DE2708433A1 - Illuminated dashboard for military vehicle - uses collimator grille comprising array of opaque slats to prevent stray light - Google Patents
Illuminated dashboard for military vehicle - uses collimator grille comprising array of opaque slats to prevent stray lightInfo
- Publication number
- DE2708433A1 DE2708433A1 DE19772708433 DE2708433A DE2708433A1 DE 2708433 A1 DE2708433 A1 DE 2708433A1 DE 19772708433 DE19772708433 DE 19772708433 DE 2708433 A DE2708433 A DE 2708433A DE 2708433 A1 DE2708433 A1 DE 2708433A1
- Authority
- DE
- Germany
- Prior art keywords
- dashboard
- grille
- array
- stray light
- slats
- 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
Links
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 5
- 239000011521 glass Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000005286 illumination Methods 0.000 abstract 1
- 241000446313 Lamella Species 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 230000009291 secondary effect Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
- B60K35/50—Instruments characterised by their means of attachment to or integration in the vehicle
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Liquid Crystal (AREA)
- Instrument Panels (AREA)
Abstract
Description
Die Erfidnung betrifft ein Armaturenbrett für Kraftfahr-The invention relates to a dashboard for motor vehicles
zeuge, insbesondere für Militärkraftfahrzeuge.tools, especially for military vehicles.
Die Armaturenbretter von kraftfahrzeugen verbreiten oftmals ein insbesondere den Fahrer blendendes und störendes Licht.The dashboards of automobiles often spread a particular dazzling and annoying light for the driver.
Bei im Nachteinsatz stehen Militär-Lastkraftwagen, insbesondere bei solchen niit offenem Fahrergehäuse, stellt ein stark leuchtendes Armaturenbrett eine akute Gefahr dar, da feindliche Luftaufklarung derartige Lastkraftwegen unverzüglich orten würden.When deployed at night, military trucks, in particular, are available such with the driver's cab open, the dashboard is brightly illuminated pose an acute danger, since enemy aerial reconnaissance immediately takes such heavy haulage routes would locate.
Der Erfiundung leigt die Aufagbe zugrunde, ein derartiges dem Armaturenbrett von Kraftfahrzeugen stammendes, blendendes und verräterisches Licht zu vermeiden.The invention is based on the task, such as the dashboard Avoid glare and tell-tale light from motor vehicles.
Gelöst wird diese Aufgabe nach der Erfindung durch ein Armaturenbrett mit einer durchsichtigen Abdeckscheibe, in. welche jalousieartig angeordnete, zueinander parallel verlaufende Lamellen aus lichtundurchlässigem Werkstoff eingelassen sind, die in einer solchen Winkelstellung im Fahrzeug eingebaut sind, daß die zwischen den Lamellen in deren Richturlg austretenden Lichtstrahlen nur einen Raum bis knapp oberhalb Augenhöhe des Kraftfahrzeugfahrers ausfüllen.This object is achieved according to the invention by a dashboard with a transparent cover plate, in which blind-like arranged, to each other parallel slats made of opaque material are embedded, which are installed in such an angular position in the vehicle that the between the lamellas in the direction of the light rays exiting only a space or just under Fill in above the driver's eye level.
Zweckmäßig ist die durchsichtige Lamellenabdeckscheibe mit einer zwischen zwei Glasscheiben angeordneten Flüssigkeitskristallschicht belegt.The transparent lamellar cover plate with an between liquid crystal layer arranged on two panes of glass.
Nachfolgend wird anhand der Zeichnung eine Ausführungsform der Erfindung näher erläutert.An embodiment of the invention is described below with reference to the drawing explained in more detail.
Es zeigen Figur 1 : einen Ausschnitt einer Seitenansicht eines Fahrergehäuses und Figur 2 t eine Detailseitenansicht in vergrößertem Maßstab.FIG. 1 shows a detail of a side view of a driver's housing and FIG. 2 t shows a detail side view on an enlarged scale.
