JP3064885U - Hands-free handset for mobile phone controlling car audio system with infrared - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To provide a hands-free handset of a mobile phone for controlling a vehicle acoustic device by infrared rays. The present invention comprises a hands-free handset, a signal line that is replaced by a mobile phone, and a hands-free mobile phone that controls a car audio system with infrared rays combined with an infrared receiver of the car audio system. In the receiver, the hands-free receiver body includes a hands-free receiver circuit unit and an infrared circuit unit,
The hands-free receiver circuit unit is adapted to receive a call using a hands-free receiver of a mobile phone, and the infrared circuit unit is configured to receive the same infrared signal as the infrared control signal of the vehicle acoustic device when the mobile phone is called. It is characterized by automatically emitting a signal to automatically stop the vehicle acoustic device or to set a silent mode.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a hands-free handset of a mobile phone that controls a vehicle acoustic device with infrared rays.In particular, when a mobile phone calls, the hands-free handset generates an infrared signal that is the same as the control signal of the vehicle acoustic device, and the mobile phone handsets. The sound of the vehicle sound system is muted or the vehicle sound system is stopped at the same time when the telephone is called, so that the sound of the vehicle sound system does not affect the call, and the safety and convenience of driving are provided. The present invention relates to a hands-free handset of a mobile phone that controls a vehicle acoustic device by infrared rays.

[0002]

[Prior art]

 For safe driving, hands-free handsets are already a necessary equipment when using mobile phones in cars. In order to improve the function of this hands-free handset, a hands-free handset that can be combined with an audio device of a car has already been provided, which can be used when a mobile phone calls or dials in a timely manner. The car sound system was turned off or set to a silent mode so that it automatically recovers after the end of the call. This is an innovative technology and has brought great benefits to users. However, although it is accepted by many users, it is necessary to connect some circuits at the time of installation, and if there is not enough knowledge on the structure and wiring technology of the vehicle for installation, it is necessary to install it without problems Was difficult. Therefore, it was difficult for ordinary, non-specialized consumers to attach themselves.

[0003]

[Problems to be solved by the invention]

 Due to these simple installation problems, they are not widely used and applied to mobile phone users, and many of them are infrared remotes so that general advanced car audio equipment is convenient for passenger operation. In the present invention, a hands-free receiver is installed in the hands-free receiver because it has a controller and can operate the opening / closing, volume, and functions (CD player, recording tape player) of the car audio system directly with the infrared remote controller. It is an object of the present invention to provide a single infrared emitting device so that a vehicle acoustic device can be controlled and that it is convenient to use a mobile phone.

More specifically, the present invention provides a kind of hands-free handset of a mobile phone that controls a vehicle acoustic device with infrared rays, and when the mobile phone receives a call, the infrared device in the hands-free handset is It is an object of the present invention to control a vehicle acoustic device to be in a silent mode or to stop the vehicle, thereby improving a use effect of a hands-free handset and ensuring driving safety.

[0005]

[Means for Solving the Problems]

