EP0770202A1 - Dispositif d'affichage eclaire et aiguille eclairee - Google Patents
Dispositif d'affichage eclaire et aiguille eclaireeInfo
- Publication number
- EP0770202A1 EP0770202A1 EP95924147A EP95924147A EP0770202A1 EP 0770202 A1 EP0770202 A1 EP 0770202A1 EP 95924147 A EP95924147 A EP 95924147A EP 95924147 A EP95924147 A EP 95924147A EP 0770202 A1 EP0770202 A1 EP 0770202A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pointer
- light
- flag
- axis
- rotation
- 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.)
- Withdrawn
Links
- 238000005286 illumination Methods 0.000 claims abstract description 15
- 230000008878 coupling Effects 0.000 claims description 14
- 238000010168 coupling process Methods 0.000 claims description 14
- 238000005859 coupling reaction Methods 0.000 claims description 14
- 239000004020 conductor Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 239000000243 solution Substances 0.000 description 8
- 239000011324 bead Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000000265 homogenisation Methods 0.000 description 3
- 239000011343 solid material Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000001475 halogen functional group Chemical group 0.000 description 1
- 210000002837 heart atrium Anatomy 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- VLCQZHSMCYCDJL-UHFFFAOYSA-N tribenuron methyl Chemical compound COC(=O)C1=CC=CC=C1S(=O)(=O)NC(=O)N(C)C1=NC(C)=NC(OC)=N1 VLCQZHSMCYCDJL-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/28—Structurally-combined illuminating devices
-
- 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
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
- B60Q3/10—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for dashboards
- B60Q3/14—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for dashboards lighting through the surface to be illuminated
-
- 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
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
- B60Q3/10—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for dashboards
- B60Q3/16—Circuits; Control arrangements
-
- 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
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
- B60Q3/60—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects
- B60Q3/62—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides
- B60Q3/64—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides for a single lighting device
Definitions
- the invention relates to an illuminated display device according to the preamble of claim 1.
- the document DE-OS 33 00 271 shows a display device with a light guide disc and a single light source attached on the underside.
- the light guide disc has a plurality of deflection surfaces, which causes the rays emanating from the light source to be divided into two groups of rays. Finally, further deflection surfaces direct these two beam groups onto the pointer.
- the document DE-OS 41 21 248 shows a similar solution in which the light is in turn first directed into the scale carrier and then into the pointer via deflection surfaces.
- Solution is the scale disc from the outside, i.e. of their
- Illuminated peripheral area The light flowing through the dial is directed into the pointer flag by means of deflection surfaces provided in the pointer.
- This embodiment has the disadvantage that the light sources provided in the peripheral area on the one hand take up additional space, and on the other hand cause additional costs, in particular due to the electrical connections.
- this solution does not permit intensive and uniform illumination of the pointer flag, since the light sources are too far away from the pointer.
- the invention is therefore based on the object of providing a display device of the type mentioned at the outset which ensures intensive and uniform display and / or pointer lighting, is space-saving, is flexible with regard to component replacement, and consists of a few simple elements, each of which has one low manufacturing effort is required and is therefore inexpensive, and preferably generates low waste heat.
- the achievement of the object according to the invention results from the features of claim 1; the subclaims define preferred configurations. Since the entire light deflection is provided in the pointer in the solution according to the invention, the total outlay of the display device and, with it, the cost are considerably reduced.
- the light originating from a few light sources can be homogenized, so that the illumination of the pointer flag is largely intense regardless of the rotational position of the pointer.
- the motor can serve as a support for the light source arrangement.
- Eliminating the need for an outstanding steel motor shaft is also cost-saving, as this is made possible by a plastic shaft molded onto the pointer. is set.
- the hole provided in the motor axis is much simpler and cheaper.
- the solution according to the invention is particularly suitable in the automotive and watch industry for speed, speed, tank, temperature, time displays or the like.
- FIG. 1 shows a first embodiment of the display device according to the invention with a first embodiment of the pointer according to the invention in vertical section along line II in FIG. 2
- FIG. 2 shows a detail of a top view of the first embodiment of the display device according to the invention 3 shows a perspective view of the first embodiment of the display device according to the invention with the first embodiment of the pointer according to the invention, partially cut away
- FIG. 4 shows a second embodiment of the pointer according to the invention.
