KR20000000029A - Earphone type wireless telephone system - Google Patents

Abstract

PURPOSE: An earphone type radio telephone system is provided to call with user's free motion and enhance portability. CONSTITUTION: The earphone type radio telephone system comprises: a receipt frequency band filter(111) filtering only the receipt voice signal band; a receipt signal amplifier(112) amplifying the receipt voice signal to the magnitude which user can identify; speakers(113,303) converting the receipt voice signal into the voice which user can identify; a mike(106) converting user's voice into electric transmission voice signal; a transmission amplifier(114) amplifying the transmission signal to prescribed magnitude; an antenna match filter(115); an interference prevention filter(118); a communication switch(107); a hook-on signal generator(117); and a battery(116).

Description

Earphone type cordless telephone system {EARPHONE TYPE WIRELESS TELEPHONE SYSTEM}

The present invention relates to an earphone-type wireless telephone system, and more particularly, the main body of the telephone, the handset and the handset, and the automatic dialing device are separated, and the main body constitutes a keypad for dialing, and the handset has a microphone, an antenna, It is configured in the form of an earphone having a speaker, the automatic dialing device is configured by a keypad for dialing, relates to an earphone-type wireless telephone which is easy to carry and allows a user to make a call while performing a more free operation.

In general, a telephone is a representative means for communication between remote users. In order to pursue the convenience of the user, the telephone has been developed from a wired method to a wireless method, and a general telephone and a portable phone using a wireless method are widely used.

Conventional radiotelephones are subject to behavioral constraints because both hands cannot be used to make a telephone call while performing work at home or at the office because the telephone must be supported with one hand. In particular, when a driver needs to make a call in a driving vehicle, the driver must stop and make a call while the driver is driving while driving. This is not a very dangerous behavior that is directly related to safety issues. Can't. Moreover, certain countries in Europe legally restrict drivers from using mobile phones in driving vehicles.

In order to solve this inconvenience, a conventional wireless hands-free telephone has been proposed. When the wireless hands-free telephone is mounted in the vehicle, the microphone and the speaker connected to the telephone by wire are installed at a predetermined position in the vehicle, and the user can talk to the other party by pressing the call button of the telephone.

On the other hand, the portable wireless hands-free telephone allows the user to attach the telephone to the waist belt and to connect the wired earphone to the telephone to use, thereby maintaining the security of the call.

However, according to the conventional wireless hands-free telephone, the following problems occur.

First, the vehicle wireless hands-free telephone has a security problem because the user's call is exposed to the outside.

Secondly, the portable wireless hands-free telephone has the inconvenience that the user should always carry the telephone.

Third, in-vehicle and portable wireless hands-free telephones are limited in the user's active area because earphones, microphones, and speakers are wired to the telephone. In particular, when it is necessary to perform other tasks during a call, there is a case where other tasks are disturbed by the wires derived from the telephone.

As a result, there is a demand for the development of a wireless telephone that allows the user to use the telephone more conveniently and at the same time does not restrict the user's active area.

Therefore, the present invention is to solve such problems, an object of the present invention is to integrate the microphone, speaker and antenna to configure the handset / handset in the form of earphones, to separate the handset and the telephone body wirelessly, The main body is provided with a keypad for dialing, the user's active area is not limited, to provide an earphone-type wireless telephone system to provide convenience in use.

In addition, another object of the present invention is to provide an earphone-type wireless telephone system that can be easily dialed even when the user is away from the main body by enabling dialing through a separate automatic dialing device.

1A is a front view of a handset / handset of an earphone type telephone system applied in the present invention,

1B is a rear view of a handset / handset of the earphone type telephone system applied in the present invention,

2 is a structural diagram of a main body of the earphone type telephone system applied in the present invention,

3 is a structural diagram of an automatic dialing device of the earphone type telephone system applied in the present invention,

4 is a partial cutaway view of the antenna for the handset / receiver shown in FIGS. 1A and 1B;

5 is an overall conceptual diagram of an earphone-type wireless telephone system applied to the present invention,

6 is a schematic block diagram of the main body shown in FIG.

7 is a schematic block diagram of the handset / receiver shown in FIG. 5;

FIG. 8 is a schematic block diagram of the automatic dialing device shown in FIG. 5.

