Built-in appliance intended for a motor vehicle

Details Built-in appliance intended for a motor vehicle Built-in appliance intended for a motor vehicle

2000-04-29

2004-01-20

Nguyen, Lee (Department: 2682)

Telecommunications

Receiver or analog modulated signal frequency converter

Combined with diverse art device

C455S344000, C455S346000, C455S347000, C307S010100

Reexamination Certificate

active

06681104

ABSTRACT:

FIELD OF THE INVENTION
This invention relates generally to a built-in appliance for a motor vehicle, and in particular a motor vehicle radio telephone, with a operating element for actuating a function of the built-in appliance. The built-in appliance also has an introduction orifice designed for the insertion of a storage card into a reading unit of the built-in appliance.
BACKGROUND OF THE INVENTION
On modern motor vehicles, built-in appliances for motor vehicles are inserted into push-in compartments already prepared and standardized for this purpose. In addition to the built-in appliances which are present as standard, individual built-in appliances may also be retro-fitted.
Some built-in appliances have an introduction orifice designed for the insertion of a storage card into a reading unit of the built-in appliance. Essential user-specific data is normally contained on such a storage card. After the storage card has been inserted into the reading unit, the data contained on it can be retrieved by the built-in appliance.
One disadvantage of the built-in appliances of the type mentioned above is that the introduction orifice for inserting the storage card is arranged in a rear housing portion of the built-in appliance. Although the storage card is well protected as a result, in order to exchange it the entire built-in appliance has to be taken out of its fastening. There has already been the idea of arranging the introduction orifice in a front housing portion facing the user, in order thereby to make it possible for the storage card to be exchanged more simply. This solution is not feasible, however, because of the multiplicity of operating and indicating elements of the built-in appliance and on account of the resulting small amount of construction space.
Therefore, there is a need for a built-in appliance that facilitates the insertion of a storage card into the reading unit of the built-in appliance, without losing space for operating elements on the face of the operating unit.
Other needs will become apparent upon a further reading of the following description, taken in conjunction with the drawings.
SUMMARY OF THE INVENTION
In one form of the invention, the aforementioned needs are addressed by an introduction orifice arranged on a front side of the built-in appliance, with the front side facing the user. The introduction orifice is capable of being closed by a cover carrying a operating element.
The present invention thereby allows the introduction orifice to be located on a front side of the built-in appliance facing the user, without losing any operating space on the front side. After the storage card has been introduced or extracted, the introduction orifice is closed by means of the cover. The cover at the same time serves as the carrier of an operating element of the built-in appliance, so that the overall space available for operating elements is not reduced.
With the present invention, the introduction and removal of the storage card is simplified considerably due to easy access on the front side of the built-in appliance, so that the storage card can be inserted and removed without difficulty, which removal can also be used for protection against undesirable use of the built-in appliance. Furthermore, built-in appliances of the present invention can be used, for example, in hired vehicles which constantly have different users, for inserting such different users' individual storage cards into the introduction orifice and having all the data on the storage card immediately retrieved by the built-in appliance. A further benefit of the present invention is that when the introduction orifice is covered by the operating element, it is largely protected against environmental influences. The operating element may also have any desired electric switching elements or buttons and, in addition, indicating units.
The cover may be connected electrically to the built-in appliance by contacting. In contrast, a particularly advantage embodiment of the invention is afforded when the operating element is designed to transmit the mechanical actuating force to a switching point arranged on the built-in appliance.
As a result, only pressure forces are transmitted by the operating element arranged on the cover, while the electric contact point(s) are arranged permanently on the built-in appliance. Electric contacting between the cover and the built-in appliance may therefore be dispensed with, and, as a result, possible faults are prevented and operating reliability is increased. In this case, both rotary and pressure forces can be transmitted, while the cover may also be designed, for example, to be essentially transparent or as a light guide.
The actuating force may be transmitted by the cover to the electrical contact points by means of a tappet or a plunger. A preferred form of the cover is designed as a rocker pivotable for the purpose of transmitting the actuating force. Simple force transmission can thereby be achieved, for which only a few structural elements are needed to ensure the reliable transmission of force. For this purpose, the cover and the operating element may also be designed, in particular, as one integral component. At the same time, jamming when the operating element is positioned carelessly is largely ruled out, so that operating reliability can be further increased.
A particularly advantageous embodiment of the invention is achieved in that the cover is fixed in its position by means of a manually actuable catch connection. As a result, on the one hand, the cover can be fixed in the position of use quickly and without difficulty and, on the other hand, the cover can be removed by merely activating the catch connection. For this purpose, the catch connection may have, for example, a displaceable bolt or a bolt moveable counter to the return force of the spring and be capable of being released by means of pressing actuation or sliding actuation.
Another particularly advantageous development of the invention is afforded in that the cover has an area only slightly larger than that of the introduction orifice to be closed. As a result, the cover can be handled easily and at the same time, due to the compact dimensions, can be carried around without difficulty. Furthermore, the remaining space is restricted only insignificantly, so that, during production, structures which are essentially already present can be reused with only minor adaptations.
A particularly beneficial development of the invention is afforded in that the built-in appliance has a guide making it easier to position the cover, whereby the cover has recesses and the built-in appliance has projections engaging into the latter.
The handling of the cover is thereby made considerably easier. In particular, the guide may have a bevel or chamfer, by means of which the cover is led into the correct position. For fixing, the cover can be laid against the built-in appliance merely on one side and subsequently be fixed by means of a pivoting movement during which the guide at the same time prevents the cover from sliding off the built-in appliance.
The storage card may contain individual user data. A particularly beneficial development of the invention is also achieved when the storage card has a coding necessary to operate the built in appliance. Use of the built-in appliance by unauthorized persons can be effectively prevented as a result, in that the operation of the appliance without the corresponding data contained on the storage card is ruled out. The storage card thus serves at the same time for passive theft protection, so that additional protective measures can be largely dispensed with.
In addition, it is also advantageous if the storage card is necessary for putting the vehicle into operation and thus assumes the function of a vehicle key. At the same time, the card may also serve, for example, as a door key for opening the vehicle doors.
In this case, a particularly beneficial embodiment of the invention is also achieved when the storage card is a network card of a radio telephone networ

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