WO2023085212A1 - 灯具システム - Google Patents

灯具システム Download PDF

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Publication number
WO2023085212A1
WO2023085212A1 PCT/JP2022/041190 JP2022041190W WO2023085212A1 WO 2023085212 A1 WO2023085212 A1 WO 2023085212A1 JP 2022041190 W JP2022041190 W JP 2022041190W WO 2023085212 A1 WO2023085212 A1 WO 2023085212A1
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
lamp
display
lighting
lighting system
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/JP2022/041190
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English (en)
French (fr)
Japanese (ja)
Inventor
例人 田村
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.)
Koito Manufacturing Co Ltd
Original Assignee
Koito Manufacturing Co Ltd
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 Koito Manufacturing Co Ltd filed Critical Koito Manufacturing Co Ltd
Priority to JP2023559607A priority Critical patent/JPWO2023085212A1/ja
Publication of WO2023085212A1 publication Critical patent/WO2023085212A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
    • B60Q1/52—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking for indicating emergencies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q5/00—Arrangement or adaptation of acoustic signal devices

Definitions

  • the present invention relates to a lighting system.
  • Levels 0 to 5 are defined for automated driving, and levels 3 and higher are generally regarded as automated driving.
  • Level 3 is called conditional automated driving, where the system operates everything in a specific location and the driver takes over in an emergency.
  • Level 4 is called highly automated driving, where the system recognizes traffic conditions only in specific locations such as expressways and performs all operations related to driving.
  • Level 5 is called fully automated driving, where the system perceives traffic conditions without location restrictions and performs all operations related to driving.
  • the present invention has been made, and one exemplary objective of certain aspects thereof is to provide a lighting system that can communicate with other traffic participants around the vehicle.
  • a lighting system includes a lamp, a display provided on a vehicle so as to be visible from the outside of the vehicle, and a control unit that controls the lamp and the display.
  • the control unit lights a lamp to attract the attention of other traffic participants at the start of a predetermined event, and displays information for the traffic participants on the display after lighting the lamp.
  • the lighting system includes a lamp, a road drawing lamp, and a controller for controlling the lamp and the road drawing lamp.
  • the control unit lights a lamp to attract the attention of other traffic participants at the start of a predetermined event, and after lighting the lamp, controls a road surface drawing lamp to draw information for other traffic participants on the road surface. .
  • FIG. 1 is a side view of a vehicle equipped with a lighting system according to an embodiment
  • FIG. 2 is a front view of the vehicle of FIG. 1
  • FIG. 2 is a schematic front view showing part of the lighting system of FIG. 1
  • FIG. 4 is a cross-sectional view taken along line AA of FIG. 3
  • FIG. 4 is a cross-sectional view taken along the line BB of FIG. 3
  • FIG. 2 is a functional block diagram of the lamp system of FIG. 1
  • FIG. FIGS. 7(a) to (g) are diagrams for explaining the operation of the lighting system regarding proximity events in chronological order.
  • FIGS. 8(a) to (e) are diagrams for explaining the operation of the lighting system regarding proximity events in chronological order.
  • FIGS. 9A to 9D are diagrams for explaining the operation of the lighting system in an approach event in chronological order.
  • FIG. 1 is a side view of a vehicle 100 equipped with lighting systems 10 and 11 according to the embodiment.
  • FIG. 2 is a front view of vehicle 100.
  • FIG. 1 is a side view of a vehicle 100 equipped with lighting systems 10 and 11 according to the embodiment.
  • FIG. 2 is a front view of vehicle 100.
  • the vehicle 100 is a vehicle compatible with level 5 fully automated driving and does not have a driver's seat.
  • the shape of the vehicle 100 is not particularly limited, it is symmetrical both when viewed in the vehicle width direction and in the length direction (horizontal direction orthogonal to the vehicle width direction, hereinafter also referred to as "vehicle length direction").
  • Vehicle 100 is movable in both longitudinal directions. For convenience, one side in the vehicle length direction (left side in FIG. 1) is the front side, and the other side in the vehicle length direction (right side in FIG. 1) is the rear side.