- the display device shown in Fig.1-3 has a stepper motor 1 and a light guide plate 2, which are fixedly connected to a housing, not shown.
- a rotatable pointer 3 is in direct drive connection with the stepping motor 1 via a common axis of rotation 4 running orthogonally through the light guide disk 2.
- the pointer 3 as well as the light guide disk 2 are made of a translucent material such as PMMA or PC.
- the stepper motor 1 has a motor underside 5, on which motor feed connections 6 are provided, and one Motor top 7 on which a circuit board 8 is located.
- light sources 9 are arranged concentrically around and as close as possible to the axis of rotation 4.
- Particularly suitable as light sources 9 are LEDs 9, which have a small dimension and a long service life, and which are considerably cheaper in comparison to incandescent lamps. Three to five LEDs 9 are preferably provided.
- the circuit board 8 has conductor tracks, not shown, which connect the LEDs 9 in series. As a result, only two LED feed connections 10 are necessary, which penetrate the stepper motor 1 and advantageously protrude from the stepper motor 1 on the underside 5 of the motor in the region of the motor feed connections 6.
- the LED and motor feed connections 10 and 6 are connected to a control circuit, not shown.
- the fact that the LED and motor supply connections 10 and 6 are located in the immediate vicinity means that the installation and assembly work is as small as possible.
- the stepper motor 1 has a motor axis 11, which does not protrude either on the motor bottom 5 or on the motor top 7, but has a longitudinal bore 12 on the motor top 7.
- a pointer shaft 13 is pressed into this longitudinal bore 12 and forms part of the pointer 3, which is made from one piece by injection molding.
- a pointer hub 14 Connected to the pointer shaft 13 is a pointer hub 14 which passes through a bore 15 provided in the light guide disk 2 without contact.
- a pointer lug 16 connects to the pointer hub 14 and runs essentially parallel to the light guide disk 2.
- the light guide disc 2 has an upper side 17, on which a scale 18 is attached.
- the pane 2 consists of a translucent material and is provided with indices 19 (FIGS. 2, 3).
- the pointer hub 14 has an underside 20, on which there is an annular ring which is concentric with respect to the axis of rotation 4 and is elliptical in cross section Bead 21 with a light coupling surface 22 is provided (Fig.l).
- the pointer hub 14 has a cavity 24, which is closed on the upper side with a pointer cap 25 that is not translucent, for example, and adjoins a deflecting surface 26 which is frustoconical in cross section and is located above the bead 21 at the level of the light guide disk 2.
- This deflection surface 26 has an inclination of 45 ° with respect to the axis of rotation 4 (FIG. 1) and extends over almost the entire circumference around the axis of rotation 4 (FIG. 2).
- An essentially annular light supply region 27 is provided between this deflection surface 26 and the bead 21.
- Another flat deflection surface 28 which also has an inclination of 45 ° with respect to the axis of rotation 4, has the width of the pointer flag 16 and closes the full circle with the frustoconical deflection surface 26.
- the flat deflection surface 28 is located above the light guide disc 2 at the level of the pointer flag 16. Between this deflection surface 28 and the bead 21, an essentially prismatic light supply region 29 is provided in the pointer hub 14.
- the light flows through the pointer 3 and the light guide disk 2 as follows, all of the following statements also applying in principle to the second embodiment of the display device according to the invention and to the second embodiment of the pointer according to the invention:
- the three LEDs shown are arranged in such a way that one of them illuminates the upper area of the scale 18, while the other two each cover the left and right area of the scale 18 by an angle of approximately 100 °.
- Light rays 30 originating from the light sources 9 are deflected on the light coupling surface 22 of the elliptical bead 21 in accordance with the law of light refraction and run in the pointer hub 14 parallel to the axis of rotation 4.
- a first portion 31 of the light rays 30 passes through the prismatic light supply area 29, strikes the flat deflection surface 28, is totally reflected there at an angle of 90 ° and is directed into the pointer flag 16.
