DE102007005547A1 - Holder for global system for mobile communication mobile telephone, has antenna integrated into holder and electrically coupled to antenna of mobile telephone, where signals are transmitted from holder to mobile telephone and vice versa - Google Patents

Abstract

The The present application relates to a holder for a mobile Phone. In the holder an antenna is integrated, which is the antenna of the mobile phone.

Description

The The present invention relates to a holder for a mobile Telephone with the features of claim 1.

Holders for mobile phones are well known. For example, this is off DE 101 31 169 A1 a generic holder for a mobile phone known. The holder has an adapter connected to a base holder, which has plug-in elements which are complementary to plug-in elements of the telephone. Power, charger, antenna and amplifier are connected via these plug-in elements.

Out DE 201 09 765 U1 is a holder for a mobile phone, consisting of a base holder with a standard electrical connection and a telephone adapter with a matching, standardized electrical connection known. The phone adapter is adapted to different models of mobile phones, the mobile phones have a coaxial termination as an antenna termination. The electrical connection to the antenna terminal of the mobile phone is formed at the termination between the base holder and the telephone adapter by contacts without Koaxialcharakter.

adversely In this known prior art is that for each Model, especially for any size arrangement of the model, a specific holder must be provided.

Farther is disadvantageous in that, despite the introduction to the adapter the antenna of the mobile phone is operating and moving around the mobile Telephone a radio field builds up.

task The invention is to provide a holder, the above Disadvantages avoids.

These The object is achieved by the present invention based on the features of claim 1. Advantageous embodiments The invention will become apparent from the dependent claims as well as the further description and the attached figures.

The The present invention is characterized by being on the market available mobile phones, especially GSM phones, their antennas in the area of the back of the housing, and there in the upper area, have arranged. The inventive Holder has the property of having an integrated spring mechanism the different lengths of different mobile phones adapts. Another advantage is the fact that when undressing the spring mechanism of the spring mechanism an antenna mounted there, preferably a capacitive antenna, is pulled out with. Independently By length the mobile phone adapts to this Holder integrated antenna through the sliding mechanism always the mobile phone and is in the retracted state of the mobile Phone always near the antenna of the mobile phone. The antenna integrated in the holder, which via the sliding mechanism telescopic, couples the signals coming from the antenna of the mobile Telephone radiated, capacitive and directs this means a connectable to the holder cable, in particular a coaxial cable to an antenna remote from the holder, a so-called external antenna. That's how the radiation gets the antenna of the mobile phone is almost completely in transmit the integrated antenna in the holder and a radiation diminished by the antenna in the mobile phone to the environment. In Reverse direction will be signals coming from the external antenna be received via the cable to the integrated in the holder Antenna transmitted and there by this antenna in the Antenna of the mobile phone coupled. Preferably when using the Holder in a vehicle, preferably a motor vehicle thereby significantly reducing the radiation of the mobile telephone antenna reduced. In a further advantageous embodiment of the invention the holder according to the invention with additional equipped with shielding materials, so that almost the entire Transmission energy of the antenna of the mobile phone absorbed by the holder is, with much of the integrated into the holder Antenna is coupled.

The Recording the mobile phone on the connectors or interfaces in the holder is carried out by means of plastic shells cell phone specific, which has the advantage that the partially filigree and small contact points of the mobile phone exactly on the ones in the holder Counter contacts are performed.

The holder also has on top of a headband, which can be set by a tilting mechanism 90 °. The mobile phone is placed on the raised headband. The mobile phone is pushed up together with the headband and by this pulling / pushing the mobile phone upwards the spring mechanism in the holder with the attached capacitive antenna is pulled out. When the length corresponding to the mobile phone is reached, the mobile phone is placed with the case back on the extended part of the holder and released. Now, the spring mechanism causes the mobile phone to be retracted and pulled and held on the handset-specific contacts located in the holder. In this way the contacting becomes exact performed.

Advantageous in the holder according to the invention is that this designed for commercial mobile phones is and he has an integrated antenna in the holder, which the Antenna of the mobile phone couples when the mobile phone is in the Holder is inserted.

Advantageous according to the embodiment according to claim 2 is that by means of the antenna integrated in the holder and the antenna in the mobile phone signals from the holder to the mobile phone and from mobile phone to the holder are transferable.

