WO2015068339A1 - 歩行者安全システム及び発光機能付き装着物 - Google Patents

歩行者安全システム及び発光機能付き装着物 Download PDF

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Publication number
WO2015068339A1
WO2015068339A1 PCT/JP2014/005270 JP2014005270W WO2015068339A1 WO 2015068339 A1 WO2015068339 A1 WO 2015068339A1 JP 2014005270 W JP2014005270 W JP 2014005270W WO 2015068339 A1 WO2015068339 A1 WO 2015068339A1
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WO
WIPO (PCT)
Prior art keywords
light emitting
power
unit
emitting device
arrangement
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.)
Ceased
Application number
PCT/JP2014/005270
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English (en)
French (fr)
Japanese (ja)
Inventor
吉田　一郎
清彦 澤田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denso Corp
Original Assignee
Denso Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Denso Corp filed Critical Denso Corp
Priority to US15/034,188 priority Critical patent/US10274178B2/en
Publication of WO2015068339A1 publication Critical patent/WO2015068339A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
    • F21V23/023—Power supplies in a casing
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
    • 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • 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
    • H05B47/105—Controlling the light source in response to determined parameters
    • 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
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
    • H10H29/00—Integrated devices, or assemblies of multiple devices, comprising at least one light-emitting semiconductor element covered by group H10H20/00
    • H10H29/10—Integrated devices comprising at least one light-emitting semiconductor component covered by group H10H20/00
    • H10H29/14—Integrated devices comprising at least one light-emitting semiconductor component covered by group H10H20/00 comprising multiple light-emitting semiconductor components
    • H10H29/142—Two-dimensional arrangements, e.g. asymmetric LED layout
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/01—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with reflective or luminous safety means
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/005—Traffic control systems for road vehicles including pedestrian guidance indicator
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/40—The network being an on-board power network, i.e. within a vehicle
    • H02J2310/48—The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/05—Circuit arrangements or systems for wireless supply or distribution of electric power using capacitive coupling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

Definitions

  • the present disclosure relates to a pedestrian safety system for ensuring the safety of pedestrians and an attachment with a light emitting function that can be worn by pedestrians.
  • clothes with a light emitting function (light emitting clothes) to which light emitting parts such as light emitting diodes and inorganic electroluminescence (EL) are attached are provided. According to this, the light emitting part is turned on (emits light) at night so that the driver can recognize the presence of the pedestrian wearing the light emitting clothing, and the safety of the pedestrian is ensured.
  • a light emitting function light emitting clothes
  • EL inorganic electroluminescence
  • the present disclosure has been made in view of the above-described circumstances, and the purpose thereof is to appropriately ensure the safety of a pedestrian while making it unnecessary to provide a source of operating power for the light emitting unit on the pedestrian side.
  • An object is to provide a pedestrian safety system and an attachment with a light emitting function.
  • the pedestrian safety system includes a power transmission unit, a power reception unit, a power storage unit, and a light emitting unit.
  • a power transmission unit provided in the vehicle transmits electric power.
  • the power receiving unit provided in the attachment that can be worn by the pedestrian receives the electric power transmitted from the power transmission unit, and the power storage unit provided in the attachment stores the electric power received by the power receiving unit.
  • the light emission part provided in the said attachment blinks or lights as the electric power accumulate
  • the operating power supply source of the light emitting unit is not provided in the garment that can be worn by the pedestrian, but is provided in the vehicle, and the power transmitted from the power transmission unit of the vehicle is received by the power receiving unit.
  • the light emitting unit is turned on. Therefore, it is possible to appropriately ensure the safety of the pedestrian while making it unnecessary to provide the pedestrian with a source of operating power for the light emitting unit.
  • the attachment with a light emitting function configured to be worn by a pedestrian includes a power receiving unit, a power storage unit, and a light emitting unit.
  • the power reception unit receives power transmitted from a power transmission unit provided in the vehicle.
  • the power storage unit stores the power received by the power receiving unit.
  • the light emitting unit blinks or lights up with the electric power stored by the power storage unit as operating power.
  • the attachment with the light emitting function it is possible to appropriately ensure the safety of the pedestrian while making it unnecessary to provide the pedestrian with a source of operating power for the light emitting unit.
  • FIG. 1 is a functional block diagram illustrating an overall configuration of an embodiment of the present disclosure.
  • FIG. 2 is a perspective view of the light emitting device as seen from the back side.
  • FIG. 3 is a perspective view of the light emitting device group viewed from the front side.
  • FIG. 4 is a perspective view of the light emitting device group as viewed from the back side.
  • FIG. 5 is a diagram showing a mode in which the light emitting devices are two-dimensionally arranged.
  • FIG. 6 is a vertical side view showing the configuration of the light emitting unit, FIG. 7A to FIG.
  • FIG. 7C are diagrams showing an example of a mode in which the light emitting device is embedded in the fiber
  • FIG. 8A to FIG. 8C are diagrams showing another example of a mode in which the light emitting device is embedded in the fiber.
  • FIG. 9 is a functional block diagram showing the configuration of the external device
  • FIG. 10 is a sequence diagram of the reference position setting process performed in the first arrangement ID setting process.
  • FIG. 11 is a diagram showing a correspondence between the initial ID and the two-dimensional coordinates in the first arrangement ID setting process.
  • FIG. 12 is a sequence diagram (part 1) of the arrangement ID setting process based on the reference position performed in the first arrangement ID setting process.
