KR19990048723A - Car Audio Devices with Mobile Cordless Phones - Google Patents

Abstract

The present invention relates to a car audio device, and more particularly, to a car audio device in which a mobile wireless telephone is integrated. The car audio device outputs an audio control signal and a telephone control signal corresponding to a selected mode key to a first connection port, and controls a mobile wireless telephone therein to transmit and receive telephone voice in response to selection of the telephone mode. A unit and a second connection port coupled to the first connection port having a mounting guide for mounting the portable unit, and having a built-in tuner and a touch by input of an audio selection control signal input to the second connection port; And an audio set for selectively amplifying and outputting an audio signal and controlling the output of the audio signal by inputting a telephone selection control signal and amplifying and outputting a telephone voice signal received at the same time. By providing an audio device.

Description

Car Audio Devices with Mobile Cordless Phones

TECHNICAL FIELD The present invention relates to a car audio device, and more particularly, to a car audio device in which a mobile phone is integrated.

Typically, automobiles are equipped with many electronic devices. For example, a hands-free kit for a voice call in a hands-free state equipped with a car audio device and a mobile wireless telephone may be mentioned.

Currently, such a car audio device is mounted and used in the center of a dashboard in a vehicle to facilitate driver's operation. These car audio devices are being developed as anti-theft audio, which allows the control panel to be detached to prevent theft.

Anti-theft audio allows you to store and separate the control panel from the audio set that generates various signals for selecting and controlling the car audio mode.In order to operate the audio, the control panel is attached to the front part of the audio set. It is intended to be used. However, the anti-theft audio prevents theft of the audio by detaching the control panel, but it is not easy to store the control panel, and the removed control panel does not have a special use.

In addition, due to the development of the information and communication industry, a lot of hands-free kits are also installed in a vehicle to enable a mobile wireless telephone to be easily used in a vehicle. Clays of the hands-free kit (telephone cradle) is generally used to be attached to the upper portion of the dashboard. The use of such clays facilitates the use of mobile radiotelephones in vehicles, but also provides a cause for impairing the safety of occupants in a vehicle in the event of a crash. When the clay of the hands-free kit is not used as described above, the use of the mobile wireless telephone is not easy while driving, leading to neglect of the front and causing the accident by restricting the driver's behavior.

Accordingly, an object of the present invention is to provide a device that can install and detach a portable unit that can use both an audio control panel and a mobile wireless telephone in car audio.

Another object of the present invention is to provide a car audio device which is integrated with a mobile wireless telephone and can make hands-free calls.

Another object of the present invention is to provide a car audio device that can be integrated with a mobile radio telephone to prevent theft of a vehicle.

The above objects are for outputting an audio control signal and a telephone control signal corresponding to the selected mode key to the first connection port, and in response to the selection of the telephone mode, a mobile unit for transmitting and receiving telephone voice by controlling an internal mobile radio telephone; And a second connection port coupled to the first connection port, having a mounting guide for mounting the portable unit, and selectively selecting a built-in tuner and a touch by input of an audio selection control signal input to the second connection port. An audio set configured to select and amplify and output an audio signal, and to cut off the output of the audio signal by input to a telephone selection control signal and to amplify and output an incoming telephone voice signal. Is achieved by providing

FIG. 1 is an exploded perspective view of a car audio device in which a mobile radio telephone is integrated according to an embodiment of the present invention, and is for explaining a state when a portable potable unit and an audio set are separated.

Fig. 2 is a block diagram of a portable unit according to an embodiment of the present invention, which is for explaining a state of being selectively operated as a control panel of a mobile wireless telephone and audio.

3 is an operation control flowchart of a portable unit according to an embodiment of the present invention, for explaining a state of a control process when operated as an audio control panel or a mobile radio telephone.

FIG. 4 is a block diagram of a car audio set according to an embodiment of the present invention to illustrate an optional operation mode of an audio mode or a hands free mode.

FIG. 5 is a flowchart illustrating an operation control of a car audio set according to an exemplary embodiment of the present invention, to describe a state of a control process when operated in an audio mode or a hands free mode.

6A, 6B, and 6C are front views of the portable unit shown in FIG. 1, illustrating a display example of the indicator in the audio mode, the combined telephone mode, and the disconnected telephone mode.

