KR200366861Y1 - Earphone for handfree - Google Patents

Abstract

The present invention discloses an earphone for hand-free that can be recorded by connecting a call using a mobile phone with a recording device as an auxiliary line if necessary.

The earphone of the present invention is configured to be used for hand-free during a call of a mobile phone, and is provided with a holder connected to third and fourth wires branched to first and second wires for transmitting a microphone signal and a speaker signal, respectively. The microphone signal and the speaker signal are output to the outside for recording through the holder by using an auxiliary line that can be used for signal transmission between the recording device and the recording device. Here, the holder may be integrally configured with a connector connected to the mobile phone.

Description

Earphones for hand-free {Earphone for handfree}

The present invention relates to an earphone for a handsfree, and more particularly, to an earphone for a handsfree which is improved to enable recording by connecting the contents of a call using a mobile phone to an auxiliary line if necessary.

Cell phones are a popular wireless mobile device, and as technology advances, various functions are mounted on the cell phones.

The mobile phone is equipped with components for two-way wireless communication in a case, and a earphone port for inserting earphones for hands-free communication or a port used for data transmission or power charging.

When moving or driving, the user can connect the earphone to the earphone port of the mobile phone and talk on the hand free.

In general, the earphone for a hands-free earphone includes a connector which can be combined with an earphone port of a mobile phone, a microphone unit for receiving a voice, and a speaker unit for outputting a voice on the other side of the phone.

By constant, the user can make a call using the mobile phone's own function or, if necessary, a handfree earphone.

However, the contents of the call need to be recorded as needed, and in this case, the conventional mobile phone or earphone does not provide a proper method of connecting with the recording device.

Therefore, the conventional earphone has a limited function to use in the call itself, there is a problem that it is difficult to reconfirm or prove the important call content as it can not record the call content through the mobile phone.

An object of the present invention for solving the above problems is to provide a hand-free earphone that can record the contents of the call to the mobile phone by connecting to the recording device if necessary.

1 is a circuit diagram showing a preferred embodiment of the hand-free earphone according to the present invention

2 is a circuit diagram showing a specific embodiment of the present invention

3 is a perspective view illustrating a use state of an embodiment

4 is a perspective view showing a jack of an embodiment

The hand-free earphone according to the present invention is configured to be used for hand-free when a mobile phone is called, and has a holder connected to third and fourth wires branched to first and second wires for transmitting a microphone signal and a speaker signal, respectively. By using the auxiliary wire that can be used for signal transmission between the holder and the recording device by the output to the microphone signal and the speaker signal to the outside for recording through the holder.

The holder may be integrally configured with a connector connected to the mobile phone.

At least one of an amplifier for amplifying a signal, a variable resistor for impedance matching, and a noise filtering filter may be configured on the third and fourth wires.

Hereinafter, a preferred embodiment of a handfree earphone according to the present invention will be described with reference to the accompanying drawings.

1 is a circuit diagram for implementing a hand-free earphone according to the present invention.

The earphone 100 has a connector 102, a speaker unit 103, a microphone unit 104, and a holder unit 120.

The connector 102 is for connecting with the cellular phone and has a microphone connection point MIC, a ground connection point GND, and a speaker connection point SPK, the microphone connection point MIC is connected to the wiring L1, the ground connection point GND is connected to the wiring L2, and the speaker connection point SPK Is connected to the wiring L3.

Here, the wiring L1 is used to transmit the microphone signal, and the wiring L3 is used to transmit the speaker signal. The wiring L2 is used for ground setting.

The speaker unit 103 converts an electrical signal transmitted through the connector 102 into an audible signal and outputs the audible signal, and is connected to the wires L2 and L3 for signal transmission.

The microphone unit 104 converts a user's voice into an electrical signal and transmits the signal, and is connected to the wires L1 and L2 for signal transmission.

In addition, the holder unit 120 outputs to the outside to record the signal transmitted through the wiring L1 and the wiring L3, for this purpose is connected to the wiring R1 branched to the wiring L1 and the wiring R2 branched to the wiring L3. The holder unit 120 is connected to a recording apparatus (described later) through an accessible auxiliary line (described later).

Here, the case where the holder unit 120 is formed integrally with the connector 102 is illustrated in Figs. 2 to 4 as an embodiment. However, the present invention is not limited thereto, and the holder unit 120 may be implemented at any position or part which can be connected by wiring, which can be determined by the manufacturer's choice.