  • FIG. 13 is a sequence diagram (part 2) of the arrangement ID setting process based on the reference position performed in the first arrangement ID setting process.
  • FIG. 14 (a) to 14 (c) are diagrams showing modes for detecting lighting
  • FIG. 15 is a diagram showing the correspondence between the initial ID and the arrangement ID.
  • FIG. 16 is a second arrangement ID setting process sequence diagram.
  • FIG. 17 is a diagram showing the correspondence between the initial ID and the two-dimensional coordinates in the second arrangement ID setting process.
  • FIG. 18 is a flowchart of the operation when the light emitting device individually operates individually.
  • FIG. 19 is a flowchart of an operation when the light emitting device individually operates individually.
  • FIG. 20 is a flowchart of the first control process based on the arrangement ID in the case of individual operation alone.
  • FIG. 21 is a flowchart of the second control process based on the arrangement ID in the case of individual operation alone.
  • FIG. 22 is a diagram showing a mode in which the light emitting device is provided on the wand
  • FIG. 23 is a diagram showing a mode in which the light emitting device is provided on the string
  • FIG. 24 is a diagram showing a mode in which the light emitting device is provided in the glasses
  • FIG. 25 is a diagram showing an example of the shape of the light emitting device
  • FIG. 26 is a diagram showing another example of the shape of the light emitting device
  • FIG. 27 is a diagram illustrating another example of the shape of the light emitting device.
  • the pedestrian safety system 1 is based on the premise that a pedestrian wears (wears) a light-emitting garment 2, and is mounted on the vehicle (automobile) 3 side of the light-emitting garment 2 worn by the pedestrian.
  • the apparatus 4 is comprised.
  • the light emitting garment 2 is configured by attaching a light emitting device group 6 to a garment 5 made of cloth, fiber, or the like. As will be described later, considering that the light-emitting device 7 constituting the light-emitting device group 6 has an electronic component or is used outdoors, at least at the place where the light-emitting device group 6 is attached. It is desirable that waterproof treatment or water repellent treatment is performed.
  • the light emitting device group 6 is not directly attached to the clothes 5, but the light emitting device group 6 is attached to a cloth, for example, and the light emitting device group 6 is attached.
  • the light emitting device group 6 may be indirectly attached to the garment 5 so as to be detachable.
  • the light emitting device 7 may be sealed in a waterproof or water-repellent capsule.
  • the light emitting device group 6 is configured by regularly arranging a plurality of light emitting devices 7 two-dimensionally (planarly). As shown in FIG. 2, each light-emitting device 7 constituting the light-emitting device group 6 is combined so that a circular plate-shaped substrate 8 and a light guide plate 9 overlap each other, and is formed into a flat cylindrical shape as a whole. ing.
  • a light emitting unit 10 is built in the light guide plate 9.
  • the substrate 8 is provided with an annular power receiving coil 11 along the outer shape of the substrate 8.
  • the power receiving coil 11 functions as an antenna, but may be a planar antenna or a chip antenna instead of the power receiving coil 11. Further, in order to increase the power receiving efficiency, the power receiving coil 11 may be held by a material capable of adjusting the magnetic permeability and the dielectric constant.
  • the light emitting device group 6 has a plurality of light emitting devices 7 arranged two-dimensionally as shown in FIGS. 3 and 4 (“3 ⁇ 3” is illustrated in FIGS. 3 and 4).
  • the light-emitting device 7 has a control unit 12, a power reception unit 13, a power storage unit 14, a short-range wireless communication unit 15, a storage unit 16, and a left side light reception as illustrated in FIG. 1.
  • the sensor 17, the right side light receiving sensor 18, the upper side light receiving sensor 19, the lower side light receiving sensor 20, and the light emitting unit 10 described above are included.
  • the control unit 12 includes a known microcomputer having a CPU (Central Processing Unit), a ROM (Read Only Memory), a RAM (Random Access Memory), an I / O (Input / Output) bus, and the like.
  • the control unit 12 controls the overall operation of the light emitting device 7 such as power reception control, data communication control, and storage control by executing a computer program stored in a ROM or the like.
  • the power receiving unit 13 includes the above-described power receiving coil 11 and a power receiving capacitor (not shown), and is wirelessly charged by a radio wave reception method (non-contact charging, wireless charging) with the power transmitting unit 21 of the in-vehicle device 4 described later. I do.
  • the power receiving unit 13 has a reception function of a narrow area wireless communication (DSRC) used in an intelligent road transport system (ITS) and transmits a narrow area wireless communication.
  • DSRC narrow area wireless communication
  • ITS intelligent road transport system
  • the power storage unit 14 stores the power generated by the power receiving unit 13 and supplies the stored power to each functional block as the operating power of the light emitting device 7.
  • Wireless charging by the radio wave reception method has an advantage that a long transmission distance can be ensured compared to wireless charging by other methods such as an electromagnetic induction method, and a transmission distance of about 100 meters can be ensured.
  • the wireless charging by the radio wave reception method is exemplified. However, if it is possible to secure the power transmission distance required by the pedestrian safety system 1, the electromagnetic induction method and the magnetic field resonance method are used. Further, wireless charging by other methods such as an electric field coupling method may be applied.
  • the power transmission unit 21 includes a power transmission coil 22 and a power transmission capacitor (not shown).
  • the power receiving unit 13 receives the electromagnetic wave by the power receiving coil 11
  • the power receiving unit 13 demodulates the received electromagnetic wave, detects the start signal, and outputs the start signal to the control unit 12.
