JPH0729981U - In-vehicle adapter for mobile phones - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide an in-vehicle adapter for a mobile phone capable of satisfactorily listening to sound without installing a dedicated speaker in the vehicle. [Structure] A microphone 8 is connected to an in-vehicle adapter 2 for accommodating and holding a mobile phone 6 in a vehicle, and a voice in the vehicle is picked up by the microphone 8 and transmitted to the other party. Also,
The cassette adapter 10 is connected to the vehicle-mounted adapter 2, and the ringing tone and the voice transmitted from the other party are output from the audio speaker 4 from the cassette adapter 10 via the cassette deck 3. That is, unlike the prior art, since the existing audio speaker 4 is used to output the voice of the other party, it is not necessary to provide a speaker dedicated to the telephone in the vehicle. As a result, the installation cost of the dedicated speaker becomes unnecessary, and
The appearance inside the car can be kept good.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an adapter that enables a mobile phone to be used as a car phone.

[0002]

[Prior art]

 In recent years, mobile phones, which have become widespread, can also be used as car phones by using an in-vehicle adapter for mobile phones. This on-vehicle adapter for a mobile phone is usually arranged in a console box or the like between the driver's seat and the passenger seat, and the mobile phone is housed and held inside this. An external antenna installed outside the vehicle is connected to this in-vehicle adapter for mobile phones, and when the mobile phone is stored in the adapter, communication radio waves are transmitted and received from the external antenna instead of from the built-in antenna of the mobile phone. It is like this.

Further, when the mobile phone is housed and held in the mobile phone in-vehicle adapter, the mobile phone is a so-called hands-free phone that can talk with the other party without having the main body of the phone. In this case, the voice inside the vehicle is output from the microphone attached to the sun visor, and the voice of the other party is output from the speaker provided in the door.

[0004]

[Problems to be solved by the device]

 However, in the conventional in-vehicle adapter for a mobile phone, since the speaker is a dedicated speaker that is attached later in addition to the in-vehicle audio device, there is a problem that the external appearance of the interior is damaged and the installation cost is high. To solve this problem, a speaker may be built into the in-vehicle adapter for mobile phones in advance, but in this case the adapter becomes larger and, unlike the type of audio speaker that is attached to the door, There is a problem that it is difficult to hear the voice because it is small.

The present invention has been made to solve the above problems, and an object of the present invention is to provide an in-vehicle adapter for a mobile phone, which is capable of listening well without installing a dedicated speaker in the vehicle. To provide.

[0006]

[Means for Solving the Problems]

 In order to achieve the above object, the present invention provides an in-vehicle adapter for a mobile phone, which is provided in a car of an automobile and holds a mobile phone, in which a communication radio wave received by the mobile phone has a predetermined format corresponding to an acoustic device in the car. It was equipped with a transmitter that converts the signal to a sound signal and sends the signal to the audio equipment, and was configured to output the communication signal as audio from the audio equipment.

[0007]

[Action]

 Therefore, since the voice can be output using the existing audio speaker in the vehicle, it is not necessary to provide a speaker dedicated to the telephone in the vehicle. As a result, the cost of installing the dedicated speaker is eliminated, and the appearance inside the vehicle can be maintained in good condition. Furthermore, since the audio speaker with good sound quality can be used, the other party's voice can be heard well.

[0008]

【Example】

 First Embodiment Hereinafter, a first embodiment embodying the present invention will be described with reference to the drawings.

FIG. 2 is a partial cross-sectional perspective view showing the inside of the automobile C. Between the driver's seat D and the passenger seat S, a console box 1 for accommodating small items such as cassette tapes is installed. On the upper surface of the console box 1, an in-vehicle adapter for mobile phone (hereinafter referred to as an on-vehicle adapter) 2 is attached. In addition, a cassette deck 3 with a built-in tuner is installed in the vehicle. Further, an audio speaker 4 for outputting the reproduced sound from the cassette deck 3 is installed in the vehicle. The cassette deck 3 and the audio speaker 4 constitute an audio device.

