DE9405975U1 - Ice warning guide post for public and non-public roads - Google Patents

Ice warning guide post for public and non-public roads

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Publication number
DE9405975U1
DE9405975U1 DE9405975U DE9405975U DE9405975U1 DE 9405975 U1 DE9405975 U1 DE 9405975U1 DE 9405975 U DE9405975 U DE 9405975U DE 9405975 U DE9405975 U DE 9405975U DE 9405975 U1 DE9405975 U1 DE 9405975U1
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DE
Germany
Prior art keywords
ice
warning
ice warning
guide post
public
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.)
Expired - Lifetime
Application number
DE9405975U
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German (de)
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ABELE HANS PETER
Original Assignee
ABELE HANS PETER
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 ABELE HANS PETER filed Critical ABELE HANS PETER
Priority to DE9405975U priority Critical patent/DE9405975U1/en
Publication of DE9405975U1 publication Critical patent/DE9405975U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/048—Detecting movement of traffic to be counted or controlled with provision for compensation of environmental or other condition, e.g. snow, vehicle stopped at detector
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/40—Arrangements responsive to adverse atmospheric conditions, e.g. to signal icy roads or to automatically illuminate in fog; Arrangements characterised by heating or drying means
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
    • E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
    • E01F9/615—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings illuminated
    • E01F9/617—Illuminated or wired-up posts, bollards, pillars or like upstanding bodies or structures for traffic guidance, warning or control
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01W—METEOROLOGY
    • G01W1/00—Meteorology
    • G01W1/02—Instruments for indicating weather conditions by measuring two or more variables, e.g. humidity, pressure, temperature, cloud cover or wind speed
    • 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
    • G08G1/096733—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
    • 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
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells

Landscapes

  • Atmospheric Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Power Engineering (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Environmental Sciences (AREA)
  • Road Signs Or Road Markings (AREA)

Description

Anlage zum Antrag auf Eirttrefgung *eirfes Gebrauchsmusters vom 28.03.1994Annex to the application for registration of a utility model dated 28.03.1994

AnmelderApplicant

Hans-Peter AbeleHans-Peter Abele

Ostlandstr. 64Ostlandstrasse 64

75365 Calw-Wimberg Aktenzeichen G 94 05 975.675365 Calw-Wimberg File number G 94 05 975.6

Beschreibung Seite 1Description Page 1

,Eiswarn-Leitpfosten für öffentliche und nichtöffentliche Straßen. , Ice warning posts for public and private roads.

An allen öffentlichen und teilweise nichtöffentlichen Straßen bestimmter Kategorien sind in den europäischen und anderen Staaten zu der sicheren seitlichen Abgrenzung Leitpfosten in genormten Abständen eingesetzt.Diese Leitpfosten sind mit reflektierenden richtungsanzeigenden Markierungen versehen.In European and other countries, delineators are installed at standardized intervals on all public and partially non-public roads of certain categories to ensure safe lateral demarcation. These delineators are provided with reflective directional markings.

Der im Schutzanspruch l angegebenen Erfindung liegt das Problem zugrunde, daß plötzlich auftretende Straßenglätte hauptsächlich während den Nachtstunden, auf Streckenabschnitten der Straßen und Autobahnen, den Verkehrsteilnehmer, meist zu spät,zu einer angepaßten Fahrweise veranlaßt. Dadurch kommt es jedes Jahr, vor allem in den Übergangszeiten immer wieder zu folgenschweren Verkehrsunfällen.The invention specified in claim 1 is based on the problem that suddenly occurring slippery roads, mainly during the night, on stretches of roads and motorways, causes road users to adapt their driving style, usually too late . As a result, serious traffic accidents occur every year, especially in the transition periods.

Dieses Problem wird mit den im Schutzanspruch 1 aufgeführten Merkmalen gelöst.This problem is solved with the features listed in claim 1 .

