EP0299386A2 - Bande préfabriquée et continue pour marquer les routes, avec fonction optique et électromagnétique - Google Patents

Bande préfabriquée et continue pour marquer les routes, avec fonction optique et électromagnétique Download PDF

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Publication number
EP0299386A2
EP0299386A2 EP88110959A EP88110959A EP0299386A2 EP 0299386 A2 EP0299386 A2 EP 0299386A2 EP 88110959 A EP88110959 A EP 88110959A EP 88110959 A EP88110959 A EP 88110959A EP 0299386 A2 EP0299386 A2 EP 0299386A2
Authority
EP
European Patent Office
Prior art keywords
tape
layer
road
road surface
rable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP88110959A
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German (de)
English (en)
Other versions
EP0299386A3 (en
EP0299386B1 (fr
Inventor
Ludwig Dr. Eigenmann
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.)
Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0299386A2 publication Critical patent/EP0299386A2/fr
Publication of EP0299386A3 publication Critical patent/EP0299386A3/en
Application granted granted Critical
Publication of EP0299386B1 publication Critical patent/EP0299386B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096708—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control
    • G08G1/096716—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control where the received information does not generate an automatic action on the vehicle control
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096708—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control
    • G08G1/096725—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control where the received information generates an automatic action on the vehicle control
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096733—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place
    • G08G1/096758—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place where no selection takes place on the transmitted or the received information
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
    • G08G1/096783—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is a roadside individual element