As shown in FIG. 1, the vehicle-mounted adapter 2 has an antenna terminal (not shown), and an external antenna 5 attached to the trunk lid of the automobile C is connected to the antenna terminal. By storing and holding the mobile phone 6 in the vehicle-mounted adapter 2, the mobile phone 6 is connected to the external antenna 5 via the antenna terminal. Thereby, the transmission / reception of radio waves is switched from the built-in antenna 7 of the mobile phone 6 to the external antenna 5, and the transmission / reception of radio waves is favorably performed.

As shown in FIGS. 1 and 2, a condenser microphone (hereinafter referred to as a microphone) 8 is attached to the sun visor 9 on the driver's seat D side and is connected to a terminal (not shown) of the vehicle-mounted adapter 2. . By accommodating and holding the mobile phone 6 in the in-vehicle adapter 2, the mobile phone 6 is connected to the microphone 8 via the terminal.

A well-known cassette adapter 10 as a transmitter is connected to a terminal (not shown) of the vehicle-mounted adapter 2. By accommodating and holding the mobile phone 6 in the in-vehicle adapter 2, the mobile phone 6 is connected to the cassette adapter 10 via the terminal of the adapter 10. The cassette adapter 10 has a shape similar to that of a tape cassette and has a head 11 similar to the recording head used in a tape recorder. The cassette adapter 10 is inserted from the tape insertion opening 12 of the cassette deck 3.

By inserting the cassette adapter 10 into the cassette deck 3, the head 11 of the cassette adapter 10 and the reproducing head 13 of the cassette deck 3 come into contact with or come close to each other. The cassette adapter 10 transmits the call signal from the mobile phone 6 as a magnetic signal from the head 11. The cassette deck 3 is adapted to read a magnetic signal output from the head 11 of the cassette adapter 10 with the reproducing head 13 and output the magnetic signal as an audio signal from the audio speaker 4. Then, the mobile phone 6 is automatically switched to a hands-free mode in which the mobile phone 6 can be used for talking while the mobile phone 6 is housed in the in-vehicle adapter 2.

Next, the operation and effect of this embodiment will be described. First, the cassette adapter 10 is inserted into the cassette deck 3, and the mobile phone 6 is housed and held in the in-vehicle adapter 2. When a call is received in this state, a communication signal is input to the mobile phone 6 via the external antenna 5. Then, the communication signal is transmitted as a magnetic signal from the head 11 of the cassette adapter 10 and read by the reproducing head 13 of the cassette deck 3. The magnetic signal read by the reproducing head 13 is further converted into a voice signal and then sounded as a ringing tone by the audio speaker 4. When the call key K provided on the mobile phone 6 is turned on, the ringing tone is stopped, the line with the other party is connected, and the call becomes possible.

The voice in the vehicle is picked up by the microphone 8 mounted on the sun visor 9 and transmitted from the external antenna 5 via the in-vehicle adapter 2 and the mobile phone 6. The voice of the other party is received by the external antenna 5 and converted into a magnetic signal by the cassette adapter 10 via the mobile phone 6 and the in-vehicle adapter 2. Then, the magnetic signal is converted into an audio signal by the cassette deck 3 and then output from the audio speaker 4.

As described above, in the present embodiment, the microphone 8 is connected to the vehicle-mounted adapter 2 that accommodates and holds the mobile phone 6 in the vehicle, and the voice in the vehicle is picked up by the microphone 8 and transmitted to the other party. . Further, the cassette adapter 10 is connected to the in-vehicle adapter 2, and the ringing tone and the voice transmitted from the other party are output from the cassette adapter 10 through the cassette deck 3 from the audio speaker 4. That is, in this embodiment, the microphone 8 mounted on the sun visor 9 serves as a transmitter of the mobile phone 6, and the audio speaker 4 serves as a receiver of the mobile phone 6.

Therefore, in the present embodiment, unlike the prior art, the existing audio speaker 4 is used to output the voice of the other party, so that it is necessary to provide a speaker dedicated to the telephone in the vehicle. Absent. As a result, there is no need to install a dedicated speaker, and the interior appearance of the vehicle can be kept good. Further, since the audio speaker 4 having high sound quality and high output is used, the voice of the other party can be heard well even if the noise of the engine is large. (Second Embodiment) Next, a second embodiment of the present invention will be described with reference to FIG. In this embodiment, the same members as those in the first embodiment are designated by the same reference numerals and their description is omitted.