  • the control unit 12 is activated on the condition that sufficient power is supplied from the power storage unit 14 as operating power.
  • the control unit 12 identifies an operation command included in the activation signal, and operates the light emitting unit 10 according to the identified operation command (switches between blinking or lighting and extinguishing).
  • the short-range wireless communication unit 15 performs data communication with a short-range wireless communication unit 54 of the external device 51 described later by short-range wireless communication (for example, Bluetooth (registered trademark), wireless LAN (Local Area Network), etc.).
  • the storage unit 16 can store an initial ID (initial information) and an arrangement ID (arrangement information) in the storage area.
  • the initial ID is a unique ID stored in the manufacturing process of the light emitting device 7 and is a value that is valid until the light emitting device 7 is two-dimensionally combined and the arrangement ID is written.
  • the control unit 12 can read the initial ID from the storage unit 16 by outputting a read command to the storage unit 16.
  • the arrangement ID is a unique ID indicating position information that can be arbitrarily written, and is a value that becomes effective after the light emitting device 7 is two-dimensionally combined and the arrangement ID is written.
  • the control unit 12 can write the arrangement ID in the storage unit 16 by outputting a write command to the storage unit 16.
  • the arrangement ID is a two-dimensional coordinate (or a numerical value indicating the two-dimensional coordinate) in the configuration in which the light emitting devices 7 are two-dimensionally combined as in the present embodiment. The procedure for writing the arrangement ID based on the initial ID will be described later.
  • the left side light receiving sensor 17 is provided so as to be able to detect the blinking or lighting of the light emitting device 7 arranged adjacent to the left side when viewed from the front (the surface on which the light emitting unit 10 blinks or lights). When blinking or lighting is detected, a detection signal is output to the control unit 12.
  • the right side light receiving sensor 18 is provided so as to be able to detect the blinking or lighting of the light emitting device 7 disposed adjacent to the right side of the right side when viewed from the front, and when the blinking or lighting is detected, the detection signal is transmitted to the control unit. 12 is output.
  • the upper side light receiving sensor 19 is provided so as to be able to detect the blinking or lighting of the light emitting device 7 disposed adjacent to the upper side of itself when viewed from the front. When the blinking or lighting is detected, the detection signal is transmitted to the control unit. 12 is output.
  • the lower side light receiving sensor 20 is provided so as to be able to detect blinking or lighting of the light emitting device 7 arranged adjacent to the lower side of itself when viewed from the front, and controls the detection signal when the blinking or lighting is detected.
  • the light emitting device 7 is provided with marks indicating the left, right, up, and down directions, for example, by printing or engraving, and an operator who combines the light emitting devices 7 can move the light emitting device 7 according to the marks as shown in FIG. Can be associated with each of the light receiving sensors 17 to 20 (for example, assembled so that the left side light receiving sensor 17 is located on the left side when viewed from the front).
  • the light emitting unit 10 is configured by combining the semiconductor substrate 23 and the light diffusion layer 24 so as to overlap each other.
  • the semiconductor substrate 23 is provided with three LEDs 25a to 25c
  • the light diffusion layer 24 is provided with a red filter 26a, a green filter 26b, and a blue filter 26c corresponding to the three LEDs 25a to 25c. It has been.
  • the control unit 12 individually controls lighting and extinguishing of the three LEDs 25a to 25c, and individually controls light transmission amounts of the red filter 26a, the green filter 26b, and the blue filter 26c.
  • the controller 12 can reproduce many colors by changing the light transmission amounts of the red filter 26a, the green filter 26b, and the blue filter 26c.
  • FIGS. 7 (a) to 7 (c) and FIGS. 8 (a) to 8 (c) show an embodiment in which the light emitting device 7 configured as described above is attached to the garment 5.
  • Fig. 3 shows an embedded mode.
  • FIG. 7A to FIG. 7C illustrate a manufacturing method using the crimping punches 31 and 32.
  • the heated crimping punches 31 and 32 are reciprocated in the horizontal direction to contract the tube 33.
  • a fixing position (insertion position) 34 of the light emitting device 7 is formed, and the light emitting device 7 is inserted into the fixing position 34. Thereafter, the tube 33 is moved (moved downward in FIGS.
  • the light emitting device 7 is fixed at the fixing position 34.
  • a fiber in which a plurality of light emitting devices 7 are embedded can be manufactured.
  • the clothes 5 in which the several light-emitting device 7 was embedded can be manufactured by sewing the fiber together.
  • FIG. 8A to FIG. 8C illustrate a manufacturing method using the upper mold 41 and the lower mold 42 of the injection mold.
  • the upper mold 41 and the lower mold 42 are combined.
  • the resin 43 is injected into the space between the upper mold 41 and the lower mold 42, and after the resin 43 is solidified, the resin 43 is removed from the upper mold 41 and the lower mold 42 to embed a plurality of light emitting devices 7. Fiber can be produced. And the clothes 5 in which the several light-emitting device 7 was embedded can be manufactured by sewing the fiber together.
  • 8A to 8C illustrate the case where the resin 43 is injected from the horizontal direction (the same direction as the direction in which the light emitting devices 7 are arranged). In this case, the light emitting device is used. By making a hole in the center of 7, the resin 43 can be easily injected. Further, if the resin 43 is injected from above (in a direction perpendicular to the direction in which the light emitting devices 7 are arranged), it is not necessary to make a hole in the center of the light emitting device 7.
