KR101826083B1 - Pendant type bluetooth earphone - Google Patents

Abstract

The present invention relates to a necklace-type Bluetooth earphone with an automatic wire winding function. The necklace-type Bluetooth earphone has a wire automatically wound thereon in a normal situation, enables a user to pull the wire to the desired length when in use before using the Bluetooth earphone while the wire is in a static state, and automatically winds the wire after use. According to the present invention, the Bluetooth earphone includes: a Bluetooth body which includes a circuit board and automatic left and right wire winding modules stored in the internal space of a housing made of a front cover and a rear cover; and left and right receivers which are connected to the wire ends of the automatic left and right wire winding modules to be mounted on the Bluetooth body, are released from the Bluetooth body when the wire is pulled to be used while being worn on the ears, and convert electrical signals to sound to transmit the sound to the ears. The necklace-type Bluetooth earphone automatically winds the wire when the wire is pulled and released after use by adding the automatic winding function to the necklace-type earphone. The automatic wire winding module is hung on the necklace wire while being spaced from the Bluetooth body to pull the receivers down to draw out the wire for convenient use.

Description

PENDANT TYPE BLUETOOTH EARPHONE "

The present invention relates to a necklace-type Bluetooth earphone, and more particularly, to a necklace-type Bluetooth earphone, more specifically, a wire is automatically wound so that it is not exposed, and the wire is automatically rewound The present invention relates to a necklace-type Bluetooth earphone having a wire reeling function.

Generally, when listening to a moving picture or listening to a music using a portable media device, an earphone or the like is connected to the portable terminal so as not to be used anywhere. The earphone includes an earphone output unit for outputting sound, and an earphone cable (wire) for connecting the earphone output unit to the device and supplying signal output from the device to the earphone output unit to generate sound.

The earphone cable is manufactured with an extra length so that the user does not inconvenience the use of the earphone, and therefore, when the user does not use the earphone, the earphone cable tangles or twists. To solve this inconvenience, if the earphone cable wrapped around the auxiliary tool is pulled to a desired length, the earphone cable is extended from the auxiliary tool by a desired length, and the extended earphone cable is wound on the auxiliary tool Retractors have been developed and used.

Typically, the wire reeling device can be divided into a ratchet structure using a button for operation and a track structure for pulling and releasing a line without a button. A ratchet structure for automatically winding a string by operating a slide switch is disclosed in an earset to which a self-winding device disclosed in Korean Patent Registration No. 10-1289244 is applied. The typical track structure of the wire reeling device has concentric inner tracks that automatically roll the string by the resilience of the outer track and spring to release the string and the transition for the inter-track movement between the outer and inner tracks Region is formed, and a stop region is formed in a part of the transition region. In such a track-type wire reeling device, wire pulling, stopping, wire winding, and the like are performed by a ball or a pin which is guided to a track and a track. In the automatic reeling device of the track structure, A track-ball structure is disclosed in the winding device.

Meanwhile, the conventional necklace type earphone has a "safety earphone cap device" which is disclosed in Registration No. 10-1380844. The safety earphone cap device is configured to insert a character-shaped body into an earphone jack of a smartphone The Bluetooth earphone registered with the registration number 10-1374008 can exchange data wirelessly with the portable terminal, and the earphone is drawn and pulled by the winding part to solve the problem of line kink, and a cute and beautiful design is provided .

KR 10-1518010 B1 KR 20-0469972 Y1

The conventional necklace type earphone has a problem that the string is not exposed due to lack of a wire reeling device, or the character is fixed to the main body so that it can not be replaced with a desired character.

SUMMARY OF THE INVENTION The present invention has been proposed in order to solve the above-mentioned problems. It is an object of the present invention to provide a wire harness for a wire harness, The present invention provides a necklace-type Bluetooth earphone having a wire rewinding function that can be automatically rewound.

Another object of the present invention is to provide a necklace-type Bluetooth earphone which can be easily replaced with a character desired by the user by using a detachable character plate.

