RU38258U1 - CAR SPEAKER FOR MOBILE PHONE - Google Patents

Description

CAR SPEAKER FOR MOBILE PHONE

The utility model relates to mobile telephony and can be used in telephone conversations, for example, while driving a vehicle.

A car speakerphone is known for a CARK 132 mobile phone (Technical Description, Issue 1.0 09/01 N 0275517, Nokia Corporation), consisting of a power and control unit, to which a speaker, a microphone, and a mobile phone holder are connected via cables. The disadvantage of this device is the complexity of its installation and the difficulty of attaching to the internal elements of the vehicle interior a large number of components of the device. In addition, the mounting of the device components in the cabin is made without the possibility of their rapid disconnection. Given that the driver can use various cars, as well as the fact that the device left in the cabin is a certain temptation for robbers, this design feature of the device is its drawback.

A car hands-free device for a mobile phone is known (US patent Ho6058184, priority 02.05.2000), comprising a loudspeaker and an electronic circuit for processing signals from a cable connected to the device

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IPC H04Q 7/32 mobile phone, as well as a microphone connected to an electronic circuit and

placed on the body with the possibility of extension, for example, in the direction of the face of the driver. The power supply of this device is carried out through the cigarette lighter socket of the car, for which the device is equipped with a connector structurally connected to the device body and securing the device as a whole, as well as the body tilts to a small extent for the purpose of its best orientation with respect to the driver. The disadvantage of this device is the low quality of the speakerphone, caused by the spatial proximity of the speaker of the speaker to the microphone, which in many cases can lead to interference and the appearance of the echo effect for the subscriber with whom the driver conducts a telephone conversation over the speakerphone. In addition, the placement of the device in the car could not be other than in the area immediately adjacent to the cigarette lighter socket, which is not always convenient for the driver. In addition, this device does not include a mobile phone holder, which requires an additional mounting unit in the vehicle interior.

Closest to the proposed utility model and selected for the prototype is a car speakerphone for a mobile phone (US patent No. 6138041, priority from 10.24.2000). This device consists of a main module with a mobile phone holder, the housing of which contains a loudspeaker and an electronic control circuit, as well as a microphone and a module for attaching the main module to the cigarette lighter socket. The mounting module in this device additionally performs

2 4 function of the connector that provides power to the device through the cigarette lighter socket from the vehicle electrical system. In addition, the mounting module, having a movable joint with the main module of the device, also provides the inclination of the main module in small limits with the aim of its best orientation with respect to the driver. The disadvantage of the prototype is the inconvenience of its use, associated with the limitation of the possible location of the device in the vehicle interior exclusively to the area adjacent to the cigarette lighter socket. The task to which the proposed utility model is directed is to provide the possibility of arbitrary placement of the speakerphone for a mobile phone in the passenger compartment to achieve ease of use, call quality, ease of disconnection for removal from the passenger compartment, as well as the reliability of its fastening. The problem is solved by achieving a technical result consisting in the use of mod.11ya of a hands-free device, which provides the necessary reliability of connecting the main module of the device with the structural elements of the car interior, combined with the ease of disconnecting them. At the same time, the use of a separate mounting module makes it possible to place the main module of the device in an arbitrary place convenient for the user. This technical result is achieved by the fact that in the car speakerphone for a mobile phone, consisting of a main module with a mobile phone holder, in the housing of which there are 3

a loudspeaker and an electronic control circuit, as well as a microphone and a module for attaching the main module to the inner element of the passenger compartment, the main module is detachable from the fastening module, the fastening module contains two elastic latches, and the main module is equipped with latches and two movable buttons corresponding to these latches, which are installed in the housing of the main module in a position that provides mechanical contact with the elastic latches when installing the main module on the mounting module. The housing of the main module is equipped with a recess with inclined side surfaces, the angle between which ensures the deformation of the latches of the fastening module within their elasticity, as well as a group of spring-loaded electrical contacts located in this recess. Accordingly, the fastening module is equipped with a group of electrical contacts arranged so that when the main module is installed on the heating module 1, each pair of contact groups of the main module and the fastening module is closed.

In addition, for the best orientation of the main module with a mobile phone fixed in its holder relative to the driver, the claimed utility model may further comprise a support articulated to the fastening module through a hinge with the possibility of fixing the fastening module.

The device is powered from the vehicle’s electrical network via a power cable connected to the mount module. To improve the quality of communication, the device may be equipped with a remote microphone. In this case, the remote microphone through the cable can be connected to the mount module.

