EP0843873B1 - Audible warning device with a built-in interference suppressing device - Google Patents
Audible warning device with a built-in interference suppressing device Download PDFInfo
- Publication number
- EP0843873B1 EP0843873B1 EP96926460A EP96926460A EP0843873B1 EP 0843873 B1 EP0843873 B1 EP 0843873B1 EP 96926460 A EP96926460 A EP 96926460A EP 96926460 A EP96926460 A EP 96926460A EP 0843873 B1 EP0843873 B1 EP 0843873B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- breaker
- contact
- warning device
- rivet
- audible warning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
- G10K9/13—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using electromagnetic driving means
- G10K9/15—Self-interrupting arrangements
Definitions
- the present invention as defined in the claims relates to audible warning devices, in particular for equipment of land vehicles.
- Known horns present on the market have a coil in the air gap of which can move an integral plunger of a membrane whose vibration produces a sound.
- the coil is powered by through a breaker whose opening and closing control the reciprocating movement of the membrane.
- This electric arc renewed at frequency alarm operation, provides a signal very broad spectrum parasitic radioelectric.
- Such signal may be harmful to other equipment, especially especially electronic, vehicle.
- EP-A-O 237 727 we know a audible warning device with anti-interference device incorporated.
- This alarm includes, inside a metal envelope closed by a flexible membrane integral with a plunger core, a coil inside from which the plunger core and a breaker with isolated upper and lower arms to come into contact only through their parts of contact.
- the breaker is mounted on the enclosure by means a rivet isolated from it, and a varistor is mounted to suppress the spurious signal which is generated by the electric arc produced each time the contact parts of the breaker.
- the object of the present invention is to remedy the above mentioned drawbacks of known audible warning devices and it proposes for this purpose to modify these known alarms which, without complicating the realization of the alarm or significantly increase the cost of it, allows to rule out any harmful effect of the alarm, when operation of it, on the equipment in private individuals whose carrier vehicle is provided.
- the audible warning device is of the type comprising, inside an envelope metal closed by a flexible membrane secured to a plunger core, a coil in which can introduce the said plunger core and a breaker whose the upper and lower arms are insulated to avoid come into contact only through their contact parts the breaker being mounted on said casing by a rivet isolated from the latter. It is characterized by a varistor mounted across the breaker and whose effect suppresses the spurious signal generated by the electric arc product each time the contact parts of the breaker.
- the metallized varistor on each side is mounted on the body of the rivet while being isolated from it, and is pressed between the two arms of the breaker, opposite the said parts of contact, making contact with each of said arms.
- the washer forming a varistor is isolated from the rivet, on which it is mounted, by an extension of the carcass of the coil.
- the invention provides for the stiffening of the upper arm of the breaker so that when riveting, the rivet pressure is applied to the varistor ceramic in a uniform manner and flat (i.e. without overhang).
- the shoulder presented by the plunger core and intended to engage the lower arm of the breaker, to separate the contact parts thereof carries a washer insulating, preferably forcibly engaged in a groove of the plunger core.
- FIG. 1 there is shown the actuating part of a conventional horn. It includes a metal casing 1 closed at its front part by an elastic metallic membrane 2.
- the metal casing 1 is provided with a fixed core 3 engaged in the center of the carcass 4 of a coil 5.
- a plunger core 6, integral with the membrane 2, is located opposite the fixed core 3.
- a breaker 7 comprising an upper arm 8 and an arm lower 9 between which is mounted an insulating part 10, the latter having an opening through which the contact parts meet respective 11.12 of the arms 8.9 of the breaker.
- the breaker 7 is fixed by a rivet 13 forming a tongue, which passes through the casing 1, the shell 4, the arm 9, the insulating part 10 and the arm 8, being isolated by an insulating washer 14, of the mass of the housing 1.
- the tongue of the rivet 13 serves input for electric current.
- the lower arm 9 of the breaker 7 is in electrical contact with the input wire 15 of the coil 5, but is isolated from rivet 13.
- the output wire 16 of the coil 5 is connected electrically, via a washer metallic 17, to a rivet 18 forming a tongue of outlet, which assembles the carcass 4 to the casing 1, a insulating washer 19 insulating the rivet 18 from the mass of envelope 1.
