Shielding plate 54 Shielding small piece 55 Swelling piece 69 Communication IC
70 Main CPU
71 Sensing processing unit 83 Filter circuit
Claims (6)
道路に向けてダウンリンク光を送出する光通信用の発光部材と、
車載機が前記ダウンリンク光を受信可能なダウンリンク領域の下流側に車両感知用の入射光を送出する車両感知用の発光部材と、
前記入射光の光量が、前記ダウンリンク光の光量よりも、緩やかに増大するように、前記入射光を送出させる発光回路と、を備えていることを特徴とする光ビーコン。 An optical beacon having both an optical communication function and a vehicle sensing function,
A light emitting member for optical communication that transmits downlink light toward a road;
A vehicle-detecting light-emitting member for transmitting vehicle-detecting incident light to a downstream side of a downlink region where the in-vehicle device can receive the downlink light;
An optical beacon comprising: a light emitting circuit for transmitting the incident light so that the amount of incident light increases more slowly than the amount of downlink light .
道路に向けてダウンリンク光を送出する光通信用の発光部材と、
車載機が前記ダウンリンク光を受信可能なダウンリンク領域の下流側に車両感知用の入射光を送出する車両感知用の発光部材と、
前記入射光の光量が、前記ダウンリンク光の光量よりも、緩やかに減少するように、前記入射光を送出させる発光回路と、を備えていることを特徴とする光ビーコン。 An optical beacon having both an optical communication function and a vehicle sensing function,
A light emitting member for optical communication that transmits downlink light toward a road;
A vehicle-detecting light-emitting member for transmitting vehicle-detecting incident light to a downstream side of a downlink region where the in-vehicle device can receive the downlink light;
An optical beacon comprising: a light emitting circuit for transmitting the incident light so that the amount of the incident light is gradually decreased from the amount of the downlink light .
道路に向けてダウンリンク光を送出する光通信用の発光部材と、
車載機が前記ダウンリンク光を受信可能なダウンリンク領域の下流側に車両感知用の入射光を送出する車両感知用の発光部材と、
前記入射光の光量の増加度合が、前記ダウンリンク光の光量の増加度合に比べて抑制されるように、前記入射光を送出させる発光回路と、を備えていることを特徴とする光ビーコン。 An optical beacon having both an optical communication function and a vehicle sensing function,
A light emitting member for optical communication that transmits downlink light toward a road;
A vehicle-detecting light-emitting member for transmitting vehicle-detecting incident light to a downstream side of a downlink region where the in-vehicle device can receive the downlink light;
An optical beacon comprising: a light emitting circuit that transmits the incident light so that an increase in the amount of incident light is suppressed as compared to an increase in the amount of downlink light .
道路に向けてダウンリンク光を送出する光通信用の発光部材と、
車載機が前記ダウンリンク光を受信可能なダウンリンク領域の下流側に車両感知用の入射光を送出する車両感知用の発光部材と、
前記入射光の光量の減少度合が、前記ダウンリンク光の光量の減少度合に比べて抑制されるように、前記入射光を送出させる発光回路と、を備えていることを特徴とする光ビーコン。 An optical beacon having both an optical communication function and a vehicle sensing function,
A light emitting member for optical communication that transmits downlink light toward a road;
A vehicle-detecting light-emitting member for transmitting vehicle-detecting incident light to a downstream side of a downlink region where the in-vehicle device can receive the downlink light;
An optical beacon , comprising: a light emitting circuit that transmits the incident light so that a decrease degree of the light amount of the incident light is suppressed as compared with a decrease degree of the light amount of the downlink light .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014135699A JP5884254B2 (en) | 2013-01-21 | 2014-07-01 | Light beacon |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013008044 | 2013-01-21 | ||
| JP2013008044 | 2013-01-21 | ||
| JP2014135699A JP5884254B2 (en) | 2013-01-21 | 2014-07-01 | Light beacon |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013031594A Division JP5575287B1 (en) | 2013-01-21 | 2013-02-20 | Light beacon |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015159765A Division JP6094018B2 (en) | 2013-01-21 | 2015-08-13 | Light beacon, incident light emission method and light emission circuit for vehicle detection |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2014179133A JP2014179133A (en) | 2014-09-25 |
| JP2014179133A5 true JP2014179133A5 (en) | 2015-07-23 |
| JP5884254B2 JP5884254B2 (en) | 2016-03-15 |
Family
ID=51578404
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013031594A Active JP5575287B1 (en) | 2013-01-21 | 2013-02-20 | Light beacon |
| JP2014135699A Active JP5884254B2 (en) | 2013-01-21 | 2014-07-01 | Light beacon |
| JP2015159765A Active JP6094018B2 (en) | 2013-01-21 | 2015-08-13 | Light beacon, incident light emission method and light emission circuit for vehicle detection |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013031594A Active JP5575287B1 (en) | 2013-01-21 | 2013-02-20 | Light beacon |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015159765A Active JP6094018B2 (en) | 2013-01-21 | 2015-08-13 | Light beacon, incident light emission method and light emission circuit for vehicle detection |
Country Status (1)
| Country | Link |
|---|---|
| JP (3) | JP5575287B1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109101027A (en) * | 2018-08-23 | 2018-12-28 | 湖南格兰博智能科技有限责任公司 | From the method for mobile clean robot path memory |
| JP2021152492A (en) * | 2020-03-24 | 2021-09-30 | 東芝Ｉｔコントロールシステム株式会社 | Position provision system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3911746B2 (en) * | 1997-01-14 | 2007-05-09 | 三菱電機株式会社 | Optical transceiver |
| JPH10213662A (en) * | 1997-01-31 | 1998-08-11 | Mitsubishi Electric Corp | Optical vehicle sensing device |
| JP2001053682A (en) * | 1999-08-05 | 2001-02-23 | Furukawa Electric Co Ltd:The | Optical amplification device and optical communication system |
| JP2006269932A (en) * | 2005-03-25 | 2006-10-05 | Denso Corp | Illumination drive circuit for vehicle |
| JP2008216231A (en) * | 2007-02-06 | 2008-09-18 | Sumitomo Electric Ind Ltd | Communication system, in-vehicle machine, vehicle, and transmitter |
| JP4946567B2 (en) * | 2007-03-28 | 2012-06-06 | 住友電気工業株式会社 | Light beacon |
| JP2009032497A (en) * | 2007-07-26 | 2009-02-12 | Denso Corp | Backlight control device |
-
2013
- 2013-02-20 JP JP2013031594A patent/JP5575287B1/en active Active
-
2014
- 2014-07-01 JP JP2014135699A patent/JP5884254B2/en active Active
-
2015
- 2015-08-13 JP JP2015159765A patent/JP6094018B2/en active Active
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