The essence of the utility model is disclosed by figures 1-3. Figure 1 presents a General view of an automobile hands-free device for a mobile phone. Figure 2 presents a sectional view of a mechanical detachable connection of the main module of the device with the mounting module. On Fig.3 shows the main module of the device in a rotated position.

In FIG. 1-3, the main module 1 with a holder 2 of a mobile phone 3 is shown, in the housing of which there is a loudspeaker and an electronic control circuit, a fastening module 4, a microphone 5 and a power connector 6 connected by cables 7 and 8, respectively, to the fastening module 4. For simplicity installation and reliable connection of the main module 1 with module 4, as well as for the convenience of disconnecting them, the mounting module 4 contains two elastic latches 9,10, which correspond to two latches 11,12 and two movable buttons 13,14 on the main module 1. The main body module 1 sn bzhen recess 15 with inclined side surfaces 16,17, the angle between which provides the deformation latches 9.10, when installing the main unit 1 at the fixing unit 4 within their elasticity. In the recess 15 of the housing of the main module 1 is a group of spring electrical contacts 18, which corresponds to a group of electrical contacts 19 on the mounting module 4.

In addition, the device may further comprise a support 20, articulated with the fastening module 4 through a hinge with the possibility of fixing the fastening module 4, for example, using the locking device 21.

The inventive utility model works as follows. When installing a car speakerphone for a mobile phone in the passenger compartment

First of all, the car user selects the place where the acoustic communication parameters are the best, access to the mobile phone controls is convenient, the device itself does not interfere with the driver and passengers. Next, in this place of the cabin, the fastening module 4 is placed, connect it to the vehicle electrical system, for example, through connector 6 with cable 8. If necessary, use an external microphone 5, also connecting it via cable 7 to the fastening module 4. When installing the main device module 1 on the fastening module 4, the user of the device combines the inclined surfaces 16.17 of the main module 1 with the elastic latches 9.10 of the fastening module 4 and, pressing them against each other, fixes the latches 9.10 on the latches 11,12. At the same time, due to the inclination of the surfaces 16.17, the elastic latches 9.10 are compressed at first, and when they coincide with the level of the latches, 11.12 diverge, fixing the position of module 1. At the same time, contact groups 18 and 19 are closed. Mobile phone 3 is installed on the main module 1, connected to it and fixed in the holder 2. After that, the device is in working condition and can function. In the event of a call, the driver can communicate by telephone using his hands only to drive a vehicle. Leaving the car interior, the driver can press the buttons 13,14 to remove the latches 9,10 from a fixed state. In this case, due to the spring version of the contacts 18, the main module 1 will be disconnected from the fastening module 4. To provide the most convenient access to the controls of the mobile phone 3, mounted in the holder 2 of the main module 1, the user has the ability to change the position of the main module 1 by rotating and tilting the module mounts 4 relatively fixed and connected

with the interior element of the passenger compartment of the vehicle 20. In the most convenient position, the attachment module 4 can be fixed using, for example, a locking screw 21.

Thus, on the basis of the foregoing, the totality of the claimed features ensures the achievement of the specified technical result and allows solving the task, namely, it provides the possibility of arbitrary placement of the device in the passenger compartment to achieve maximum ease of use, the best communication quality, ease of disconnection for removal from the car, as well as reliability its attachment to the interior elements of the cabin.

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Claims (2)

1. Car speakerphone for a mobile phone, consisting of a main module with a mobile phone holder, in the housing of which is placed a loudspeaker and an electronic control circuit, as well as a microphone and a module for attaching the main module to the internal elements of the car interior, characterized in that the main module is made with the possibility of disconnecting from the mounting module, the mounting module contains two elastic latches, the main module is equipped with latches corresponding to these latches and two movable buttons installed in the housing of the main module in a position that provides mechanical contact with the elastic latches when installing the main module on the fastening module, the main module body is provided with a recess with sloping side surfaces, the angle between which ensures the deformation of the latches of the fastening module within their elasticity when installing the main module on the mounting module, and a group of spring-loaded electrical contacts located on the main module housing in the indicated recess, the mounting module is equipped with an electric connectors for connecting the remote microphone cable and the power cable, as well as a group of electrical contacts arranged so that when the main module is mounted on the mounting module, each contact of the group of spring electrical contacts placed on the main module housing is in electrical contact with the corresponding contact of the group electrical contacts of the mounting module. 2. The car speakerphone for a mobile phone according to claim 1, characterized in that it further comprises a support articulated with the fastening module through a hinge with the possibility of fixing the fastening module.