- each opening of the breaker contacts gives rise to the formation of an electric arc between the contact parts 11,12 of the breaker 7.
- This arc electric renewed at operating frequency of the horn, provides a radio signal very broad spectrum parasite which may be harmful for other equipment, in particular electronic, of the vehicle.
- a varistor is mounted at the terminals of the breaker 7.
- This varistor produced in the form a washer 21 (that is to say a disc provided with a hole central and on the opposite sides of which the contacts are taken at the touch of a button), is mounted on the rivet 13 between the upper breaker arms 8 and lower 9 by replacing the insulation of the breaker 10 of the conventional device of figure 1.
- carcass 4 of the winding 5 then has a centering pin 22 disposed between the rivet 13 and the varistor 21.
- the stiffening of the upper arm 8 of the breaker 7 of so that during riveting the pressure of the rivet 7 is applied to the varistor ceramic of a uniform and flat, i.e. without door to false.
- the lower arm 9 of the breaker 7 is found during certain phases of the operation, at an electrical potential equal to that of the input tab 13.
- the plunger core 6 is finds him at the potential of envelope 1 whose mounting mechanical on the chassis of the user vehicle will have the effect of fixing the potential to ground, that is to say at least from the battery. It is therefore essential, under penalty of short circuit, that none of the elements of the breaker 7, and in particular the arm lower 9 of it, is not in contact electric with one of the elements of the envelope metallic 1 of the horn, including the membrane 2 and the plunger 6
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Burglar Alarm Systems (AREA)
- Breakers (AREA)
- Emergency Alarm Devices (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
- Fire Alarms (AREA)
- Fire-Detection Mechanisms (AREA)
- Alarm Systems (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Catching Or Destruction (AREA)
Abstract
Description
La présente invention telle qu'elle est définie dans les revendications concerne les avertisseurs sonores, en particulier pour l'équipement de véhicules terrestres.The present invention as defined in the claims relates to audible warning devices, in particular for equipment of land vehicles.
Les avertisseurs sonores connus, présents sur le marché, comportent une bobine dans l'entrefer de laquelle peut se déplacer un noyau plongeur solidaire d'une membrane dont la vibration produit un son. L'alimentation électrique de la bobine s'effectue par l'intermédiaire d'un rupteur dont l'ouverture et la fermeture commandent le mouvement alternatif de la membrane.Known horns present on the market, have a coil in the air gap of which can move an integral plunger of a membrane whose vibration produces a sound. The coil is powered by through a breaker whose opening and closing control the reciprocating movement of the membrane.
Ces avertisseurs sonores connus présentent l'inconvénient que, en fonctionnement, chaque ouverture des contacts du rupteur donne lieu à la formation d'un arc électrique entre les grains de contact du rupteur.These known horns present the disadvantage that, in operation, each opening contacts of the breaker gives rise to the formation of a electric arc between the contact grains of the breaker.
Cet arc électrique, renouvelé à la fréquence de fonctionnement de l'avertisseur, fournit un signal radioélectrique parasite à très large spectre. Un tel signal peut s'avérer nocif pour d'autres équipements, en particulier électroniques, du véhicule. This electric arc, renewed at frequency alarm operation, provides a signal very broad spectrum parasitic radioelectric. Such signal may be harmful to other equipment, especially especially electronic, vehicle.
Par le document EP-A-O 237 727 on connaít un avertisseur sonore à dispositif d'antiparasitage incorporé. Cet avertisseur comprend, à l'intérieur d'une enveloppe métallique fermée par une membrane souple solidaire d'un noyau plongeur, une bobine à l'intérieur de laquelle peut s'introduire le noyau plongeur et un rupteur dont les bras supérieur et inférieur sont isolés pour ne venir en contact que par leurs parties de contact. Le rupteur est monté sur l'enveloppe au moyen d'un rivet isolé de celle-ci, et une varistance est montée pour juguler le signal parasite qui est généré par l'arc électrique produit à chaque ouverture des parties de contact du rupteur.By document EP-A-O 237 727 we know a audible warning device with anti-interference device incorporated. This alarm includes, inside a metal envelope closed by a flexible membrane integral with a plunger core, a coil inside from which the plunger core and a breaker with isolated upper and lower arms to come into contact only through their parts of contact. The breaker is mounted on the enclosure by means a rivet isolated from it, and a varistor is mounted to suppress the spurious signal which is generated by the electric arc produced each time the contact parts of the breaker.