- a second portion 32 of the light beams 30 passes through the cylindrical light supply area 27 and meets the frustoconical deflection surface 26, is deflected outward with respect to the axis of rotation 90 ° outwards, in accordance with the principle of total reflection, and is introduced into the light guide disk 2.
- the light beams 32 coming from the frustoconical deflection surface 26 are homogeneously distributed in the light guide disk 2, so that the entire light guide disk 2, or the scale 18, is also uniformly illuminated directly under the pointer flag 16.
- the ring-shaped light supply region 27 thus enables the light beams to be passed on with a tangential directional component around the axis of rotation 4 and in the
- the ring-shaped light supply area 27 naturally also enables more intensive and uniform illumination of the light guide disk 2.
- FIG. 4 in which a second embodiment of the display device according to the invention is shown with a second embodiment of the pointer according to the invention, the reference numbers from FIGS. 1 to 3 have been adopted for essentially identical items. On the other hand, new usage numbers have been defined for those deviating from the first embodiment. Only the differences compared to FIGS. 1 to 3 are discussed below.
- the stepper motor designated by 1 'in FIG. 4 differs from that with reference number 1 from FIGS. 1 to 3 only in another embodiment of the motor axis 11, which is designated by 11' in FIG.
- the motor axis 11 'does not have a longitudinal bore 12, but consists of solid material, for example steel, and projects beyond the top 7 of the motor.
- the pointer 3 'shown in FIG. 4 does not have a pointer shaft 13, but rather a bore 13' running inside the pointer hub 14 'and along the axis of rotation 4, which enables it to be plugged onto the motor axis 11'.
- the pointer hub 14 ' is also adjoined by a pointer flag 16' which tapers towards its outer end, but which, in contrast to the pointer flag 16, has no curvature on the underside, but rather runs straight on the top and bottom.
- the pointer hub 14 ' has an underside 20' on which an annular light coupling surface 22 'is formed which is concentric with respect to the axis of rotation 4, around which an essentially frustoconical light coupling and deflecting surface 23' adjoins, for example 45 ° to the axis of rotation 4 is inclined.
- the cavity denoted by 24 ' which almost coincides with the cavity 24 of the pointer 3 in FIGS. 1 to 3, borders in an analogous manner on an approximately frustoconical and arranged in the pointer hub 14' and concentrically about the axis of rotation 4
- This deflection surface 26 extends approximately over the full circumference around the axis of rotation 4, but is arched in contrast to the deflection surface 26, i.e. convex.
- annular solid material region 27 ' which, in accordance with the shape of the deflection surface 26' and the light coupling surface 23 ', forms a conically hollowed truncated cone.
- a flat deflection surface 28 is also formed in the pointer hub 14 ', which has an inclination of 45 ° with respect to the axis of rotation 4 and the width of the pointer flag 16' and closes the full circle with the deflection surface 26 '.
- the flat deflection surface 28 is located above the light guide disk 2 at the level of the pointer flag 16 '. Between the deflecting surface 28 and the underside 20 ', essentially the same approximately prismatic light supply region 29 is provided in the pointer hub 14'.
- the light flows through the pointer 3 'and the light guide disk 2 as follows, all of the following statements also applying in principle to the first embodiment of the display device according to the invention and to the first embodiment of the pointer according to the invention:
- Light rays 30 'originating from the light sources 9 hit the light coupling surface 22 and the light coupling and deflection surface 23' and are at least partially deflected approximately in the direction of the axis of rotation 4.
- a first portion 31 'of the light beams 30' passes through the prismatic light supply area 29, strikes the flat deflection surface 28, is totally reflected there at an angle of 90 ° and is directed into the pointer flag 16 '.
- the pointer flag 16 'tapering outwards from the pointer hub 14' Due to the shape of the pointer flag 16 'tapering outwards from the pointer hub 14', the light rays 31 'are increasingly refracted at shorter intervals, which counteracts the decreasing light intensity towards the outside, so that the pointer 3' in its glows brightly over the entire length.
- a second portion 32 'of the light beams 30' passes through the cylindrical light supply area 27 * and meets the frustoconical deflection surface 26 ', is deflected outwards with respect to the axis of rotation 90 ° outwards, in accordance with the principle of total reflection, and into the light inserted conductor disc 2.