Advantageous according to the embodiment according to claim 3 is that the antenna integrated in the holder is the one in the mobile phone arranged antenna capacitively coupled.

Advantageous according to the embodiment according to claim 4 is that the antenna integrated in the holder a flat antenna or a sheet-shaped metallic conductor, which with a predefined resonant frequency excitable.

Advantageous according to the embodiment according to claim 5 is that the antenna integrated in the holder is a capacitive antenna is.

Advantageous according to the embodiment according to claim 6 is that the holder consists of two housing parts, wherein the second housing part to the first housing part is displaceable.

Advantageous according to the embodiment according to claim 7 is that the first housing part with the second housing part via a plate is connected, which rigidly with the second housing part connected and displaceable to the first housing part.

Advantageous according to the embodiment according to claim 8 is that the antenna integrated in the holder is part of the second Housing part is.

Advantageous according to the embodiment according to claim 9 is that the integrated antenna is arranged on the plate, which connects the first and the second housing part.

Advantageous according to the embodiment according to claim 10 is that the second housing part via a guide and by means of a spring mechanism with the first housing part connected is.

Advantageous according to the embodiment according to claim 11 is that the spring element on the plate and the first housing is attached.

Advantageous according to the embodiment according to claim 12 is that on the second housing part, on the first housing part facing away from a stop is arranged, which prevents the second housing part completely into the first housing part is insertable.

Advantageous according to the embodiment according to claim 13 is that a stop bracket is arranged on the stop, the is rigidly connected to the stop or the one over Storage hinged by 90 ° to the second housing part is, with the headband folded in by 90 ° State locks in a holding position.

Advantageous according to the embodiment according to claim 14 is that on the headband a compressible element of a Damping element is arranged.

Advantageous according to the embodiment according to claim 15 is that the spring element has the lowest tensile force when the second housing part in the first housing part pushed in to the stop, or the plate almost completely is inserted in the first housing part and that the tensile force of the spring element increases when the second housing part pulled out of this position from the first housing part or moved.

Advantageous according to the embodiment according to claim 16 in that the first housing part has a cavity, in which the mobile phone is at least partially insertable is, and that this cavity at least partially the mobile phone encloses positively.

Advantageous according to the embodiment according to claim 17 is that the first housing part first and second lateral Has guides, which an additional fixation and guide the mobile phone during insertion effect in the holder.

Advantageous according to the embodiment according to claim 18 is that the antenna built into the holder is close by of the stop is arranged.

Advantageous according to the embodiment according to claim 19 is that the antenna integrated in the holder in place in the second Housing part or the plate is arranged, which directly the location of the antenna in the mobile phone corresponds and which this occupies when the mobile phone is inserted into the holder is.

Advantageous according to the embodiment according to claim 20 is that the first housing part electrical and mechanical Contacting has the existing on the mobile phone contact electrical and mechanical contacts, if that mobile phone is inserted in the holder.

Advantageous according to the embodiment according to claim 21 is that the electrical and / or mechanical contacts according to standardized for each mobile phone are.

Advantageous according to the embodiment according to claim 22 is that in the first and / or second housing part shields are present when operating the mobile phone, the electrical Signals emitted via the antenna of the mobile phone be shielded.

Advantageous according to the embodiment according to claim 23 is that in the holder electrical units are present, which with other external, not in the holder integrated electrical Communicate units.

Advantageous according to the embodiment according to claim 24 is that the electrical units have a transmitting and receiving unit and a control unit, which are used to establish a radio link, in particular a Bluetooth connection serve.

It is advantageous according to the embodiment of claim 25, that via the electrical and mechanical contacts the power supply of the mobile phone located in the holder is done and that is selectable via a selection unit, whether the electrical and mechanical units of the holder via an existing power supply unit in the mobile phone or via an external power supply unit, which via electrical / mechanical interfaces the holder ( 1 ) can be supplied takes place.

Advantageous according to the embodiment according to claim 26 is that the electrical and / or mechanical interfaces in the holder are interchangeable to adapt to the different mobile Customizable phones.

Advantageous according to the embodiment of claim 27 is that the first and second side guides on different housing dimensions of the mobile phone customizable are.

Advantageous according to the embodiment according to claim 28 is that the holder is made of plastic.