<Description of the code | symbol about the principal part of drawing>

100: handset 101: basic frame

102: speaker housing 103: battery housing

104: support portion 105: extension rod

106: microphone 107: call switch

108, 201: Battery charging terminal 109: Antenna for transceiver

110: microphone line 111: reception frequency band filter

112: reception amplifier 113, 303: speaker

114: transmit amplifier 115: antenna matching filter

116: battery 117: hook-on signal generator

118: anti-interference filter 200: main body

202 and 302: keypad 203: display portion

204: main body antenna 205: storage groove

206: magnet 207: trunk line connection terminal

208: power connection terminal 209: control unit

210: trunk line matching unit 211: currency circuit unit

212 and 305: DTMF signal generator 300: automatic dialing device

301 frame 304 central processing unit

306: memory

A feature of the present invention for achieving the above object is an in-ear cordless telephone system including a main body connected to a trunk line and a handset configured to enable wireless communication with the main body: And a reception frequency band filter for filtering only a band of a reception voice signal to be received among voice signals transmitted through a transmission / reception antenna, a transmission / reception antenna, and a predetermined frequency filtered by the reception frequency band filter. A receiver amplifier for amplifying a received voice signal in a frequency band to a predetermined size that can be recognized by a user, a speaker for converting the received voice signal amplified by the receiver amplifier into a voice that can be identified by a user, and a voice spoken by the user Converts the signal into an electrical transmission voice signal and amplifies the transmission voice signal input through the microphone to a predetermined size. A transmission amplifier, an antenna matching filter for converting a transmission voice signal amplified by the transmission amplifier to a band different from the filtering band of the reception frequency band filter and preventing spurious, and interference preventing interference of the transmission voice signal and the reception voice signal. A prevention filter, a call switch operable by the user, a hook-on signal generator for generating a hook-on signal in accordance with the switching state of the call switch, a hook-on signal generator in accordance with the switching state of the call switch, and each A battery for selectively supplying driving power to the component; The main body has a keypad with a plurality of numeric buttons and function keys related to the call, an antenna for the main body transmitting and receiving call information, and a hook-off state as the supply state of the hook-on signal is cut off. A control unit that judges and initializes and analyzes and processes the information input from the keypad, and controls the driving power supplied through the power connection terminal to be supplied to each component in the main body, and controls each component in the main body to perform a telephone function. And a CO line matching unit that matches the impedance with the CO line to enable telephone use, and amplifies the voice signal received by the CO line matching unit, and transmits the amplified voice signal to the transmitter / receiver through the main antenna. DTMF amplifies the transmitted voice signal received from the receiver and outputs it to the CO line matching unit, and the key input signal provided from the keypad. Fenugreek has a point including a DTMF signal generator for modulation by dialing.

Here, the earphone type telephone system includes: a first battery charging terminal formed at a predetermined position of the main body and transferring driving power supplied from the power connection terminal to the transmitter / receiver as the transmitter / receiver and the main body are coupled; And a second battery charging terminal which is formed at a point opposite to the first battery charging terminal and supplies the driving power delivered from the first battery charging terminal to the battery as the main body and the handset are coupled to the battery. .

In addition, the main body further includes a display unit composed of at least one light emitting element for displaying an operating state of the main body, and the display unit includes at least a light emitting element for displaying a call function, a dialing function, and a charging function.

On the other hand, another feature of the present invention, in-ear cordless telephone system comprising a main body connected to a trunk line and a built-in communication circuit, and a wireless receiver and a transceiver, a microphone, a speaker, and a battery are built in the main body. The receiver includes: a speaker compartment protruding from the back of the base frame so that the speaker is built in, a battery compartment protruding from the front of the base frame so that the battery is built in, and a receiver A support that extends from the base frame to support the handset, an extension rod extending in the direction where the user's mouth is located when the receiver is worn on the user's ear, a microphone installed at the end of the extension rod, and adjacent to the battery compartment A call switch installed at the branch to be operable by the user; The main body is provided with a receiving groove machined to correspond to the shape of the handset at a predetermined position on the plane of the main body so that the handset is received, and the number buttons 0-9 and the * button and the ＃ button and various function buttons related to the call are provided. It includes an array of keypads, an antenna for the main body installed in a predetermined position on the side of the main body so as to communicate wirelessly with the transmitter / receiver, a trunk line connection terminal connected to a trunk line, and a power connection terminal for supplying driving power to the main body. Is in.

Here, the extension rod and the microphone wire for electrically connecting the microphone and the telephone circuit in the basic frame; And an antenna line for transmitting / receiving telephone information so that the transmitter / receiver and the main body can mutually communicate wirelessly.

In addition, the main body further includes a fixing member attached to a predetermined position of the receiving groove to prevent the transmitter / receiver from being separated when the transmitter / receiver is accommodated in the receiving groove of the main body.

In this case, the fixing member may include a metal member installed at a point adjacent to the third battery charging terminal of the handset; And a magnet attached to a position opposite the metal member.