- the light rays 32 'entering the light guide disk 2 are composed of light rays 33' guided via the pointer hub 14 'and light rays 34' originating directly from the light sources 9, the two components being entirely the same.
- This solution also enables uniform and intensive illumination of the light guide disk 2. It is in particular the light coupling-in and deflecting surface 23 'which enables the necessary space for the direct irradiation of the light guide disk 2 by the LEDs 9.
- Light rays running obliquely to this and outside the pointer hub 14 ' can also be deflected at it or deflected into the light guide disk 2.
- the light sources are approximately point sources, in addition to the axially extending light rays, non-axially extending light rays also arise in the pointer hub 14 'despite the specially designed underside 20'.
- Such a light beam is entered in part in FIG. 4 and designated 35 '. Otherwise, several light beams 30 'running in different directions are shown.
- the terms axially, non-axially and tangentially refer to the axis of rotation 4.
- the ring-shaped light supply region 27 'thus enables the light beams with a tangential directional component to be passed around the axis of rotation 4 and subsequently a homogenization of the halo which is still heterogeneous in the region of the light sources 9.
- the illumination which is constant regardless of the rotational position, is particularly good in the second embodiment of the pointer.
- the ring-shaped light feed region 27 naturally also enables more intensive and uniform illumination of the light guide disk 2.
- the approximately prismatic light supply area 29 can be designed to taper in the area towards the underside 20 or 20 'of the pointer 3 or 3' or be basically conical in order to increase the light intensity in the pointer flag 16 or 16 '.
- the motor supply connections 6 can emerge on the top 7 of the motor and can be contacted on the printed circuit board 8.
- Such a motor is generally referred to as a front contact motor.
- the LED feed connections 10 do not pass through the motor, but only straight onto the printed circuit board 8, from where the electrical connection is made to an electronic circuit which enables the LEDs and the motor to be controlled.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Details Of Measuring Devices (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
L'invention concerne un dispositif d'affichage éclairé comportant un cadran photoconducteur (2), une aiguille photoconductrice (3, 3') présentant une partie plate (16, 16') ainsi qu'une source lumineuse (8, 9, 10) destinée à produire des faisceaux lumineux (30, 30') afin de les fournir à la partie plate (16, 16') de l'aiguille et au cadran (2). L'aiguille (3, 3') présente des surfaces de déviation (26, 28, 23', 26') qui dirigent une première partie (31, 31') des faisceaux lumineux (30, 30') produits par la source lumineuse (8, 9, 10) dans la partie plate (16, 16') de l'aiguille, et une seconde partie (32, 32') dans le cadran (2). Ces surfaces de déviation permettent un éclairage homogène de la partie plate (16, 16') de l'aiguille, indépendamment de sa position de rotation.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP95924147A EP0770202A1 (fr) | 1994-07-14 | 1995-07-14 | Dispositif d'affichage eclaire et aiguille eclairee |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP94111004 | 1994-07-14 | ||
EP94111004A EP0692699A1 (fr) | 1994-07-14 | 1994-07-14 | Dispositif d'affichage illuminé |
EP95924147A EP0770202A1 (fr) | 1994-07-14 | 1995-07-14 | Dispositif d'affichage eclaire et aiguille eclairee |
PCT/CH1995/000163 WO1996002810A1 (fr) | 1994-07-14 | 1995-07-14 | Dispositif d'affichage eclaire et aiguille eclairee |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0770202A1 true EP0770202A1 (fr) | 1997-05-02 |