  • the vehicle 100 includes a boarding/alighting section 102 where passengers board and alight, tires 104, and the like.
  • Components of the lighting system 10 are mainly arranged on the front side of the vehicle 100 , and components of the lighting system 11 are mainly arranged on the rear side of the vehicle 100 .
  • the control unit of the lighting systems 10 and 11 may be common. Since the functions and configurations of the lamp systems 10 and 11 are substantially the same, the lamp system 10 will be described as a representative in the following description.
  • FIG. 3 is a schematic front view showing part of the lamp system 10.
  • FIG. 4 is a cross-sectional view taken along line AA of FIG. 3.
  • FIG. 5 is a cross-sectional view taken along the line BB of FIG. 3.
  • the lighting system 10 includes a plurality of lamps 20 , 22 , 24 , 26 , a display 28 , a plurality of sound generators 30 , a plurality of drawing lamps 32 and a plurality of sensors 44 .
  • the numbers of sound generator 30, drawing lamp 32 and sensor 44 are not particularly limited, and may be one each, for example.
  • a plurality of lamps 20 , 22 , 24 , 26 , a display 28 and a plurality of sound generators 30 are accommodated within the lamp chamber 16 .
  • the lamp chamber 16 is formed by the lamp body 12 and a transparent outer cover 14 attached to the lamp body 12 so as to cover the opening of the lamp body 12 .
  • the drawing lamp 32 is provided outside the lamp chamber 16, in other words, on the vehicle body side.
  • the drawing lamp 32 may also be accommodated in the lamp chamber 16 , or some members may be provided outside the lamp chamber 16 in addition to the drawing lamp 32 or instead of the drawing lamp 32 .
  • the plurality of lamps 20, 24, 26 are arranged in a substantially rectangular shape when viewed from the front.
  • At least one (three in the illustrated example) illumination light color variable lamps 20 and at least one (three in the illustrated example) automatic The driving marker lamps 22 are arranged alternately in the vertical direction.
  • the illumination light color variable lamp 20 is configured to be able to emit either white light that should be emitted in the vehicle traveling direction or red light that should be emitted in the direction opposite to the vehicle traveling direction.
  • the white light to be emitted in the direction of travel of the vehicle is light of a color and intensity that satisfies the regulations required for ordinary headlamps.
  • the red light to be emitted in the direction opposite to the traveling direction of the vehicle is light of a color and intensity that satisfies the regulations required for normal rear lamps.
  • Such a variable irradiation light color lamp 20 can irradiate either white light or red light in front of the lamp according to the direction in which the vehicle is traveling. Suitable for
  • the automatic driving marker lamp 22 is a lamp for notifying the surroundings that the vehicle 100 is automatically driving, and constantly emits turquoise light while the vehicle 100 is driving automatically.
  • Communication lamps 24 and 26 are arranged at the positions of the upper and lower sides of a rectangle extending substantially horizontally. Communication lamps 24 and 26 are lamps for communicating with other traffic participants around the vehicle, and are lamps with variable light emission patterns.
  • Each of the communication lamps 24 and 26 includes a substrate 33, a plurality of LEDs 34 arranged on the substrate 33, and a turquoise inner lens 36 provided in front of the lighting fixture of the plurality of LEDs 34 so as to cover the plurality of LEDs 34.
  • the plurality of LEDs 34 are clearly visible in FIG. 3, in reality the plurality of LEDs 34 are only faintly visible or not visible at all due to the turquoise color of the inner lens 36 .
  • the substrate 33 and the inner lens 36 When viewed from the front, the substrate 33 and the inner lens 36 extend straight in the vehicle width direction except for both ends in the vehicle width direction, and the width is relatively narrow. While drawing, it bends in the vertical direction toward the other communication lamp, and the width widens toward the end.
  • the plurality of LEDs 34 are full-color LEDs whose lighting color can be changed. According to experiments conducted by the present inventors, although it depends on the depth of the turquoise color of the inner lens 36, when the LED 34 is lit in a dark color, the turquoise color of the inner lens 36 is somewhat affected, but basically As a matter of fact, even through the inner lens 36, the lighted color can be seen. That is, when the LEDs 34 are lit in blue, red, green, yellow, amber, and turquoise, the colors appear blue, red, green, yellow, amber, and turquoise through the inner lens 36, respectively.