According to an aspect of the present invention, there is provided an apparatus including a Bluetooth main body having a circuit board and a left / right wire reeling module housed in a space inside a housing made of a front cover and a rear cover; And a left / right wire which is connected to the wire end of the left / right wire reeling module and is seated on the Bluetooth body and pulled out of the Bluetooth body to pull out the wire, And a receiver.

According to another aspect of the present invention, there is provided an apparatus comprising: a Bluetooth main body having a circuit board housed in a space inside a housing of a front cover and a rear cover; A left / right wire winding main body connected to the Bluetooth main body through a code line and accommodating a left / right wire winding module; When the wire is pulled, it is detached from the left / right wire winding body and can be inserted into the ear to be used, and an electric signal is converted into sound And a left / right receiver for allowing the user to listen by ear.

The necklace-type Bluetooth earphone may further include a character plate to which the NFC tag is attached, detachably attached to the housing, a predetermined character is formed on the outside, and information about the character is stored.

The Bluetooth body includes an NFC reader for reading the NFC tag, a Bluetooth module for communicating with the host device in a Bluetooth manner, an audio memory storing voice guidance data corresponding to each character plate, An audio processing unit for converting the audio data into analog data and outputting the left and right audio signals after the audio data is converted into analog data, a button unit, and a power supply unit for supplying power to the host device through the Bluetooth module, And if the character plate information received through the NFC reader is different from the stored character plate information, it is determined that the character plate information is newly replaced, and the corresponding character guide data is fetched from the voice memory, and transmitted to the audio processing unit, .

The wire reeling module includes a fixed bottom plate having a columnar shaft rod protruded in the center thereof, and a wire receiving portion having a wire wound on an outer circumferential surface thereof. The wire receiving portion has a space for receiving a spring on one side thereof. A rotating body which is rotated in the first direction about the circumferential shaft rod to release the wire, stops when the external force is removed or rotates in the second direction to wind the wire, An elastic spring for accumulating a returning force during rotation and applying a rotational force in a second direction to the rotating body when an external force is removed; a first track for performing a wire releasing operation by allowing free rotation in a first direction; A second track for allowing a free rotation in two directions to perform a wire pulling operation, and a second track extending from the first track to the second track An intermediate track for guiding the first track from the stop position to finely adjust the length of the wire, and a second track for connecting the second track to the first track, A track rotator formed integrally with the rotary body, and a window for exposing tracks of the track rotator, wherein the track rotator is fixed to the stationary lower plate, And a track pin portion that is interlocked with the track rotating body and moves along the track to control wire unwinding, stopping, and wire retracting operations.

According to the present invention, a neck strap type earphone is provided with a function of automatically winding a wire, and when the wire is pulled after being used, the wire is automatically wound and convenient to use.

In addition, according to the present invention, since a user can use a desired character in accordance with his / her preference, the user can satisfy the user's needs. In particular, when the character is replaced, information (character's crying sound, etc.) And a notification function such as an incoming call notification can be provided as a voice of a character.

According to an embodiment of the present invention, since the wire winding module is separated from the Bluetooth main body and hanged on the necklace string, the receiver can be pulled downward to conveniently draw the wire.

1 is a perspective view of a necklace-type Bluetooth earphone according to a first embodiment of the present invention,
FIG. 2 is a view showing a state in which a front cover of a necklace-type Bluetooth earphone according to a first embodiment of the present invention is removed, FIG.
FIG. 3 is a view showing a state in which a rear cover of a necklace-type Bluetooth earphone according to a first embodiment of the present invention is removed, FIG.
FIG. 4 is a first exploded perspective view of a necklace-type Bluetooth earphone according to the first embodiment of the present invention, FIG.
FIG. 5 is a second exploded perspective view of a necklace-type Bluetooth earphone according to the first embodiment of the present invention, FIG.
6 is a block diagram of a necklace-type Bluetooth earphone according to the first embodiment of the present invention,
FIG. 7 is an operational flowchart of a necklace-type Bluetooth earphone according to the first embodiment of the present invention,
Fig. 8 is an exploded perspective view of the wire winding module shown in Fig. 4,
FIG. 9 is a front view of a necklace-type Bluetooth earphone according to a second embodiment of the present invention;
10 is a rear view of a necklace-type Bluetooth earphone according to a second embodiment of the present invention.
11 is an exploded perspective view of a necklace-type Bluetooth earphone according to a second embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features, and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings. The following examples are merely illustrative of the present invention and are not intended to limit the scope of the present invention.