Der in dem Fußteil vom Innenraum des aus einem herkömmlichen Leitpfosten bestehenden Eiswarn-Leitpfosten positionisierte Temperatur und Feuchtigkeitssensor (2)wird von einer verlustarmen und temperaturresistenten Steuerelektronik (1), ebenfalls im Innenraum des Eiswarn-Leitpfosten eingebaut, ausgewertet. Mit der Erfindung wird erreicht, daß bei Gefahr durch Eisglätte auf bestimmten Streckenabschnitten der Straßen und Autobahnen die Steuerelektronik der Eiswarn-Leitpfosten durch den Temperatur und Feuchtigkeitssensor aktiviert wird und als Auswerte-Ergebnis die in die vorhandene reflektierende Markierung des Eiswarn-Leitpfosten integrierte Leuchteinheit (3) eine blendfreie frequente (15 see Intervall) Ausstrahlung von Lichtzeichen dem Verkehrsteilnehmer zu einem frühen Zeitpunkt der gefährdende Straßenzustand signalisiert wird und dieser damit seine Fahrweise noch entsprechend anpassen kann.The temperature and humidity sensor (2) positioned in the base of the interior of the ice warning delineator, which consists of a conventional delineator post, is evaluated by a low-loss and temperature-resistant control electronics (1), also installed in the interior of the ice warning delineator post. The invention ensures that in the event of danger from ice on certain sections of roads and motorways, the control electronics of the ice warning delineator post are activated by the temperature and humidity sensor and, as an evaluation result, the light unit (3) integrated into the existing reflective marking of the ice warning delineator post emits a glare-free, frequent (15 sec interval) light signal to the road user at an early stage of the dangerous road condition, allowing them to adapt their driving style accordingly .

Anlage zum Antrag auf Eirftra'gung 'eirfis Gebrauchsmusters vom 28.03.1994Annex to the application for registration of a utility model dated 28.03.1994

AnmelderApplicant

Hans-Peter AbeleHans-Peter Abele

Ostlandstr. 64Ostlandstrasse 64

75365 Calw-Wimberg Aktenzeichen G 94 05 975.675365 Calw-Wimberg File number G 94 05 975.6

Beschreibung Seite 2Description Page 2

Der Schutzanspruch 2 beinhaltet die Versorgung mit Energie. Die Versorgung der sehr verlustarmen Steuerelektronik und dem Sendemodul (l)wird durch einen Kleinakkumulator gewährleistet. Der Kleinakkumulator (1) wird durch einen Solarzellenmodul (4) während der Tageszeit nachgeladen. Der Solarzellenmodul wird an der der Straße abgewandten Seite des Eiswarn-Leitpfosten aufgebracht. Protection claim 2 includes the supply of energy. The supply of the very low-loss control electronics and the transmitter module (l) is ensured by a small accumulator. The small accumulator (1) is recharged by a solar cell module (4) during the day. The solar cell module is attached to the side of the ice warning guide post facing away from the road.

Bei unübersichtlichen Streckenführungen bietet die Erfindung im Schutzanspruch 3 die Möglichkeit, die Eiswarn-Leitpfosten auf bestimmten frei wählbaren Streckenabschnitten über ein korrespondierendes Verbindungskabel (6) zu verknüpfen. Dies hat den Vorteil, daß nach Aktivierung der Steuerelektronik durch den Temperatur-und Feuchtigkeitssenor bei nur einem Eiswarn-Leitpfosten alle an das korrespondierende Kabel angebundenen Eiswarn-Leitpfosten die Verkehrsteilnehmer bei unübersichtlichen und besonders Glatteis - gefährdeten Streckenabschnitten noch früher durch die frequentuell angesteuerte Leuchtanzeige in der reflektierenden Markierung blendfrei gewarnt werden können.In the case of unclear routes, the invention in claim 3 offers the possibility of linking the ice warning guide posts on certain freely selectable sections of the route via a corresponding connecting cable (6). This has the advantage that after activation of the control electronics by the temperature and humidity sensor for just one ice warning guide post, all ice warning guide posts connected to the corresponding cable can warn road users even earlier in the case of unclear and particularly black ice-prone sections of the route by the frequently activated light display in the reflective marking without glare.

Die Erfindung bietet in dem Schutzanspruch 4 zusätzlich zur optischen Warnmeldung des Eiswarn-Leitpfosten eine drahtlose Information über eine eingebaute Sendeantenne (7). Die ausgesendeten lokalen Sendezeichen mit geringer Reichweite werden in dem Sendemodul der Steuerelektronik erzeugt. Diese Sendezeichen können durch autarke bzw. Radioempfangs-Systeme empfangen, und direkt im Fahrzeug eine optische bzw. akustische Warnung des Verkehrsteilnehmers bewirken.In claim 4, the invention offers, in addition to the optical warning message from the ice warning guide post, wireless information via a built-in transmitting antenna (7). The transmitted local transmission signals with a short range are generated in the transmitting module of the control electronics. These transmission signals can be received by autonomous or radio reception systems and cause a visual or acoustic warning to the road user directly in the vehicle.