  • the LED 34 when the LED 34 is not lit, the part that appears to be turquoise, which is the color of the inner lens 36, appears to shine in a color other than turquoise when the LED 34 is lit, so that the way the LED 34 lights is unexpected. can.
  • the LEDs 34 are not limited to full-color LEDs, and may be LEDs that emit light in a predetermined color.
  • the LEDs 34 may be white emitting LEDs.
  • the LED 34 when viewed through the inner lens 36, the LED 34 appears turquoise white or turquoise.
  • the inner lens 36 is not limited to turquoise color, and may be transparent or other colors.
  • the display 28 is preferably provided near the communication lamps 24,26, more preferably adjacent to the communication lamps 24,26.
  • the display 28 is positioned inside and adjacent to the plurality of lamps 20, 24, 26 arranged in a substantially rectangular shape.
  • the display 28 displays, for example, state information of the vehicle 100 . Further, the display 28 displays more detailed information that cannot be conveyed by the communication lamps 24, 26 in order to facilitate further communication with other traffic participants.
  • the display 28 preferably emits with a luminance of 1,500-2,000 cd/m 2 . In this case, the information displayed on the display 28 can be visually recognized even outdoors in the daytime when the light illuminating the display 28 is strong.
  • the display 28 is an LED display, and includes a substrate 38, a plurality of (a large number of) LEDs 40 arranged in a matrix on the substrate 38, and a plurality of LEDs 40 covered in front of the lamps of the plurality of LEDs 40. and a transparent inner lens 41 provided as follows.
  • the plurality of LEDs 40 are arranged, for example, at intervals of 5 mm.
  • the LED 40 is a full-color LED whose lighting color can be changed. That is, display 28 is a full-color display.
  • the LED 40 may be a monochromatic LED whose lighting color cannot be changed. That is, the display may be a monochromatic display.
  • the display 28 is a curved display in which a large number of LEDs 40 are arranged on a curved substrate 38, but may be a flat display in which a large number of LEDs 40 are arranged on a flat substrate.
  • the interval between the plurality of LEDs 40 may be any interval that can achieve the resolution required for information transmission, and may be determined based on knowledge, experiments, and the like.
  • the surface of the inner lens 41 may be subjected to antireflection treatment such as providing an antireflection film.
  • the display 28 is not limited to an LED display, and may be, for example, an organic EL display or a liquid crystal display.
  • the plurality of sound generators 30 are speakers, and generate sounds by vibrating the diaphragm and thus the outer cover 14 with voice coils and magnets.
  • the outer cover 14 may be formed by integrating a transparent member and an opaque member, or by two-color molding, and the sound generating device 30 is provided on the back side of the opaque member.
  • the sound generator 30 may be configured to generate sound by vibrating a component other than the outer cover 14 of the lighting system or a part of the vehicle body.
  • the sounding device 30 may be any other structure that produces sound.
  • the plurality of sound generating devices 30 are provided, for example, at regular intervals in the vehicle width direction, preferably at intervals as much as possible in the front view.
  • a plurality of sound generators 30 are configured to be individually controllable. For example, a three-dimensional sound can be produced by simultaneously producing sounds from a plurality of sound producing devices 30 relatively distant from each other.
  • the drawing lamp 32 draws a pattern on the road surface.
  • the drawing lamp 32 is preferably switchable between patterns.
  • the drawing lamp 32 is, for example, a light source such as a full-color LED whose lighting color can be changed, and a rotary translucent plate that forms a pattern based on the light from the light source. and a transparent plate.
  • a plurality of sensors 44 are arranged below the illumination light color variable lamp 20 and the automatic operation marker lamp 22 .
  • Sensors 44 are provided, for example, to detect other traffic participants.
  • the sensors 44 may be designed and selected according to the other traffic participants to be detected.