  • the procedure for writing the arrangement ID based on the initial ID in the light emitting device 7 will be described with reference to FIGS.
  • the light emitting device 7 needs to be written with the arrangement ID in consideration of a group operation in cooperation with others described later.
  • the light emitting device 7 can switch between blinking or lighting and extinguishing according to the arrangement ID when the group operation is performed in cooperation with others described later.
  • the external device 51 is a device for writing the arrangement ID to each light emitting device 7, and may be a portable device such as a mobile phone or a portable information terminal that can be carried by the user. Alternatively, a dedicated device for writing the arrangement ID may be used.
  • the external device 51 includes a control unit 52, a power transmission unit 53, a short-range wireless communication unit 54, an imaging unit 55, a storage unit 56, and an operation input unit 57.
  • the control unit 52 is composed of a well-known microcomputer having a CPU, ROM, RAM, I / O bus, and the like.
  • the control unit 52 controls the overall operation of the external device 51 such as power transmission control and data communication control by executing a computer program stored in a ROM or the like.
  • the power transmission unit 53 includes a power transmission coil 58 and a power transmission capacitor (not shown), and performs wireless charging (non-contact charging) using a radio wave reception method with the power receiving unit 13 of the light emitting device 7 described above.
  • the near field communication unit 54 performs data communication by near field communication with the near field communication unit 15 of the light emitting device 7 described above.
  • the imaging unit 55 includes a CCD (Charge-Coupled Device) sensor, a CMOS (Complementary Metal-Oxide-Semiconductor) sensor, and the like.
  • the entire light-emitting device group 6 is imaged from the front, and an image acquired by capturing the image is sent to the control unit 52.
  • the storage unit 56 stores an ID correspondence table that can specify the correspondence between the initial IDs and the arrangement IDs of the light emitting devices 7 described above.
  • the operation input unit 57 receives a user command input operation and outputs the received command input operation to the control unit 52.
  • the arrangement ID is set after the position of the light emitting device 7 is accurately specified.
  • the light emission is performed depending on the size of the pixel (the light emitting unit 10 of the light emitting device 7), the imaging capability of the imaging unit 55, and the like. There is a case where the position of the device 7 can be accurately specified and a case where it is impossible.
  • the two-dimensional position of each light emitting device 7 can be accurately specified.
  • the two-dimensional position of each light-emitting device 7 cannot be accurately specified.
  • first arrangement ID setting process a process of setting an arrangement ID when the position of the light emitting device 7 cannot be accurately specified
  • second arrangement ID setting process an arrangement ID when the position of the light emitting device 7 can be accurately specified.
  • any one position of the plurality of light emitting devices 7 is set as a reference position, and a relative position (with reference to the reference position) ( Relative position) is obtained, and the arrangement IDs of all the light emitting devices 7 are set.
  • a reference position setting process for setting a reference position and an arrangement ID setting process based on the reference position are performed.
  • FIG. 10 is a sequence diagram of the reference position setting process performed in the first arrangement ID setting process.
  • the control unit 52 energizes the power transmission unit 53, transmits electromagnetic waves from the power transmission unit 53 to all the light emitting devices 7, and transmits power to all the light emitting devices 7 (S1).
  • the light emitting units 10 can be turned on (T1).
  • the control unit 52 outputs a lighting command for all the light emitting devices 7 to the short-range wireless communication unit 54, and sends a lighting request [no initial ID designation] from the short-range wireless communication unit 54 to all the light emitting devices 7. (S2).
  • the control unit 12 when the control unit 12 receives the lighting request [no initial ID designation] transmitted from the external device 51 by the short-range wireless communication unit 15, the control unit 12 lights the light emitting unit 10 according to the received lighting request. (T2). In this case, since the lighting request is for all the light emitting devices 7, the light emitting units 10 of all the light emitting devices 7 are turned on.
  • the control unit 52 activates the imaging unit 55 in a state in which the light emitting units 10 of all the light emitting devices 7 are lit, and causes the imaging unit 55 to image the entire light emitting device group 6.
  • the control unit 52 identifies an area where the light emitting units 10 of all the light emitting devices 7 are lit as a lighting area by analyzing the image acquired by the imaging unit 55.
  • the control unit 52 stores the identified lighting area in the storage unit 56 as a two-dimensional coordinate (S3).
  • the control unit 52 outputs an initial ID transmission command for all the light emitting devices 7 to the short-range wireless communication unit 54, and sends an initial ID transmission request [no initial ID designation] from the short-range wireless communication unit 54.
  • the data is transmitted to the device 7 (S4).
  • the control unit 12 when the initial ID transmission request [no initial ID designation] transmitted from the external device 51 is received by the short-range wireless communication unit 15, the control unit 12 outputs a read command to the storage unit 16 and the initial ID. Is read from the storage unit 16 (T3), and the read initial ID is transmitted from the short-range wireless communication unit 15 to the external device 51. In this case, all the light emitting devices 7 transmit the initial ID.
  • the control unit 52 when the control unit 52 receives the initial ID transmitted from all the light emitting devices 7 by the wireless communication unit 25, the control unit 52 stores the received initial ID in the storage unit 56. That is, the control unit 52 stores the initial IDs for the number of all the light emitting devices 7 constituting the light emitting device group 6 in the storage unit 56 (S5).
  • the control unit 52 reads the initial IDs stored in the storage unit 56 one by one, outputs a lighting command for the read initial IDs to the short-range wireless communication unit 54, and requests the lighting [specified initial ID]. Is transmitted from the short-range wireless communication unit 54 to the light emitting device 7 (S6).
