专利摘要:
The invention relates to an LED symbol display with color mixing collection optics, especially for safety-related applications. The color-mixing property of the light source is used on the one hand to completely hide the failure of one LED and to apply the corresponding power to the remaining LEDs if necessary, on the other hand to implement symbols in several standard colors in a common design. As a light source high-power LEDs (R, G) are used with a flat light emission and separate interconnection, and electrical and / or optical monitoring in a compact arrangement, the light mixed in the optical fiber rod (2) and after the flat exit surface (4) in a Fiber optic bundle (6) or a Lichtaufteilendes element is passed, there divided into individual light guide arms and their exit surfaces (8a, 8b ...) is directed to individual, forming a symbol collecting lenses (5) whose focal points (F) in the respective exit surfaces lie. The light distribution can be further adapted to the field of application by reflecting surfaces and / or a structure (S) on the converging lens (5).
公开号:AT516296A1
申请号:T50667/2014
申请日:2014-09-22
公开日:2016-04-15
发明作者:
申请人:Swarco Futurit Verkehrssignalsysteme Ges M B H;
IPC主号:
专利说明:

A ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ LkitMisr
The Amnekkmg relates to an optics with EElM.-ichtquelie and Lichtleiwr, ervlsprechendWO2012 / 068603A! (Swarco).
Often, in this case, they are not well suited to the collection of symbols at Sircine, but symbols are made up of individual dots, which according to their arrangement are known to Zilfem. Buelsmbeu © der elnfeehegraSsofte Darstellurigerg ety% Form arrows, crosses, bars or lines. In the above application, the use as redundant electrostatic cells with multiple I, ID " " birch pickers, which can be mapped to fine other mugs at an LBD level, with no detectable change in the leakage radiation, has also been described as splitting colored LED crystals Without recognizable Verderderimg in the Lichiabstrahlung Mn Md ago be geschähet. These features of the above application are now intended to be used for symboids in sedan home, railroad, sailing, air or road transport. Hereby, it may be possible to enjoy a color change. By being able to render symbols in m & hx & xm colors through the fire-extinguishing light source, the lightwave can be consumed.
Under SleberbeiHaUsstättong, you feed a redundant system, which can be: Thus, the failure of any component under any fault will cause the system to fail. If a component fails, the puncture must be sent to: lfes! Kefe.alfea > whereby the presence of a feeder is reported so that the system can be quickly repaired; in a simpler variant, the system must be at each. Errors get into a stable state of health b / w. so that verbs-to-nonspecific symbols take effect.
Hitherto, symbols have been transposed by means of the following methods: those which show the same ligament over the divisor or umbilical, the anus of which leads to the symbolic egg-forming membrane of the matrix plate, and every opthalmic field passes through the first lamp in the absence of Siromftuss in eldkirissheriKommlfer to switch to the second lamp. If a warning signal is activated and only one lamp is provided, the symbol shown after the lamp has been blown out is certainly kept out of detection by way of a current of current! »&Amp; For harsh
Surely, every spnbo is sure! Only by means of: a single circle of light to operate, because the division into several circles of light in the FgMerftdi could lead to a distortion of the symbol
The technical implications of the LEDs have led to the fact that the cost-effectiveness of the light-emitting cables previously converted to light-emitting equipment has been rapidly redeveloped to retail with one LEO per optic. For the first time, it has also been possible to produce grabsky devices, the displays of which are represented by adhesive construction and modular construction; can be programmed. Admittedly, the "low-noise" rules apply; so that these devices are suitable for you to inspect relevant bypasses.