  • a camera may be selected as the sensor 44 when detecting other traffic participants whose face data is pre-registered approaching the vehicle 100 or when detecting traffic participants at an intersection.
  • the sensor 44 can communicate with the key or the smartphone, or can receive wireless signals emitted by them. device should be selected.
  • FIG. 6 is a functional block diagram of the lighting system 10.
  • the lighting system 10 further includes a control section 42 .
  • the control unit 42 may be housed inside the lamp chamber 16 or may be provided outside the lamp chamber 16 .
  • the control unit 42 can be configured by a digital processor, for example, it may be configured by a combination of a microcomputer including a CPU and a software program, or may be configured by FPGA (Field Programmable Gate Array), ASIC (Application Specified IC), etc. may
  • FPGA Field Programmable Gate Array
  • ASIC Application Specified IC
  • the control unit 42 controls the communication lamps 24 and 26, and lights the communication lamps 24 and 26 in a lighting mode according to the event when a predetermined event starts. As a result, it is possible to communicate with other traffic participants and to attract the attention of the other traffic participants.
  • the control unit 42 may light a part of the communication lamps 24 and 26 and move the lighting range. This implementation method will be described with reference to FIG.
  • the control unit 42 may move the lighting range by sequentially lighting and extinguishing the plurality of LEDs 34 . For example, when three LEDs 34 are lit simultaneously, the lighting range can be moved by switching the LEDs 34 to be lit as follows. LEDs 34 i , 34 i+1 , 34 i+2 LEDs 34i +1 , 34i +2 , 34i +3 LEDs 34i +2 , 34i +3 , 34i +4 : :
  • control unit 42 controls the display 28 to display information corresponding to the event on the display 28, and/or control the drawing lamp 32 to draw information corresponding to the event on the road surface. This allows further communication with other traffic participants.
  • the control unit 42 controls the sound generator 30 to generate a sound corresponding to the event at timing related to the display of the information corresponding to the event on the display 28 and the drawing by the drawing lamp 32 .
  • the information provided by the display 28 and drawing lamps 32 i.e. visual information
  • the information provided by the sound generator 30, i.e. auditory information is emphasized or supplemented by the information provided by the sound generator 30, i.e. auditory information. That is, it is possible to communicate more reliably with other traffic participants.
  • the predetermined event is not particularly limited, but for example, the proximity of another traffic participant to the vehicle 100 while the vehicle 100 is parked (hereinafter referred to as a proximity event), or the detection of another traffic participant when entering an intersection. (hereinafter referred to as an entry event).
  • the control unit 42 determines the start and end of the proximity event, for example, based on the distance to other traffic participants identified from an image captured by the sensor 44 as a camera (hereinafter referred to as camera image IMG). Alternatively, for example, the determination may be made based on the distance to the vehicle 100 key possessed by another traffic participant or a pre-registered smartphone.
  • the control unit 42 may determine the start and end of the entry event, for example, based on the camera image IMG.
  • FIGS. 7A to 7H are diagrams for explaining in chronological order the operation of the lighting system 10 regarding an approaching event, that is, when a person P, who is another traffic participant, approaches the parked vehicle 100.
  • the person P is a person who should be allowed to ride the vehicle 100 , for example, if the vehicle 100 is a shared car, the person who made the reservation, or, for example, the owner of the vehicle 100 .
  • the distance between the person P and the vehicle 100 is greater than the first distance (eg, 10 m).
  • the distance between the person P and the vehicle 100 is reduced to the first distance or less, and it is determined that a proximity event has occurred, so the communication lamps 24 and 26 are lit in the first lighting mode.
  • the first lighting mode is a lighting mode that produces the appearance that the vehicle 100 is searching for the person P.
  • a lump of lighting range R that shines in a first color for example, blue
  • the communication lamps 24 and 26 are used as eyes, and the eyeballs move around as if looking for the person P.
  • the distance between the person P and the vehicle 100 is reduced to a second distance (for example, 3 m) shorter than the first distance, so the communication lamps 24 and 26 are switched to the first lighting mode.
  • the lighting mode is changed to the second lighting mode.