Um eine falsche Interpretation bei länger anhaltenden Frostphasen möglichst zu vermeiden wird die Aussendung der Licht-und Sendezeichen im Eiswarn-Leitpfosten nach 18 Stunden dauerndem Dauerfrost unterbunden.(Laufzeit ist variabel) Bei Erhöhen der Temperaturen über 1 Grad/plus wird die Steuerelektronik neu aktiviert.In order to avoid incorrect interpretation during prolonged periods of frost, the emission of the light and transmission signals in the ice warning guide post is stopped after 18 hours of continuous frost. (Running time is variable) If the temperature rises above 1 degree/plus, the control electronics are reactivated.

• ■ ·• ■ ·

Anlage zum Antrag auf EirftraSjung "eirfes Gebrauchsmusters vom 28.03.1994Annex to the application for registration of a utility model dated 28.03.1994

AnmelderApplicant

Hans-Peter Abele Ostlandstr. 64 75365 Calw-WimbergHans-Peter Abele Ostlandstr. 64 75365 Calw-Wimberg

Aktenzeichen G 94 05 975.6Reference number G 94 05 975.6

Beschreibung Seite 3Description Page 3

Skizze zeigt den Eiswarn-Leitpfosten mit EinbauteilenSketch shows the ice warning post with installation parts

Anmerkungannotation

(1) zeigt Einbaulage der Steuerelektronik mit(1) shows installation position of the control electronics with

Sendemodul und integriertem Kleinakkumulatur. Transmitter module and integrated small battery.

Anmerkung (2) zeigt die Einbaulage des Temperatur und Feuchtigkeitssensor in dem Fuß des Eiswarn-Leitpfosten.Note (2) shows the installation position of the temperature and humidity sensor in the base of the ice warning delineator post.

Anmerkungannotation

Anmerkungannotation

Anmerkungannotation

(3) zeigt die Einbaulage der in die reflektierende Markierung eingelassenen von der Steuerelektronik frequentuell angesteuerten Leuchteinheit.(3) shows the installation position of the lighting unit embedded in the reflective marking and frequently controlled by the control electronics.

(4) zeigt den von der Straße abgewandten Seite des Eiswarn-Leitpfosten angebrachten Solarzellenmodul für die Ladung des zur Versorgung der Steuerelektronik und Sendemodul verwendeten Kleinakkumulator. (4) shows the solar cell module mounted on the side of the ice warning guide post facing away from the road for charging the small accumulator used to supply the control electronics and transmitter module.

(5) zeigt die steckbaren Anschlüsse für die korresbondierenden 2-adrigen Verbindungskabel zu weiteren Eiswarn-Leitpfosten.(5) shows the pluggable connections for the corresbonding 2-wire connection cables to additional ice warning guide posts.

Anmerkung (6) zeigt die Verbindungen zwischen der Steuerelektronik und den pheripheren Einheiten, Temperatur und Feuchtigkeitsensor, Sendeantenne, Solarzellenmodul, Leuchteinheit und die Steck-Anschlüsse für die korresbondierenden Verbindungskabel.Note (6) shows the connections between the control electronics and the peripheral units, temperature and humidity sensor, transmitting antenna, solar cell module, lighting unit and the plug connectors for the corresponding connecting cables.

Anmerkung (7) zeigt die im Inneren des Eiswarn-Leitpfosten eingebaute S ende ant enne für die lokale Information des Verkehrsteilnehmers über die vom Sendemodul erzeugten Sendezeichen.Note (7) shows the transmitting antenna installed inside the ice warning delineator post for providing local information to road users via the transmission signals generated by the transmitting module.

Claims (4)