La présente invention a pour objet de remédier aux inconvénients mentionnés ci-dessus des avertisseurs sonores connus et elle propose à cet effet d'apporter à ces avertisseurs connus une modification qui, sans compliquer la réalisation de l'avertisseur ni augmenter sensiblement le coût de celui-ci, permet d'écarter tout effet nocif de l'avertisseur, lors du fonctionnement de celui-ci, sur les équipements en particulier électroniques dont le véhicule porteur est pourvu.The object of the present invention is to remedy the above mentioned drawbacks of known audible warning devices and it proposes for this purpose to modify these known alarms which, without complicating the realization of the alarm or significantly increase the cost of it, allows to rule out any harmful effect of the alarm, when operation of it, on the equipment in private individuals whose carrier vehicle is provided.
L'avertisseur sonore selon l'invention est du type comprenant, à l'intérieur d'une enveloppe métallique fermée par une membrane souple solidaire d'un noyau plongeur, une bobine dans laquelle peut s'introduire le dit noyau plongeur et un rupteur dont les bras supérieur et inférieur sont isolés pour ne venir en contact que par leurs parties de contact, le rupteur étant monté sur la dite enveloppe par un rivet isolé de cette dernière. Il se caractérise par une varistance montée aux bornes du rupteur et dont l'effet jugule le signal parasite généré par l'arc électrique produit à chaque ouverture des parties de contact du rupteur.The audible warning device according to the invention is of the type comprising, inside an envelope metal closed by a flexible membrane secured to a plunger core, a coil in which can introduce the said plunger core and a breaker whose the upper and lower arms are insulated to avoid come into contact only through their contact parts the breaker being mounted on said casing by a rivet isolated from the latter. It is characterized by a varistor mounted across the breaker and whose effect suppresses the spurious signal generated by the electric arc product each time the contact parts of the breaker.
Avantageusement, la varistance métallisée sur chaque face, est montée sur le corps du rivet tout en étant isolée de celui-ci, et est pressée entre les deux bras du rupteur, à l'opposé des dites parties de contact, en faisant contact avec chacun des dits bras.Advantageously, the metallized varistor on each side, is mounted on the body of the rivet while being isolated from it, and is pressed between the two arms of the breaker, opposite the said parts of contact, making contact with each of said arms.
Selon une réalisation préférée la rondelle formant varistance est isolée du rivet, sur lequel elle est montée, par un prolongement de la carcasse de la bobine.According to a preferred embodiment the washer forming a varistor is isolated from the rivet, on which it is mounted, by an extension of the carcass of the coil.
L'invention prévoit la rigidification du bras supérieur du rupteur de façon que, lors du rivetage, la pression du rivet soit appliquée sur la céramique de la varistance d'une manière uniforme et plane (c'est-à-dire sans porte à faux).The invention provides for the stiffening of the upper arm of the breaker so that when riveting, the rivet pressure is applied to the varistor ceramic in a uniform manner and flat (i.e. without overhang).
Enfin, selon l'invention, l'épaulement présenté par le noyau plongeur et destiné à engager le bras inférieur du rupteur, pour séparer entre elles les parties de contact de celui-ci, porte une rondelle isolante, de préférence engagée à force dans une gorge du noyau plongeur. En effet, durant certaines phases du cycle de fonctionnement, le bras inférieur du rupteur se trouve à un potentiel électrique égal à celui du plot d'entrée, alors que le noyau plongeur est au potentiel électrique de l'enveloppe de l'avertisseur, c'est-à-dire à la masse du véhicule utilisateur. Il est donc indispensable, sous peine de court-circuit, que le noyau plongeur ne vienne pas en contact électrique avec le bras inférieur du rupteur.Finally, according to the invention, the shoulder presented by the plunger core and intended to engage the lower arm of the breaker, to separate the contact parts thereof, carries a washer insulating, preferably forcibly engaged in a groove of the plunger core. Indeed, during certain phases of the operating cycle, the lower arm of the switch found at an electrical potential equal to that of the stud input, while the plunger is at potential alarm envelope, i.e. to the mass of the user vehicle. It is therefore essential, under penalty of short circuit, that the core diver does not come into electrical contact with the breaker lower arm.