1 is a perspective view of a necklace-type Bluetooth earphone according to a first embodiment of the present invention.

1 to 3, the necklace-type Bluetooth earphone 100 according to the first embodiment of the present invention includes a character plate 110 removably attached to the front case 122 and having various characters drawn thereon, A main body 100a in which a circuit board and a left / right wire retracting module are accommodated in a housing inner space formed by a front cover 122 and a rear cover 124, a wire wound around a left / right wire retracting module, And a left / right receiver 142L / 142R that can be detached from the main body when pulled and can be used by being plugged into the ear, and to convert electrical signals into sound and listen with the ear.

Referring to FIG. 1, the main body 100a is formed in a substantially rectangular tube shape, and a volume button 128 for operating a volume is protruded on one side, and a USB port 126 for charging the internal battery 131 is formed And a power button 129 for operating power and various functions is protruded from the other side. And a pair of receivers 142L / 142R are seated on a hole in the upper side. The necklace-type Bluetooth earphone 100 according to the present invention is worn around the neck 144 by a string, and the left / right receiver 142L / 142R can be pulled and inserted into the ear. In the first embodiment of the present invention, the main body 100a may be formed in various shapes such as a rectangular shape, a circular shape, and a heart shape.

FIG. 2 is a view showing a state in which a front cover of a necklace-type Bluetooth earphone according to a first embodiment of the present invention is removed, FIG. 3 is a view illustrating a state in which a rear cover of a necklace- FIG. 4 is a first exploded perspective view of a necklace-type Bluetooth earphone according to a first embodiment of the present invention, and FIG. 5 is a second separated perspective view of a necklace-type Bluetooth earphone according to the first embodiment of the present invention.

2 to 5, a printed circuit board (PCB) 130 on which various circuit elements are mounted, a battery 131, and a battery 130 are mounted in the main body 100a of the Bluetooth earphone according to the first embodiment of the present invention, A USB port 126, a vibration motor 132, a left / right wire retracting module 140L / 140R, a wire guide 148, and a left / right receiver seating 146L / 146R.

A Bluetooth module 133 for communicating with a host device such as a cellular phone in a Bluetooth manner and an audio processing unit 135 are mounted on the printed circuit board 130 and are connected to the left / Right stereo audio signal. The battery 131 is charged through the USB port 126 to supply power to the circuit element, and the vibration motor 132 vibrates according to the control signal to inform the operating state. The left / right wire winding module 140L / 140R winds the wire 144 for transmitting the audio signal of the printed circuit board 130 to the receiver side, and when the user pulls the wire 144, Release it and release it, stop it, and if you pull the wire, it automatically rewinds it so that the wire is not exposed when not in use.

8, the wire winding module 140L / 140R includes a fixed lower plate 2110, a signal transmission portion 2120, a rotating body 2130, a winding spring 2140, a track rotating body 2150, A fixed top plate 2160, and a track pin portion 2170.

8, the fixed lower plate 2110 has a substantially rectangular plate shape, and a columnar shaft rod 2112 protruding therefrom in which various components are fitted, and the fixed plate 2160 is coupled to the fixed upper plate 2160 with screws 2164 at four corners A support rod 2114 is formed.

 The signal transmitting unit 2120 includes a signal receiving substrate 2122 for receiving an electrical signal from the outside and a contact spring 2124 for contacting the signal receiving substrate 2122 and transmitting an electrical signal to the wire side during rotation, And transmits an electric signal transmitted from the audio processing unit 135 of the main body to the wire 144 side.

The rotary body 2130 is formed with a wire mount portion 2132 around which a wire 144 is wound and a space 2134 for receiving the spring 2140 is formed on one side of the rotary body 2130, And is inserted into the columnar shaft rod 2112 to be rotatably coupled to the rod 2112.

