DE10009992C2 - Filter device for an optoelectronic sensor - Google Patents

Filter device for an optoelectronic sensor

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Publication number
DE10009992C2
DE10009992C2 DE10009992A DE10009992A DE10009992C2 DE 10009992 C2 DE10009992 C2 DE 10009992C2 DE 10009992 A DE10009992 A DE 10009992A DE 10009992 A DE10009992 A DE 10009992A DE 10009992 C2 DE10009992 C2 DE 10009992C2
Authority
DE
Germany
Prior art keywords
filter device
sensor
color layer
motor vehicle
vehicle window
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 - Fee Related
Application number
DE10009992A
Other languages
German (de)
Other versions
DE10009992A1 (en
Inventor
Berthold Esders
Daniel Haase
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.)
Leopold Kostal GmbH and Co KG
Original Assignee
Leopold Kostal GmbH and Co KG
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 Leopold Kostal GmbH and Co KG filed Critical Leopold Kostal GmbH and Co KG
Priority to DE10009992A priority Critical patent/DE10009992C2/en
Publication of DE10009992A1 publication Critical patent/DE10009992A1/en
Application granted granted Critical
Publication of DE10009992C2 publication Critical patent/DE10009992C2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10247—Laminated safety glass or glazing containing decorations or patterns for aesthetic reasons
    • B32B17/10256—Laminated safety glass or glazing containing decorations or patterns for aesthetic reasons created by printing techniques
    • B32B17/10266—Laminated safety glass or glazing containing decorations or patterns for aesthetic reasons created by printing techniques on glass pane
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10339—Specific parts of the laminated safety glass or glazing being colored or tinted
    • B32B17/10348—Specific parts of the laminated safety glass or glazing being colored or tinted comprising an obscuration band
    • 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
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
    • B60Q1/1415—Dimming circuits
    • B60Q1/1423—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
    • B60S1/08—Wipers or the like, e.g. scrapers characterised by the drive electrically driven
    • B60S1/0818—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like
    • B60S1/0822—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like characterized by the arrangement or type of detection means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
    • B60S1/08—Wipers or the like, e.g. scrapers characterised by the drive electrically driven
    • B60S1/0818—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like
    • B60S1/0822—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like characterized by the arrangement or type of detection means
    • B60S1/0874—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like characterized by the arrangement or type of detection means characterized by the position of the sensor on the windshield
    • B60S1/0877—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like characterized by the arrangement or type of detection means characterized by the position of the sensor on the windshield at least part of the sensor being positioned between layers of the windshield

Description

Die vorliegende Erfindung bezieht sich auf eine Filtereinrichtung für einen einer transparenten Kraftfahrzeugscheibe zugeordneten, optoelektronischen Sensor.The present invention relates to a filter device for a a transparent motor vehicle window assigned optoelectronic Sensor.

Bei in Kraftfahrzeugen eingesetzten optoelektronischen Sensoren, in die Licht aus der Umgebung des Fahrzeugs einfallen kann oder sogar soll, ist oftmals der Einsatz einer solchen Filtereinrichtung erforderlich, um störende Fremdlichteinflüsse auszuschließen oder bestimmte spektrale Bereiche des Umgebungslichtes gezielt zu nutzen. Diese Filtereinrichtungen weisen deshalb zumeist Filterelemente auf, welche eine den Anforderungen des jeweiligen Sensors entsprechende spektrale Transmissionscharakteristik haben.In the case of optoelectronic sensors used in motor vehicles, into which light can often or should even come in from the surroundings of the vehicle the use of such a filter device required to be disruptive Exclude extraneous light influences or certain spectral ranges of the Targeted use of ambient light. These filter devices therefore have mostly filter elements that meet the requirements of each Sensor have corresponding spectral transmission characteristics.

So ist beispielsweise in der DE 44 24 454 A1 eine optoelektronische Sensoreinrichtung zur Erfassung des Benetzungsgrades einer transparenten Kraftfahrzeugscheibe mit Niederschlag offenbart, bei welcher verschiedene Ausführungsformen für eine derartige, in diesem Falle zur Vermeidung von Fremdlichteinflüssen vorgesehenen Filtereinrichtung offenbart sind, wie z. B. die Einfärbung eines einen Teil der Sensoreinrichtung bildenden Lichtleitkörpers oder die Verwendung zusätzlicher Filterelemente.For example, in DE 44 24 454 A1 is an optoelectronic Sensor device for detecting the degree of wetting of a transparent Motor vehicle window with precipitation is disclosed, in which various Embodiments for such, in this case to avoid  Foreign light influences provided filter device are disclosed, such as. B. the coloring of a part of the sensor device Lichtleitkörper or the use of additional filter elements.