  • the second lighting mode is a lighting mode that produces the appearance that the vehicle 100 has found a predetermined person P.
  • FIG. When the lighting mode changes from the first lighting mode to the second lighting mode, the lighting range R of the communication lamps 24 and 26 stops moving, and the color of the lighting range R changes to a second color different from the first color. (eg green).
  • the second lighting mode expresses a state in which eyes meet with the person P being searched for.
  • the sound generator 30 (not shown in FIG.
  • the 7(c)) controls the timing related to the lighting in the second lighting mode, for example, at the timing simultaneous with the start of lighting in the second lighting mode, when the vehicle 100 emits a predetermined signal.
  • a sound S1 may be emitted to indicate that the person P has been noticed.
  • the display 28 displays information expressing a sense of welcome (here, "HELLO!).
  • the sound generator 30 (not shown in FIG. 7(d)) emits a welcoming sound S2 at a timing related to the display of the welcoming information on the display 28, for example, at a timing simultaneous with the start of the display. may be issued.
  • the sound S2 may be a voice reading out the information displayed on the display 28 (here, "HELLO").
  • the communication lamps 24, 26 are lit in the third lighting mode.
  • the third lighting mode is a lighting mode that produces the appearance that the vehicle 100 is welcoming the person P.
  • the second color, or a third color different from the first and second colors, for example, the communication lamps 24 and 26 as a whole fluctuates by 1/f depending on the intensity of light. Light up with the characteristics of Thereby, the person P can be given a feeling of relaxation.
  • the display 28 displays the position of the seat where the person P should ride.
  • the sound generator 30 (not shown in FIG. 7(f)) displays information (here, "Here is your seat") displayed on the display 28 at a timing related to the display, for example, at a timing simultaneous with the start of the display.
  • a voice S3 may be emitted to read out.
  • a pattern PTN1 is drawn on the road surface to guide the passenger to the boarding/alighting section 102, for example, the boarding/alighting section 102 corresponding to the boarding position.
  • FIGS. 8A to 8F are diagrams for explaining in chronological order the operation of the lighting system 10 regarding an approaching event, that is, when a person P who is another traffic participant approaches the parked vehicle 100.
  • the person P is a person who should not be allowed to ride the vehicle 100, for example, a person who does not have a reservation if the vehicle 100 is a shared car, or a non-owner of the vehicle 100, for example.
  • the security area of the vehicle 100 is an area at a predetermined distance from the vehicle 100, and may be, for example, a circular area with a radius of 5 m centered on the vehicle 100.
  • the person P has entered the security area, in other words, the distance between the person P and the vehicle 100 has decreased to the third distance (for example, 5 m) or less, and it has been determined that a proximity event has occurred.
  • 24 is lit in the fourth lighting mode.
  • a fourth lighting mode is a lighting mode that produces a state that the person P is wary.
  • a lump of lighting range R that shines in a fourth color (for example, blue) is moved in the vehicle width direction as the person P moves.
  • the fourth lighting mode expresses a state in which the eyes follow the person P in order to give the person P the impression that they are being watched. As a result, the person P can be restrained from approaching the vehicle 100 .
  • the distance between the person P and the vehicle 100 is reduced to a fourth distance (for example, 1 m) shorter than the third distance, so the communication lamps 24 and 26 are lit in the fifth lighting mode.
  • the fifth lighting mode is a lighting mode that produces the appearance that the person P is being more cautious.
  • the entire communication lamps 24 and 26 are lit in a fourth color or a fifth color different from the fourth color.
  • the fifth lighting mode expresses the communication lamps 24 and 26 that look like eyes with their eyes wide open.
  • the display 28 is caused to display warning information.
  • This example displays a text string and an illustration indicating security activation. It should be noted that since the display is only for showing caution, it is not necessary to actually activate the security, and it is not necessary for the vehicle 100 to be equipped with such a function.
  • the sound generator 30 (not shown in FIG. 8(d)) may emit the warning sound S4 at the timing associated with the display on the display 28, for example, at the timing when the display starts.