7A, 7B, and 7C illustrate a state of use of a car audio device in which a mobile wireless telephone is integrated according to an embodiment of the present invention, a state in which a portable unit is used in combination, a state of using a cassette, and a separate use of a telephone. It shows the state of time.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be noted that in the following description, only parts necessary for understanding the operation according to the present invention will be described, and descriptions of other parts will be omitted so as not to obscure the subject matter of the present invention.

FIG. 1 is an exploded perspective view of a car audio device in which a mobile wireless telephone is integrated according to an embodiment of the present invention, and is for explaining a state when a portable unit and an audio set are separated. Referring to FIG. 1, a landing guide 13 having an upper side and an open side is formed in the audio set 12, and the portable unit 14 is mounted in the landing groove 13. In the landing groove 13, a cassette hole into which a second connection port 21 having ports for inputting a telephone voice signal and a power supply voltage and a cassette tape (not shown) is inserted or a cassette tape into which the cassette tape is inserted or removed is removed. 23 is formed. The portable unit 14 is manufactured in a separable form from the audio set 12. The portable unit 14 includes a microphone 22 and a speaker 24 in the left and right sides of the front, and a touch screen panel 26 in the center. The touch screen panel 26 in the portable unit 14 has various types of images and a touch key displayed in the form of a graphical user interface (GUI).

The car audio device configured as shown in FIG. 1 may be used as a mobile wireless phone by separating the portable unit 14 from the audio set 12 or may be mounted in a landing groove 13 of the audio set 12 and used as a control panel or a vehicle phone of the audio set 13. . The operation according to the usage method and the selection mode will be easily recognized by the following description.

FIG. 2 is a block diagram of the portable unit 14 shown in FIG. 1 for explaining the state of being selectively operated as a control panel of a mobile radio telephone and audio. Referring to FIG. 2, the portable unit 14 includes a first connection port 25 connected to a second connection port 21 of the audio set 12. A data line DTL, a telephone voice line AUL, and a voltage line CAR-BAT are connected to the first connection port 25. The voltage line CAR-BAT is a battery 28 and a first controller for supplying a required operating voltage Vcc to the portable unit 14. Is connected to 34. Here, the battery 28 can be charged, so long as it is ordinary power storage. The portable unit 14 also includes a touch screen panel 26 in which a touch key panel 27 and an indicator 29 are integrated, and modulates a voice signal input through the microphone 22 by a predetermined control to wirelessly propagate the modulated voice. And a mobile wireless telephone part 35 for demodulating and outputting the same to the speaker 24, and outputting a preset GUI pattern to the touch screen pad 26 and detecting switching of a touch key on the screen to detect an audio control signal and a telephone corresponding to the operation mode. And a first controller 34 for selectively supplying control signals to the data line DTL and the mobile radiotelephone part 35.

In the above configuration, the mobile radiotelephone part 35 processes a voice of the microphone 22 by a radio frequency part 30 which modulates and demodulates an audio signal input by a predetermined control, and wirelessly transmits and receives a voice. It is composed of a voice processing part 32 to supply to the RF part 30 or amplify the voice from the RF part 30 to the speaker 24.

3 is an operation control flowchart of a portable unit according to an embodiment of the present invention, for explaining a state of a control process when operated as an audio control panel or a mobile radio telephone. Referring to FIG. 3, the portable unit 14 determines an operation mode according to a state of being coupled to or separated from the audio set 12 to perform an audio control function or a telephone control function.

FIG. 4 is a block diagram of a car audio set according to an embodiment of the present invention to illustrate an optional operation mode of an audio mode or a hands free mode. Referring to FIG. 4, a second controller 66 for analyzing a second connection port 21 formed on the landing groove 13 and data received from the second connection port 21 and generating corresponding audio control data and telephone control data 66 And an audio reproduction part 67 for picking up and playing back an audio signal in response to the audio control data output from the second controller 66, an amplifier 72 for amplifying the input audio signal to a speaker 74, and the second controller. And a switch 76 for selectively supplying the telephone voice through the second connection port 21 or the audio signal output from the audio reproduction part 67 by the output of the 66 to the amplifier 72.

The audio reproduction part 67 is composed of a tuner 68 and a tac 70, and each of the tuner 68 and the tac 70 is enabled by an audio control signal output from the second controller 66 to select a broadcast signal source. Reproduces or reproduces the audio signal recorded on the cassette tape.

FIG. 5 is a flowchart illustrating an operation control of a car audio set according to an exemplary embodiment of the present invention, to describe a state of a control process when operated in an audio mode or a hands free mode.