Aus der EP 869 043 A1 ist es darüberhinaus bekannt, im Zusammenhang mit einer Sensoreinrichtung zur Erfassung des Benetzungs- und/oder Verschmutzungsgrades von Scheiben ein der Lichtleitung dienendes Reflexionsmittel im Raum zwischen den eine Verbundglasscheibe bildenden inneren und äußeren Scheiben anzuordnen. Das Reflexionsmittel, bei dem es sich beispielsweise um eine dünne Metallfolie oder eine bedampfte dünne Kunststoffolie handelt, ist dabei z. B. zwischen einer der Scheiben und der den Scheibenverbund vermittelnden PVB-Folie eingelegt.It is also known from EP 869 043 A1 in connection with a sensor device for detecting the wetting and / or Degree of contamination of panes used for light conduction Reflecting agent in the space between those forming a laminated glass pane to arrange inner and outer disks. The reflection medium in which it for example, a thin metal foil or an evaporated thin Plastic film is z. B. between one of the disks and the Inlaid pane composite mediated PVB film.

Die DE 195 23 262 A1 zeigt eine Einrichtung zur automatischen Steuerung von Beleuchtungseinrichtungen bei Kraftfahrzeugen, die eine Sensoreinrichtung zur Erfassung der Lichtverhältnisse in der Umgebung des Fahrzeugs aufweist. Bei dieser Sensoreinrichtung kommt ein Absorptionsfilter zum Einsatz, das Licht oberhalb einer gewissen Wellenlänge absorbiert und somit von den lichtempfindlichen Elementen fernhält, wobei das Filterelement durch ein zusätzliches Bauteil gebildet ist.DE 195 23 262 A1 shows a device for automatic control of lighting devices in motor vehicles, the one Sensor device for detecting the lighting conditions in the vicinity of the Vehicle. An absorption filter comes with this sensor device which absorbs light above a certain wavelength and thus keeps away from the photosensitive elements, the filter element is formed by an additional component.

Derartige Anordnungen haben jedoch verschiedene Nachteile. So ist der Einsatz zusätzlicher Bauteile im Sensoraufbau sowohl mit einem erhöhten Kostenaufwand als auch mit einem größeren Platzbedarf verbunden, wobei die Sichtbarkeit der Sensoreinrichtung von der Außenseite des Fahrzeugs darüberhinaus meist als störend empfunden wird.However, such arrangements have several disadvantages. That's the way it is Use of additional components in the sensor structure both with an increased Cost expenditure as well as a larger space requirement, whereby the visibility of the sensor device from the outside of the vehicle moreover, is usually perceived as disturbing.

Der vorliegenden Erfindung liegt deshalb die Aufgabe zugrunde, eine Filtereinrichtung für einen einer transparenten Kraftfahrzeugscheibe zugeordneten, optoelektronischen Sensor zu schaffen, die bei geringem Platzbedarf kostengünstig realisierbar ist, und zudem die Möglichkeit bietet, die als störend empfundene Sichtbarkeit des Sensors von der Fahrzeugaußenseite zu verringern.The present invention is therefore based on the object Filter device for a transparent motor vehicle window  associated, optoelectronic sensor to create the low Space requirements can be realized inexpensively, and also offers the possibility the perceived visibility of the sensor from the Reduce vehicle exterior.

Erfindungsgemäß wird die Aufgabe dadurch gelöst, daß jedes Filterelement durch eine im Bereich des Sensors örtlich begrenzt auf/in der Kraftfahrzeug­ scheibe angeordnete Farbschicht gebildet ist, und daß jede Farbschicht als eingebranntes Glas-Email realisiert ist.According to the invention the object is achieved in that each filter element by a localized in the area of the sensor on / in the motor vehicle disc-arranged color layer is formed, and that each color layer as baked glass enamel is realized.

Weitere besonders günstige Ausgestaltungen des erfindungsgemäßen Gegenstands sind in den Unteransprüchen angegeben und werden anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert.Further particularly favorable configurations of the invention Subject matter are specified in the subclaims and are based on of an embodiment shown in the drawing.