On the other hand, another feature of the present invention is an earphone type telephone system including a main body connected to a trunk line, a handset configured to enable wireless communication with the main body, and an automatic dialing device for dialing a telephone number through a handset. The receiver / receiver is a reception frequency band filter that filters only a band of a reception / reception antenna for transmitting / receiving call information to / from the main body and a voice signal transmitted through the transceiver / receiver antenna. And a receiving amplifier for amplifying the received voice signal of the predetermined frequency band filtered by the receiving frequency band filter to a predetermined size that can be recognized by the user, and a voice for the user to identify the received voice signal amplified by the receiving amplifier. Through the speaker to convert, the microphone which converts the voice spoken by the user into an electric transmission voice signal, and a microphone A transmission amplifier for amplifying the input transmission audio signal to a predetermined size, an antenna matching filter for converting the transmission audio signal amplified by the transmission amplifier to a band different from the filtering band of the reception frequency band filter and preventing spurious, and a transmission voice Anti-interference filter for preventing interference between signal and incoming voice signal, Call switch operable by user, Hook-on signal generator for generating hook-on signal according to switching state of call switch, Switching of call switch A battery for selectively supplying driving power to the hook-on signal generator and each component according to the state; The main body has a keypad with a plurality of numeric buttons and function keys related to the call, an antenna for the main body transmitting and receiving call information, and a hook-off state as the supply state of the hook-on signal is cut off. A control unit that judges and initializes and analyzes and processes the information input from the keypad, and controls the driving power supplied through the power connection terminal to be supplied to each component in the main body, and controls each component in the main body to perform a telephone function. And a CO line matching unit that matches the impedance with the CO line to enable telephone use, and amplifies the voice signal received by the CO line matching unit, and transmits the amplified voice signal to the transmitter / receiver through the main antenna. DTMF amplifies the transmitted voice signal received from the receiver and outputs it to the CO line matching unit, and the key input signal provided from the keypad. Fenugreek modulation includes a DTMF signal generator for dialing, and; The automatic dialing device includes a keypad arranged with a plurality of numeric buttons, at least dialing buttons and memory buttons, a memory for storing at least one phone number information and temporarily storing phone number information input by a user, and according to an input state of a keypad. A central processing unit for detecting telephone number information stored in a memory, a DTMF signal generating unit for generating a DTMF signal corresponding to the telephone number information detected by the central processing unit, and a DTMF signal generated by the DTMF signal generating unit as voice output The point is to include speakers.

Here, the central processing unit detects the phone number information temporarily stored in the memory as the dialing button in the automatic dialing device is input, and responds one-to-one to the number buttons input as the memory button and the numeric button in the automatic dialing device are sequentially input. Detect phone number information stored in memory.

On the other hand, another feature of the present invention is a main body connected to a trunk line and a built-in communication circuit, a handset configured to enable wireless communication with the main body, a microphone, a speaker and a battery, and a telephone through the handset. An in-ear cordless telephone system including an automatic dialing device for dialing a number, wherein the handset has a speaker housing formed to protrude from the back of the base frame so that the speaker is built in, and a battery protruded from the front of the base frame so that the battery is built in An extension extending from the base frame to support the receiver when the receiver is worn on the user's ear, and an extension extending in the direction in which the user's mouth is located when the receiver is worn on the user's ear User at the point adjacent to the rod, the microphone installed at the end of the extension rod, and the battery compartment It includes a call switch provided to enable operation, and; The main body is provided with a receiving groove machined to correspond to the shape of the handset at a predetermined position on the plane of the main body so that the handset is received, and the number buttons 0-9 and the * button and the ＃ button and various function buttons related to the call are provided. An arrayed keypad, a main body antenna installed at a predetermined position on the side of the main body so as to be able to communicate wirelessly with the transmitter / receiver, a trunk line connection terminal connected to the trunk line, and a power connection terminal for supplying driving power to the main body; The automatic dialing device includes a keypad having at least numbers 0 to 9, *, ＃, dialing buttons, and memory buttons, and a speaker for outputting a predetermined dial tone in response to an input state of the keypad.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. First, in adding reference numerals to the elements of each drawing, it should be noted that the same elements are denoted by the same reference numerals as much as possible even if they are displayed on different drawings. In addition, in the following description there are shown a number of specific details, such as components of the specific circuit, which are provided only to help a more general understanding of the present invention that the present invention may be practiced without these specific details. It is self-evident to those of ordinary knowledge in Esau. In describing the present invention, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

Figure 1a is a front view of the handset / handset of the earphone type telephone system applied in the present invention, Figure 1b is a rear view of the handset / handset of the earphone type telephone system applied in the present invention, Figure 2 The structural diagram of the main body of the earphone type telephone system applied in the present invention is shown, Figure 3 is a structural diagram of the automatic dialing device of the earphone type telephone system applied in the present invention, Figure 4 in Figures 1a and 1b A partial cutaway view of an antenna for a handset / receiver is shown, and FIG. 5 is a schematic conceptual diagram of an earphone-type wireless telephone system applied to the present invention, and FIG. 6 is a schematic block diagram of the main body shown in FIG. 7 shows a schematic block diagram of the handset / receiver shown in FIG. 5, and FIG. 8 shows an automatic Schematic block diagram of a dialing device is also is shown.

First, the earphone-type wireless telephone system applied to the present invention can be largely divided into a transmitter / receiver 100 part, a main body 200 part, and an automatic dialing device 300.