  • the control unit 12 turns on the light emitting unit 10 in accordance with the received lighting request. (T4). In this case, only the light emitting unit 10 of the light emitting device 7 having the designated initial ID is lit. That is, the control unit 12 collates the initial ID specified in the received lighting request with its own initial ID, and turns on the light emitting unit 10 if they match, and if they do not match, the light emitting unit 10. Do not light up.
  • the control unit 52 analyzes the image acquired by the imaging unit 55 while the light emitting unit 10 of the designated light emitting device 7 is lit, so that the light emitting unit 10 is lit.
  • the position of the light emitting device 7 is specified, and as shown in FIG. 11, the initial ID is associated with the two-dimensional coordinates (x am (m is a natural number), y an (n is a natural number)) (S7).
  • the control part 52 repeats the above-mentioned procedure with respect to all the initial ID.
  • it is possible to associate two-dimensional coordinates with all initial IDs but the two-dimensional coordinates associated with all the initial IDs are roughly coordinated as described above, and have a regular order. Therefore, it is necessary to set a regular order.
  • the control unit 52 specifies the initial ID of the reference position after associating all the initial IDs with the two-dimensional coordinates (S8). That is, when the light emitting device group 6 is viewed from the front, for example, when the upper left position is set as the reference position, the control unit 52 has the two-dimensional position that is the uppermost left position among the two-dimensional coordinates associated with all the initial IDs.
  • the coordinates are specified, and the initial ID corresponding to the specified two-dimensional coordinate that is the uppermost left position is specified as the initial ID of the reference position.
  • the two-dimensional coordinate at the upper left position is a combination of the minimum x coordinate among the x coordinates associated with all the initial IDs and the minimum y coordinate among the y coordinates associated with all the initial IDs. If the x coordinate of “1” is “1” and the minimum y coordinate is “1”, then (1, 1).
  • FIGS. 12 and 13 are sequence diagrams of an arrangement ID setting process based on the reference position.
  • the control unit 52 targets the light-emitting device 7 of (1, 1) that is the two-dimensional coordinate of the reference position.
  • a lighting command is output to the short-range wireless communication unit 54, and a lighting request [initial ID of (1, 1)] is transmitted from the short-range wireless communication unit 54 to the light emitting device 7 (S11).
  • the control unit 12 when the control unit 12 receives the lighting request [initial ID of (1, 1)] transmitted from the external device 51 by the short-range wireless communication unit 15, the light emitting unit responds to the received lighting request. 10 is turned on (T11). In this case, the light emitting unit 10 of the light emitting device 7 arranged at the reference position (1, 1) coordinates emits light, and the light emitting units 10 of the other light emitting devices 7 do not light up.
  • the light emitting device 7 arranged at the coordinates (1, 1) as the reference position is turned on.
  • the adjacent light emitting device 7 detects the lighting. That is, the light emitting device 7 arranged on the right side when viewed from the front of the light emitting device 7 arranged at the coordinates (1,1) detects lighting by the left side light receiving sensor 17 (T12). Then, the light-emitting device 7 that has detected lighting indicates its initial ID as a left-lighting detection response [(2, 2) to notify that it is the coordinates (2, 1) to the right of the light-emitting (1, 1). 1) as the initial ID].
  • the light emitting device 7 arranged on the lower side as viewed from the front of the light emitting device 7 arranged at the coordinates (1,1) detects lighting by the upper side light receiving sensor 19 (T13). Then, the light-emitting device 7 that has detected the lighting indicates its initial ID to indicate that it is the coordinates (1,2) below the light-emitting (1,1). 2) as the initial ID].
  • the control unit 52 determines the initial ID of the light emitting device 7.
  • the arrangement ID (2, 1) is associated (S12).
  • the control unit 52 receives the initial ID and the arrangement ID ( 1, 2) are associated (S13).
  • control unit 52 outputs a turn-off command to the short-range wireless communication unit 54 for the light-emitting device 7 of (1, 1) that is the reference position that has been turned on, and the turn-off request [(1, 1) The initial ID] is transmitted from the short-range wireless communication unit 54 to the light emitting device 7 (S14).
  • the control unit 12 when the control unit 12 receives the turn-off request [initial ID of (1, 1)] transmitted from the external device 51 by the short-range wireless communication unit 15, the light-emitting unit 7 responds to the received turn-off request. 10 is turned off (T14). In this case, the light emitting unit 10 of the light emitting device 7 arranged at the reference position (1, 1) coordinates stops light emission.
  • the control unit 52 outputs a lighting command for the light-emitting device 7 of (2, 1) associated with the arrangement ID (2, 1) to the short-range wireless communication unit 54, and the lighting request [ The initial ID of (2, 1)] is transmitted from the short-range wireless communication unit 54 to the light emitting device 7 (S15).
  • the light emitting unit 10 of the light emitting device 7 arranged at the coordinates (2,1) emits light (T15), and is viewed from the front of the light emitting device 7 arranged at the coordinates (2,1).
  • the light emitting device 3 arranged on the right side detects lighting by the left side light receiving sensor 17 (T16), and transmits a left lighting detection response [initial ID of (3, 1)].
  • the light emitting device 7 arranged on the lower side when viewed from the front of the light emitting device 7 arranged at the coordinates (2,1) detects lighting by the upper side light receiving sensor 19 (T17).