Definitions

  • the continuous horizontal road-marking tape technology is reaching by the present application a further important improvement.
  • Applicant starting almost twenty years ago, has developed layered road-marking tapes, and later on the use of electric energy and of electromagnetic energy in the technique of the road-marking has been developed.
  • the denomination "Road marking tape” is today very vague, because the informations supplied by the tape include not only optical irradiations, but also electromagnetic irradia­tions, that one has to suitably transform.
  • the tape has to include retroreflective elements, light emit­ting diodes (LEDs), solar cells, storage batteries, and the tape has to be in position to exploit only that solar energy which is in­cident on the tape.
  • LEDs light emit­ting diodes
  • the tape has to be in position to exploit only that solar energy which is in­cident on the tape.
  • the upper layer 2 is a wear resistant film made of polyurethane resin, which is since more years securing the best results.
  • Upper layer 2 is pigmented in order to ensure the best visibility by day; re­troreflecting components 14 are applied upon it, and at 16 there is represented one of the transparent protrusions, in which there are placed light emitting diodes (LEDs), solar cells, storage bat­teries and the like.
  • LEDs light emitting diodes
  • the following intermediate layer 4 consists of a non-woven fabric, strongly impregnated with a polyurethane prepolymer, which provi­des the mechanical properties of the tape.
  • the third layer 6 includes antennas and reflectors 18, which are dipped in adhesive, schematically shown in fig. 1, and which will be described in detail later on.
  • the fourth layer 8 consists of the circuits connecting the elec­tric and the electromagnetic components, which circuits are concre­tized by conductive stripes 20, dipped in adhesive.
  • the fifth layer 10 is the EMI (electromagnetic interference) shiel­ding layer, which has the function of protecting the electromagne­tic elements from disturbing interferences coming from the ground.
  • Layer 10 consists of a dispersion of conductive particles, or of a metallization, schematically shown at 22. Good results have been obtained by using high percentage nickel dispersions in acrilic prepolymer, like the nickel dispersions manufactured by the firm Metalgalvano Sozzi of Rovello Porro (Italy) or the acrilic coating 3M110 manufactured by Minnesota Mining & Manufacturing Co.
  • the sixth layer 12 is consisting of a strong, extensible webb, strongly impregnated by an adhesive, which has a good adhesion to the road surface, but at the same ti­me allows removal of the tape without damaging it, said layer being illustrated in plane view by 24.
  • gigaherz reflector 6 shown in Figs. 1 and 2, which reflects back electromagnetic energy irra­diated by the vehicle, and is located on the low layers of the ta­pe, is fundamental for the control of the speed of the vehicle.
  • Gigaherz reflector 6 is concretized by multiple conductive stripes 26 dipped in adhesive, illustrated in Fig. 2, which stripes are positioned at an angular direction - usually 15° - related to the direction of vehicle traffic. This angular feature assures good reception of the reflected waves at the side of the tape, within a sufficiently wide lateral lane.
  • reflector 6 consists of several groups of e­quidistant metallic stripes 26, adhering to the tape, for example metal foils of 1 mm width, every group being marked by a different distance between the stripes: e.g, in fig. 2 there are shown two groups, 28 and 30, wherein the metal foils have a different spaced apart distance.
  • Gigaherz reflector 6 shows a diffuse reflection behaviour in eleva­tion, and since the position of the vehicle on the road may vary within a certain space of several meters perpendicularly to the di­rection of the traffic, the reflection maxima should be as close as possible within the reflection diagram.
  • Transmitter 32 on the vehicle consists of a frequency stability o­scillator, which is connected by means of a coupling 34 to a horn antenna 33, which has an angle of 45 with respect of the road sur­face, and irradiates towards the reflector 36, which here is only schematically shown.
  • the energy returning from reflector 36 is received by another horn antenna 35, also placed on the vehicle, and is conducted to mixer 38, from which a frequency f D comes out, which is the difference between the frequency emitted by antenna 33 and the one received by antenna 35.
  • a frequency f D comes out
  • the signal, from mixer 38 is conducted to a high-pass filter and 80 dB amplifier 40, then to low-pass filter 42, and finally to a comparator and pulse former 44.
  • the first method is based on the impulses originating from the metal stripes 26, upon sweeping of the transmitted waves on the tape, the waves frequency, and only refers to vehicl- speed.
  • the impulses build an impulse train, such that the threshold of the comparator 44 is overpassed and an indicator is activated.
  • Comparator 44 of fig. 4 includes a generator of a tuning note, fitted for a selected speed, which provides impulses of a certain form and frequency. When the re­fleczed waves and the impulses provided for a selected speed are overlapping, an indicator on the vehicle is activated. This descri­bed technology is very well known.
  • the composite road marking tape which is the object of the present invention includes a small radiotransmitter 52 (fig. 5) operating at a frequency in the megahertz field, and which irradiates messages recorded in EPROM.
  • Said trans­mitter 52 which has a very low consumption of energy, for example 8 mW, is fed by small storage batteries which in their turn are fed by solar cells placed on the tape, as it was specified concerning the transparent protrusions 16 of fig. 1.
  • a mode is shown which warns the vehicle driver as to the presence of ice. It utilizes a Negative Temperature Control - NTC 46, consisting of sensor 48 and of calibration device 50; the EPROM 51 consists of an integrator 47, memory 49, and amplifier 53; the transmitter 52 has a dipole-antenna 54.
  • these devices When the temperature falls below a pre-set limit, these devices transmit a recorded message.
  • fig. 6 there is shown how a traffic jam may be signaled, and how indicators may be activated in order to discharge the traffic jam.
  • Tape 56 is a conventional marking tape, and tape 62 is an emer­gency tape.
  • tape 56 there are shown the transparent protru­sions 60, in which LEDs, solar cells, storage batteries are pla­ced, as within those transparent protrusions 16 of fig. 1.
  • compressible por­tions 61 in which a microswitch is placed. Concerning such com­pressible tape, see applicant's European Patent No. 0100524 and US Patent No. 4,685,824.
  • a vehicle driver who takes the initiati­ve, or a traffic policeman activates the microswitch by placing his car on the compressible portion 61. This activates an alarm system like the one which has been aforedescribed for signalling the presence of ice.
  • a message "traffic jam" is transmitted, on the other hand the tape 62 is activated; on said tape 62 there are provided transversal pulsing lights 66, of red color, and longitudinally aligned pulsing lights 64, of green co­lor.
  • Lights 64 guide the traffic towards a direction which is op­posite to the normal direction, towards an exit. The pulsing of the lights 64 may be very rapid.
  • the traffic in the opposite direction may take place on the overta­king lane or on the mergency lane, as possible in the particular situation.
  • a further entry of vehicles in the concerned portion of the highway must be prevented, and to this purpose at the beginning of said traffic jam portion a red light (not illus­trated) will be lighted.
  • a couple or more couples of sensors are placed at the beginning of the concerned traffic jam portion, so that if a car enters in the forbidden direction, not­withstanding the red traffic light, its plate will be identified by a camera.
  • Tje circuits which are required in order to concretize what descri­bed above pertain to a known technique.
  • the traffic jam road-marking tape can also be useful for guiding traffic in the direction of the city center, or in other direc­tions.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Road Signs Or Road Markings (AREA)
  • Traffic Control Systems (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
EP19880110959 1987-07-14 1988-07-08 Bande préfabriquée et continue pour marquer les routes, avec fonction optique et électromagnétique Expired - Lifetime EP0299386B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2689/87 1987-07-14
CH268987A CH671253A5 (fr) 1987-07-14 1987-07-14