Today, light guides are used only for transmission. There are only a few hilly bordered areas left, where it is sensible to use LliD light fountains together. Lsi * bdspiclswcne in endoscopes «or in the Medizmmchmk wwin of US 2014 / 126233AI (Sunontic) described. In it, however, smr lights a single-high-power LED right there (ausetuschbaxes) Liebtleitsrbündek
The manufacturers of symbolic displays for critical applications are here in the dilemma that they are not theirs. "With the particularly long-lived concept of high voltage, they are highly prone to safety, to monitor their LEDs in order to guarantee a tremendous degree of sympathy. This would require special electronic controllers, which, together with the highest degree of complexity, cause immense costs, because the existing, older "system controls are apt to be compatible with the avenue of the rear and would also have to be hired. The electro-magnetic imitation of an incandescent lamp method is, however, also very complex and does not offer the technical possibilities of an electronic connection: the Geilte, for example via escort, such as the steering generators of the newest Generadone "already planned, for example with ground-based: Approaching, Healing Reconciliation, Bursting Fixture , Functional monitoring and logging of leg bouts and disorders,
Even if such developments are made, is the: StömngsanDihgkeii of such complex systems because of the use of a Variety of: single component anc 'relatively high and contrary to the idea of Funktioncsicherhoit, so far vorgcsieilicSysteme are not conclusive as a system, the future erkeermar. The arrangement of individual LEDs in each optics is met with great variety of sycamore rigs, since the miraculous sacredness of the cornices! not with stamenT, lDs are achievable. Öü sintaw-IMwer-LEDs 2¾ lbssekWMt, ulietai Big ^ Povver LEDS need to be powered with very little power outside of their DC output cables. So-called MiddMwcn LEDs are not yet available in all standard colors. On the other hand, it would be possible to use the term "light spotlight" in a wide range, but at the same time, as a matter of fact. Added to this is the inherent inwardness of a complete Svptaöarstelkta, for one or more MwgtataTdolh points are: only at I..ED4Jehtpnnkieü: mbgueh,
Therefore, ladies and gentlemen, too, thought to be aware of the long-lasting nature of the LED network and LED lamps. The production of femdom is still a problem, but there are problems with it, as well as the requisite bundling of information on the market The result is that both single as well as multi-LED light sources do not have a safe electrical mode yet. In any case, newer innovations would be more likely to develop.
One. Optical SigtmlisierngsysDm requires its sufficient brightness only relatively few Biz- Power-! EDS; which can be monitored with much less Λ10 wall and uncirculating, than about the: many L-chtpunhte of a symbol. It would therefore be a common LED replica in a significant amount of symbols; if it falls off, the LED current for the fonktinnsfoehdgsn LEDs could be raised to keep the brightness of the signaling constant, without any equivalency of individual hatch points.
Unfortunately it comes in known optical systems by failure of a LE !;): But to the image of. Donlden stiffeners and grain deposits in the my distribution, sodasa nit dieliclSchnischexi specifications are no longer erhilb. These phenomena are all the more conspicuous, because the method of light scattering for the purpose of composition is not an option. · A spatially curved arrangement of. LBÖfi with Elnzeiopoken, which overlap her licht light on a lichtieiterbilndei, is technically very complicated mH also llehtmchnischnicM bcsonders efficient, apart from there are different bright areas ätii the LidvUeueremtntu their compensation expensive Lichilelterhündc! mixed with [sic] tasetn: requires.
So far, no optical systems have been known that could achieve equal luminance of disparate LEDs without loss of light and cradle loss and without significant expense. The aforementioned W02C112 / Q6SÖI2AI now reveals a solution to this, but treats only small optics for individual pixels of the WChCelevel using cbenihUs very small and high-visibility MidböoiorTJ13Sj; soft only in the associated optics, but due to the high optical efficiency of the system completely auszuschichen,
The object of the invention is, therefore, to develop a mixing-out light source with Blgh-Power LBDs and Likfopunk Coptikeo, with which the LEI symbol symbols show the light conductor technology converter. This is solved according to the invention in such a way that immediately before the BighWowwAEDs with In close packing, there is arranged a Licktleiierstab with evenly spaced, rectangular, triangular or hexagonal Lleht-limrittsillche and "beasölchern cross section, which gradually widened conically and a flat IdehnAustrstridsiiähehe perpendicular to an axis to which the LichteintriLsiiähehe a Lldüauireiknden element imeealable : the light streaming in over a multitude of flashes of light lightens up and: unite! separately each one of the AustriUsdächn wdicriehcL which is in the focus of a previously mounted in a MsÄpMe Ssnmmiiinse,
On the one hand, if one or more LEDs fail, the remaining intact LEDs are energized higher; on the other hand, LEDs are switched on in different illumination modes, thus providing both an auxiliary and other symbol in different ways is possible.