  • a lighting detection response [initial ID of (2, 2)] is transmitted.
  • the control unit 52 determines the initial ID of the light emitting device 7.
  • the arrangement ID (3, 1) is associated (S16).
  • the control unit 52 receives the upper lighting detection response [the initial ID of (2, 2)] transmitted from the light emitting device 7 by the short-range wireless communication unit 54, the initial ID and the arrangement ID ( 2, 2) are associated (S17).
  • the control unit 52 outputs a turn-off command to the short-range wireless communication unit 54 for the (2, 1) light-emitting device 7 that has been turned on, and sends a turn-off request [initial ID of (2, 1)].
  • the short distance wireless communication unit 54 transmits the light to the light emitting device 7 (S18). In this case, the light emitting unit 10 of the light emitting device 7 arranged at the coordinates (2, 1) stops emitting light (T18).
  • the control unit 52 outputs a lighting command for the light-emitting device 7 of (1, 2) associated with the arrangement ID (1, 2) to the short-range wireless communication unit 54, and turns it on.
  • the request [initial ID of (1, 2)] is transmitted from the short-range wireless communication unit 54 to the light emitting device 7 (S19).
  • the light emitting unit 10 of the light emitting device 7 arranged at the coordinates (1,2) emits light (T19), and is viewed from the front of the light emitting device 7 arranged at the coordinates (1,2).
  • the light emitting device 3 arranged on the lower side detects lighting by the upper side light receiving sensor 19 (T20), and transmits an upper lighting detection response [initial ID of (1, 3)].
  • the control unit 52 determines the initial ID of the light emitting device 7.
  • the arrangement ID (1, 3) is associated (S20).
  • the control unit 52 turns on and off the light emitting device 7 from the reference position in the horizontal direction and the vertical direction. Sequential control is performed and the same procedure is performed (S21, T21). As shown in FIG. 15, the initial IDs and the arrangement IDs of all the light emitting devices 7 are associated with each other, and the arrangement IDs of all the light emitting devices 7 are determined. Then, after determining the arrangement IDs for all the light emitting devices 7, the control unit 52 outputs an arrangement ID setting command for all the light emitting devices 7 to the short-range wireless communication unit 54, and issues an arrangement ID setting request. The distance wireless communication unit 54 transmits to all the light emitting devices 7 (S23).
  • the control unit 12 sets the arrangement ID according to the received arrangement ID setting request (T22). . That is, the control unit 12 sets the specified arrangement ID by specifying the arrangement ID corresponding to its own initial ID. Then, when the setting of the arrangement ID is completed, the control unit 12 transmits the arrangement ID setting completion from the short-range wireless communication unit 15 to the external device 51.
  • the arrangement ID can be set for each light emitting device 7.
  • the x coordinate and the y coordinate constituting the arrangement ID are in ascending order with reference to the reference position (1, 1).
  • the upper left position of the two-dimensional coordinates associated with all the initial IDs is the reference position, but any position may be used as the reference position.
  • the lighting device 7 may be turned on and off one step at a time from the reference position in the horizontal direction.
  • the second arrangement ID setting process obtains an absolute position (absolute position) without setting a reference position.
  • the arrangement IDs of all the light emitting devices 7 are set.
  • the external device 51 performs S31 to S37 corresponding to S1 to S7 described in the above “(1) First arrangement ID setting process”.
  • the light emitting device 7 performs T31 to T34 corresponding to T1 to T4.
  • the control unit 52 associates the initial ID with a two-dimensional coordinate (x bm (m is a natural number), y bn (n is a natural number)).
  • the two-dimensional coordinates (x bm , y bn ) are different from the two-dimensional coordinates (x am , y an ) described in the above (1) first arrangement ID setting process, and are not approximate coordinates.
  • the coordinates follow a general order.
  • control part 52 determines arrangement
  • the control unit 12 sets the arrangement ID according to the received arrangement ID setting request (T35). . That is, the control unit 12 sets the specified arrangement ID by specifying the arrangement ID corresponding to its own initial ID. Then, when the setting of the arrangement ID is completed, the control unit 12 transmits the arrangement ID setting completion from the short-range wireless communication unit 15 to the external device 51.
  • the arrangement ID is set for each light emitting device 7 without setting the reference position. Can do.
  • each light emitting device is set in a state where the arrangement ID is set in the light emitting device 7 by performing the first arrangement ID setting process and the second arrangement ID setting process.
  • the operation of switching 7 between blinking or lighting and extinguishing will be described with reference to FIGS.
  • the light emitting device 7 can be switched between blinking or lighting and extinguishing when it operates individually (FIG. 18) and when it operates as a group in cooperation with others (FIG. 19).
  • each operation will be described sequentially.
  • the light emitting devices 7 attached to the light emitting garment 2 all perform the same operation.
  • the light emitting device 7 approaches (approaches) the pedestrian wearing the light emitting garment 2 by the vehicle 3 on which the in-vehicle device 4 is mounted, and the vehicle 3 approaches the pedestrian up to the power transmission distance of the electromagnetic wave transmitted from the power transmission unit 21.
  • the power reception unit 13 receives the electromagnetic wave transmitted from the power transmission unit 21.
  • the power receiving unit 13 rectifies the received electromagnetic wave and converts it into a direct current to generate electric power, and demodulates the received electromagnetic wave to detect an activation signal.
  • the activation signal is output to the control unit 12.