First, referring to FIGS. 1A and 1B, the structure of the handset / handset 100 of the earphone-type wireless telephone system applied to the present invention will be described. The speaker accommodating part 102 is formed to protrude from the base frame 101 so that a speaker for outputting a signal is built in, and a battery for supplying driving power of the transmitter / receiver 100 is built in front of the base frame 101. The battery accommodating part 103 is formed to protrude from the base frame 101. In addition, one side of the base frame 101 is formed with a support 104 for supporting the handset 100 when the user wears the handset 100 in the ear, the other side of the base frame 101 The extension rods 105 extending by the distance from the user's ear to the mouth is installed, and the end of the extension rod 105 has a microphone 106 for converting the user's voice into an electrical signal. Then, a call switch 107 that allows a user to select a call function is installed at a point adjacent to the battery accommodating part 103, and a handset / receiver 100 is located at a point adjacent to the speaker 102. When stored in the battery charging terminal 108 is connected to the battery charging terminal (201 of FIG. 2) of the main body 200 to receive the driving power to charge the battery.

Next, referring to FIG. 2, the structure of the main body 200 in the earphone-type wireless telephone system applied to the present invention will be described. In a predetermined position of the main body 200, a number button of 0 to 9 and a * button and a ＃ button are used. A keypad 202 having various function buttons associated therewith is provided, and a display unit in which a plurality of light emitting elements are arranged at a point adjacent to the keypad 202 so as to easily identify the operation state of the telephone. 203 is configured. In addition, the antenna 204 for the main body is installed in a predetermined position on the side of the main body 200 so as to enable wireless communication with the handset 100, and the handset 100 is located at a predetermined position on the plane of the main body 200. The receiving groove 205 is processed to correspond to the shape of the transmitter / receiver 100 to be stored. At this time, when the receiver / receiver 100 is accommodated in the receiving groove 205, a battery charging terminal 201 is formed to charge the battery in the receiver / receiver 100, and is adjacent to the battery charging terminal 201. At this point, the magnet 206 is attached to prevent the transmitter / receiver 100 from being separated when the receiver / receiver 100 is accommodated in the receiving groove 205. In addition, a main line connection terminal 207 to which trunk lines are connected and a power connection terminal 208 to which driving power is supplied to the main body 200 are formed at one side of the main body 200.

On the other hand, referring to Figure 3 describes the structure of the automatic dialing device 300 of the earphone type telephone system applied to the present invention, a plurality of number buttons and * button on the front of the substantially rectangular frame 301 having a thin shape And a keypad 302 arranged with various function buttons such as a ＃ button, a dialing button, and a memory button, and on one side of the automatic dialing device 300, numbers input as a user operates a dialing button or an automatic dialing button. A speaker 303 for generating a dialing signal (DTMF signal) corresponding to a button and a &gt;

In this case, as shown in FIG. 4, the extension rod 105 extending from the transmitter / receiver 100 maintains the shape of the extension rod 105 and simultaneously transmits / receives a call with the main body 200. The antenna 109 for the receiver / receiver made of a reinforcing iron core is built in, and is connected to the microphone 106 to provide a user's voice signal supplied through the microphone 106 to the function block in the receiver / receiver 100. It is composed of a microphone line (110).

In the earphone type telephone system applied to the present invention having such a structure, as shown in FIG. 5, the handset 100, the main body 200, and the automatic dialing device 300 are wireless within a predetermined communication range. Is configured to communicate freely in a manner.

Meanwhile, referring to FIG. 6, the internal structure of the transmitter / receiver 100 will be described. The reception frequency band filter 111 is a band of a voice signal to be received among voice signals transmitted through the antenna 109 for the receiver. It filters only and usually consists of a band pass filter (BPF).

The reception amplifier 112 amplifies the voice signal of the predetermined frequency band filtered by the reception frequency band filter 111 to a predetermined size that can be recognized by the user and outputs the audio signal to the speaker 113.

The transmit amplifier 114 amplifies the voice signal to a predetermined size so that a sufficient gain value can be obtained even when the voice signal of the user input through the microphone 106 is wirelessly transmitted / received, and then the antenna matching filter 115 is used. Output

The antenna matching filter 115 converts the voice signal amplified by the transmission amplifier 114 into a band different from the filtering band of the reception frequency band filter 111 and simultaneously matches the impedance with the antenna for the transceiver. At the same time, spurious is prevented and then transmitted to the antenna 109 for the receiver.

The call switch 107 is installed at a predetermined position of the handset 100 to control the state in which power provided from the battery 116 is supplied to each component of the handset 100 according to the switching state. The operation state of the hook-on signal generator 117 is controlled.

As the user turns off the call switch 107, the hook-on signal generator 117 receives the power supplied from the battery 116, generates a hook-on signal, and transmits the hook-on signal to the antenna 109. Then, as the user turns on the call switch 107, the power from the battery 116 is cut off and the generation of the hook-on signal is stopped.

The battery 116 supplies power to each component in the transmitter / receiver 100 by a discharge action, and when the transmitter / receiver 100 is inserted into the receiving groove 205 of the main body 200, the main body 200. As the battery charging terminals 108 and 201 respectively installed in the and the receiver / receiver 100 are interconnected with each other, the driving power supplied through the power connection terminal 208 of the main body 200 is charged.

