JP3070695U - Cradle device with hands-free function for mobile phones that can emit FM signals - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To provide a cradle device with a hands-free function for a mobile phone capable of emitting an FM signal. SOLUTION: In a cradle provided with a hands-free function, a substrate capable of setting a frequency and displaying a frequency and emitting an FM signal is provided, and a sound transmission device, a transmission tube and a sound pickup device are combined. To be applied to mobile phone of any style and manufacturer
This is a cradle device with a hands-free function for a mobile phone capable of emitting an FM signal, which can be received by an M receiver, has characteristics that are convenient to use and has a good reception effect.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a cradle device with a hands-free function for a mobile phone, in which a cradle having a hands-free function is provided with a board capable of setting a frequency, displaying a frequency and emitting an FM signal, and a sound transmission device. Combined with the transmission of sound from a conductive tube and a sound pickup, it can be applied to any type of mobile phone of the manufacturer, and can be switched from car sound to FM receiver and received by FM receiver, convenient to use and good receiving effect. The present invention relates to a cradle device having a hands-free function for a mobile phone capable of emitting an FM signal.

[0002]

[Prior art]

 FIG. 1 shows a known cradle device with a hands-free function for a mobile phone. As shown in this figure, the cradle device 10 is provided with an audio frequency amplifier inside and one speaker 50 connected outside. The required power is obtained from the power supply of the cigarette lighter socket of the vehicle by one plug 30. The cradle device 10 is provided for installation of a mobile phone 20 having a specific standard and characteristics. The audio frequency signal received by the combined specific connector 40 is transmitted to an audio frequency amplifier, and further amplified and broadcast by a speaker 50. This achieves the hands-free function of mobile phones. This known cradle device 10 has the following disadvantages. 1. Since the structure is such that the connector 40 is combined with the output port of the mobile phone 20, it does not have a common characteristic, and therefore cannot be applied to mobile phones of any manufacturer and style. 2. The hands-free function is achieved by the combined speaker 50. However, when the sound quality of the broadcast is poor and the sound equipment of the car is used at the same time, the sound equipment of the car must be turned off first before interference occurs. I couldn't hear it. In order to solve the shortcomings of the well-known technology, the present invention provides a cradle device which can set a frequency and has a substrate capable of displaying a frequency and emitting FM, and a transmission device of a sound transmission device, a transmission tube and a sound pickup device. By combining this with a mobile phone of any style and manufacturer, it will be possible to automatically switch to an FM receiver for car sound and receive it, providing convenient and good reception characteristics.

[0003]

[Problems to be solved by the invention]

 The main objectives of the present invention are the sound collection and sound collection methods, the transmission of the FM signal, and the reception using the FM receiver of the vehicle acoustic system. An object of the present invention is to provide a cradle device with a hands-free function for a mobile phone, which has characteristics. The next object of the present invention is to be able to use not only the specific type and type of mobile phone, but also to provide automatic switching between the hands-free reception and the FM receiver reception of the car sound, and to turn off the power of the sound equipment or play the music. An object of the present invention is to provide a cradle device with a hands-free function for a mobile phone, which eliminates the trouble of preventing interference.

[0004]

[Means for Solving the Problems]

 The invention of claim 1 is directed to a cradle device with a hands-free function for a mobile phone in which an upper case and a bottom case are combined with a plurality of screws and one substrate is combined therein, and transmitted to one side of an upper end of the upper case. A sound device is provided, and the sound transmission device transmits the received sound of the mobile phone to one sound pickup device through the conductive tube, and converts the sound to a sound frequency signal for processing by the above-described board. One projection is provided on the front edge of the case, a set of indicators is provided on the projection, the indicators are connected to the substrate by wiring, and a plurality of key switches are provided on one side of the substrate. Protruding from the circular hole provided on the corresponding side of the bottom case, and one stop hole is provided at the center of the bottom case to be combined with the stop hole of the assembly plate of one installation sheet. It has the characteristics of a launch, which connects to an earphone socket. Amplify the audio frequency signal converted by the above-mentioned sound pickup device with the amplifier in contact with it, activate one FM signal emitter, one phase lock circuit, and use the frequency set in one microcontroller for FM. FM is characterized in that the antenna is radiated by a method, the set frequency is displayed on a display, and the power supply of the substrate is first transmitted through the voltage stabilizer to stabilize the operation of the circuit. It is a cradle device with a hands-free function for mobile phones that can emit signals.