Anlage zum Antrag auf Eintra'gung'eines Gebrauchsmuster vom 28.03.1994 Anmelder Hans-Peter Abele Ostlandstr. 64 75365 Calw-Wimberg Aktenzeichen G 94 05 975.6 SchutzansprücheAnnex to the application for registration of a utility model dated 28.03.1994 Applicant Hans-Peter Abele Ostlandstr. 64 75365 Calw-Wimberg File number G 94 05 975.6 Protection claims 1. Eiswarn-Leitpfosten an öffentlichen und nichtöffentlichen Straßen, dadurch gekennzeichnet, daß die Auswertung der gegenwärtigen im Bereich des Eiswarn-Leitpfosten herrschenden Temperatur-und Feuchtigkeitswerte durch den Temperatur und Feuchtigkeitssensors (2), eingebaut in das Fußende im Innenraum des Eiswarn-Leitpfosten, bei Erkennen von Gefahr durch Eisglätte, die ebenso im Innenraum positionisierte Steuerelektronik mit Sendemodul (1) aktiviert.1. Ice warning guide post on public and non-public roads, characterized in that the evaluation of the current temperature and humidity values prevailing in the area of the ice warning guide post by the temperature and humidity sensor (2), installed in the foot end in the interior of the ice warning guide post, activates the control electronics with transmitter module (1) also positioned in the interior when danger from slippery ice is detected. Die von der Steuerelektronik angesteuerte in die vorhandene reflektierende Markierung integrierte Leuchteinheit (3) wird Lichtzeichen im Intervall von ca. 15 see. (variabel) und der den Lichtverhältnissen angepaßten Intensität, blendfrei zur Warnung an die Verkehrsteilnehmer ausstrahlen.The lighting unit (3) integrated into the existing reflective marking, controlled by the control electronics, will emit light signals at intervals of approx. 15 seconds (variable) and with an intensity adapted to the lighting conditions, without glare, to warn road users. 2. Die Versorgung der sehr verlustarmen Steuerelektronik und dem Sendemodul wird durch einen Kleinakkumulator (l)gewährleistet. Der Kleinakkumulator wird durch einen Solarzellenmodul (4) während der Tageszeit nachgeladen. Der Solarzellenmodul wird an der der Straße abgewandten Seite des Eiswarn-Leitpfosten aufgebracht.2. The supply of the very low-loss control electronics and the transmitter module is ensured by a small accumulator (l). The small accumulator is recharged by a solar cell module (4) during the day. The solar cell module is attached to the side of the ice warning guide post facing away from the road. 3. Die Eiswarn-Leitpfosten können in schwierigen unübersichtlichen Streckenabschnitten miteinander über ein 2-adriges korrespondierendes Verbindungskabel (5) verknüpft werden, sodaß zu einem früheren Zeitpunkt vor eisgefährdeten Streckenabschnitten über die Ausstrahlung von Lichtzeichen aller verbundenen Eiswarn-Leitpfosten gewarnt werden kann.3. The ice warning guide posts can be linked together in difficult, unclear sections of road via a 2-core corresponding connecting cable (5), so that warnings can be given at an earlier point in time about sections of road at risk of ice by emitting light signals from all connected ice warning guide posts. 4. Die optische Warnmeldung des Eiswarn-Leitpfosten bei Erkennung von Eisbildung kann zusätzlich durch die in dem parallel aktivierten Sendemodul erzeugte Sendezeichen mit geringer Reichweite über die eingebaute Sendeantenne im Eiswarn-Leitpfosten an geeignete autarke oder Radioempfangs-Systeme direkt in den Fahrzeugen der Verkehrsteilnehmer für eine optische bzw. akustische Warnung umgesetzt werden.4. The visual warning signal from the ice warning post when ice formation is detected can also be implemented by the short-range transmission signal generated in the parallel activated transmission module via the built-in transmission antenna in the ice warning post to suitable autonomous or radio reception systems directly in the road users' vehicles for a visual or acoustic warning.
DE9405975U 1994-04-09 1994-04-09 Ice warning guide post for public and non-public roads Expired - Lifetime DE9405975U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE9405975U DE9405975U1 (en) 1994-04-09 1994-04-09 Ice warning guide post for public and non-public roads

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE9405975U DE9405975U1 (en) 1994-04-09 1994-04-09 Ice warning guide post for public and non-public roads

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DE9405975U1 true DE9405975U1 (en) 1994-07-07

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005056926A1 (en) * 2003-12-15 2005-06-23 Pl Brake A road information display device, a road surveillance system comprising such device and a compact electrical power generator therefore