6A, 6B, and 6C are front views of the portable unit shown in FIG. 1, illustrating a display example of the indicator in the audio mode, the combined telephone mode, and the disconnected telephone mode. 6A and 6B show a GUI for controlling audio and a GUI for telephone operation when the portable unit 14 is mounted and coupled to the landing groove 13 of the audio set 12. FIG. 6C shows the portable unit 14. This is a diagram showing only the GUI of the telephone mode when separated from the audio set 12.

6A, 6B, and 6C, reference numeral 100 denotes a message window, and 150 denotes a touch key for audio and telephone control and a touch key region for indicating a state thereof. In the touch key area 150, an audio operation mode, for example, a radio volume or a cassette mode setting volume, a channel and memory keys or a ten key (keys 0 to 9 and keys # and *) and various function keys of a telephone are provided. Has a region displayed by the GUI, the corresponding key signal is generated by touching the display portion. The key signal generated by touching the displayed area is transmitted to the first controller 34. Thus, freely changing the GUI of the touch screen panel 26 is determined by setting data to be masked in the font ROM and the graphic ROM in the first controller 34. It is obvious in the field of implementing the detailed description.

7A, 7B, and 7C illustrate a state of use of a car audio device in which a mobile wireless telephone is integrated according to an embodiment of the present invention, a state in which a portable unit is used in combination, a state of using a cassette, and a separate use of a telephone. It shows the state of time.

Hereinafter, the operation of the preferred embodiment of the present invention will be described in detail with reference to FIGS. 1 to 7A, 7B, and 7C.

First, the operation when the portable unit 14 is mounted in the landing groove 13 of the audio set 12 will be described.

Now, when the portable unit 14 and the audio set 12 each having the configuration as shown in FIGS. 2 and 4 are operated, respectively, the first controller 34 and the second controller 66 of the audio set 12 in the portable unit 14 are respectively processed in FIG. 36. In step 78 of FIG. That is, it is searched whether the portable unit 14 is mounted in the landing groove 13 of the audio set 12.

When the portable unit 14 is mounted in the audio set 12 in such a state, the second connection port 21 of the audio set 12 and the first connection port 25 of the portable unit 14 are combined to connect the same lines. For example, data line DTL, telephone voice line AUL and voltage line CAR-BAT are connected to each other. Here, the power line CAR-BAT is a DC voltage output from the main battery of the vehicle. When the power supply voltage of the audio set 12 is input to the portable unit 14 through the power supply voltage line CAR-BAT by the combination as described above, the first controller 34 in the portable unit 14 carries the voltage by detecting the voltage of the power supply line CAR-BAT. It is determined that unit 14 and audio set 12 are combined.

When it is determined that the portable unit 14 and the audio set 12 are coupled to each other, the first controller 34 of the portable unit 14 displays the audio GUI pattern on the touch screen panel 26 in step 38 of FIG. 3, and the audio mode data in step 40. Is transmitted over the data line DTL. In this manner, the GUI of FIG. 6A is displayed on the touch screen panel 26 of the portable unit 14, and the second controller 66 of the audio set 12 configured as shown in FIG. 4 receives audio mode data through the data line DTL. In operation 42 of FIG. 3, the first controller 34 of the portable unit 14 that performs the above operation searches for a key input from the touch screen panel 26. When the user touches the displayed portion while the GUI of the audio mode as shown in FIG. 6A is displayed, corresponding key data is generated from the touch key panel 27, which is immediately transmitted to the first controller 34.

In this case, the first controller 34 determines that there is a key input in step 42 of FIG. 3, and searches whether the key signal input in step 44 is the telephone mode key TEL. If the input key is not the telephone mode key TEL, the first controller 34 reads the output of the voice processing part 32 in the telephone part 35 and checks whether a telephone ring is received in step 46. Here, the telephone ring is the same as the telephone ring of an ordinary mobile radio telephone, and is a ring detection signal that the voice processing part 32 detects when the mobile radio telephone is called.

If the telephone ring is not received in step 40 of FIG. 3, the first controller 34 of the portable unit 14 searches for a function of the touch key selected in steps 48 and 50 of FIG. 3 and displays data for performing the corresponding function. Transmit to audio set 14 via DTL. In operation 50 of FIG. 3, the operation mode is transmitted to the message window 100 of the touch screen panel 26 for display. For example, when a touch key for selecting a broadcast frequency is selected, the frequency of the selected broadcast is displayed on the message window 100.