Slaves have been designed according to their needs: Standardized Lifts & Drops. These are not produced by IfiBa mixing, but must already use LEDs in each Signal Drbe
Mixture obtained under all operating conditions and Störföilen constant to e'n fm Äbarw P ^ Mern, whose solution the
But if it does, it undermines the law: it is a limiting factor and does not bring any benefit whatsoever. Mhfcgi «of which one-monkey execution with; LEDs in BÖB-Fazben technically raogecw
The aetauMkmle element is, in most cases, a feeble dwarf cattle leash consisting of a variety of non-glass fibers, which can be filmed particularly well-curves and even a few single-fiber fibers have only ice-impact effect on the fertilizer meditation and the heat distribution. the affected bmzeloph.k build. However, a.ueh lower cost, Tedelsüblkle Elnzeladeth ausbanspamnie®., Elastic plastic can be provided, but here in the case of Anernbrruehes the associated Lichtggoki velmernd ans why tight bends of the arms, high Temperähtmn and vibrations m are avoided. The arms are; in both cases there is a common entrance of the light into the light! eberbüncleis zusammeageMut. For special sizes and larger units, a one-of-a-kind handling unit is also possible as an alternative.
The invention will now be described with reference to the drawings, in which: Fig. 1 shows a partial section and a comparative view of the invention, the Ibg. 2 a Sdheissfisefeen longitudinal section. through the buffing and the big, 3 an aiisMu-aag-viaiaate int Lago,
FIG. 1 shows: the invention partly in the QpersehnffL partly in the illustrative form. The logo 1 carries several colors of equal or different color% G, here represented in so-called chip LED construction, with each LEDchamp at one, only slightly larger, see well wfcseleiiendsn carrier sm Kemmik sits laid by a level potting before environmental feeds and nwehanizehe Damage: protected wihiSuch pwh Chlpff Jfps mentioned LEDs can be thawed close to dense and have a Dwühehe energy and LlekidichM as directly on our circuit board in GCiB «(Chipma-BoardA-Tecimik patched and just encapsulated LED chips.) The COB construction as in The effect of the identical licencite cultivation is, above all, more cost-effective in the case of large quantities.Preferably, the luminous coating I is produced from waste ceramic powder in order to disperse and to disperse the very concentrated heat of contact produced by the product.
However, the two differences in each LEp CMps R, G are that traces on the source board 1 are driven out individually for arbitrary interconnections, including electrical parameter monitoring and vision requirements, which is best achieved with twelve LED orders. These total contents of the complete feeding string can also be arranged in whole or in part on the sheet I.
The flat casting ezkübi that one. I.ichikuerslab 2 with its planar unirritating surface 3umitelbar is placed in front of the LBD-Ghlgs R, 6, wherein its Blntrlttsfläche 3 is only slightly larger than the outline of the LKP-Avuminuog, and still the grüble part of the generated light is eliminated. Because of the rectangular LEDs usually square-well chips, a dense array is usually also rectangular, as is the helical radiator. But according to the invention it may be square, triangular, or hexagonal, thus values are: to give rise to the desired light,
The information panel 3 has a tolerance-related safety distance to the LED gypsies H.tu whose surfaces can not be touched, whereby light rays which miss the entrance surface 3 or are superficially reflected emerge laterally. These unusable marginal states may be directed by means of unillustrated photoconductive elemental antennas and to optical sensors for monitoring the radioia.
The outer surface of the optical fiber rod 2 consists of flat highly polished surfaces for total reflection of the light and congruently widens conically toward a flat surface 4 perpendicular to its longitudinal axis, The drawing shows the course of some light rays r, starting from the LED-Uhip R. The conical expansion leads in known ' The manner of collimating the radiated light rays r within the light guide 2, which also affects the sweep of the light after its exit.