 The invention of claim 1 comprises a hands-free handset body, a signal line replaced by a mobile phone, and a hands-free handset of a mobile phone for controlling a car audio system with infrared rays combined with an infrared receiver of a car audio system. In the above, the hands-free receiver body includes a hands-free receiver circuit unit and an infrared circuit unit, and the hands-free receiver circuit unit is adapted to receive a call with a hands-free receiver of a mobile phone. The circuit unit automatically emits an infrared signal that is the same as the infrared control signal of the vehicle acoustic device when the mobile phone is called, thereby automatically stopping the vehicle acoustic device or setting a silent mode. In addition, it is a hands-free handset for mobile phones that controls automobile acoustic devices with infrared rays. In the invention of claim 2, an infrared signal encoding unit and a call signal detection unit are added in the hands-free handset body, and a change in a standby signal when a call is made to the mobile phone is detected to change the hands-free handset body. The hands-free receiver of a mobile phone for controlling a vehicle acoustic device by infrared rays according to claim 1, characterized in that it is operated. According to a third aspect of the present invention, an infrared signal encoding unit and a mobile phone signal decoding unit are additionally provided in the hands-free handset body, and a change in a serial signal during standby of the mobile phone is detected to operate the hands-free handset body. A hands-free handset of a mobile phone for controlling a vehicle acoustic device with infrared rays according to claim 1. According to the invention of claim 4, a voice identification unit is additionally provided in the hands-free handset body, and a signal identification code corresponding to a voice such as loud voice, low voice, CD, AM or FM is provided in the voice recognition unit. For example, the infrared signal encoding unit stores an infrared code corresponding to a loud voice, a loud voice, a CD, and an AM, and outputs a control signal to control a vehicle acoustic device when a user controls using a voice. A hands-free handset of a mobile phone for controlling a vehicle acoustic device by infrared rays according to any one of claims 1, 2 and 3. According to a fifth aspect of the present invention, a dial unit is combined with the hands-free receiver body, the dial unit is installed at an appropriate position on a handle, and a key switch of the dial unit is used to control an automobile audio device in addition to a numeric code. A function can be provided, and a user can directly control a dial or a vehicle acoustic device by using the dial unit. A hands-free handset for a mobile phone that controls an automobile acoustic device using the infrared light described in any of the above. According to the invention of claim 6, it is possible to connect via a connector to an automobile sound device having no infrared control device, and the connector is composed of an infrared receiving unit, a signal amplifying unit and a signal decoding unit. A hands-free handset of a mobile phone for controlling a vehicle acoustic device with infrared rays according to claim 1.

[0006]

[Embodiment of the invention]

 As shown in FIG. 1, the present invention comprises a hands-free receiver main unit (1), a signal line (B12) replaceable by a mobile phone (B1), and an infrared receiver (A1) of a car audio system (A1). C1) is combined.

The hands-free receiver body (1) includes a hands-free receiver circuit unit (11) and an infrared circuit unit (12), and the hands-free receiver circuit unit (11) is used to make a call to a mobile phone (B1). This is to enable reception with a hands-free receiver. The infrared circuit unit (12) emits the same infrared signal as the infrared control signal of the vehicle acoustic device (A1) when a call is received from the mobile phone (B1), and thereby the vehicle acoustic device (A1). Automatically stop or set to silent mode.

The signal line (B12) performs signal transmission between the mobile phone (B1) and the hands-free handset body (1), and replaces a telegraph socket of a different mobile phone (B1) with various types of mobile phones (B1). B1) can be used.

The present invention is composed of the above requirements, and when a mobile phone (B1) receives a call, a call signal is sent to a hands-free receiver circuit unit (11) via a signal line (B12), and the hands-free receiver circuit is provided. After the unit (11) detects the call signal, the infrared circuit unit (12) is controlled so that the infrared circuit unit (12) sends the same control signal as the infrared signal of the vehicle acoustic device (A1) to the vehicle acoustic device (A1). To the infrared receiver (C1) to stop or set the car acoustic device (A1) to the silent mode, and output another signal after the end of the call to restore the car acoustic device (A1) to its original state. This eliminates the need for specialized wiring work, and allows the driver to talk directly to the mobile phone when the phone is called, as well as shutting down the car audio system. Or silent mode.

FIG. 2 shows a second embodiment of the present invention. This is for a specific type of mobile phone (B2) that outputs a high or low signal fixedly during standby (see FIG. 3). According to this embodiment, the hands-free receiver body (2) is used. In addition to the hands-free receiver circuit unit (21) and the infrared circuit unit (22), an infrared signal encoding unit (24) and a call signal detection unit (23) are provided in the parentheses. When the standby signal (Z1) or (Z2) changes from the original high (or low) to low (or high) when the mobile phone receives a call, the call signal detection unit (23) sets the The change is detected, and an infrared signal for controlling the vehicle acoustic device (A2) is output to the infrared signal encoding unit (24). The signal is further transmitted from the infrared circuit unit (22) to the infrared receiving device (C2) of the vehicle acoustic device. The vehicle audio system (A2) is stopped or put into a silent mode.