Advantageous according to the method of claim 29 is that the mobile phone when inserting into the holder with his upper edge is placed on the compressible element and the back of the mobile phone is placed on the second housing part and by means of the mobile telephone, which rests against the compressible element, the second housing part of the first housing part is pulled out, or the plate which is rigid with the second housing part or firmly connected is pulled out of the first housing part is, which spans the spring element, and as soon as the length of the mobile phone in the first housing part insertable is, selbiges by means of the spring force of the spring element when releasing of the mobile phone is pulled into the holder and so the contact points the mobile phone contact the contact points in the first housing part.

Advantageous according to the embodiment according to claim 30 is that the force by means of which contacts the contact points be adjustable via the spring element.

in the Further, the invention will now be described with reference to a concrete embodiment described in more detail with reference to figures.

It demonstrate:

1 a top view of the holder,

2 a top view of the holder with inserted mobile phone,

3 a side view of the holder in the state without inserted mobile phone,

4 the state of the holder when the mobile phone is placed in the holder with the mobile phone in the insertion phase,

5 a side view of the holder with inserted mobile phone,

6 another view of a keeper,

7 a plan view of the holder 6 , wherein in comparison two states of the holder are shown.

In the figures 1 to 7 each same elements are provided with the same reference numerals, which serves the clarity of the invention, especially the individual figures 1 to 7 illustrate the invention in various views and embodiments.

In the individual figures 1 to 7 Not all elements are provided with reference numerals, only the elements are provided with reference numerals, which are essential for the understanding of the respective figure and which are also shown in the figure and recognizable.

1 shows a plan view of the holder according to the invention 1 , The holder 1 consists of two housing parts, a first housing part 3 and a second housing part 4 , In the holder 1 is a mobile phone 2 insertable. The holder 1 serves to accommodate the mobile phone 2 and is preferred way mounted at a fixed location, preferably in a motor vehicle. There is the holder 1 via mechanical and / or electrical interfaces 14 connected to the electrical system. Furthermore, a in 1 Unillustrated connection for a cable for an external antenna, also not shown.

In a fixed installation of the holder, the first housing part ( 3 ) at the installation fixed or detachably connected thereto.

The first housing part 3 is the second housing part 4 connected slidably mounted. The second housing part 4 can in the first housing part 3 pushed in and pulled out of this. Both housing parts 3 . 4 are about a spring element, which in 1 not shown, interconnected. Furthermore, guides are provided which the sliding movement of the first housing part 3 to the second housing part 4 to lead. Will the second housing part 4 from the first housing part 3 pulled out, so builds on the spring element on a tensile force, which counteracts this movement. Will the second housing part 4 from the first housing part 3 pulled out and released again, it is about the force of the spring element after releasing into the first housing part 3 withdrawn.

In the second housing part 4 is an antenna 5 arranged. This antenna 5 serves for the coupling with the antenna in the mobile telephone 2 , The antenna 5 has taps which are in 1 are not shown. These taps conduct the signals coming from the antenna 5 be received and correspond to the antenna signals, which radiates the antenna present in the mobile phone, via the coaxial cable, which in 1 not shown, to the external antenna. This then emits the signals. In this way, the antenna signals of the mobile phone 2 led to the external antenna.

In addition, not shown, are in the holder 1 electrical and / or mechanical units are present which the mobile phone 2 contact and in retracted position in the holder 1 provide with energy and other data.

On the second housing part 4 is a stop 7 intended. This stop 7 serves to make the second housing part 4 not via the spring element in the first housing part 3 is completely retracted. The spring element has a bias, so that the first and second housing part ( 4 . 3 ). At the stop 7 is still a headband 8th arranged. The headband 8th is about a camp 9 90 ° to the plane of the second housing part 4 Folds and locks in a 90 ° position at right angles to the plane of the second housing part 4 one. On the holder 8th is still a compressible element 10 , which is preferably designed as a damping element provided. The headband 8th serves as a holder and lock for a mobile phone inserted 2 , The headband 8th is in 1 shown in 90 ° position.

2 now shows a in the holder 1 inserted mobile phone 2 , In 2 is evident that about the kompessible element 10 and the headband 8th the mobile phone 2 is held at the top. At the same time it can be seen that the antenna in the mobile phone 2 , which is arranged in its upper region, on the antenna 5 in the holder 1 comes to rest.