Pour bien faire comprendre le dispositif
selon la présente invention, on en décrira ci-après, à
titre d'exemple sans caractère limitatif, une forme de
réalisation préférée en référence au dessin schématique
annexé dans lequel :
En référence à la figure 1 on a représenté
la partie d'actionnement d'un avertisseur conventionnel.
Elle comprend une enveloppe métallique 1 fermée à sa
partie avant par une membrane métallique élastique 2.
L'enveloppe métallique 1 est munie d'un noyau fixe 3
engagé au centre de la carcasse 4 d'une bobine 5. Un
noyau plongeur 6, solidaire de la membrane 2, est situé
en regard du noyau fixe 3.Referring to Figure 1, there is shown
the actuating part of a conventional horn.
It includes a
A l'intérieur de l'enveloppe 1 est disposé
un rupteur 7 comportant un bras supérieur 8 et un bras
inférieur 9 entre lesquels est montée une pièce isolante
10, celle-ci présentant une ouverture au travers de
laquelle se rejoignent les parties de contact
respectives 11,12 des bras 8,9 du rupteur. Inside the
La fixation du rupteur 7 s'effectue par un
rivet 13 formant languette, qui traverse l'enveloppe 1,
la caracasse 4, le bras 9, la pièce isolante 10 et le
bras 8, en étant isolé par une rondelle isolante 14, de
la masse du boítier 1. La languette du rivet 13 sert
d'entrée pour le courant électrique.The
Le bras inférieur 9 du rupteur 7 est en
contact électrique avec le fil d'entrée 15 de la bobine
5, mais est isolé du rivet 13.The
Le fil de sortie 16 de la bobine 5 est relié
électriquement, par l'intermédiaire d'une rondelle
métallique 17, à un rivet 18 formant languette de
sortie, qui assemble la carcasse 4 à l'enveloppe 1, une
rondelle isolante 19 isolant le rivet 18 de la masse de
l'enveloppe 1.The
Avec ce dispositif, lorsque l'ensemble est
alimenté électriquement entre les bornes 13 et 18, le
courant passe dans la bobine 5 et le noyau plongeur 6
est attiré à l'intérieur de la bobine 5.With this device, when the assembly is
electrically supplied between
Ce faisant, l'épaulement 20 présenté par le
noyau plongeur 6 vient repousser vers l'intérieur
l'isolant 10 du rupteur 7 et le bras inférieur 9 de ce
rupteur, en provoquant ainsi l'ouverture du circuit
électrique. La bobine 5 n'étant plus alimentée,
l'attraction magnétique cesse et le noyau plongeur 6 est
rappelé, par l'élasticité de la membrane 2, vers sa
position de repos. De ce fait le bras inférieur 9 du
rupteur reprend sa place et rétablit le courant
électrique dans la bobine 5, en recommençant un nouveau
cycle.In doing so, the
Un mouvement alternatif est ainsi communiqué
à la membrane 2, lequel est mis à profit pour générer un
son.An alternative movement is thus communicated
to
Comme il a été expliqué plus haut, en
fonctionnement chaque ouverture des contacts du rupteur
donne lieu à la formation d'un arc électrique entre les
parties de contact 11,12 du rupteur 7. Cet arc
électrique, renouvelé à la fréquence de fonctionnement
de l'avertisseur, fournit un signal radioélectrique
parasite à très large spectre qui peut s'avérer nocif
pour d'autres équipements, en particulier électroniques,
du véhicule.As explained above, in
operation each opening of the breaker contacts
gives rise to the formation of an electric arc between the
Aux figures 2 et 3, on a représenté le dispositif modifié selon l'invention, dans lequel les éléments similaires à ceux du dispositif de la figure 1 ont été désignés par les mêmes numéros de référence.In Figures 2 and 3, the modified device according to the invention, in which the elements similar to those of the device in FIG. 1 have been designated by the same reference numbers.