The adjacent bundle of fibers, but also every other fixed light-guide, has a so-called apex wefeefe atdl, which means the angle of the light entering and exiting, under which weeping is still carried out by ototareflexion. Outside this angle, the south-wall is and is You lost the system. The conical shape of the optical fiber rod 2 is therefore so dimensioned that the generated light output angle A is less than or equal to the aperture angle of the adjacent optical fiber bundle 6. This implies a doubling to a distance of the length of the light-radiation bar 4 to the entrance-level 3, about five to ten times the length of the guide-bar 2 with respect to the diagonal of its barnacle 3. The length of the reflection of the light-conducting bar 2 also determines the number of reflections of the light rays in its interior Number of mirror images of each LED chip and the mise-en-scène,
Immediately adjacent to the AnsiritLöäöhe B extends the flat LéeteimnitsiläelU / Lichllekerbündeia ö ,; it preferably prefers: exactly the same size and the same ÜmÄsedans give no light, but each light & completely beaateMägi iW by light
The light in each Lichdekerarm 6% 6b - exits at its end and in the SammeOptE5, which: in the Matrixolalts M beicsiigt ssr üno emeu LKihipumu. Rpumol's "lower" focus is never more fully explained in detail
In Fig. 2, only the mirror images of the single LED chip R & 2 in cross-section The combination of the mirror images Ra, Rb. Ke. Gives a glimpse of the faint conicity of the lens rivet2. For explanation purposes, only the interceptions of the LED chip R and its mirror images through the center of the trench 4 are considered here. The dwellings emanating from each mirror image are, as it were, actually raised; After passing through several extinguished retexions in the four-legged windings of the continuously drawn light beams r, m, rb, rc ..., the unlikely wipers of the optical paths correlate with: the arrangement; the mirror images,
As can be gathered from WO2012 / 068603A1 mentioned at the outset, the attachment 4 of the securing rod 2 is of each individual i-L ·: .. R ( ) Is essentially non-innate, because at any point on its surface it only dissociates from the licidious seed newucluei, directly from the LBD chip and its mirror images, from the * continuum course in so-called tOsmusW erteduug abgcstralm weroesi, * -s 1stnick necessary to use with veteeth: Ekhi & sern, with which
Glhhlanipensvsiernen the uneven: Hehigkeii nes geounaeltcn .on.-Ugxm. & Is balanced. However, delivery of the charge to the aer AumAtSxia is irregularly in the form of diverging combinations of R_iv.mongs., S, corresponding to the off-axis positions of the mirror wheels Ra, Rh, Ilc ,,, Lcu & In the subdivision and continuation of the love, the greatness of the subdivision and the continuation of the love remains largely the same as that of the aeronautical system, so that each divisional surface 8a, 8b ... of the LisnEeheroilnaejS 6 zwgx enenikus vA uniform sanctity, but preferred mehtsustrrrrrinks of light ämwaw,
In principle, the phenomenon remains: "The preferred lucidities of the ichtuustrittswiukel appear, however, as awaschoa and vedsofe #, hi By analogy with the repeatedly mentioned W02Ö1 AOhihöSAI: this phenomenon is neutralized. when each exit line lies 8a, 8b ... ha focus on the corresponding approximate mound 3 fixed in the medium plane, whereby the dorsal obturator of each point of the dorsal branch is switched by bar-whitemirror. The sameness optics produces 5 mph of optical laws a Lievertverteituuu in the form of the upside down, uniformly bright, outgoing light 8a of the Uchkhcmmws 6a as a projection into the infinite. The condenser lens absorbs as far as possible exits to the aperture field A for maxhnak: iizzlenm VotlelihaSez Weis "reaches its I. icbteirrtrittsrfoeohe 10 directly to the Ausirlttsilehe 8s of the [Jehtieiteraimes: ha.heranend is at least so large that he grasps all the appetizing Ihsikskahlen:
The geometry of the approaching 8a, 8l > ., the LiehtlTower Öa >. 6b., Is especially customizable in the use of eggs, but also by targeted shaping; As is known, this optical geometry can be modified to a limited extent, for example, by overlapping optical structures S, for example on the ground, or the light-emitting layer 11 of the converging lens 3. Also, subsets of the luminescent substance may be mirrored into other processing regions by the reflection lens integrated into the condenser lens 5. Idler offers a wide gestationstek! to adjust the lightness: to the defaults
If the fiber-optic bundle has a very long arm, it is already done inside the arm; sindumb. Production tolerances and dimensional compensation due to the inhomogeneous LxehMebtungeo, so that in this Pall the collecting lenses noaus bet theAmtrittsiiächen 8a, 8b .... the Uchüeiterarme have rntLssen and so ha could gest.
The Lidhidnerschmü the Lidhtlelierarm © and their number is in wide: limits; In the optical system as a whole the number and mode of operation of the LEDs, the size of the flashlight, the conicity of the littlestock, the size of the lattices, and the number, size, and size of the luminescent arms are readily selectable , Ba «Wt« s® Qer ApÜKen mp to adjust the brightness of the light and brightness. That: most successful rrduels
MttAMa simalafion. For example, Badmatties, Absorbances, Surfaces, Reflections, Badmatties, as well as (siehiUneedBB® ™ 11 · "®", have a limited composition.