Dabei zeigen:Show:

Fig. 1 Eine Windschutzscheibe eines Kraftfahrzeugs, bei dem ein optischer Sensor im oberen mittleren Dachbereich vorgesehen ist Fig. 1 A windshield of a motor vehicle in which an optical sensor is provided in the upper middle roof area

Fig. 2 Einen Ausschnitt aus der in Fig. 1 dargestellten Windschutzscheibe im Querschnitt Fig. 2 shows a section of the windshield shown in Fig. 1 in cross section

Bei der in Fig. 1 dargestellten Kraftfahrzeugscheibe 1 handelt es sich um eine als Verbundglasscheibe ausgeführte Windschutzscheibe, bei der umlaufend eine schwarze Bedruckung 3 auf der Scheibeninnenseite vorhanden ist. Solche Bedruckungen werden auf Kraftfahrzeugscheiben üblicherweise im Siebdruckverfahren aufgebracht und nachfolgend als Email eingebrannt. Sie dienen im allgemeinen dazu, Klebestellen oder innere Bauteile, wie z. B. Anschlüsse von Antennen oder Scheibenheizungen vor dem Einblick von außen zu verbergen, sowie insbesondere Klebestellen vor dem ggf. zerstörend wirkenden Einfluß der im Sonnenlicht enthaltenen UV-Strahlung zu schützen. Bei der in der Zeichnung dargestellten Windschutzscheibe ist die Bedruckung 3 im oberen Scheibenbereich verbreitert um als zusätzliche Sonnenblende zu dienen. Bei dem Fahrzeug, für das die dargestellte Windschutzscheibe vorgesehen ist, kommt ein optischer Sensor zum Einsatz, der im mittleren, vorderen Dachbereich des Fahrzeugs angebracht ist. Dabei kann es sich z. B. um einen zur Scheibenwischersteuerung vorgesehenen Regensensor oder um einen Lichtsensor zur Steuerung der Fahrzeugbeleuchtung handeln. Solche Sensoren werden entweder mit transparenten Klebern zur optischen Ankopplung direkt auf der Scheibe aufgeklebt oder unmittelbar hinter dieser angebracht. Als Wirkungsfläche für diesen Sensor ist in der Bedruckung 3 ein Bereich 2 vorgesehen, in dem statt der schwarzen, lichtundurchlässigen Druckfarbe eine Druckfarbe mit einem anderen Farbton aufgebracht ist. Die durch diese andere Farbe gebildete Farbschicht hat speziell auf die Bedürfnisse des jeweiligen Sensors abgestimmte Eigenschaften, insbesondere hinsichtlich ihrer spektralen Transmissioncharakteristik. So wird z. B. bei dem genannten Regensensor ein Meßverfahren verwendet, bei dem von einer Leuchtdiode ausgesandte Strahlung im nahen infraroten Wellenlängenbereich durch die als Lichtleiter wirkende Windschutzscheibe zu einem für diese Strahlung empfindlichen Empfänger geleitet. Da die für diese Zwecke eingesetzten Empfänger üblicherweise auch in anderen Spektralbereichen eine nicht zu vernachlässigende Empfindlichkeit besitzen, ist aber jede von außen einfallende Strahlung für die Meßanordnung als störend zu bewerten. Der Einfluß solcher Fremdstrahlung kann z. B. dadurch deutlich reduziert werden, daß die im Bereich 2 vorhandene Farbschicht eine Transmissions­ charakteristik aufweist, die sich dadurch auszeichnet, daß die Durchlässigkeit für Strahlung in dem für die Messung genutzten Wellenlängenbereich maximal ist, während Strahlung anderer Wellenlängen durch die Schicht stark gedämpft wird. Bei einer Verbundglasscheibe muß die Bedruckung nicht notwendigerweise auf der dem Fahrzeuginnenraum zugewandten Scheibenoberfläche aufgebracht werden, sondern kann ganz oder teilweise im Inneren des Scheibenverbundes plaziert werden. In Fig. 2 ist eine Beispiel für eine solche Ausführung als Querschnitt insbesondere durch den Bereich 2 einer wie in Fig. 1 dargestellt ausgeführten Windschutzscheibe dargestellt. Bei dieser Scheibe, die aus einer äußeren Glasscheibe 1.1 einer inneren Glasscheibe 1.3 sowie einer zwischen diesen beiden Glasscheiben angeordneten Kunststoffolie 1.2 aufgebaut ist, sind Farbschichten (2.1 und 2.2) gegenüberliegend auf beiden Oberflächen der inneren Scheibe 1.3 des Verbundes aufgebracht. Bei einem derartigen Aufbau kann z. B. bei der Auswahl der zum Außenraum hin sichtbaren