[0005]

[Embodiment of the invention]

 The cradle device with a hands-free function for a mobile phone according to the present invention includes an upper case and a bottom case, and one substrate is provided in a space formed by combining the upper case and the bottom case. A sound transmission device is provided, a sound collection cover of the sound transmission device can be installed on a cover of a handset of a mobile phone of any type, and the sound received by the mobile phone can be collected on a board by a single conductive tube. Is transmitted to Also, one projection is provided on the front edge of the bottom case, and a set of indicators is provided on the projection, which is connected to the substrate by wiring to display the set frequency. The board is one amplifier, and the sound frequency signal converted by the sound pickup device simultaneously activates one FM transmitter, phase lock circuit, and frequency modulation method by the frequency set in one microcontroller. The sound is emitted from the antenna and received by the FM sound pickup of the car sound system, and the sound of the mobile phone handset is transmitted through the speaker of the sound system. To achieve the switching.

[0006]

【Example】

 FIG. 2 is a structural view of the present invention. The cradle device of the present invention includes an upper case 60 and a bottom case 61, and one screw is screwed into a screw hole column 68 (the screw hole column of the upper case 60 is not shown) installed inside the both. In addition, one substrate 90 is configured to be combined therebetween (such as the upper combination in FIG. 5). One sound transmission device 70 is provided on one side of the upper end of the upper case 60, and the sound transmission device 70 transmits the reception sound of the mobile phone to the sound collection device 75 through the conduction tube 74. The signal is converted into a signal and used for processing the substrate 90. A stopper wall 62 is provided on the front edge of the face plate of the upper case 60, a stopper plate 63 fixed on one side of the two sides, and a movable holding plate 64 is provided on the other side (FIG. 6). A magnetic material (not shown) is provided on the inner surface of the face plate of the upper case 60, and a mobile phone of any type can be fixed by suction and holding. One projection 65 is provided on the front edge of the bottom case 61, and a set of indicators 96 is provided on the projection 65, which is connected to the substrate 90 through the wiring 92 and set on the substrate 90. Displays the set frequency. The power required for the substrate 90 is taken from a cigarette lighter socket of the automobile by one plug 30, and a key switch 91 provided on one side of the substrate 90 is provided with a circular hole provided on a corresponding side of the bottom case 61. It protrudes from the power supply 67 and is used for power supply of the substrate 90 and frequency adjustment control and setting. FIG. 3 shows the sound pickup of the present invention. As shown in the figure, the sound pickup 75 faces one of the sound generators 77 through an end of the conduction tube 74, and a seal case 76 is provided on the outside to receive the other external noise. The conductive tube 74 is a general plastic tube to prevent the occurrence of feedback interference due to the use of conductors in the well-known technology. The other end of the conductive tube 74 is provided in a sound collecting cover 71 for movable adjustment of an extension arm 72 of the sound transmitting device 70, and the sound transmitting device 70 is assembled to one side of the upper case 60 by a main body 73. (See FIG. 2). FIG. 9 is a block diagram of the FM launch circuit of the present invention. As shown, the aforementioned substrate 90 has the characteristics of FM signal emission, which means that one amplifier 97 (i.e., when the tone generator 77 generates an audio frequency signal), and simultaneously the FM signal emitter 95, the phase The operation of the lock circuit 94 is activated, and the frequency set by one microcontroller 93 allows the audio frequency signal generated by the micro tone generator 77 to be transmitted via an antenna by frequency modulation (FM). It is launched into a wide range of space (power about 10 kW), received by the FM sound pickup of the automobile sound system, and the set frequency is displayed on the display 96. The power supplied to the substrate 90 is first passed through one voltage measurer 99, thereby ensuring the stability of the operation of the substrate 90. The above-mentioned transmission method uses the frequency adjustment receiver of the car audio system, and the voice of the mobile phone can be heard by the car audio system during traveling, thereby achieving a hands-free operation. The transmitting part may utilize the transmission of the high-sensitivity microphone of the mobile phone itself. Furthermore, the present invention is also used for the use of the FM station when the user drives, and the music can be tuned to the 96.3 MHz (music channel) while driving, and at the same time, the display 96 ( A number of 96.3 is displayed with a light emitting diode in the fourth place and seven steps. When the user calls the mobile phone, the amplifier 97 of the circuit board 90 activates the operation of the FM signal emitter 95 and the phase lock circuit 94 by the sound signal generated by the tone generator 77 after the user receives the call. In addition, according to the frequency set in the microcontroller 93, the audio frequency signal generated by the microphone 77 is radiated from the antenna in a frequency modulation (FM) manner. Suppress the signal and switch to the audio frequency signal received by the mobile phone to achieve a hands-free function and achieve good sound effect characteristics. After the end of the call, the amplifier 97 stops the operation of the FM signal emitter 95 and the phase lock circuit 94 due to the absence of the voice frequency signal, and the operation of suppressing the radio station signal is lost, thereby automatically performing the FM radio reception. State. The substrate 90 is provided with one earphone socket 98, which is used to keep confidential when the user is riding with another person. That is, by the combination of the earphone plug and the earphone socket 98, the operation of the board 90 is invalidated, and the user can receive with the earphone. FIG. 4 shows the installation sheet of the present invention. One bottom plate 81 is provided on the installation sheet 80 and is combined or affixed to the plane of the meter board of the automobile. One convex circle 83 is provided at the center of the bottom plate 81, and the other Active holes 84 and 88 are provided on the protruding edge 89, respectively, and the receiving ring 85 provided with a central hole 86 is combined with one screw so that the angle of the assembled plate 82 can be adjusted. Also, a convex locking portion 87 is provided on the assembly plate 82 and is combined with a stop hole 66 in the center of the bottom case 61 of the cradle device to provide a fixed installation of the cradle device (see FIGS. 5 and 6). It also has the function and function of angle adjustment. FIG. 7 shows another embodiment of the present invention. In this embodiment, a convex circle 31 having an active hole 32 is provided at the tail end of the plug 30, and the receiving ring 85 and the assembling plate 82 are combined to provide the cradle device for installation. The rod of the plug 30 has a frame structure, so that the combination is easy and convenient (see FIG. 8).