The interference prevention filter 118 prevents mutual interference of voice signals transmitted / received through the transmitter / receiver antenna 109.

In addition, referring to FIG. 7, the internal structure of the main body 200 will be described. The control unit 209 is initialized by determining the hook-off state as the supply state of the hook-on signal is blocked, and is inputted from the keypad 202. Analyzes the processed information, controls the display state of the display unit 203, supplies the driving power supplied through the power connection terminal 208 to each component block, and simultaneously controls each component block for the telephone function. do.

The trunk line matching unit 210 matches the impedance with the trunk line to enable telephone use.

The call circuit unit 211 amplifies the voice signal received by the trunk line matching unit 210 and transmits the amplified voice signal to the transmitter / receiver 100 through the antenna 204 for the main body, and the receiver / receiver 100. The amplified voice signal received from the amplified voice signal is transmitted to the trunk line matching unit 210 to enable a call.

The DTMF (Dual Tone Multi-Frequency) signal generator 212 modulates a key input signal provided from the keypad 202 into a DTMF signal and transmits it to the call circuit unit 211 to enable dialing. .

Finally, referring to FIG. 8, the internal configuration of the automatic dialing device 300 will be described. The keypad 302 includes a dialing button, a memory button, a numeric button, a * button, and a ＃ button.

The central processing unit 304 controls the DTMF signal generator 305 in response to the input signal input from the keypad 302. That is, the central processing unit 304 stores the telephone number information corresponding to the input button as the user inputs the numeric button, the * button and the ＃ button, and DTMF the stored telephone number information as the user inputs the dialing button. The signal generator 305 continuously transmits the signals. Then, as the user sequentially inputs the memory button and the number button, the phone number information corresponding to the number button is detected from each phone number information stored in the memory 306, and the phone number information is transmitted to the DTMF signal generator 305. Output

The memory 306 stores a plurality of phone number information in the form of a look-up table so as to correspond to the number buttons one-to-one, and detects the phone number information corresponding to the number buttons under the control of the central processing unit 304 and centrally processes them. Send to device 304.

The DTMF signal generator 305 generates a DTMF signal for dialing through a control signal or phone number information output from the central processing unit 304 and outputs the DTMF signal to the speaker 303.

Referring to the operation of the present invention having such a configuration as follows.

<Call waiting mode>

When the user turns the call switch 107 off while wearing the handset, the power generated by the battery 116 is supplied to the hook-on signal generator 117, and the hook-on signal generator 117 generates a preset hook-on signal and provides it to the anti-interference filter 118, and the anti-interference filter 118 removes an undesirable interference component (interfering wave) included in the hook-on signal and transmits it. / To the main body 200 through the receiver antenna 109. The control unit 209 in the main body 200 receives a hook-on signal through the main antenna 204 and switches to the call waiting mode.

<Call mode>

When a ring signal is detected through the trunk line, the controller 209 controls the phone to ring through a buzzer (not shown) and simultaneously controls the light emitting device for the call in the display unit 203 to blink at a predetermined cycle. As the ringer recognizes the ring tone and turns on the call switch 107 of the handset 100, the driving power output from the battery 116 is no longer supplied to the hook-on signal generator 117. Accordingly, the controller 209 in the main body 200 detects the hook-off state and activates the call circuit 211 in the main body 200. Accordingly, the call path with the other party is established and the call is available, and the voice signal supplied through the trunk line is matched by the trunk line matching unit 210 and is transferred by the call circuit unit 211 by the handset / receiver 100. It is modulated into a predetermined reception frequency band that can be recognized and then transmitted to the outside through the main antenna 204. At this time, the communication light emitting element in the display unit 203 maintains the lighting state.

When the voice signal is received by the transceiver antenna 109, only a predetermined frequency band is filtered by the reception frequency band filter 111 and output to the reception amplifier 112. The reception amplifier 112 amplifies the audio signal supplied through the reception frequency band filter 111 to a predetermined size that can be recognized by the user and outputs the audio signal to the speaker 113. Therefore, the user can listen to the other party's voice.

When the user generates a voice toward the microphone 106, the voice is modulated into an electrical voice signal by the microphone 106 and amplified to a predetermined size by the transmission amplifier 114 and then by the antenna matching filter 115. Modulated to a frequency band different from the reception frequency. The modulated voice signal is transmitted to the main body 200 through the antenna 109 for the handset. At this time, the interference prevention filter 118 filters out undesirable signal components to prevent interference between the transmitted voice signal and the received voice signal.

When the voice signal is received through the antenna 204 for the main body, the controller 209 again amplifies the voice signal to a predetermined size that can be recognized by the switching station through the call circuit unit 211 and supplies it to the trunk line matching unit 210. In addition, the trunk line matching unit 210 transmits the voice signal supplied from the call circuit unit 211 to the trunk line, so that the other party can listen to the voice of the user.