In 3 is the holder 1 with unfolded headband 8th and in the inserted state of the second housing part 4 in the first housing part 3 shown. It can be seen that the attack 7 of the second housing part 4 on the first housing part 1 is applied.

In 4 is the condition of the owner 1 represented in which the holder 1 located when the mobile phone 2 in the holder 1 is used. The mobile phone 2 is with its upper edge 13 to the headband 8th with its compressible element 10 where the compressible element 10 is not visible, led. The second housing part 4 will be with the mobile phone 2 pushed up and out of the first housing part 3 pulled out. As soon as the second housing part 4 from the first housing part 3 so far pushed out that the mobile phone 2 with its length completely in the second housing part 4 The mobile phone can come to rest 2 be let go. Due to the force of the spring element then the mobile phone 2 together with the second housing part 4 in the first housing part 3 inserted. There are in the first housing part 3 existing electrical and mechanical interfaces, which to the appropriate mobile phone 2 correspond, contacted with a predetermined force, which corresponds to the force which is adjustable via the spring element. In a preferred embodiment, the spring element is set with a defined preload. Incoming antenna signals are received from the external antenna, not shown, to the antenna 5 in the holder 1 transmitted and from this antenna 5 into the antenna of the mobile phone 2 coupled and received. The mobile phone 2 processes these signals and outputs the speech signals or data signals obtained from the signal via the mechanical and / or electrical interfaces located in the holder 1 are present, at appropriate points in the vehicle, for example, to the handsfree on and there the signals are then processed and played back. In others Direction z. B. speech signals, which a user of the holder 1 located mobile phone 2 enters into a device provided for this, to the elements in the holder 1 transfer. These signals are sent to the mobile phone 2 This converts the signals into antenna signals and emits them via the integrated antenna. These antenna signals are transmitted through the coupling to the holder 1 integrated antenna 5 transmitted and coaxial cable to the external antenna, as already described.

By this arrangement, the radiation of the mobile phone 2 reduced to the environment. To further enhance this effect, it is provided that a capacitive coupling between the antennas takes place. Furthermore, it is provided that in the holder 1 Shielding elements are provided which prevent signals are emitted via the antenna of the mobile phone.

For better guidance of the mobile phone 2 when inserted into the holder 1 are external guides 11 and 12 intended. These guides are based on the particular model of the mobile phone 2 customizable.

6 shows a further embodiment of the holder according to the invention 1 , In 6 is the holder 1 shown in a side view. The holder 1 consists of the two housing parts 3 . 4 , The housing parts 3 . 4 are mutually displaceable and a plate 16 connected with each other. On the plate 16 is the antenna 5 arranged. Will the second housing part 4 from the first housing part 3 pushed away, or pulled out of this, so is a connection between the two on the plate 16 held. The plate 16 is fixed to the second housing part 4 connected and displaceable in the first housing part 3 stored. It can thus be over the plate 16 the second housing part 4 from the first housing part 3 be pulled out. The plate 16 is in the first housing part 3 via the already described spring mechanism with the first housing part 3 connected. But it is also provided in a further embodiment of the invention to the force on the plate 16 to reduce that spring element between the first and the second housing part 3 . 4 is connected. Will now be the first housing part 3 to the second housing part 4 displaced so builds against the displacement force on a return force, which the second housing part 4 again to the first housing part 3 draws.

Substantial difference to the holder 1 according to the embodiment according to 1 to 5 is that both housing parts 3 . 4 over the plate 16 are connected and on the plate 16 the antenna 5 is arranged. In a preferred embodiment of the invention is in the plate 16 around a circuit board.

Furthermore, in the holder 1 a connection element 15 represented, which represents a mechanical and / or electrical interface, which with a mobile phone, which in the 6 is not shown when inserting the mobile phone in the holder 1 produces the electrical and / or mechanical connection.

Furthermore, in an advantageous embodiment of the headband 8th rigid with the second housing part 4 connected, leaving a storage of the retaining bracket 8th can be omitted via a warehouse.

The headband 8th continue to know a compressible element 10 on, which serves as a damping element, which when inserting the mobile phone in the holder 1 the mobile phone 2 from scratching, such as scratching, protects while maintaining a secure attitude of the mobile phone 2 in the holder 1 guaranteed.