If it is determined that the signal of the touch key input in step 44 is the phone mode key, or it is determined that the phone ring is detected in step 46, the first controller 34 touches the data of the GUI pattern for hands-free calling in step 56. Send to panel 26 so that the graphic as shown in FIG. 6B is displayed from indicator 29. In step 58, the hands-free telephone mode data is transmitted to the audio set 14 through the data line DTL. The audio set 14 receiving such hands-free mode data sets the internal operation mode to the telephone voice amplification mode, which cuts off the output of the tuner 68 or the deck 70 and amplifies only the telephone voice input through the telephone voice line AUL. It is operated in the state. This operation will be more clearly understood by the following description.

In operation 60, the first controller 34 of the portable unit 14 performing the operation 58 of FIG. 3 searches for a key input from the touch screen panel 26. If there is a key input in this state, the call mode is set in step 62 so that the call can be renewed. If there is no key input, the call is set in the standby mode to receive the call. At this time, the call mode can be controlled as if using a normal mobile phone. For example, when one of a plurality of keys displayed on the touch key panel 27 of the touch screen panel 26 is selected while a bell is received, the device transitions to the incoming call mode and if the key for the dial digit is selected, FIG. 6B. As shown in the message window 100, a transition to the transmission mode state is made by input of the send key.

On the other hand, the second controller 66 in the audio set 12 determined that the portable unit 14 is coupled to the landing groove 13 receives the transmission data of the portable unit (PF) 14 received through the data line DTL in step 80 to change the data mode. Analyze Then, it is checked whether the data analyzed in step 82 is the hands-free telephone mode. If it is determined that the data transmitted from the portable unit 14 is in the hands-free telephone mode, the second controller 66 outputs the control signal CTL as a logic " high " At this time, the switch 76 cuts off the connection of the output of the tuner 68, the deck 70 and the amplifier 72 in response to the control signal CTL of the logic "high" output from the second controller 66, muting the output of the audio and at the same time the second connection. Connect the telephone voice line AUL on port 21 to the input of amplifier 72. Thus, it can be seen that when the data transmitted from the portable unit 14 is the data in the hands free mode, the audio set 12 amplifies and outputs the telephone voice signal input through the telephone voice line AUL.

If it is determined in step 82 of FIG. 5 that it is not the hands-free mode, the second controller 66 receives and analyzes the function data input to the data line DTL in step 86. In operation 88, the second controller 66 performs a corresponding function corresponding to the received data. For example, when the analyzed function data is for tuning the broadcast channel, the second controller 66 supplies a tuning control signal for tuning the broadcast channel to the tuner 68 in step 88 so that the voice of the broadcast channel is output. . At this time, the switch 76 connects the output of the tuner 68 and the input of the amplifier 72. Therefore, when the function data for controlling the tuner 68 or the deck 70 is transmitted to the landing groove 13 of the audio set 12, the audio set 12 is a display portion of the audio control GUI as shown in FIG. 6A. It works in response.

When the portable unit 14 is separated from the audio set 12, the second connection port 21 of the audio set 12 and the first connection port 25 of the portable unit 14 are separated. When the connection port is separated, the voltage of the vehicle battery supplied to the first controller 34 of the portable unit 14 is cut off through the voltage line CAR-BAT of the audio set 12. At this time, the first controller 34 of the portable unit 14 detects the blocking of the voltage line CAR-BAT and determines that the portable unit 14 and the audio set 12 are separated in step 36 of FIG. 3. The first controller 34 of the portable unit 12 determined to be separated from the audio set 12 by the above process outputs the graphic data of the GUI as shown in FIG. 6C to the display 29 in step 54 of FIG. 3. Therefore, the indicator 29 of the touch screen panel 26 in the portable unit 14 is displayed with graphics for maximizing the use of the telephone.

While the GUI as shown in FIG. 6C is displayed on the touch screen panel 26, the first controller 34 of the portable unit 14 performs process 60 or later of FIG. 3 to search whether the key area is touched during the display of the GUI to call or standby. To switch the operation of the portable unit 14. In this state, when the user touches the display of the dial digit key displayed in the touch key area 150 in the GUI as shown in FIG. 6C, the message window 100 displays the number of the touched display. At this time, when the transmission key is selected, the mobile radiotelephone part 35 of the portable unit 14 transitions to the call mode through which the other party can communicate with the microphone 22 and the speaker 24. However, if the touch key is not selected in step 60, the first controller 34 controls the mobile radiotelephone part 35 in the standby mode in step 64.