The spring 2140 has a semicircular inner fixing portion 2144 fitted in the slit 2112a of the shaft rod 2112 and an outer fixing portion 2142 fitted in the fixing protrusion 2136 of the rotating body 2130 The rotating body 2130 accumulates the return force when rotating in the first direction in which the wire 144 is loosened and applies the rotating return force in the second direction to wind the wire 144 at the time of stopping the rotating body 2130 do. The spring 2140 is accommodated in the receiving space 2134 of the rotating body and is fixed to the disc 2136 and the washer 2138.

The fixed upper plate 2160 has a substantially rectangular plate shape and is formed with a window 2162 through which the track of the track rotating body 2150 is exposed and is fastened with the support rod 2114 of the fixed lower plate 2110 by a screw 2164, Lt; / RTI >

The track pin portion 2170 is composed of a track pin 2172, a track pin guide 2174, and a guide fixing rivet 2176. The upper part of the track pin 2172 is inserted into a hole of the track pin guide 2174 so that the receiving part is pressed downward by the track pin guide 2174. The lower part is formed into a cylindrical shape having a diameter of approximately 0.3 mm, As shown in FIG. The track pin guide 2174 has a track pin 2172 fixed to one end thereof and a second end fixed to the rotation shaft. The track pin guide 2174 is pivotally movable in a predetermined angular range and has a predetermined elastic bend, And the guide fixing rivet 2176 is for fixing the track pin guide 2174 to the hole 2166 of the fixed top plate so as to be rotatable. The track pin 2172 which is supported by the fixed top plate 2160 and brought into close contact with the track of the track rotating body 2150 through the window 2162 moves leftward and rightward within a limited range of the window 2162, Middle tracks and connection tracks.

In the embodiment of the present invention, a wire-winding module with a track-pin structure is described as an example, but a wire-winding module of a ratchet structure (button structure) may be used.

2 to 5, the wire guide 148 guides the wires 144 connected from the left / right wire retraction module 140L / 140R to the left / right receiver 142L / 142R side by side, / Right receiver mounting portion 146L / 146R supports the receiver 142L / 142R to be seated on the main body 100a when the wire 144 is wound.

FIG. 6 is a block diagram of a necklace-type Bluetooth earphone according to the first embodiment of the present invention, and FIG. 7 is an operational flowchart of a necklace-type Bluetooth earphone according to the first embodiment of the present invention.

6, the Bluetooth earphone 100 according to the first embodiment of the present invention includes a plurality of character plates 110-1 to 110-N each having an NFC tag 112 attached thereto, a USB charging unit A volume up switch 128a, a volume down switch 128b, a power button 129, a battery 131, a vibration motor 132, a Bluetooth module 133, an NFC reader 134, an audio processor 135 A microcomputer 136, a voice memory 137, and microphones 138-1 and 138-2.

6, the character plates 110-1 to 110-N are attached or formed with their own unique characters on the outer surface, and the NFC tags 112 attached to the character plates 110 correspond to corresponding Information about the character plates 110-1 to 110-N is listed.

The NFC reader 134 reads the data of the NFC tag 112 and transmits the read data to the microcomputer 136 and the Bluetooth module 133 communicates with a host device (not shown) such as a cellular phone by Bluetooth.

The voice memory 137 stores voice guidance data corresponding to each of the character plates 110-1 to 110-N. The vibration motor 132 vibrates according to a control signal when receiving an incoming call, It informs.

The volume up switch 128a and the volume down switch 128b are connected to the corresponding contacts according to the operation of the volume button 128 and transmit the user's operation to the microcomputer 136. The power button 129, And transmits user operations such as power on / off, call reception / termination, play / stop, etc. to the microcomputer 136 as shown in FIG.

The USB charging unit 126a charges the battery 131 through the USB port 126. The microphones 138-1 and 138-2 convert the user's voice into an electrical signal and transmit the electrical signal to the audio processing unit 135, The processing unit 135 converts the audio data received from the host device (not shown) or the audio data of the audio memory 137 into analog data under the control of the microcomputer 136, amplifies the audio data to a predetermined amplification degree, .