FIG. 4 shows a third embodiment of the present invention, which is applied to a specific type of mobile phone (B3) which outputs a fixed serial signal (Z3) during standby (see FIG. 5). According to this embodiment, the hands-free receiver main body (3) is provided with a hands-free receiver circuit unit (31), an infrared circuit unit (32), and an infrared signal encoding unit (33). A telephone signal decoding unit (34) is provided. When a call is made to the mobile phone (B3), a change occurs in the serial signal (Z3) of the standby, which is detected by the mobile phone signal decoding unit (34), and the infrared signal encoding unit (33) is detected. Output an infrared signal for controlling the vehicle acoustic device (A3), and the infrared circuit unit (32) sends the signal to the infrared receiving device (C3) of the vehicle acoustic device (A3), and thus the vehicle acoustic device (A3) Is stopped or the mode is switched to the silent mode.

FIG. 6 shows a fourth embodiment of the present invention. In this embodiment, it is combined with, for example, voice control so that the user can concentrate on the traffic situation ahead when driving, and controls, for example, a car audio system (A4) and a mobile phone (B4). In the hands-free receiver body (4), in addition to the hands-free receiver circuit unit (41), infrared circuit unit (42), infrared signal encoding unit (43) and mobile phone control signal decoding unit (44), audio An identification unit (45) is provided. The voice identification unit (45) stores a signal identification code corresponding to a voice (for example, loud voice, low voice, CD, AM or FM, etc.), and the infrared signal encoding unit (43) also stores a high voice, low voice, CD. An infrared code such as AM, FM or FM is stored so that the user can directly use the voice to perform the function of adjusting the dial or the vehicle audio system (for example, switching the volume, channel or CD). For example, when the user utters a "loud voice", the voice recognition unit (45) proceeds with the discrimination after receiving the signal, sends the signal to the infrared signal encoding unit (43), and sends the signal to the infrared signal encoding unit (43). (43) thereby outputs an infrared signal for controlling the vehicle acoustic device (A4), which is sent from the infrared circuit unit (42) to the infrared receiving device (C4) of the vehicle acoustic device (A4), and The volume of the sound device is controlled.

FIG. 7 shows a fifth embodiment of the present invention, in which a variety of function controls are set on the handle for convenience when the driver holds the handle for a long time. In this embodiment, a hands-free receiver circuit unit (51), an infrared circuit unit (52), an infrared signal encoding unit (53), and a mobile phone control signal decoding unit (54) are provided in the hands-free receiver body (5). , A dial unit (55) is provided. The dial unit (55) is provided at an appropriate position on the steering wheel, and a key switch of the dial unit (55) can be provided with a numeric code and a control function of an automobile acoustic device (A5). When a user sets up using the dial unit (55), the dial unit (55) provides a signal to the infrared signal decoding unit (53), decodes the correspondingly controlled infrared signal, as well as the infrared signal. The infrared signal transmitted through the circuit unit (12) is sent to the infrared receiver (C5) of the vehicle acoustic device to control the function of the vehicle acoustic device (A5).

Finally, FIG. 8 shows a sixth embodiment of the present invention. Each of the embodiments described above is based on the premise that the vehicle acoustic device has an infrared control device, but FIG. 8 also shows the convenience of the present invention in a vehicle acoustic device (A6) without infrared control. This is an example in which the user can enjoy the characteristics. In this embodiment, a connector (6) capable of circumscribing infrared control is provided for a general automobile acoustic device (A6) without infrared control, and the connector (6) includes an infrared receiving unit (61) and a signal amplifying unit (A6). 62) and a signal decoding unit (63), which receives and decodes the infrared signal and converts it into an infrared signal that can control the car audio system (A6). This connector (6) allows the present invention to be used in combination with an automobile audio system (A6) that does not have an infrared control device.

[0015]

[Effects of the Invention] The device of the present invention has a simple structure, has various types and operation modes, meets the needs of users with different habits, reliably enhances the use effect of the hands-free handset, and operates. The safety and convenience are increasing.

[Brief description of the drawings]

FIG. 1 is a block diagram of a specific embodiment of the present invention.

FIG. 2 is a block diagram of a second embodiment of the present invention.

FIG. 3 is a signal display diagram when a call is made to a mobile phone to which the embodiment of FIG. 2 is applied.