  • the power storage unit 14 stores the power (received power) generated by the power receiving unit 13 and supplies the stored power to each functional block as the operating power of the light emitting device 7. As illustrated in FIG. 18, when the activation signal is input from the power receiving unit 13, the control unit 12 is activated when the operating power supplied from the power storage unit 14 is equal to or greater than the threshold (T 101). Note that the power storage unit 14 continues to accumulate the power generated by the power receiving unit 13 (continues wireless charging) during a period in which the power receiving unit 13 receives the electromagnetic wave transmitted from the power transmitting unit 21.
  • the control unit 12 extracts and determines a power transmission source ID that can identify the power transmission source from the electromagnetic wave received by the power reception unit 13, and determines the transmission source of the electromagnetic wave (T103).
  • the electromagnetic wave received by the power receiving unit 13 is an electromagnetic wave transmitted from the in-vehicle device 4 mounted on the vehicle 3, and the transmission source of the electromagnetic wave is the vehicle 3 (the power transmission unit 21 of the vehicle 3).
  • T104: YES the operation command included in the activation signal input from the power receiving unit 13 is specified, and the operation pattern specified by the operation command is specified (T105).
  • the control part 12 controls blinking or lighting of the light emission part 10 according to the specified operation
  • control unit 12 is an electromagnetic wave transmitted from an electromagnetic device received by the power receiving unit 13 other than the in-vehicle device 4 mounted on the vehicle 3 (for example, a road machine), and the transmission source of the electromagnetic wave is the vehicle 3 (the vehicle 3 If it is determined that it is other than the power transmission unit 21) (T104: NO), an operation corresponding to the transmission source of the electromagnetic wave is performed (T107).
  • the first set value in which the amount of power (received power) generated by the power receiving unit 13 is set in advance It is determined whether or not the above has been reached, and it is determined whether or not the value has become equal to or less than a preset second setting value (a value lower than the first setting value) (T108, T109).
  • a preset second setting value a value lower than the first setting value
  • the control unit 12 determines that the amount of received power is equal to or greater than the first set value due to the vehicle 3 being closer to the pedestrian (T108: YES)
  • the control unit 12 includes the activation signal input from the power receiving unit 13
  • the operation command specified is specified, and the operation pattern specified by the operation command is specified (T110). Then, in this case, the control unit 12 controls blinking or lighting of the light emitting unit 10 according to the distance from the vehicle to the pedestrian according to the specified operation pattern (T111). If the operation pattern specified by the operation command is an operation pattern instructing blinking at a second blinking speed that is faster than the first blinking speed, for example, the control unit 12 causes the light emitting unit 10 to move at the second blinking speed.
  • the control unit 12 may further change the blinking speed according to the distance to the pedestrian.
  • the control unit 12 determines that the amount of received power is equal to or lower than the second set value because the vehicle 3 has left the pedestrian (T109: YES)
  • the light emitting unit 10 blinks or lights up. Is switched to OFF (T112).
  • the vehicle 3 equipped with the in-vehicle device 4 approaches a pedestrian wearing the light emitting garment 2, the light emitting device 7 of the light emitting garment 2 worn by the pedestrian flashes or lights up.
  • the driver can recognize the presence of the pedestrian, and the safety of the pedestrian can be ensured.
  • the electromagnetic waves received from the in-vehicle device 4 are used as the operating power of the light emitting device 7, it is not necessary to provide the light emitting garment 2 with a source of operating power for the light emitting device 7 (such as a rechargeable battery).
  • the mode in which the blinking speed is switched by changing the distance from the vehicle 3 to the pedestrian has been illustrated.
  • the blinking color is switched by changing the distance from the vehicle 3 to the pedestrian (for example, blinking yellow)
  • the flashing speed and the flashing color may be switched at the same time.
  • the light emitting devices 7 attached to the light emitting garment 2 do not all perform the same operation, but are designated by the arrangement ID. Only the light emitting device 7 that has been operated operates. In this case, as shown in FIG. 19, in the light emitting device 7, when the control unit 12 determines that the transmission source of the electromagnetic wave is the vehicle 3 (the power transmission unit 21 of the vehicle 3) (T104: YES), based on the arrangement ID. The process proceeds to the first control process (T121).
  • the control unit 12 when the control unit 12 proceeds to the first control process based on the arrangement ID, the control unit 12 specifies an operation command included in the activation signal input from the power reception unit 13 and is specified by the specified operation command.
  • the current arrangement ID is compared with the own arrangement ID (T131), and it is determined whether or not the own arrangement ID is designated as a blinking or lighting target (T132).
  • T131 the own arrangement ID
  • T132 the control unit 12 specifies the operation pattern specified by the operation command (T133), and the specified operation
  • the flashing or lighting of the light emitting unit 10 is controlled according to the pattern (T134).
  • the control unit 12 determines that its own arrangement ID is not designated as a blinking or lighting target (T132: NO)
  • the control unit 12 does not control blinking or lighting of the light emitting unit 10.
  • the second control based on the arrangement ID is performed.
  • the process proceeds to processing (T122).
  • the control unit 12 specifies the operation command included in the activation signal input from the power reception unit 13, and the specified operation
  • the arrangement ID specified by the command is collated with its own arrangement ID (T141), and it is determined whether or not the own arrangement ID is designated as a blinking or lighting target (T142).
  • control unit 12 determines that its arrangement ID is designated as a blinking or lighting target (T142: YES)
  • the control unit 12 identifies the operation pattern designated by the operation command (T143), and the identified operation.