  • the warning sound S4 may be a voice reading out the information displayed on the display 28 (here, "SECURITY ON").
  • FIG. 8(e) it is detected that the vehicle 100 has been harmed by, for example, breaking the window glass. is displayed, and the sound generator 30 emits a warning sound S5. As a result, it is expected that the person P will be further frightened and upset, and further harm will be prevented. In addition, it is possible to inform surrounding traffic participants that they are in danger.
  • the entire communication lamps 24 and 26 are flashed in a sixth color (eg, amber color) different from the fourth and fifth colors.
  • the warning information is a character string and an illustration indicating the warning.
  • the warning sound S5 is preferably alternately sounded by two sounding devices 30 relatively distant from each other. By moving the position where the sound is emitted, it is expected that the person P will be frightened and upset, and that further harm will be prevented.
  • intersections are diagrams for explaining the operation of the lighting system 10 in an approach event in chronological order.
  • the intersection is a T-junction, but it may be a crossroads.
  • the vehicle 100 is approaching an intersection.
  • Vehicle 100 is about to turn left, and communication lamps 24 and 26 are lit in the seventh lighting mode indicating the intention to turn left.
  • the seventh lighting mode for example, the left ends of the communication lamps 24 and 26 are flashed. That is, the communication lamps 24, 26 function as turn signal lamps.
  • the drawing lamp 32 also draws a pattern PTN2 indicating the intention to turn left.
  • the pattern PTN2 is, but not limited to, a dashed line extending diagonally forward left.
  • a person P is detected in front of the vehicle 100 in FIG. 9(b).
  • the vehicle 100 has stopped because the person P has been detected.
  • the person P is also stopped by noticing the vehicle 100 .
  • the communication lamps 24 and 26 are lit in an eighth lighting mode different from the seventh lighting mode in order to show that the person P has been detected (that is, the person P has been noticed).
  • the eighth lighting mode for example, the entire communication lamps 24 and 26 are lit in blue. The person P can be given a sense of security by informing him/her that he/she has noticed.
  • the lighting system 10 gives way to the person P.
  • the communication lamps 24 and 26 are lit in a ninth lighting mode different from the eighth lighting mode.
  • the communication lamps 24 and 26 are lit in the same blue color as in the eighth lighting mode, and the intensity of light is given a 1/f fluctuation characteristic.
  • the display 28 also displays information indicating the intention to give way (here, "Go ahead").
  • the drawing lamp 32 draws a pattern PTN3 representing the intention to give way.
  • the pattern PTN3 is an arrow that guides the person P.
  • the sound generator 30 makes a sound, such as a voice, indicating the intention to give way.
  • the lighting of the communication lamps 24 and 26 attracts the attention of the other traffic participant while communicating with the other traffic participant.
  • information is displayed on the display 28 or drawn on the road surface by drawing lamps 32 to facilitate further communication with the other traffic participants. Therefore, according to the present embodiment, it is possible to communicate with other traffic participants more reliably.
  • the present invention can be used for lighting systems.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Traffic Control Systems (AREA)
PCT/JP2022/041190 2021-11-11 2022-11-04 灯具システム Ceased WO2023085212A1 (ja)

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JP2021184035 2021-11-11
JP2021-184035 2021-11-11

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020104798A (ja) * 2018-12-28 2020-07-09 株式会社小糸製作所 標識灯システム
JP2020166715A (ja) * 2019-03-29 2020-10-08 パナソニックＩｐマネジメント株式会社 情報処理システム、移動体、情報処理方法、及びプログラム
JP2021154947A (ja) * 2020-03-27 2021-10-07 本田技研工業株式会社 車両におけるコミュニケーション用報知装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020104798A (ja) * 2018-12-28 2020-07-09 株式会社小糸製作所 標識灯システム
JP2020166715A (ja) * 2019-03-29 2020-10-08 パナソニックＩｐマネジメント株式会社 情報処理システム、移動体、情報処理方法、及びプログラム
JP2021154947A (ja) * 2020-03-27 2021-10-07 本田技研工業株式会社 車両におけるコミュニケーション用報知装置

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