Die durchsichtige Abdeckscheibe 1 deckt das Armaturenbrett des Kraftfahrzeugs 3 ab. Es besitzt jalousieartig angeordnete, zueinander parallel verlaufende eingelassene Lamellen 2 aus lichtundurchlässigem Werkstoff. Diese lassen das vnn den Lichtquellen hinter dem Armaturenbrett ausgehende Licht nur parallel zu den Lamellen 2 in Richtung der Lichtstrahlen 4 austreten, die das Gesichtsfeld des Fahrers 5 treffen.The transparent cover panel 1 covers the dashboard of the motor vehicle 3 from. It has louvre-like, recessed, parallel to each other Slats 2 made of opaque material. These leave that from the light sources light emanating from behind the dashboard only parallel to the slats 2 in the direction of the light rays 4 exit, which hit the field of view of the driver 5.
Da die Winkelstellung alpha dieser durch die Lamellen 2 hindurchtretenden Lichtstrahlen 4 in Bezug auf das Lot L derart gewählt ist, daß die Lichtstrahlen 4 nur einen Raum bis knapp oberhalb Augenhöhe des Kraftfahrzeugefahrers 5 ausfüllen, ist hierdurch gewährleistet, daß keinerlei störende oder verräterische Lichtstrahlen die Windschutzscheibe 11 durchdringen oder nach oben aus dem entfernten Fahrerhausdach 12 austreten kann. Ein feindliches Beobachtungsflugzeug könnte also kein leuchtendes Armaturenbrett eines solchen Militärlastkraftwagens observieren und lokalisieren, da es sich in Jedem Falle in den Bereich 9 befindet, welcher durch die Lichtstrahlen 4 nicht ausgefüllt wird.Since the angular position alpha of these passing through the slats 2 Light rays 4 with respect to the solder L is chosen such that the light rays 4 only fill a space up to just above eye level of the motor vehicle driver 5, this ensures that there are no disturbing or telltale rays of light penetrate the windshield 11 or up from the removed cab roof 12 can emerge. An enemy observation aircraft could not be a shining one Observe and locate the dashboard of such a military truck, since it is in any case in the area 9, which is through the light rays 4 is not completed.
Das in Figur 1 durch den Kreis 10 eingegrenzte Teil ist in Figur 2 in vergrößertem Maßstab dargestellt und zeigt eine abgewandelte Ausführungsform, bei welcher die durchsichtige Lamellenabdeckscheibe 1, 2 durch zwei Glasscheiben 6,7 belegt ist, zwischen denen eine Flüssigkeitskristallschicht 8 angeordnet ist.The part delimited by the circle 10 in FIG. 1 is shown in FIG shown on an enlarged scale and shows a modified embodiment, in which the transparent lamella cover 1, 2 through two panes of glass 6.7 is occupied, between which a liquid crystal layer 8 is arranged.