When the power button 129 is turned on, the microcomputer 136 connects to the host device via the Bluetooth module 133. If the character plate information received through the NFC reader 134 is different from the previously stored character plate information, And the character guide data is fetched from the voice memory 137 and transferred to the audio processing unit 135 to guide the character replacement. The microcomputer 136 also drives the vibration motor 132 to notify the user when the incoming signal is received and performs the corresponding function according to the operation of the volume button 128 or the power button 129.

The necklace-type Bluetooth earphone according to the first embodiment of the present invention operates as shown in FIG. 7 so that it can listen to music or make a call.

First, operation of each button in the necklace-type Bluetooth earphone according to the first embodiment of the present invention is defined as shown in Table 1 below.

function Button operation Remarks Power on / off Power button Longer than 2 seconds Receive / hang up calls When I get a call, I press the power button Button operation 1 Play / Stop Power button short 2 times Button operation 2 Next song Volume up button during playback Shortly 2 times Previous song Volume Down Button Shortly 2 times during playback volume up Volume up button during call or music playback Volume down Short press or hold volume down button during call or music playback

Referring to FIG. 7, when the power button 129 is pressed for more than two seconds while the power is turned off, the power of the earphone is turned on (S101).

When the power is turned on, the microcomputer 136 is connected to the host device via the Bluetooth module 133, obtains the character information of the NFC tag 112 from the NFC reader 134, compares the character information with the previously stored character information, It is determined that the plate has been replaced and the guidance voice corresponding to the newly recognized character plate is fetched from the voice memory 137 and the character replacement is voiced and the current character information is updated (S102 to S105).

If the user presses the power button 129 for a short time (button operation 1), the vibration motor 132 is operated to inform the user of the incoming call signal, When the call volume up / down button 128 is operated, the volume of the audio processing unit 135 is adjusted to adjust the volume up / down (S106 ~ S112). When the user presses the power button 129 for a short period of time (button operation 1), the character is notified of the state by the voice of the character and the telephone is disconnected (S113, S114).

When the music is received from the host device in the standby state and the user presses the power button a short time twice (button operation 2), the music is reproduced to be heard, and when the volume up / down button 128 is operated during music reproduction, (S115 to S119) by adjusting the amplification degree of the amplifier 135 to adjust the volume. In addition, if the volume up switch 128a is shortly pressed twice, the music is moved to the next music. During the music playing, if the volume down switch 128b is shortly pressed twice, the music is moved to the previous music (S120, S121). When the user presses the power button 129 twice a short time (button operation 2) during music reproduction, the music reproduction is stopped (S122, S123). Meanwhile, when the power button 129 is pressed for more than two seconds while the power is on, the state of the earphone is informed by the character voice and the power of the earphone is turned off (S124, S125).

Although the first embodiment of the present invention described above is a one-piece type in which the wire winding module 140R / L is built in the main body 100a, the second embodiment of the present invention is such that the wire winding module 214R / .

FIG. 9 is a front view of a necklace-type Bluetooth earphone according to a second embodiment of the present invention, FIG. 10 is a rear view of a necklace-type Bluetooth earphone according to a second embodiment of the present invention, Fig. 2 is an exploded perspective view of a necklace type Bluetooth earphone according to an example.

As shown in FIGS. 9 to 11, the necklace-type Bluetooth earphone 200 according to the second embodiment of the present invention includes a necklace string 202, a left / right wire-winding body 210L / 210R, A receiver 220L / 220R, an extension cord 204, and a Bluetooth main body 230.

The left / right wire winding main body 210L / R includes a wire winding module 214L / R as shown in FIG. 11 and a rear cover 212R / 212L for accommodating the wire winding module 214L / R. And a front cover 216R / 216L, and the left / right receiver 220R / 220L is connected to the wire end of the wire retracting module 214R / 214L and is accommodated in the wire reeling body 210R / 210L have.

The power supply button 232 and the volume button 234 are exposed on the side of the Bluetooth body 230. The PCB body 230a and the power supply button 234 are disposed inside the housing made up of the rear case 236 and the front case 238. [ Are mounted on the printed circuit board. The Bluetooth body 230 is physically hooked to the wire winding body 210R / 210L by the extension cord 204 and the extension cord 204 electrically connects the left and right audio signals of the Bluetooth body 230 to the wire Is connected to the wire winding module 214R / 214L of the winding main body 210R / 210L.