By being configured as described above, the normal sign language is transmitted to the speaker unit 103 through the connector 102 and the wirings L2 and L3, and is output. The conventional sound signal is transmitted through the microphone unit 104 and the wirings L1 and L2. Sent to connector 102. The connector 102 is connected to the mobile phone to form an interface for transmitting the call and the handset in both directions.

At this time, the above-mentioned call sound and the call sound are transmitted to the holder unit 120 through the wires R1 and R2 branched to the wires L1 and L3. Therefore, when the recording device is connected to the holder unit 120 via the auxiliary wiring (to be described later), the handset sound can be recorded in the recording device.

Recording is performed while the user operates the recording function of the recording apparatus, and the recording capacity can be determined according to the recording medium available to the recording apparatus.

Here, an amplifier may be configured to amplify a signal output for recording on the wires R1 and R2, and a variable resistor or a noise filter may be configured for impedance matching and noise filtering. The amplifier, the variable resistor, and the filter may be easily configured by those skilled in the art, and thus, a detailed illustration thereof will be omitted.

Referring to FIG. 2, in the embodiment, the holder unit 120 is configured in the connector 102 as described above. That is, the holder 102a is configured on one side of the connector 102 to be connected to the mobile phone. Here, the holder 102a corresponds to the holder unit 120 of FIG. 1, and the connector 102 includes a connection terminal 102b connectable to the earphone terminal of the cellular phone.

In addition, the microphone unit 104 is configured in the middle of the earphone 100 wiring, and the microphone module 101 is configured by covering or molding the case to protect the microphone unit 104 and the wirings.

The speaker unit 103 is configured to be connected to the opposite end of the connector 102 by wiring.

The wirings L1, L2, L3, R1, and R2 are configured to be covered with a vinyl coating (not shown), and the position of the microphone module 101 may be determined according to the manufacturer's intention.

When the user wants to record the handset contents by configuring the hand-free earphone 100 as shown in FIG. 2, the mobile phone and the recorder may be connected as shown in FIG. 3 using the earphone 100.

Referring to FIG. 3, the speaker module 103 is inserted into the user's ear, and the opposite connector 102 is inserted into the earphone terminal (not shown) of the mobile phone 400.

Then, the connection between the connector 102 and the recording device 300 using the auxiliary line 200. At this time, the auxiliary wiring 200 is provided with connectors 201 and 202 at both ends, so that one end of the connector 201 is inserted into the holder 102a configured in the connector 102 of the earphone 100, and the other end of the connector ( 202 is inserted into an input terminal (not shown) of the recording device 300.

Herein, the coupling state between the holder 102a formed in the connector 102 of the earphone 100 and the connector 201 of the auxiliary wiring 200 may be made as shown in FIG. 4, and the holder 102a is connected to the connector 102. It is comprised on the opposite side in which the connection terminal 102b was formed.

As described above, the auxiliary wire 200 is connected to the earphone 100, the recording device 300 is connected to the auxiliary wire 200, and the mobile phone 400 is connected to the earphone 100.

Then, when the user manipulates the button of the recording device 300 while talking on the mobile phone 400, the contents of the call are transmitted through the earphone 100 and the auxiliary line 200, and the recording is recorded in the recording device 300.

The recording apparatus 300 usable in the present invention may be applied to any device capable of receiving and recording analog or digital signals transmitted and received by a mobile phone for hand-free.

In an embodiment, the branch positions of the wirings R1 and R2 may be variously determined according to the manufacturer's intention, such as a connector or a microphone module.

According to the present invention described above, when a user typically wants to record a necessary content during a call using a mobile phone, the user can simply record the connection between the recorder and the earphone through the auxiliary wiring, thereby improving the functionality and efficiency in using the earphone. have.

Claims (4)

In the earphone for the hand-free used for the call of the mobile phone, By using an auxiliary wire that can be used for signal transmission between the holder and the recording device by having a holder connected to the third and fourth wires branched to the first and second wires for transmitting the microphone signal and the speaker signal, respectively. Hand-free earphone, characterized in that for outputting the microphone signal and the speaker signal to the outside through the holder. The method of claim 1, The holder is a handfree earphone, characterized in that configured integrally with the connector connected to the mobile phone. The method of claim 2, The holder is a earphone for hand-free, characterized in that formed on the rear side of the connector is formed. The method of claim 1, And at least one of an amplifier for amplifying a signal, a variable resistor for impedance matching, and a noise filtering filter on the third and fourth wires.