FIG. 4 is a block diagram of a third embodiment of the present invention.

FIG. 5 is a signal display diagram when a call is made to a mobile phone to which the embodiment of FIG. 4 is applied.

FIG. 6 is a block diagram of a fourth embodiment of the present invention.

FIG. 7 is a block diagram of a fifth embodiment of the present invention.

FIG. 8 is a block diagram of a sixth embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Hands-free receiver main unit 11 Hands-free receiver circuit unit 12 Infrared circuit unit 2 Hands-free receiver main unit 21 Hands-free receiver circuit unit 22 Infrared emitting unit 23 Call signal detection unit 24 Infrared signal decoding unit 3 Hands-free receiver main unit 31 Hands-free receiver circuit Unit 32 Infrared circuit unit 33 Infrared signal encoding unit 34 Cell phone signal decoding unit 4 Hands-free receiver main unit 41 Hands-free receiver circuit unit 42 Infrared circuit unit 43 Infrared signal encoding unit 44 Cell phone control signal decoding unit 45 Voice identification unit 5 Hands free Handset body 51 Hands-free receiver circuit unit 52 Infrared circuit unit 53 Infrared signal encoding unit G 54 Cellular phone control signal decoding unit 55 Dial unit 61 Infrared receiving unit 62 Signal amplifying unit 63 Signal encoding unit A1, A2, A3, A4, A5, A6 Automotive audio system B1, B2, B3, B4 Cellular phone B12 Signal line C1 , C2, C3, C4, C5 Infrared receiver Z1, Z2 Standby signal Z3, Z4 Serial signal

Claims (6)

[Utility model registration claims] 1. A hands-free handset of a mobile phone, comprising a signal line replaced by a mobile phone, and controlling a car audio system with infrared rays combined with an infrared receiver of the car audio system, The hands-free receiver body includes a hands-free receiver circuit unit and an infrared circuit unit, wherein the hands-free receiver circuit unit is adapted to receive a call using a hands-free receiver of a mobile phone, and the infrared circuit unit is Automatically emitting an infrared signal that is the same as the infrared control signal of the vehicle acoustic device to automatically stop the vehicle acoustic device when the cellular phone is called, or to set the vehicle acoustic device to a silent mode. Hands-free handset for mobile phones that controls sound equipment. 2. An infrared signal encoding unit and a call signal detection unit are additionally provided in the hands-free handset body, and a change in a standby signal when a call is made to the mobile phone is detected to operate the hands-free handset body. The hands-free handset of a mobile phone according to claim 1, wherein the handset controls a vehicle acoustic device by infrared rays. 3. An infrared signal encoding unit and a mobile phone signal decoding unit are additionally provided in the hands-free handset body, and the hands-free handset body is operated by detecting a change in a serial signal when the mobile phone is on standby. The hands-free handset of a mobile phone according to claim 1, which controls the vehicle acoustic device with infrared rays. 4. A voice identification unit is additionally provided in the main body of the hands-free receiver, and a signal identification code corresponding to a voice such as a loud voice, a loud voice, CD, AM or FM is stored in the voice recognition unit, and an infrared signal is provided. An infrared code corresponding to, for example, a loud voice, a loud voice, a CD, and an AM is stored in the encoding unit, and when the user controls using an audio, the control unit outputs a control signal to control the automobile acoustic device. A hands-free handset of a mobile phone for controlling a vehicle acoustic device by infrared rays according to any one of claims 1, 2, and 3. 5. A dial unit is combined with the hands-free handset body, the dial unit is installed at an appropriate position on a steering wheel, and a key switch of the dial unit is provided with a function for controlling a vehicle acoustic device in addition to a numeric code. And wherein the user can directly control the dial or the vehicle audio system by using the dial unit.
A hands-free handset of a mobile phone for controlling a vehicle acoustic device by infrared rays according to any one of claims 3 and 4. 6. A connector which can be connected to a vehicle acoustic device having no infrared control device via one connector, the connector comprising an infrared receiving unit, a signal amplifying unit and a signal decoding unit. A hands-free handset of a mobile phone according to claim 1, which controls a vehicle acoustic device by infrared rays.