Furthermore, the external guides 11 . 12 recognizable, which the mobile phone in the holder 1 to lead. The holder 1 does not have a cavity in which the mobile phone is introduced, but the attitude and fixation of the mobile phone 2 is about the locking and holding nose 17 and the side guides 11 . 12 performed.

In 7 is the holder 1 out 6 shown in two states, on the one hand shows the upper figure in 7 the holder 1 in which the second housing part 4 from the first housing part 3 is ejected. This illustration adjusts the plan view 6 on the holder 1 It is further evident that the plate 16 almost over the entire width of the holder 1 extends. The antenna 5 is not shown.

The second illustration in 7 shows the holder 1 again in plan view, with the plate 16 - Not visible in this illustration - in the first half of the housing 4 is inserted.

1

holder

2

mobile phone

3

first housing part

4

second housing part

5

antenna

6

facing away page

7

attack

8th

headband

9

storage

10

kompessibles element

11

external guide

12

external guide

13

upper Edge of the mobile phone

14

external interface

15

connecting element

16

plate

17

latching and retaining nose

QUOTES INCLUDE IN THE DESCRIPTION

This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Cited patent literature

• - DE 10131169 A1 [0002]
• - DE 20109765 U1 [0003]

Claims (30)

Holder ( 1 ) for a mobile phone ( 2 ) with a holder ( 1 ) integrated antenna ( 5 ), whereas those in the holder ( 1 ) integrated antenna ( 5 ) the antenna of the mobile phone ( 2 ) is electrically coupled. Holder ( 1 ) according to claim 1, characterized in that by means of the holder ( 1 ) integrated antenna ( 5 ) and the antenna in the mobile phone ( 2 ) Signals from the holder ( 1 ) to the mobile phone ( 2 ) and from the mobile phone ( 2 ) to the holder ( 1 ) are transferable. Holder ( 1 ) according to claim 1 or 2, characterized in that in the holder ( 1 ) integrated antenna ( 5 ) in the mobile phone ( 2 ) arranged antenna coupled capacitively. Holder ( 1 ) according to one or more of claims 1 to 3, characterized in that in the holder ( 1 ) integrated antenna ( 5 ) is a flat antenna or a sheet-shaped metallic conductor that vibrates at a predefined resonant frequency. Holder ( 1 ) according to one or more of claims 1 to 4, characterized in that in the holder ( 1 ) integrated antenna ( 5 ) is a capacitive antenna. Holder ( 1 ) according to one or more of the preceding claims, characterized in that the holder ( 1 ) of two housing parts ( 3 . 4 ), wherein the second housing part ( 4 ) to the first housing part ( 3 ) is displaceable. Holder ( 1 ) according to one or more of the preceding claims, characterized in that the first housing part ( 3 ) with the second housing part ( 4 ) over a plate ( 16 ), which rigidly connected to the second housing part ( 4 ) and displaceable to the first housing part ( 3 ). Holder ( 1 ) according to one or more of the preceding claims, characterized in that the holder ( 1 ) integrated antenna ( 5 ) Component of the second housing part ( 4 ). Holder ( 1 ) according to one or more of the preceding claims 1 to 7, characterized in that the integrated antenna ( 5 ) on the plate ( 16 ) is arranged. Holder ( 1 ) according to one or more of the preceding claims, characterized in that the second housing part ( 4 ) via a guide and by means of a spring element with the first housing part ( 3 ) connected is. Holder ( 1 ) according to one or more of the preceding claims 1 to 9, characterized in that the spring element on the plate ( 16 ) and the first housing ( 3 ) is attached. Holder ( 1 ) according to one or more of the preceding claims, characterized in that on the second housing part ( 4 ) an attack ( 7 ) is arranged, which prevents the second housing part ( 4 ) completely into the first housing part ( 3 ) can be inserted. Holder ( 1 ) according to one or more of the preceding claims, characterized in that the stop ( 7 ) a headband ( 8th ), which is rigid with the stop ( 7 ), or the headband ( 8th ) about a storage ( 9 ) by 90 ° to the second housing part ( 4 ) is foldable and the headband ( 8th ) in the 90 ° unfolded state into a holding position. Holder ( 1 ) according to one or more of the preceding claims, characterized in that on the headband ( 8th ) a compressible element ( 10 ) is arranged. Holder ( 1 ) according to one or more of the preceding claims, characterized in that the spring element has the least force when the second housing part ( 4 ) in the first housing part ( 3 ) until the stop ( 7 ), or the plate ( 16 ) almost completely into the first housing part ( 3 ) is inserted and the tensile force of the spring element increases when the second housing part ( 4 ) from the first housing part ( 3 ) is pushed out of this position or moved. Holder ( 1 ) according to one or more of the preceding claims, characterized in that the first housing part ( 3 ) has a cavity into which the mobile telephone ( 2 ) is at least partially insertable, and that this cavity at least partially the mobile phone ( 2 ) encloses positively. Holder ( 1 ) according to one or more of the preceding claims, characterized in that the first housing part ( 3 ) first and second lateral guides ( 11 . 