The elements of the optical system are replaced by a Bmteseneyaiam Widen, which is so attuned that each of its components has its own components, and the losses are fttedasan # B E §S ~ xm $. Actual act of the Liszt * ·
Kg. 3. tends etafchitateiSedteEißnirt © saswef «aeiät-proofs. To the conical, "endÄitäte" 2 Ä · **. the i® Substantially planar Aiming Light "" nty "AüsaMMse 4 deceiving βη #" 5ίΒΛο7. Vwdta »peculiar Mjedercollective lens Sin of the matrix plate ΜAnas {%, 9 b ...) aalgroBai radii to .weekly ta messenger F the respective SwteWeT 5 end, never rays of light r« in® LEDK distribute amfttet gieieta »« * he ΛMadftenden Anne 9 ",% ... without any warning from their Neipinpwfflfei, only through the" Men he "." This is the angle, sc.di.ss fishing at the Austro-Sa. Sb ... another senor annuity In the case of the lobes, as in the case of the entryway, 7 the observer must therefore be in the messenger F of the condenser lenses 5.
These buildings, "before the veins," saw the separate straight segments of an even aptafflerish beehive-segregate, but also about them the bait of a Silnais-day-day-display, the keapenemes of which are essentially "in one plane." In the illustrated arrangement, Kinnen, UeMietoteb 2 rad of the Divine Feast »9 very e .A #« the only building * »setaoken sard®. BW tefafc iiehteteteae now. Jr.r ::, ....,. · ... · * 3. Concentric love - * **! Mte * ': *! ........ " itself einttttig to the iiahtieitaldai arms 9a, 9b ..... tailed sem. Thus tsr erne common, one-twentieth red ewA A.A. nourish: errcciA r .. ... i ..., ..: s., A. s ... and Opflkert: «aspeteem plastic in iron retaüv eltifaeBn Spnsweiieeng possible.
This execution is also particularly bright, and hurts both the gum-flyer and the dwarfite between the fivesia of a love-animal-mamma-veomeo-who. The fifteen-year-old paymaster was at all times in position, and respected, by a not-quite-fitting compartment, which had to be taken from the rear to the left of Mntrixpiai. in an embodiment of the invention can also be with the if chddlorslab one-storey vedsursdenesternförmige Auitellungslichüierier hsrgesieilt relatively easy.
If the same LED light source is also used in signal processing, then its operation can be done with the same control in the first place: this saves the development of another safety electrolysis,
Selhsteerständllch is the LiehiqueilennJaike 1 well-cooled to the Vednstvtfene the High-Pwer-LBDs to know to know, especially by direct and vdülächiee system onHäusäusewdnden, heatsinks, signs or other components, preferably made of aluminum.
Terms such as "uniform," "in focus," "even," "hohghaazpoiieriA," are not to be construed as "unmixed," and others are to be interpreted in the technical eusaniemhang, and not in the mathematical or ided / ideah view. Terms such as "about" mean, unless otherwise stated, ranges with "aswelm". 10%.
权利要求:
Claims (12)
[1]
1, UiiD symbol display de »sicher sicher sicher sicher sicher insbesondere insbesondere insbesondere insbesondere insbesondere insbesondere insbesondere insbesondere insbesondere insbesondere insbesondere insbesondere insbesondere insbesondere insbesondere insbesondere insbesondere insbesondere insbesondere insbesondere insbesondere insbesondere insbesondere insbesondere insbesondere insbesondere insbesondere insbesondere insbesondere insbesondere insbesondere,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, a matrix plate (M) m arrangement of the indicated resonant beam, characterized in that nmn.rtiet! '> ar in front of the adjacent ring-s-Ovt sr' · LEDs with even encapsulation CR, G). lreninuenenpianue (1) eis Liehdeherstab (2 | with flat, preferably: hmp® feemesseipr, polygonal, in particular rectangular, triangular or hexagonal Ltcni-nurtimisätcne (.w ennafeenaoi ^ m Qfeerscfemtt is ordered, which gradually becomes conical and, on the other hand, it prefers to extend to the soft tissue of the tichieintrivial surface ( ) of an element, which extends into a plurality of noteworthy pieces, whereas the total amount is equal to ζφ times On the left side of the page, which is in focus: (F) is located before it in a mimic plate (5).