Farbschicht (2.2) größerer Wert auf das Erscheinungsbild nach außen hin gelegt werden, wobei die innere Farbschicht (2.1) dann so beschaffen sein muß, daß die beiden Farbschichten in ihrer Gesamtwirkung die gewünschte Transmissionscharakteristik erzeugen. Vorzugsweise werden die Farbschichten im Bereich 2 im gleichen Arbeitsgang mit der schwarzen Bedruckung 3 aufgebracht und gleichzeitig mit dieser eingebrannt.In the illustrated in Fig. 1 motor vehicle wheel 1 is designed as a laminated glass windshield, a black printing 3 is provided on the circumferentially on the disc inner side. Such prints are usually applied to motor vehicle windows using the screen printing process and subsequently burned in as enamel. They are generally used to glue or internal components such. B. to hide connections of antennas or window heaters from the view from the outside, and in particular to protect glue points from the possibly destructive influence of the UV radiation contained in sunlight. In the windshield shown in the drawing, the printing 3 is broadened in the upper pane area to serve as an additional sun visor. In the vehicle for which the windshield shown is intended, an optical sensor is used, which is attached in the middle, front roof area of the vehicle. It can be z. B. act as a wiper control provided rain sensor or a light sensor for controlling the vehicle lighting. Such sensors are either glued directly onto the pane with transparent adhesives for optical coupling, or attached directly behind the pane. A region 2 is provided as the effective area for this sensor in the printing 3 , in which a printing ink with a different color tone is applied instead of the black, opaque printing ink. The color layer formed by this other color has properties which are specifically tailored to the needs of the respective sensor, in particular with regard to their spectral transmission characteristics. So z. B. in the above-mentioned rain sensor uses a measuring method in which radiation emitted by a light-emitting diode in the near infrared wavelength range is passed through the windshield acting as a light guide to a receiver sensitive to this radiation. Since the receivers used for these purposes usually also have a sensitivity that cannot be neglected in other spectral ranges, any radiation incident from the outside must be assessed as disturbing for the measuring arrangement. The influence of such extraneous radiation can e.g. B. be significantly reduced by the fact that the color layer present in area 2 has a transmission characteristic, which is characterized in that the transmittance for radiation in the wavelength range used for the measurement is maximum, while radiation of other wavelengths is strongly attenuated by the layer. In the case of a laminated glass pane, the printing does not necessarily have to be applied to the pane surface facing the vehicle interior, but can be placed wholly or partially in the interior of the laminated pane. In Fig. 2 is an example of such an embodiment in cross section and in particular through the area 2 a as shown in Fig. 1 is shown windshield executed illustrated. In this pane, which is made up of an outer glass pane 1.1, an inner glass pane 1.3 and a plastic film 1.2 arranged between these two glass panes, colored layers ( 2.1 and 2.2 ) are applied opposite one another on both surfaces of the inner pane 1.3 of the composite. With such a structure, for. B. in the selection of the color layer visible to the outside ( 2.2 ), greater emphasis should be placed on the appearance towards the outside, the inner color layer ( 2.1 ) then having to be such that the two color layers produce the desired transmission characteristics in their overall effect. The color layers in area 2 are preferably applied in the same operation with the black printing 3 and simultaneously baked with the latter.