Family
ID=8216119
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94111004A Withdrawn EP0692699A1 (fr) | 1994-07-14 | 1994-07-14 | Dispositif d'affichage illuminé |
EP95924147A Withdrawn EP0770202A1 (fr) | 1994-07-14 | 1995-07-14 | Dispositif d'affichage eclaire et aiguille eclairee |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94111004A Withdrawn EP0692699A1 (fr) | 1994-07-14 | 1994-07-14 | Dispositif d'affichage illuminé |
Country Status (4)
Country | Link |
---|---|
EP (2) | EP0692699A1 (fr) |
JP (1) | JPH10505414A (fr) |
KR (1) | KR970705009A (fr) |
WO (1) | WO1996002810A1 (fr) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19744533B4 (de) * | 1997-10-09 | 2007-02-22 | Robert Bosch Gmbh | Anzeigevorrichtung |
DE19807482A1 (de) * | 1998-02-25 | 1999-08-26 | Mannesmann Vdo Ag | Zeigerinstrument |
KR100319969B1 (ko) * | 1999-09-13 | 2002-01-16 | 안정구 | 차량 계기판용 발광지침장치 |
DE10222503B4 (de) * | 2002-05-22 | 2016-03-31 | Robert Bosch Gmbh | Zeiger |
DE102004052893B4 (de) * | 2004-11-02 | 2017-05-24 | Volkswagen Ag | Zeigerinstrument |
DE102005021317A1 (de) * | 2005-05-09 | 2006-11-16 | Siemens Ag | Anzeigeinstrument |
US7624699B2 (en) * | 2007-01-17 | 2009-12-01 | Yazaki Corporation | Pointer illuminator |
JP5378879B2 (ja) | 2009-05-20 | 2013-12-25 | 矢崎総業株式会社 | 計器装置の指針の取付構造 |
DE102010055076A1 (de) * | 2010-12-18 | 2012-06-21 | Volkswagen Aktiengesellschaft | Anzeigevorrichtung für ein Kraftfahrzeug |
JP5835559B2 (ja) * | 2011-08-24 | 2015-12-24 | 日本精機株式会社 | 指針式表示装置 |
JP5978841B2 (ja) * | 2012-08-02 | 2016-08-24 | 日本精機株式会社 | 表示装置 |
JP2014048067A (ja) * | 2012-08-29 | 2014-03-17 | Nippon Seiki Co Ltd | 表示装置 |
JP2014085260A (ja) * | 2012-10-25 | 2014-05-12 | Nippon Seiki Co Ltd | 指針式計器 |
JP6116204B2 (ja) * | 2012-11-26 | 2017-04-19 | 矢崎総業株式会社 | 指針構造 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2370342A1 (fr) * | 1976-11-03 | 1978-06-02 | Aerospatiale | Dispositif d'eclairage de planche de bord et d'instruments de bord, notamment pour aeronef |
JPS54128450U (fr) * | 1978-02-28 | 1979-09-06 | ||
JPH0742101Y2 (ja) * | 1987-05-29 | 1995-09-27 | 矢崎総業株式会社 | 計 器 |
US4965457A (en) * | 1989-02-17 | 1990-10-23 | Avi Wrobel | Removable panel illuminating module |
GB2237385B (en) * | 1989-10-19 | 1993-02-03 | Delco Electronic Overseas Corp | Faceplate for back-illuminated instrument panel |
US5142456A (en) * | 1991-05-22 | 1992-08-25 | Delco Electronics Corporation | Illuminated pointer with axial light source |
FR2685959A1 (fr) * | 1992-01-06 | 1993-07-09 | Jaeger | Dispositif indicateur a aiguille eclairante. |
-
1994
- 1994-07-14 EP EP94111004A patent/EP0692699A1/fr not_active Withdrawn
-
1995
- 1995-07-14 EP EP95924147A patent/EP0770202A1/fr not_active Withdrawn
- 1995-07-14 KR KR1019970700186A patent/KR970705009A/ko not_active Application Discontinuation
- 1995-07-14 WO PCT/CH1995/000163 patent/WO1996002810A1/fr not_active Application Discontinuation
- 1995-07-14 JP JP8504557A patent/JPH10505414A/ja active Pending
Non-Patent Citations (1)
Title |
---|
See references of WO9602810A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP0692699A1 (fr) | 1996-01-17 |
KR970705009A (ko) | 1997-09-06 |
JPH10505414A (ja) | 1998-05-26 |
WO1996002810A1 (fr) | 1996-02-01 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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17P | Request for examination filed |
Effective date: 19970214 |
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AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): CH DE ES FR GB IT LI NL SE |
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17Q | First examination report despatched |
Effective date: 19970721 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 19971202 |