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US3277595A (en) * 1964-01-02 1966-10-11 Robert M Johnson Thermally controlled drive mechanism
DE1957630A1 (en) * 1969-11-15 1971-07-15 Karlheinz Froehlich Warning system when there is a risk of black ice on motorway and road bridges, as well as dangerous road cuts
US3596264A (en) * 1969-03-13 1971-07-27 Holley Carburetor Co Multichannel frost ice and snow detecting device
DE2010851A1 (en) * 1970-03-07 1971-09-30 Mahlo, Hans P , 8500 Nürnberg Black ice warning sign
DE2019311A1 (en) * 1970-04-22 1971-11-04 Rademacher W Light column with hazard warning light
DE2615797A1 (en) * 1976-04-10 1977-10-27 Vdo Schindling Automatic radio transmission of road conditions to vehicles - uses encoded transmissions from local transmitters to activate corresponding displays in the passing vehicles
DE2710155A1 (en) * 1977-03-09 1978-09-14 Heinz Piastowski Kerbside road surface ice warning device - uses several probes monitoring different physical parameters such as ground and air temp. and humidity
DE2715081B2 (en) * 1977-04-04 1979-02-01 Neumann Elektronik Gmbh, 4330 Muelheim Device to warn drivers
DE2940205A1 (en) * 1979-10-04 1981-04-16 Karl-Gottfried Dr. 7000 Stuttgart Reinsch Roadside surface ice warning display - uses visual indicator changing in response to ground temp. reaching freezing point
DE3148938A1 (en) * 1981-12-10 1983-06-23 Rettungsdienst Stiftung Björn Steiger e.V., 7057 Winnenden Black ice warning device on roads
FR2519358A1 (en) * 1982-01-05 1983-07-08 Anglade Rene Illuminated icy road condition panel with ice detector - has temp. sensor controlling illumination and protected in housing to permit alternative use in summer
FR2521609A1 (en) * 1982-02-12 1983-08-19 Patrice Ficheux Warning sign esp. for roads - comprises message panel which bears against translucent window to effect display
GB2118228A (en) * 1982-03-13 1983-10-26 Edward Raymond Stevens Hazard warning device
DE2921392C2 (en) * 1979-05-23 1983-10-27 Manfred 1000 Berlin Krüger Battery operated beacon
GB2119835A (en) * 1982-04-21 1983-11-23 Carl Patrick Harrell Ice hazard warning sign
EP0305905A2 (en) * 1987-08-29 1989-03-08 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Traffic information system
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DE9115035U1 (en) * 1991-12-04 1992-06-25 ECO-Communication Electronics W. Oelers KG, 2050 Hamburg Illuminated traffic sign
DE4119010A1 (en) * 1991-06-08 1992-12-10 Deutsche Forsch Luft Raumfahrt Guide post for road marking with passive IR beam from ground heat - comprises heat conducting baseplate emitting radiation up hollow post to angled mirror throwing horizontal beam, collimated to sensor on vehicle with PVC window
DE4127015A1 (en) * 1991-08-16 1993-04-29 Horizont Geraetewerk SOLAR POWERED WARNING LAMP

Patent Citations (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2849701A (en) * 1954-04-23 1958-08-26 Tele Dynamics Inc Highway condition indicating system
US3277595A (en) * 1964-01-02 1966-10-11 Robert M Johnson Thermally controlled drive mechanism
US3596264A (en) * 1969-03-13 1971-07-27 Holley Carburetor Co Multichannel frost ice and snow detecting device
DE1957630A1 (en) * 1969-11-15 1971-07-15 Karlheinz Froehlich Warning system when there is a risk of black ice on motorway and road bridges, as well as dangerous road cuts
DE2010851A1 (en) * 1970-03-07 1971-09-30 Mahlo, Hans P , 8500 Nürnberg Black ice warning sign
DE2019311A1 (en) * 1970-04-22 1971-11-04 Rademacher W Light column with hazard warning light
DE2615797A1 (en) * 1976-04-10 1977-10-27 Vdo Schindling Automatic radio transmission of road conditions to vehicles - uses encoded transmissions from local transmitters to activate corresponding displays in the passing vehicles
DE2710155A1 (en) * 1977-03-09 1978-09-14 Heinz Piastowski Kerbside road surface ice warning device - uses several probes monitoring different physical parameters such as ground and air temp. and humidity
DE2715081B2 (en) * 1977-04-04 1979-02-01 Neumann Elektronik Gmbh, 4330 Muelheim Device to warn drivers
DE2921392C2 (en) * 1979-05-23 1983-10-27 Manfred 1000 Berlin Krüger Battery operated beacon
DE2940205A1 (en) * 1979-10-04 1981-04-16 Karl-Gottfried Dr. 7000 Stuttgart Reinsch Roadside surface ice warning display - uses visual indicator changing in response to ground temp. reaching freezing point
DE3148938A1 (en) * 1981-12-10 1983-06-23 Rettungsdienst Stiftung Björn Steiger e.V., 7057 Winnenden Black ice warning device on roads
FR2519358A1 (en) * 1982-01-05 1983-07-08 Anglade Rene Illuminated icy road condition panel with ice detector - has temp. sensor controlling illumination and protected in housing to permit alternative use in summer
FR2521609A1 (en) * 1982-02-12 1983-08-19 Patrice Ficheux Warning sign esp. for roads - comprises message panel which bears against translucent window to effect display
GB2118228A (en) * 1982-03-13 1983-10-26 Edward Raymond Stevens Hazard warning device
GB2119835A (en) * 1982-04-21 1983-11-23 Carl Patrick Harrell Ice hazard warning sign
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