Claims (7)

1. Filtereinrichtung für einen einer transparenten Kraftfahrzeugscheibe (1) zugeordneten optoelektronischen Sensor, umfassend zumindest ein Filterelement, welches eine den Anforderungen des jeweiligen Sensors entsprechende spektrale Transmissionscharakteristik aufweist, dadurch gekennzeichnet, daß jedes Filterelement durch eine im Bereich (2) des Sensors örtlich begrenzt auf/in der Kraftfahrzeugscheibe (1) angeordnete Farbschicht (2.1, 2.2) gebildet ist und daß jede Farbschicht (2.1, 2.2) als eingebranntes Glas-Email realisiert ist.1. Filter device for an optoelectronic sensor assigned to a transparent motor vehicle window ( 1 ), comprising at least one filter element which has a spectral transmission characteristic that corresponds to the requirements of the respective sensor, characterized in that each filter element is locally limited by a region ( 2 ) of the sensor / In the motor vehicle window ( 1 ) arranged color layer ( 2.1 , 2.2 ) is formed and that each color layer ( 2.1 , 2.2 ) is realized as a baked glass enamel. 2. Filtereinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß jede Farbschicht (2.1, 2.2) vor dem Einbrennen durch ein Siebdruckverfahren aufgebracht ist.2. Filter device according to claim 1, characterized in that each color layer ( 2.1 , 2.2 ) is applied before the stoving by a screen printing process. 3. Filtereinrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß eine Farbschicht (2.1) auf der Fahrzeuginnenseite der Kraftfahrzeugscheibe (1) angeordnet ist.3. Filter device according to claim 1 or 2, characterized in that a color layer ( 2.1 ) is arranged on the inside of the vehicle window ( 1 ). 4. Filtereinrichtung nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß bei einer als Verbundglasscheibe ausgebildeten Kraftfahrzeugscheibe (1) eine Farbschicht (2.2) auf der Verbundinnenseite angeordnet ist.4. Filter device according to one of claims 1 or 2, characterized in that in the case of a motor vehicle pane designed as a laminated glass pane ( 1 ), a color layer ( 2.2 ) is arranged on the inside of the laminate. 5. Filtereinrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die zum Außenraum sichtbare Farbschicht (2.1, 2.2) so gewählt ist, daß sie den Einblick vom Fahrzeugäußeren auf den Sensor erschwert. 5. Filter device according to one of claims 1 to 4, characterized in that the visible to the outside color layer ( 2.1 , 2.2 ) is selected so that it makes it difficult to see the exterior of the vehicle on the sensor. 6. Verwendung einer Filtereinrichtung nach einem der Ansprüche 1 bis 5 bei einem zur Steuerung einer Scheibenwischeinrichtung vorgesehenen Sensor zu Erfassung des Benetzungsgrades der Kraftfahrzeugscheibe.6. Use of a filter device according to one of claims 1 to 5 provided for the control of a windshield wiper device Sensor for detecting the degree of wetting of the motor vehicle window. 7. Verwendung einer Filtereinrichtung nach einem der Ansprüche 1 bis 5 bei einem zur Steuerung von Beleuchtungseinrichtungen eines Kraftfahrzeugs vorgesehenen Sensor zur Erfassung der Lichtverhältnisse in der Fahrzeugumgebung.7. Use of a filter device according to one of claims 1 to 5 one for controlling lighting devices Motor vehicle provided sensor for detecting the lighting conditions in the vehicle environment.
DE10009992A 2000-03-01 2000-03-01 Filter device for an optoelectronic sensor Expired - Fee Related DE10009992C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE10009992A DE10009992C2 (en) 2000-03-01 2000-03-01 Filter device for an optoelectronic sensor

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DE10009992A DE10009992C2 (en) 2000-03-01 2000-03-01 Filter device for an optoelectronic sensor

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DE10009992C2 true DE10009992C2 (en) 2002-04-11

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DE10235368A1 (en) * 2002-08-02 2004-02-19 Robert Bosch Gmbh Device for automatically switching lighting devices, in particular for a motor vehicle
DE102010004443A1 (en) 2010-01-13 2011-07-14 Conti Temic microelectronic GmbH, 90411 Filter device for optical sensor assigned to transparent motor vehicle window, has filter element, which has spectral transmission characteristics corresponding to requirements of respective sensors
PL2796288T3 (en) * 2013-04-22 2018-10-31 Saint-Gobain Glass France Vehicle pane with an optical filter
CN110114214B (en) 2016-12-21 2022-07-15 旭硝子欧洲玻璃公司 Laminated glazing
DE102019112454A1 (en) * 2019-05-13 2020-11-19 Volkswagen Aktiengesellschaft Window glass for a vehicle, window sensor unit and vehicle

Citations (3)

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DE4424454A1 (en) * 1994-07-12 1996-01-18 Kostal Leopold Gmbh & Co Kg Opto-electronic sensor for detecting precipitation on vehicle windscreen
DE19523262A1 (en) * 1995-06-27 1997-01-02 Bosch Gmbh Robert Automatic switching device for automobile lights
EP0869043A1 (en) * 1997-04-04 1998-10-07 Robert Bosch Gmbh Sensing device for determining the degree of wetting and soiling of a windscreen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4424454A1 (en) * 1994-07-12 1996-01-18 Kostal Leopold Gmbh & Co Kg Opto-electronic sensor for detecting precipitation on vehicle windscreen
DE19523262A1 (en) * 1995-06-27 1997-01-02 Bosch Gmbh Robert Automatic switching device for automobile lights
EP0869043A1 (en) * 1997-04-04 1998-10-07 Robert Bosch Gmbh Sensing device for determining the degree of wetting and soiling of a windscreen

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