<Dialing mode>

When the user wants to dial using the keypad 202 configured in the main body 200, the user turns on the call switch 107 attached to the handset 100 and the main body 200 in the call standby mode. Switch to Subsequently, when a button to be dialed is input using the number buttons in the keypad 202 and the * and ＃ buttons, this signal is sequentially supplied to the control unit 209. The control unit 209 turns on the dialing light emitting element in the display unit 203 whenever the phone number information is input from the keypad 202 to indicate that the corresponding button is normally input, and controls the DTMF signal generating unit 212. Control to generate a DTMF signal corresponding to the input telephone number information. The DTMF signal generated by the DTMF signal generation unit 212 is transmitted to the trunk line through the call circuit unit 211 and the trunk line matching unit 210, thereby forming a call path with the counterpart corresponding to the corresponding telephone number information.

If the user wants to dial using the automatic dialing device 300, the user turns on the call switch 107 of the handset 100. Accordingly, as described above, the main body 200 is switched to the call standby mode, after which the user sequentially inputs a phone number to be dialed or sequentially inputs a memory button and a numeric button to the memory 306. When the phone number information is selected, the selected phone number information is temporarily stored in the buffer area of the memory 306, and the user dials the automatic dialing device 300 near the microphone 106 of the handset / handset 100. As the button is pressed, the corresponding telephone number information is continuously supplied to the DTMF signal generator 305 through the central processing unit 304.

The DTMF signal generator 305 generates a DTMF signal corresponding to the telephone number information continuously input through the central processing unit 304 and outputs it to the speaker 303. Accordingly, the speaker 303 outputs a DTMF signal corresponding to the telephone number, and the signal is received through the microphone 106 of the near-transmitter / receiver 100. Thereafter, the DTMF signal is transmitted to the main body 200 in the same manner as the aforementioned process, and the DTMF signal transmitted to the main body 200 is transmitted to the trunk line through the communication circuit unit 211 and the trunk line matching unit 210. Therefore, a call path is formed with the counterpart corresponding to the corresponding phone number information input by the user.

<Charge mode>

When the user wants to charge the battery 116 in the handset 100, and receives the handset 100 in the receiving groove 205 in the main body 200, the handset 100 is usually made of a metal component Due to the speaker 113 or the speaker housing 102 and the magnets in the main body 200, the transmitter / receiver 100 is fixed in a state of being received in the receiving groove 205 of the main body 200. At this time, since the battery charging terminal 108 of the transmitter / receiver 100 and the battery charging terminal 201 of the main body 200 are formed at opposite positions, the battery charging terminal 108 of the transmitter / receiver 100 is formed. And the battery charging terminal 201 of the main body 200 are interconnected so that driving power supplied through the power connection terminal 208 is supplied to the battery 116 through the respective battery charging terminals 201 and 108. Thus, the battery 116 is in a charged state. At this time, the controller 209 turns on the charging light emitting device in the display unit 203 to control the display state of the battery 116.

Therefore, the user can conveniently perform other tasks during the call without being limited to the user's action area.

On the other hand, the configuration and operation of the earphone-type cordless telephone system according to the present invention has been described as limited to the desk phone, this can also be applied to a vehicle wireless telephone, a variation of this application is easily described by the configuration and operation described above Since it may be implemented, additional description will be omitted.

As described above, in the detailed description of the present invention, specific embodiments have been described, but various modifications are possible without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined by the claims below and equivalents thereof.

As a result, according to the earphone type telephone system according to the present invention, the following advantages occur.

First, when the earphone type telephone system is applied to a vehicle, there is a security advantage because the user's call is not exposed to the outside.

Second, since the handset, the handset, and the call button are integrally formed with the earphone / handset, the configuration is simple and convenient to carry.

Third, since the transmitter / receiver and the main body are configured to communicate wirelessly, the utilization area of the user is not limited. It is especially effective when you need to perform other tasks during a call.

Dialing can be performed using a portable automatic dialing device, so that the user can easily dial even when the user is away from the main body.

Claims (19)