Publications (3)

Publication Number Publication Date
EP0299386A2 true EP0299386A2 (fr) 1989-01-18
EP0299386A3 EP0299386A3 (en) 1989-08-02
EP0299386B1 EP0299386B1 (fr) 1994-10-26

Family

ID=4239363

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19880110959 Expired - Lifetime EP0299386B1 (fr) 1987-07-14 1988-07-08 Bande préfabriquée et continue pour marquer les routes, avec fonction optique et électromagnétique

Country Status (5)

Country Link
EP (1) EP0299386B1 (fr)
JP (1) JPH0792880B2 (fr)
CA (1) CA1288497C (fr)
CH (1) CH671253A5 (fr)
DE (1) DE3851920T2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0745249A1 (fr) * 1994-02-14 1996-12-04 Minnesota Mining And Manufacturing Company Afficheur electronique retroreflechissant integre
EP0853303A1 (fr) * 1997-01-07 1998-07-15 Mitsubishi Heavy Industries, Ltd. Procédé de commande de véhicule et utilisation dans un système de conduite automatique
US7077600B1 (en) * 2005-09-15 2006-07-18 Whinery Christopher S Multiple sensory road marking tape
WO2020017974A1 (fr) 2018-07-20 2020-01-23 Veluvine B.V. Marquages routiers comprenant des composants fonctionnels

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004045585A1 (de) * 2004-09-17 2006-04-06 Vehico Gmbh Einrichtung und Verfahren zur Gewinnung von Meßwerten zur Ermittlung von fahrdynamischen Größen von Fahrzeugen
CN107784844B (zh) * 2016-08-31 2021-05-14 百度在线网络技术（北京）有限公司 智能交通信号灯系统及其道路环境检测方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2050769A (en) * 1979-05-18 1981-01-07 Eigenmann Ludwig Road traffic signalling arrangement
EP0100524A1 (fr) * 1982-07-27 1984-02-15 Ludwig Dr. Eigenmann Matériau pour la signalisation routière horizontale, procédé et dispositif pour la pose de ce matériau de signalisation sur la surface routière
DE3307123A1 (de) * 1983-03-01 1984-09-06 Telefunken electronic GmbH, 6000 Frankfurt Autonomes orientierungssystem fuer landfahrzeuge
DE3509965A1 (de) * 1985-03-20 1986-09-25 ANT Nachrichtentechnik GmbH, 7150 Backnang Verfahren zur einstellung von verkehrsfunk-empfaengern

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2050769A (en) * 1979-05-18 1981-01-07 Eigenmann Ludwig Road traffic signalling arrangement
EP0100524A1 (fr) * 1982-07-27 1984-02-15 Ludwig Dr. Eigenmann Matériau pour la signalisation routière horizontale, procédé et dispositif pour la pose de ce matériau de signalisation sur la surface routière
DE3307123A1 (de) * 1983-03-01 1984-09-06 Telefunken electronic GmbH, 6000 Frankfurt Autonomes orientierungssystem fuer landfahrzeuge
DE3509965A1 (de) * 1985-03-20 1986-09-25 ANT Nachrichtentechnik GmbH, 7150 Backnang Verfahren zur einstellung von verkehrsfunk-empfaengern

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0745249A1 (fr) * 1994-02-14 1996-12-04 Minnesota Mining And Manufacturing Company Afficheur electronique retroreflechissant integre
US5621571A (en) * 1994-02-14 1997-04-15 Minnesota Mining And Manufacturing Company Integrated retroreflective electronic display
EP0853303A1 (fr) * 1997-01-07 1998-07-15 Mitsubishi Heavy Industries, Ltd. Procédé de commande de véhicule et utilisation dans un système de conduite automatique
US6122573A (en) * 1997-01-07 2000-09-19 Mitsubishi Heavy Industries, Ltd. Vehicle control method and system for use in automatic driving system
US7077600B1 (en) * 2005-09-15 2006-07-18 Whinery Christopher S Multiple sensory road marking tape
WO2020017974A1 (fr) 2018-07-20 2020-01-23 Veluvine B.V. Marquages routiers comprenant des composants fonctionnels

Also Published As

Publication number Publication date
CH671253A5 (fr) 1989-08-15
JPH0792880B2 (ja) 1995-10-09
DE3851920D1 (de) 1994-12-01
EP0299386A3 (en) 1989-08-02
CA1288497C (fr) 1991-09-03
JPS6429999A (en) 1989-01-31
DE3851920T2 (de) 1995-04-13
EP0299386B1 (fr) 1994-10-26

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