[2]
2. LED symbol according to claim 1, characterized gekenazeiekmi that the IloMaMMieads: Eiesmat a: Licbbwterbündel (6), which, as known to Ucfetldtcrarmea (Sa, Sb with a plurality of Glask «Glacier consisting, which in derihchtcistaSsfläche ( 7) are characterized by the fact that the element is a Liehtleiterbimaol (6) which, as is known, orders the artificial limbs of the limb which are zosammsngei in 1 Aktominttsiläche (7), ie LEO-Symboiaszeige Claim 1, characterized in that the approaching element is a one-part dispersion splitter (9) which faces the transparent material and guides the strand entering its engagement surface (7) by means of branching light-conducting arms (9a, 9b ...} and to the converging lenses ($) .
[3]
5. LED-symbol according to claim 4, characterized in that parts thereof (9) and lubricants (2) are in one piece at the same level, especially at a high-energy level.
[4]
6, LED icon display; according to claim 4, characterized in that the outer conductor (9) and the bundle (15) are integrally made of the same material, msbesbbders, a high-tensile-saving: KuuststefF hdrgeAelil.
[5]
7. LED · Symbolsnxdge according to claim 4, declare that there is no such thing as: light-kiteri (¾AtaTiPii ((9) and collective pI) are mainly composed of the same material, especially of a high-quality plastic, II rmadcsteM one of the claims f his 7 ;; by that, the akenesfkche (4) of the Llehtieitorstabes (2) and the Bmtritisflfehs (7): of the Lehtaudsienian element congruent: Size hud GezdUtaniwdsen .. 9, L-LD "Eyr" boIanzeigc according to at least one of claims I to ß, thereby gekennieeheh that the light escaping from each Anshhtsulebe (Sa, ib,) of the Lishiehermms ib% 6h ...) is rightfully disposed of by the subsequent sum of the lenticular lens 18, litD-Gymbolahzoige according to at least one of claims 1 bk% the insects have a shape which corresponds or at least approximates the intended part of the cost, and whose shape is projected by the solid solution with respect to the condenser lens ,
[6]
11. LED symbology according to at least one of claims 1 hm t% by means of a convergent lens (5) has a superimposed structure (S; or further optically effective surface motion which is similar to the shape of the l .1 tester aaoho (Ha, Hb .. ...} corresponding Likkvarteilung the Eritirdenhssen more accurate;
[7]
12. The LED sympathetic display according to at least one of claims 1 to 4, wherein the directing lens (5) directly adjoins the optical axis (Ha, Hb of the respective fiber optic cable) or following outline awteki,
[8]
13. LED symbed display according to at least one of claims 1 to i 2, characterized in that the elevation axis (A) produced by the conicity of the light-emitting rod (2) has no or at most equal to the momentum of the intersecting incipient-acting element.
[9]
14. LLD-Hymhoasizeige according to mmdusteus one of the Anluche l 13, characterized in that the symbol of a single optical BruebcU consisting of Lichtquuchenplaiine (1), Liehtleiterstah (2) and Hehianneiiendem the element illuminated.
[10]
15. LHD Synsboknnelgc according to at least one of claims 1 to 13, characterized gekknrmolchnet that the symbol by means of a SiebsnAegmenianzeige shown and withsieben optical units consisting of Liebtuaellenpiatine (!), Idehileiierstab (2) andilchwu llodemlcm element illuminated. Id. LED Aymboianzelge according to at least one of claims 1 to 15, characterized in that the LEIACmps in CCiB technology directly on the Liehiqaeltsnplatine (l) attached and together just forgotten.sind,
[11]
17, LEO-Symlmlanzcige according to at least one of claims 1 to 16, characterized in that the lic quillienpiatine. (I) is made of electrically insulating, heat-conducting ceramic and thermally well conductive connected to cooling surfaces,
[12]
18, EBD symbol display according to at least one of claims 1 to 17, characterized in that the lightness of the high-end LBDs is preferably collected by means of lever elements, banded and hinged to optical sensors.
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法律状态:
优先权:
申请号 | 申请日 | 专利标题
ATA50667/2014A|AT516296B1|2014-09-22|2014-09-22|Fail-safe symbol displays with LED light source and light guide|ATA50667/2014A| AT516296B1|2014-09-22|2014-09-22|Fail-safe symbol displays with LED light source and light guide|
DE102015218158.8A| DE102015218158A1|2014-09-22|2015-09-22|Fail-safe symbol displays with LED light source and light guide|
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