On the other hand, when the portable unit 14 is removed from the landing groove 13 as described above, since the data transmitted from the portable unit 14 at a predetermined time period is not received through the data line DTL, it is determined that the second controller 66 is separated from the tablet. Disable tuner 68 and deck 70 at. In operation 92 of FIG. 3, the second controller 66 transmits a disable signal to an engine electron control unit (ENG ECU).

The ENG ECU, which receives the engine disable signal from the second control unit 66, blocks the current flowing to the ignition coil (not shown) even when the ignition key is inserted into the ignition key hole and the ignition switch is turned on. Do not start unless 14 is mounted in landing groove 13 of audio set 12.

Therefore, the above-described embodiment can provide a mobile radio telephone and a vehicle anti-theft function by using the front panel of the car audio, and can facilitate the driver's convenience by providing a hands-free call function.

As described above, the car audio device according to the embodiment of the present invention enables the front panel to be detachably mounted, thereby achieving the purpose of controlling the audio function, as well as the mobile radio telephone, hands-free function, and vehicle theft prevention. There is an advantage that can be strengthened more.

Claims (9)

In a car audio device equipped with a mobile cordless phone, A portable unit for outputting an audio control signal and a telephone control signal corresponding to the selected mode key to a first connection port, and controlling an internal mobile wireless telephone to transmit and receive telephone voice in response to the selection of the telephone mode; A second connection port coupled to the first connection port is formed, and has a mounting guide for mounting the portable unit, and selectively selects a tuner and a built-in by input of an audio selection control signal input to the second connection port; And an audio set for selecting and amplifying and outputting an audio signal and amplifying and outputting the audio signal by simultaneously blocking the output of the audio signal by input to a telephone selection control signal. Car audio device with mobile cordless phone. 2. The portable unit of claim 1, wherein the portable unit modulates a voice signal input through a microphone through a predetermined control, a touch screen panel having a touch key panel and an indicator integrated therein, and wirelessly propagates the modulated voice and outputs the demodulated voice to a speaker. A mobile wireless telephone part and a predetermined graphic user interface pattern to be output to the touch screen pad, and at the same time, switching of a touch key on the screen is detected to output an audio control signal and a telephone control signal corresponding to the operation mode. And a first wireless controller for selectively supplying the mobile wireless telephone part. The audio set of claim 1, wherein the audio set comprises: a landing groove on which the portable unit is mounted; a second connection port formed on the landing groove; and data corresponding to the data received from the second connection port; A second controller for generating telephone control data, an audio reproducing part for picking up and playing back an audio signal in response to the audio control data output from the second controller, an amplifier for amplifying a predetermined audio signal and outputting it to a speaker; And a switch for selectively supplying an audio signal outputted from the audio reproduction part or a telephone voice through the second connection port by an output of the second controller to the amplifier. Car audio device mounted. 4. The battery of claim 3, wherein a data line, a telephone voice line, and a voltage line are connected to the first and second connection ports, the voltage line of the first connection port being a battery in the portable unit for supplying a required operating voltage to the portable unit; And a mobile wireless telephone mounted on said first controller. The mobile wireless telephone according to claim 4, wherein the first controller detects a voltage level of the voltage line of the first connection port to detect a coupling / disconnection state between the audio set and the portable unit. Car audio device. The mobile terminal of claim 6, wherein the first controller displays a graphic user interface pattern for telephone use on the touch screen panel when detecting that the audio set and the portable unit are separated, and controls the mobile wireless telephone part. A car audio device equipped with a mobile cordless phone, characterized in that the unit transitions to a mobile cordless phone mode. The mobile wireless telephone part of claim 6, wherein the mobile radio telephone part modulates and demodulates a voice signal input by a predetermined control, and wirelessly transmits and receives a voice signal of a microphone through a predetermined control. And a voice processing part for amplifying the voice from the RF part and supplying the voice signal to a speaker. 8. The audio playback part of claim 7, wherein the audio reproduction part comprises a tuner and a tick, and each of the tuner and the ticks is enabled by an audio control signal output from a second controller to select and reproduce a broadcast signal source or to record on a cassette tape. And a mobile radio telephone, characterized by reproducing and outputting recorded voice signals. 9. A car audio device according to claim 3 or 8, wherein the second controller disables an engine electronic control unit in response to the data line not being received for a predetermined time.