Although not shown in the drawing, a character plate (not shown) may be attached to the front case 236 of the Bluetooth body in the same manner as in the first embodiment to replace the user's preferred character.

The necklace-type earphone 200 of the second embodiment has the structure in which the wire winding module 214R / L is separated from the Bluetooth body 230 to hang on the necklace string 202, so that the receiver 220L / So that the wire can be drawn out and used conveniently. Thus, the remaining structure is the same as that of the first embodiment, so that further explanation will be omitted.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

100, 200: Necklace-type Bluetooth earphone 100a: Bluetooth body
110, 110-1 to 110-N: Character plate 112: NFC tag
122: front cover 124: rear cover
125: Hook 126: USB port
128,232: Volume button 129,234: Power button
130: printed circuit board 131: battery
132: Vibration motor 133: Bluetooth module
134: NFC reader 135: Audio processor
136: Microcomputer 138-1, 138-2: Microphone
140L / 140R: Wire retracting module 142L / 142R, 220L / 220R: Receiver
144: Neck strap 146L / 136R: Receiver seat
210R / 210L: Wire winding body 230: Bluetooth body

Claims (5)

A Bluetooth main body accommodating a circuit board and a left / right wire retract module in a housing inner space defined by a front cover and a rear cover;
A character plate to which the NFC tag is detachably attached to the housing and has a predetermined character formed on the outside thereof and on which information about the character is placed; And
A left / right receiver connected to a wire end of the left / right wire retracting module and seated on the Bluetooth main body, detached from the Bluetooth main body when the wire is pulled and used for plugging into an ear, Necklace-type Bluetooth earphone with wire rewinding function. A Bluetooth main body having a circuit board housed in a housing inner space defined by a front cover and a rear cover;
A character plate to which the NFC tag is detachably attached to the housing and has a predetermined character formed on the outside thereof and on which information about the character is placed;
A left / right wire winding main body connected to the Bluetooth main body through a code line and accommodating a left / right wire winding module; And
When the wire is pulled out, it is detached from the left / right wire-winding main body and can be inserted into the ear, and the electric signal is converted into sound Necklace-type Bluetooth earphone with wire rewind function that includes a left / right receiver that allows you to listen with your ear. delete 3. The method according to claim 1 or 2,
The Bluetooth main body includes:
An NFC reader for reading the NFC tag,
A Bluetooth module for communicating with the host device in a Bluetooth manner,
An audio memory in which voice guidance data corresponding to each of the character plates is stored,
A vibration module that vibrates according to a control signal,
An audio processing unit for converting the audio data into analog data and then amplifying the audio data to output left and right audio signals,
Button portion,
When the power is turned on by the operation of the button unit, it is connected to the host device through the Bluetooth module, and if the character plate information received through the NFC reader is different from the stored character plate information, And transmits the guidance data to the audio processing unit to guide the replacement of the character. 3. The system of claim 1 or 2, wherein the wire reeling module
A fixed bottom plate protruding from the center of the columnar shaft rod,
A wire receiving portion for receiving a wire is formed on an outer circumferential surface thereof, and a space for receiving a spring is formed on one side of the wire. When the wire is pulled, the wire is rotated in the first direction about the circumferential shaft rod, A rotating body for stopping or rotating in a second direction to wind the wire,
An elastic spring accommodated in the space to accumulate a returning force when the rotating body rotates in a first direction and to apply a rotating force in a second direction to the rotating body when an external force is removed,
A first track for allowing a free rotation in a first direction to perform a wire releasing operation, a second track for allowing a free rotation in a second direction to perform an automatic wire winding operation, An intermediate track for guiding the first track from the stop position to finely adjust the length of the wire and a second track for connecting the first track to the second track, A track rotating body integrally rotated with the rotating body,
A stationary upper plate formed with a window through which tracks of the track rotating body are exposed and which is fastened to the stationary lower plate to maintain an assembly shape;
And a track pin portion that is interlocked with the track rotating body and moves along the track to control the winding, stopping, and wire winding operation of the wire.

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