  • the flashing or lighting of the light emitting unit 10 is controlled according to the distance to the pedestrian according to the pattern (T144).
  • the control unit 12 determines that its own arrangement ID is not designated as a blinking or lighting target (T142: NO)
  • the control unit 12 does not control blinking or lighting of the light emitting unit 10.
  • the light emitting device 7 of the light emitting garment 2 worn by the pedestrian is worn by the series of processes described above when the vehicle 3 equipped with the vehicle-mounted device 4 approaches the pedestrian wearing the light emitting garment 2. By blinking or turning on, the driver can recognize the presence of the pedestrian, and the safety of the pedestrian can be ensured.
  • the arrangement ID is designated and the light emitting unit 10 is turned on or off. By controlling, specific information (characters, images, etc.) can be displayed.
  • data related to the arrangement ID of the light emitting device 7 (value of the arrangement ID, number, etc.) is stored in advance, and according to the distance between the vehicle 3 and the pedestrian based on the stored data.
  • the operation information is generated and electromagnetic waves including the generated operation command are transmitted according to the distance between the vehicle 3 and the pedestrian, thereby changing specific information according to the distance between the vehicle 3 and the pedestrian. Can be displayed.
  • the shape of the light emitting device may be formed in accordance with the shape and size of the attachment to which the light emitting device is attached.
  • the light emitting device 61 may be attached to the cane 62.
  • the light emitting device 63 may be attached to a string 64 that is used by being wound around the body (having flexibility).
  • the light emitting device 65 may be attached to a frame 67 of the glasses 66.
  • the light emitting device may be attached to a hat, shoes, a belt, accessories such as earrings, earrings, a necklace, a bag, or the like.
  • the size and shape of the light emitting device may be any size and shape.
  • a circular and flat substrate 8 and a rectangular light guide plate 71 may be combined.
  • a circular flat plate-like substrate 8 and a hemispherical 72 light guide plate may be combined to form an egg shape as a whole.
  • the shape may be a regular tetrahedron as a whole, and the power receiving coil 11 may be provided on each of the surfaces 73a to 73d. In the configuration in which the power receiving coil 11 is provided on each of the surfaces 73a to 73d of the regular tetrahedron, the electromagnetic wave reception sensitivity can be increased as compared with the configuration in which the power receiving coil 11 is provided on only one surface.
  • the vehicle 3 on which the in-vehicle device 4 is mounted approaches a pedestrian wearing the light emitting garment 2, and the electromagnetic wave transmitted from the power transmission unit 21 of the in-vehicle device 4 emits the light emitting device.
  • the power receiving unit 13 receives the light
  • the light emitting unit 10 blinks or lights up.
  • the operating power supply source of the light emitting device 7 is provided on the pedestrian side by providing the operating power supply source of the light emitting device 7 not on the light emitting clothes 2 worn by the pedestrian but on the vehicle 3. It is possible to appropriately ensure the safety of pedestrians while eliminating the need for.
  • it is possible to give the pedestrian a sense of security by making the pedestrian aware that his / her presence is recognized by the driver.
  • the supply source of the operating power of the light emitting device 7 is not provided in the garment 5, the size of the garment 5 is not increased, the weight is not increased, and the comfort is not deteriorated. Furthermore, when compared with a system that detects light and infrared rays to detect pedestrians and displays the detection results on the screen of the display device, the system that emits light and infrared rays indicates the presence of pedestrians on the screen of the display device. However, according to the present disclosure, the presence of a pedestrian can be visually confirmed.
  • the light emitting device 7 When the light emitting device 7 performs a group operation in cooperation with others, not all of the light emitting devices 7 attached to the light emitting garment 2 perform the same operation, but only the light emitting device 7 designated by the arrangement ID. The operation was performed. Thereby, specific information (a character, an image, etc.) can be displayed by designating arrangement
  • FIG. Further, the operation pattern of blinking or lighting is switched according to the amount of received power received by the power receiving unit 13 of the light emitting device 7 when the electromagnetic wave transmitted from the power transmitting unit 21 of the in-vehicle device 4 is used.
  • the blinking or lighting operation pattern the distance from the vehicle 3 to the pedestrian can be recognized by the pedestrian, and the safety of the pedestrian can be ensured more appropriately.
  • the light emitting device is activated only at night.
  • an illuminance sensor may be provided so that the light emitting device blinks or lights up under the condition that the surrounding darkness is a predetermined level or less. Further, the light emitting device may blink or light up under a specific time zone (night time zone). Furthermore, not only at night, but by providing a detection unit that detects that the visibility of rain, snow, fog, etc. is poor, the light emitting device blinks or lights up under such a poor visibility. You may do it. With such a configuration, the light emitting device can be operated only under conditions with poor visibility, and the activation and stop of the light emitting device can be minimized, and the product life of the light emitting device can be extended. .
  • the light emitting unit may be configured to blink or light in a single color.
  • the number and arrangement of the light emitting devices are acquired and specified by performing data communication with the light emitting devices attached to the light emitting clothing, and the arrangement ID is determined according to the number and arrangement of the identified light emitting devices. May be set for each light emitting garment.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Engineering & Computer Science (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Traffic Control Systems (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
PCT/JP2014/005270 2013-11-06 2014-10-17 歩行者安全システム及び発光機能付き装着物 Ceased WO2015068339A1 (ja)

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CN109309408A (zh) * 2017-06-13 2019-02-05 美国亚德诺半导体公司 智能服装的无线充电技术及相关系统和方法

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