An in-ear cordless telephone system comprising a main body connected to a trunk line and a handset configured to enable wireless communication with the main body: The transmitter / receiver receives and transmits / receives an antenna for transmitting / receiving call information with the main body, and a reception frequency band filter for filtering only a band of a received voice signal to be received among voice signals transmitted through the transmitter / receiver antenna. And a reception amplifier for amplifying the received voice signal of the predetermined frequency band filtered by the reception frequency band filter to a predetermined size that a user can recognize, and the user to identify the received voice signal amplified by the reception amplifier. A speaker for converting a voice to a voice, a microphone for converting a voice spoken by a user into an electrical transmission voice signal, a transmission amplifier for amplifying the transmission voice signal input through the microphone to a predetermined size, and the transmission amplifier Transmits the amplified voice signal to a band different from the filtering band of the received frequency band filter An antenna matching filter that prevents spurious lighting while simultaneously illuminating, an interference prevention filter that prevents interference between the transmission voice signal and the reception voice signal, a call switch operable by a user, and a hook- according to the switching state of the call switch. A hook-on signal generator for generating an on signal, and a battery for selectively supplying driving power to the hook-on signal generator and each component according to a switching state of the call switch; The main body includes a keypad having a plurality of numeric buttons and function keys related to a call, a main body antenna for transmitting and receiving call information with the sender / receiver, and a hook-on signal as the supply state of the hook-on signal is blocked. Determining the OFF state is initialized and analyzes and processes the information inputted from the keypad, and controls the driving power supplied through the power connection terminal to be supplied to each component in the main body, and at the same time, each component in the main body has a telephone function. The main body antenna for amplifying the voice signal amplified by amplifying the voice signal received by the control unit, a control unit for controlling the operation, the impedance of the trunk line to enable telephone use, and the trunk line matching unit Transmits to the handset through the receiver and amplifies the transmitted voice signal received from the handset, and then matches the trunk line And the call circuit and outputting, the earphone-type wireless telephone system for a key input signal provided by the keypad, characterized in that it comprises a DTMF dialing signal generator for modulating the DTMF signal. The method of claim 1, A first battery charging terminal formed at a predetermined position of the main body and transferring driving power supplied from the power connection terminal to the handset as the handset and the main body are coupled; And A second battery which is formed at a point opposite to the first battery charging terminal and supplies the driving power delivered from the first battery charging terminal to the battery as the main body and the handset are coupled to the battery to charge the battery; Earphone type telephone system further comprising a charging terminal. The method of claim 1, wherein the main body, The display unit further comprises a display unit composed of at least one light emitting element for displaying the operation state of the main body, wherein the display unit includes at least a light emitting element for displaying a call function, a dialing function and a charging function. system. An in-ear wireless telephone system comprising a main body connected to a trunk line and having a built-in communication circuit, and a handset configured to enable wireless communication with the main body and having a built-in microphone, a speaker, and a battery: The handset is a speaker receiving portion protruding from the back of the base frame so that the speaker is built, a battery receiving portion protruding from the front of the base frame so that the battery is embedded, and the handset is worn on the user's ear A support extending from the base frame to support the handset when the handset is received, an extension rod extending in a direction where the user's mouth is located when the handset is worn on the user's ear, and a microphone installed at the end of the extension rod; A call switch installed at a point adjacent to the battery accommodating part so as to be operated by a user; The main body has a receiving groove machined to correspond to the shape of the handset / receiver at a predetermined position on the plane of the main body so that the handset / receiver is accommodated. A keypad for arranging various function buttons, an antenna for a main body installed to enable wireless communication with the transmitter / receiver at a predetermined position on the side of the main body, a trunk line connecting terminal connected to a trunk line, and supplying driving power to the main body Earphone type wireless telephone system comprising a power connection terminal. The method of claim 4, wherein A third battery charging terminal formed at an adjacent point from the speaker accommodating unit so that the driving power for charging the battery is supplied from the main body when the receiver / receiver is accommodated in the main body; And a fourth battery charging terminal formed at a predetermined position of the main body corresponding to the third battery charging terminal to receive the driving power to the third battery charging terminal. The method of claim 4, wherein the main body, The display unit further comprises a display unit composed of at least one light emitting element for displaying the operation state of the main body, wherein the display unit includes at least a light emitting element for displaying a call function, a dialing function and a charging function. system. The method of claim 4, wherein the extension rods, A microphone wire for electrically connecting the microphone and the telephone circuit in the basic frame; And An earphone-type wireless telephone system including an antenna line for transmitting and receiving telephone information so that the transmitter / receiver and the main body can mutually communicate wirelessly. The method of claim 4, wherein the main body, And a fixing member attached to a predetermined position of the accommodation groove to prevent the transmitter / receiver from being separated when the receiver is received in the accommodation groove of the main body. The method of claim 8, wherein the fixing member, A metal member installed at a point adjacent to the third battery charging terminal of the handset; Earphone type telephone system comprising a magnet attached to a position opposite to the metal member. An in-ear cordless telephone system comprising a main body connected to a trunk line, a handset configured to enable wireless communication with the main body, and an automatic dialing device for dialing a telephone number through the handset. The transmitter / receiver receives and transmits / receives an antenna for transmitting / receiving call information with the main body, and a reception frequency band filter for filtering only a band of a received voice signal to be received among voice signals transmitted through the transmitter / receiver antenna. And a reception amplifier for amplifying the received voice signal of the predetermined frequency band filtered by the reception frequency band