As shown in FIG. 3, the vehicle-mounted adapter 2 has a built-in FM transmitter 21 as a transmitter. An output antenna 22 connected to the FM transmitter 21 is mounted outside the vehicle-mounted adapter 2. When the mobile phone 6 receives a communication signal, the FM transmitter 21 converts the communication signal into an FM radio wave of a predetermined band and outputs the FM radio wave via the output antenna 22. The FM radio wave output from the output antenna 22 is received by the tuner section in the cassette deck 3 via the tuner input antenna 23 provided in, for example, a rear window (not shown) of the automobile C, and output from the audio speaker 4. It

That is, in the above-described first embodiment, the ringing tone and the voice of the partner are output from the audio speaker 4 from the cassette adapter 10 via the cassette deck 3. On the other hand, in this embodiment, the FM transmitter 21 transmits the ringing tone and the voice of the other party to the tuner section of the cassette deck 3 as radio waves and outputs them from the audio speaker 4.

Therefore, also in this embodiment, the ringing tone and the voice transmitted from the other party are output from the audio speaker 4. Therefore, it is not necessary to provide a speaker for the telephone only in the vehicle, the cost for installing the dedicated speaker is eliminated, the appearance inside the vehicle can be maintained well, and the voice of the other party can be heard well. In particular, in this embodiment, since radio waves are used to transmit the ringing tone and the other party's voice to the cassette deck 3, the code between the vehicle-mounted adapter 6 and the cassette deck 3 becomes unnecessary, There are no problems such as disconnection.

The present invention is not limited to the above-mentioned embodiment, and may be configured as follows, for example, within the scope of the invention. (1) In each of the above embodiments, the microphone 8 connected to the in-vehicle adapter 2 is attached only to the sun visor 9 on the driver's seat D side, but it is also attached to the sun visor 9 on the passenger seat S side, or in the vicinity of the rear seat, etc. The mounting position may be appropriately changed, for example, by providing a plurality of them. Further, the microphone 8 may be embodied as a wireless microphone.

(2) In each of the above-described embodiments, the ring tone and the voice are output from the audio speaker 4 via the cassette deck 3. On the other hand, the in-vehicle adapter 2 may have a built-in main amplifier, and the in-vehicle adapter 2 and the audio speaker 4 may be directly connected to each other so that the audio speaker 4 outputs sound or the like.

(3) In each of the above embodiments, the cassette deck 3 with a built-in tuner is used as the audio equipment, but the tuner, the cassette deck, and the amplifier are separate so-called component-type audio equipment. May be turned into.

(4) In the first embodiment, the transmitting device provided in the in-vehicle adapter 2 is embodied by the cassette adapter 10. However, when the cassette deck 3 is formed with a microphone plug insertion port, The transmitting device may be embodied as a device including a microphone plug.

[0025]

[Effect of device]

 As described in detail above, according to the present invention, it is possible to effectively listen to the other party's voice by using the existing audio equipment in the vehicle without installing a dedicated external speaker in the vehicle. Play.

[Brief description of drawings]

FIG. 1 is a plan view and a schematic electrical configuration showing a state in which a mobile telephone is housed in a mobile telephone vehicle-mounted adapter according to a first embodiment of the present invention.

FIG. 2 is a partial cross-sectional perspective view of the interior of the vehicle.

3A and 3B are a plan view and a schematic electric configuration block diagram showing a state in which a mobile phone is housed in a mobile phone vehicle-mounted adapter according to a second embodiment.

[Explanation of symbols]

2 ... In-vehicle adapter for mobile phone, 3 ... Cassette deck constituting audio equipment, 4 ... Audio speaker constituting audio equipment, 6 ... Mobile telephone, 10 ... Cassette adapter as transmitter, 21 ... FM transmitter as transmitter , C ... Car

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI technical display location B60R 11/02 S 8012-3D H04Q 7/32

Claims (1)

[Scope of utility model registration request] 1. An in-vehicle adapter for a mobile phone, which is provided inside a car and holds a mobile phone, converts communication radio waves received by the mobile phone into a signal of a predetermined format corresponding to an audio device in the car, and An in-vehicle adapter for a mobile phone, which is provided with a transmission device that sends a signal to an audio device and is configured to output a communication signal from the audio device as audio.