Selon l'invention, pour juguler le signal
parasite généré par l'ouverture des contacts de rupteur,
on monte une varistance aux bornes du rupteur 7.According to the invention, to suppress the signal
parasite generated by the opening of the breaker contacts,
a varistor is mounted at the terminals of the
Cette varistance, réalisée sous la forme
d'une rondelle 21 (c'est-à-dire un disque muni d'un trou
central et sur les faces opposées duquel les contacts
électriques sont pris par simple pression), est montée
sur le rivet 13 entre les bras de rupteur supérieur 8 et
inférieur 9 en remplaçant l'isolant du rupteur 10 du
dispositif conventionnel de la figure 1. Afin d'isoler
la varistance 21 du rivet 13, la carcasse 4 du bobinage
5 présente alors un téton de centrage 22 disposé entre
le rivet 13 et la varistance 21.This varistor, produced in the form
a washer 21 (that is to say a disc provided with a hole
central and on the opposite sides of which the contacts
are taken at the touch of a button), is mounted
on the
On prévoit, selon l'invention, la
rigidification du bras supérieur 8 du rupteur 7 de
manière à ce que, lors du rivetage, la pression du rivet
7 soit appliquée sur la céramique de la varistance d'une
manière uniforme et plane, c'est-à-dire sans porte à
faux.According to the invention, the
stiffening of the
Selon l'invention, d'autre part, on équipe
l'épaulement 20 du noyau plongeur 6 d'une rondelle
isolante 23 montée à force dans une gorge 24 du noyau 6.According to the invention, on the other hand, we equip
the
En effet, le bras inférieur 9 du rupteur 7
se trouve, durant certaines phases du cycle de
fonctionnement, à un potentiel électrique égal à celui
de la languette d'entrée 13. Le noyau plongeur 6 se
trouve lui au potentiel de l'enveloppe 1 dont le montage
mécanique sur le châssis du véhicule utilisateur aura
pour effet de fixer le potentiel à la masse,
c'est-à-dire au moins de la batterie. Il est donc
indispensable, sous peine de court-circuit, qu'aucun des
éléments du rupteur 7, et en particulier le bras
inférieur 9 de celui-ci, ne se trouve en contact
électrique avec un des éléments de l'enveloppe
métallique 1 de l'avertisseur, y compris la membrane 2
et le noyau plongeur 6Indeed, the
On comprendra que la description ci-dessus a été donnée à simple titre d'exemple, sans caractère limitatif, et que des adjonctions ou des modifications constructives pourraient y être apportées sans sortir du cadre de l'invention. En particulier, au lieu de rigidifier le bras supérieur du rupteur, on peut insérer entre ce bras et la varistance une rondelle épaisseIt will be understood that the above description has was given as an example, without character limiting, and that additions or modifications could be made without leaving the part of the invention. In particular, instead of stiffen the upper arm of the breaker, we can insert between this arm and the varistor a thick washer
Claims (5)
- Audible warning device with incorporated anti-interference device comprising, inside a metal casing (1) which is closed by a flexible membrane (2) which is integral with a solenoid plunger (6), a coil (5), inside which the solenoid plunger (6) can be introduced, and a contact breaker (7) whose upper (8) and lower (9) arms are insulated in order to come into contact only at their contact portions (11, 12), the contact breaker (7) being mounted on the casing (1) by means of a rivet (13) which is insulated from the envelope (1), and a varistor (21) which is mounted to suppress the interference signal generated by the electric arc produced every time the contact portions (11, 12) of the contact breaker (7) are opened, characterised in that the varistor (21) is in the form of a washer mounted on the body of the rivet (13), whilst being insulated therefrom, and urged between the two arms (8, 9) of the contact breaker (7), opposite the contact portions (11, 12), whilst making contact with each of the arms (8, 9).
- Audible warning device according to claim 1, characterised in that the washer forming the varistor (21) is insulated from the rivet (13) by an extension (22) of the casing (4) of the coil (5).
- Audible warning device according to claim 1 or claim 2, characterised in that the upper arm (8) of the contact breaker (7) is stiffened so that, during riveting, it is urged in a uniform and level manner against the face which is opposite the varistor (21).