filter to a predetermined size that a user can recognize, and the user to identify the received voice signal amplified by the reception amplifier. A speaker for converting a voice to a voice, a microphone for converting a voice spoken by a user into an electrical transmission voice signal, a transmission amplifier for amplifying the transmission voice signal input through the microphone to a predetermined size, and the transmission amplifier Transmits the amplified voice signal to a band different from the filtering band of the received frequency band filter An antenna matching filter that prevents spurious lighting while simultaneously illuminating, an interference prevention filter that prevents interference between the transmission voice signal and the reception voice signal, a call switch operable by a user, and a hook- according to the switching state of the call switch. A hook-on signal generator for generating an on signal, and a battery for selectively supplying driving power to the hook-on signal generator and each component according to a switching state of the call switch; The main body includes a keypad having a plurality of numeric buttons and function keys related to a call, a main body antenna for transmitting and receiving call information with the sender / receiver, and a hook-on signal as the supply state of the hook-on signal is blocked. Determining the OFF state is initialized and analyzes and processes the information inputted from the keypad, and controls the driving power supplied through the power connection terminal to be supplied to each component in the main body, and at the same time, each component in the main body has a telephone function. The main body antenna for amplifying the voice signal amplified by amplifying the voice signal received by the control unit, a control unit for controlling the operation, the impedance of the trunk line to enable telephone use, and the trunk line matching unit Transmits to the handset through the receiver and amplifies the transmitted voice signal received from the handset, and then matches the trunk line And a call circuit unit for outputting a, comprising DTMF dialing signal generator for modulates a key input signal provided by the keypad into DTMF signal portion; The automatic dialing device includes a keypad having a plurality of numeric buttons, at least dialing buttons and memory buttons, a memory for storing at least one telephone number information and temporarily storing the telephone number information input by a user, and input of the keypad. A central processing unit for detecting telephone number information stored in the memory according to a state, a DTMF signal generating unit for generating a DTMF signal corresponding to the telephone number information detected by the central processing unit, and a DTMF signal generating unit Earphone type cordless telephone system, characterized in that it comprises a speaker for outputting the DTMF signal. The method of claim 10, A first battery charging terminal formed at a predetermined position of the main body and transferring driving power supplied from the power connection terminal to the handset as the handset and the main body are coupled; And A second battery which is formed at a point opposite to the first battery charging terminal and supplies the driving power delivered from the first battery charging terminal to the battery as the main body and the handset are coupled to the battery to charge the battery; Earphone type telephone system further comprising a charging terminal. The method of claim 10, wherein the main body, The display unit further comprises a display unit composed of at least one light emitting element for displaying the operation state of the main body, wherein the display unit includes at least a light emitting element for displaying a call function, a dialing function and a charging function. system. The method of claim 10, wherein the central processing unit, The phone number information temporarily stored in the memory is detected as the dialing button in the auto dialing device is input, and the memory button and the number button in the auto dialing device are sequentially input to the number button. Correspondingly detecting the telephone number information stored in the memory. A main body connected to a trunk line and having a built-in communication circuit, a handset configured to enable wireless communication with the main body, a built-in microphone, a speaker and a battery, and an automatic dialing device for dialing a telephone number through the handset. In an in-ear cordless telephone system comprising: The handset is a speaker receiving portion protruding from the back of the base frame so that the speaker is built, a battery receiving portion protruding from the front of the base frame so that the battery is embedded, and the handset is worn on the user's ear A support extending from the base frame to support the handset when the handset is received, an extension rod extending in a direction where the user's mouth is located when the handset is worn on the user's ear, and a microphone installed at the end of the extension rod; And a call switch installed at a point adjacent to the battery accommodating unit so as to be operated by a user. The main body has a receiving groove machined to correspond to the shape of the handset / receiver at a predetermined position on the plane of the main body so that the handset / receiver is accommodated. A keypad for arranging various function buttons, an antenna for a main body installed to enable wireless communication with the transmitter / receiver at a predetermined position on the side of the main body, a trunk line connecting terminal connected to a trunk line, and supplying driving power to the main body A power connection terminal; The automatic dialing device includes a keypad having at least 0 to 9 buttons, a * button, a 링 button, a dialing button, and a memory button, and a speaker for outputting a predetermined dial tone in response to an input state of the keypad. In-ear cordless telephone system. The method of claim 14, A third battery charging terminal formed at an adjacent point from the speaker accommodating unit so that the driving power for charging the battery is supplied from the main body when the receiver / receiver is accommodated in the main body; And a fourth battery charging terminal formed at a predetermined position of the main body corresponding to the third battery charging terminal to receive the driving power to the third battery charging terminal. The method of claim 14, wherein the main body, The display unit further comprises a display unit composed of at least one light emitting element for displaying the operation state of the main body, wherein the display unit includes at least a light emitting element for displaying a call function, a dialing function and a charging function. system. The method of claim 14, wherein the extension rods, A microphone wire for electrically connecting the microphone and the telephone circuit in the basic frame; And An earphone-type wireless telephone system including an antenna line for transmitting and receiving telephone information so that the transmitter / receiver and the main body can mutually communicate wirelessly. The method of claim 14, wherein the main body, And a fixing member attached to a predetermined position of the accommodation groove to prevent the transmitter / receiver from being separated when the receiver is received in the accommodation groove of the main body. The method of claim 18, wherein the fixing member, A metal member installed at a point adjacent to the third battery charging terminal of the handset; Earphone type telephone system comprising a magnet attached to a position opposite to the metal member.