12 ), which provides additional fixation and guidance of the mobile telephone ( 2 ) when inserted into the holder ( 1 ) cause. Holder ( 1 ) according to one or more of the preceding claims, characterized in that the holder ( 1 ) integrated antenna ( 5 ) near the stop ( 7 ) is arranged. Holder ( 1 ) according to one or more of the preceding claims 1 to 17, characterized in that the holder ( 1 ) integrated antenna ( 5 ) at the location in the second housing part ( 4 ) or the Plate ( 16 ), which directly corresponds to the location of the antenna in the mobile telephone ( 2 ) which it occupies when the mobile phone ( 2 ) in the holder ( 1 ) is inserted. Holder ( 1 ) according to one or more of the preceding claims, characterized in that the first housing part ( 3 ) has electrical and / or mechanical contacts which on the mobile phone ( 2 ) contact existing electrical and / or mechanical contacts when the mobile telephone ( 2 ) in the holder ( 1 ) is inserted. Holder ( 1 ) according to claim 17, characterized in that the electrical and / or mechanical contacts for each mobile telephone ( 2 ) are carried out according to standard. Holder ( 1 ) according to one or more of the preceding claims, characterized in that in the first and / or second housing part ( 3 . 4 ) Shields are present during operation of the mobile telephone ( 2 ) shield the electrical signals emitted by the phone's antenna. Holder ( 1 ) according to one or more of the preceding claims, characterized in that in the holder ( 1 ) electrical units are present, which with other external, not in the holder ( 1 ) communicate with integrated electrical units. Holder ( 1 ) according to claim 20, characterized in that the electrical units are a transmitting and receiving unit and a control unit, which serve for establishing a radio connection, in particular a Bluetooth connection. Holder ( 1 ) according to one or more of the preceding claims, characterized in that via the electrical and mechanical contacts the power supply of the holder ( 1 ) ( 2 ) and that is selected via a selection unit, whether the electrical and mechanical units of the holder ( 1 ) via a mobile phone ( 2 ) existing power supply unit or external power supply units, which via electrical and / or mechanical interfaces to the holder ( 1 ) are supplied, takes place. Holder ( 1 ) according to one or more of the preceding claims, characterized in that the electrical and / or mechanical interfaces in the holder ( 1 ) are interchangeable to access the different mobile phones ( 2 ) to be customizable. Holder ( 1 ) according to one or more of the preceding claims, characterized in that the first and second lateral guides ( 11 . 12 ) on different housing dimensions of the mobile phone ( 2 ) are customizable. Holder ( 1 ) according to one or more of the preceding claims, characterized in that it consists of plastic. Method for inserting a mobile telephone ( 2 ) in a holder ( 1 ) according to one or more of the preceding claims, wherein the mobile telephone ( 2 ) when inserted into the holder ( 1 ) with its upper edge ( 13 ) to the compressible element ( 10 ) and the back of the mobile phone ( 2 ) on the second housing part ( 4 ) and by means of the mobile telephone ( 2 ) attached to the compressible element ( 10 ) rests, the second housing part of the first housing part ( 3 ) or the plate ( 16 ), which with the second housing part ( 4 ) is rigidly or firmly connected from the first housing part ( 3 ) is pulled out, whereby the spring element spans, and as soon as the length of the mobile phone ( 2 ) in the first housing part ( 3 ) is insertable, the same by means of the spring force of the spring element when released into the holder ( 1 ) and so the contact points of the mobile phone ( 2 ) the contact points in the first housing part ( 3 ) to contact. Method according to claim 29, characterized that the force by means of which the contact points are contacted via the spring element is adjustable.