Letztere zusätzliche Vorrichtung gestattet noch eine Vergrößerung des Winkels alpha, so daß der Fahrer 5 nicht auf direkt ins Auge auftreffende Lichtstrahlen 4 angewiesen ist, sondern deren Sekundärwirkung beobachten kann, welche von den Flüssigkeitskristallen ausgeht. Auch hierbei ergibt sich ein zwar für den Kraftfahrzeugfahrer kontrestreich erkennbares Signalbild, das jedoch so lichtschwach ist, daß es von keinem tieffliegendem Beobachtungsflugzeug erkannt werden kann.The latter additional device still allows an enlargement of the angle alpha, so that the driver 5 does not have to deal with light rays striking the eye directly 4, but whose secondary effect can be observed, which of the Runs out of liquid crystals. This also results in a situation for the motor vehicle driver Contrastingly recognizable signal image, which is so faint that it is of cannot be detected by any low-flying observation aircraft.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19772708433 DE2708433A1 (en) | 1977-02-26 | 1977-02-26 | Illuminated dashboard for military vehicle - uses collimator grille comprising array of opaque slats to prevent stray light |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19772708433 DE2708433A1 (en) | 1977-02-26 | 1977-02-26 | Illuminated dashboard for military vehicle - uses collimator grille comprising array of opaque slats to prevent stray light |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2708433A1 true DE2708433A1 (en) | 1978-08-31 |
DE2708433C2 DE2708433C2 (en) | 1987-01-29 |
Family
ID=6002257
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19772708433 Granted DE2708433A1 (en) | 1977-02-26 | 1977-02-26 | Illuminated dashboard for military vehicle - uses collimator grille comprising array of opaque slats to prevent stray light |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE2708433A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2942730A1 (en) * | 1979-10-23 | 1981-05-07 | Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart | Motor vehicle operating parameter display - has non-reflecting matt foil in front of screen printed symbols |
EP0064865A1 (en) * | 1981-05-13 | 1982-11-17 | Ford Motor Company Limited | Instrument panel |
US5132617A (en) * | 1990-05-16 | 1992-07-21 | International Business Machines Corp. | Method of measuring changes in impedance of a variable impedance load by disposing an impedance connected coil within the air gap of a magnetic core |
US5242524A (en) * | 1990-05-16 | 1993-09-07 | International Business Machines Corporation | Device for detecting an end point in polishing operations |
DE19729855A1 (en) * | 1997-07-11 | 1999-01-14 | Volkswagen Ag | Instrument panel with light sources in a motor vehicle |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2042180A1 (en) * | 1969-08-25 | 1972-02-17 | Rca Corp | Display device with a liquid crystal cell |
DE2143307A1 (en) * | 1970-10-14 | 1972-05-25 | Ford-Werke AG, 5000 Köln | Instrument panel of a motor vehicle |
DE2246415A1 (en) * | 1972-09-21 | 1974-04-04 | Siemens Ag | DEVICE FOR GLARE-FREE VEHICLE LIGHTING |
-
1977
- 1977-02-26 DE DE19772708433 patent/DE2708433A1/en active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2042180A1 (en) * | 1969-08-25 | 1972-02-17 | Rca Corp | Display device with a liquid crystal cell |
DE2143307A1 (en) * | 1970-10-14 | 1972-05-25 | Ford-Werke AG, 5000 Köln | Instrument panel of a motor vehicle |
DE2246415A1 (en) * | 1972-09-21 | 1974-04-04 | Siemens Ag | DEVICE FOR GLARE-FREE VEHICLE LIGHTING |
Non-Patent Citations (2)
Title |
---|
VDO JAA-Information 73, "Moderne Anzeigesysteme", S. 7 der Adolf Schindling GmbH, 6000 Frankfurt am Main 90 * |
Z.: Electrical Design News, 17, 1972, Nr. 13, S. 15, 16 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2942730A1 (en) * | 1979-10-23 | 1981-05-07 | Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart | Motor vehicle operating parameter display - has non-reflecting matt foil in front of screen printed symbols |
EP0064865A1 (en) * | 1981-05-13 | 1982-11-17 | Ford Motor Company Limited | Instrument panel |
US5132617A (en) * | 1990-05-16 | 1992-07-21 | International Business Machines Corp. | Method of measuring changes in impedance of a variable impedance load by disposing an impedance connected coil within the air gap of a magnetic core |
US5242524A (en) * | 1990-05-16 | 1993-09-07 | International Business Machines Corporation | Device for detecting an end point in polishing operations |
DE19729855A1 (en) * | 1997-07-11 | 1999-01-14 | Volkswagen Ag | Instrument panel with light sources in a motor vehicle |
Also Published As
Publication number | Publication date |
---|---|
DE2708433C2 (en) | 1987-01-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
D2 | Grant after examination | ||
8363 | Opposition against the patent | ||
8331 | Complete revocation |