[0007]

[Effect of the invention]

 As described above, the present invention provides an arbitrary style by combining the sound collecting cover 71 of the sound transmission device 70 with the receiver of the mobile phone 20 and the adjustable characteristic of the holding plate 64 of the upper case 60. Can be installed on mobile phones. In addition, due to the characteristics of the board 90 that can set the frequency and emit FM signals, it has the functions and functions of a hands-free receiver, wireless reception, and automatic switching in combination with the FM receiver of an automobile acoustic device, and is suitable for practical use. Has value.

[Brief description of the drawings]

FIG. 1 is a view showing a known cradle device with a hands-free function for a mobile phone.

FIG. 2 is a structural view of the present invention.

FIG. 3 is a schematic diagram of a sound pickup device according to the present invention.

FIG. 4 is a view showing a setting sheet of the present invention.

FIG. 5 is a combination display diagram of the present invention.

FIG. 6 is a view showing the holding device of FIG. 5;

FIG. 7 is another embodiment of the installation of the present invention.

8 is a combination display diagram of FIG.

FIG. 9 is a block diagram of the FM launch circuit of the present invention.

[Explanation of symbols]

 Reference Signs List 60 Upper case 61 Bottom case 68 Screw hole column 70 Sound transmission device 74 Conductive tube 75 Sound pickup 90 Substrate 62 Stopper wall 63 Stopper plate 64 Clamping plate 65 Convex base 96 Display 92 Wiring 30 Plug 91 Key switch 67 Circular hole 77 Fine Sound device 76 Seal case 72 Extension arm 71 Sound collection cover 73 Main body 97 Amplifier 95 FM signal emitter 94 Phase lock circuit 93 Microcontroller 99 Voltage regulator 98 Earphone socket 80 Installation sheet 81 Bottom plate 83 Convex circle 82 Assembly plate 89 Convex edge 84, 88 Active hole 86 Center hole 85 Receiving ring 87 Convex locking part 66 Stop hole 32 Active hole 31 Convex circle

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[Procedure amendment]

[Submission date] February 14, 2000 (2000.2.1
4)

[Procedure amendment 1]

[Document name to be amended] Drawing

[Correction target item name] Fig. 6

[Correction method] Change

[Correction contents]

FIG. 6

Claims (1)

[Utility model registration claims] 1. A cradle device with a hands-free function for a mobile phone in which an upper case and a bottom case are combined with a plurality of screws and one substrate is combined therein, and a sound transmission device is provided on one side of an upper end of the upper case. Then, the sound transmission device transmits the reception sound of the mobile phone to the one sound pickup device through the conduction tube, converts the sound into a sound frequency signal, and provides the same to the processing by the above-described board. One projection is provided, a set of indicators is provided on the projection, and the indicator is connected to the board by wiring, and a plurality of key switches are provided on one side of the board to correspond to the bottom case. The bottom substrate has one stop hole provided in the center of the bottom case and is combined with the stop hole of the assembly plate of one installation sheet. The above-mentioned substrate has the characteristic of FM signal emission. , It is connected to earphone socket Amplifies the audio frequency signal converted by the above-mentioned sound pickup device, activates one FM signal transmitter, one phase lock circuit, and uses the frequency set in one microcontroller to perform the antenna by the FM method. A mobile phone capable of emitting an FM signal, characterized in that the set frequency is displayed on a display, and the power supply of the substrate is first transmitted through a voltage stabilizer to stabilize the operation of the circuit. Cradle device with hands-free function for telephone.