- Audible warning device according to any one of claims 1 to 3, characterised in that the shoulder (20) of the solenoid plunger (6), which is intended to engage the lower arm (9) of the contact breaker (7) in order to separate from one another the contact portions (11, 12) thereof, carries an insulating washer (23).
- Audible warning device according to claim 4, characterised in that the insulating washer (23) is mounted in a recess (24) which is arranged in the solenoid plunger (6).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9509066A FR2737334B1 (en) | 1995-07-26 | 1995-07-26 | AUDIBLE ALARM WITH BUILT-IN PEST CONTROL DEVICE |
| FR9509066 | 1995-07-26 | ||
| PCT/FR1996/001170 WO1997005601A1 (en) | 1995-07-26 | 1996-07-25 | Audible warning device with a built-in interference suppressing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0843873A1 EP0843873A1 (en) | 1998-05-27 |
| EP0843873B1 true EP0843873B1 (en) | 1999-10-20 |
Family
ID=9481389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96926460A Expired - Lifetime EP0843873B1 (en) | 1995-07-26 | 1996-07-25 | Audible warning device with a built-in interference suppressing device |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP0843873B1 (en) |
| AT (1) | ATE185922T1 (en) |
| AU (1) | AU6663296A (en) |
| DE (1) | DE69604811T2 (en) |
| DK (1) | DK0843873T3 (en) |
| ES (1) | ES2141522T3 (en) |
| FR (1) | FR2737334B1 (en) |
| PT (1) | PT843873E (en) |
| WO (1) | WO1997005601A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19853506B4 (en) * | 1998-11-20 | 2008-01-31 | Robert Bosch Gmbh | Acoustic signal transmitter |
| FR2910167A1 (en) * | 2006-12-14 | 2008-06-20 | Composants Electr Sa Soc D | Horn for motor vehicle, has movable core coupled to oscillating membrane and defining air gap with fixed core, and casing enclosing ferromagnetic element forming shunt to channalize electromagnetic flux to confine flux near coil |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB349183A (en) * | 1929-03-18 | 1931-05-28 | Moto Meter Gauge & Equip Corp | Improvements in audible traffic signal or warning devices |
| US2145711A (en) * | 1934-04-19 | 1939-01-31 | Gen Motors Corp | Sounding signal device |
| US2598994A (en) * | 1949-07-28 | 1952-06-03 | Russell A Gougeon | Electromagnetically operated signal producing resonator device |
| DE3123877C1 (en) * | 1981-06-16 | 1983-02-24 | Siemens AG, 1000 Berlin und 8000 München | Electrolytic cell shunting switch - with parallel connected varistor as energy absorber to prevent contact burn-up |
| DE3608761A1 (en) * | 1986-03-15 | 1987-09-17 | Hella Kg Hueck & Co | ELECTROMAGNETIC SIGNAL HORN |
-
1995
- 1995-07-26 FR FR9509066A patent/FR2737334B1/en not_active Expired - Fee Related
-
1996
- 1996-07-25 DK DK96926460T patent/DK0843873T3/en active
- 1996-07-25 ES ES96926460T patent/ES2141522T3/en not_active Expired - Lifetime
- 1996-07-25 WO PCT/FR1996/001170 patent/WO1997005601A1/en active IP Right Grant
- 1996-07-25 PT PT96926460T patent/PT843873E/en unknown
- 1996-07-25 DE DE69604811T patent/DE69604811T2/en not_active Expired - Fee Related
- 1996-07-25 AU AU66632/96A patent/AU6663296A/en not_active Abandoned
- 1996-07-25 AT AT96926460T patent/ATE185922T1/en not_active IP Right Cessation
- 1996-07-25 EP EP96926460A patent/EP0843873B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2737334B1 (en) | 1997-10-17 |
| DE69604811T2 (en) | 2000-06-29 |
| ES2141522T3 (en) | 2000-03-16 |
| WO1997005601A1 (en) | 1997-02-13 |
| DK0843873T3 (en) | 2000-04-25 |
| PT843873E (en) | 2000-04-28 |
| ATE185922T1 (en) | 1999-11-15 |
| FR2737334A1 (en) | 1997-01-31 |
| AU6663296A (en) | 1997-02-26 |
| EP0843873A1 (en) | 1998-05-27 |
| DE69604811D1 (en) | 1999-11-25 |
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