KR100434337B1 - Apparatus for cellular phone battery recharging and handfree function in keyphone system - Google Patents

Abstract

The present invention is to provide a terminal device having a mobile phone charging and hand-free function in a key phone system capable of charging a mobile phone without a separate charging device and performing a call through a key phone terminal when the mobile phone is being charged. The invention includes: a key phone main unit connection portion connected to a key phone main unit; An interface unit for interfacing voice signals and data signals exchanged through the key phone main unit connection unit; A main control unit which controls the output direction of the voice and data signals interfaced by the interface unit, monitors whether the cellular phone is connected to the cellular phone connection unit, and activates the operation of the hand free function unit when a ring signal tone is received by the cellular phone; A voice converter converting the voice signal output from the interface unit into an audible frequency signal and outputting the audio signal; A voice output unit for outputting an audible frequency signal output from the voice conversion unit and the hand free function unit to an external voice output device; A mobile phone connection unit for generating a signal indicating whether the mobile phone is connected to the mobile phone and providing a predetermined path for exchanging data with the mobile phone when the mobile phone is connected; When the ring signal of the mobile phone is received, the mobile phone is configured with a hand-free function unit for exchanging data with the mobile phone connected to the mobile phone connection unit and outputting data received by the mobile phone to the voice output unit according to the control signal of the main controller. Charging and hand-free calling is possible.

Description

Apparatus for cellular phone battery recharging and handfree function in keyphone system}

The present invention relates to a terminal of a key phone system (Key Phone System), in particular, by having a hand-free (Handfree) function and a mobile phone charging function in the key phone, it is possible to charge the mobile phone without a separate charging device and the incoming call of the mobile phone being charged The present invention relates to a terminal device having a mobile phone charging and a hand free function in a key phone system that enables a phone call to be carried out using a hand phone function.

In general, a key phone system allows a plurality of extension subscribers to share a certain number of trunk lines, and the terminals provided in the key phone system include a general telephone and a key phone. Among the terminals provided in the key phone system, the key phone can be utilized for various purposes.

Hereinafter, a key phone terminal of a general key phone system will be described.

First, Figure 1 is a block diagram of a conventional phone terminal.

As shown in FIG. 1, a conventional key phone terminal includes: a key phone main unit connecting portion 11 connected to a key phone main unit to provide a path for exchanging voice signals and data signals; An interface unit 12 for interfacing voice signals and data signals exchanged through the key phone main unit connection unit 11; A main control unit 13 for controlling the output direction of the voice and data signals interfaced by the interface unit 12; A voice converter 14 for converting and outputting an audio signal output from the interface unit 12 into an audible frequency signal; It is composed of a voice output unit 15, 16 for outputting the audio frequency signal output from the voice conversion unit 14 to an external voice output device.

The operation of the device configured as described above is as follows.

A key phone terminal, which is connected to a key phone main device of a key phone system and exchanges a voice signal and a data signal, has a component for processing each signal exchanged. That is, the signal received from the key phone main unit is input through the key phone main unit connection unit 11, and the interface unit 12 interfaces the received signal according to the control signal of the main controller 13 to separate the voice signal and the data signal. Done.

The separated voice signal is converted into an audible frequency signal that can be recognized by the operator of the terminal in the voice conversion unit 14, and through the voice output unit 15, 16 in accordance with the control signal of the main control unit 13 Is output. At this time, the voice output unit 15 and 16 includes a speaker connection unit 15 and a handset connection unit 16 to output an audible frequency signal to an external handset or speaker.

However, since the conventional key-phone terminal described above does not provide a mobile phone charging function, a separate charging device must be provided in order to charge a mobile phone even in an office-like environment, which complicates an office environment and reduces efficiency of space operation. there was.

In addition, when charging a mobile phone with a separate charging device, since the mobile phone is attached to the charging device, it is easy to respond to an incoming signal when the mobile phone does not have a hands-free calling function similar to that of a speaker phone of a key phone terminal. There was a drawback that was not.

Accordingly, the present invention has been proposed to solve the conventional problems as described above, and an object of the present invention is to provide a hand-free function and a mobile phone charging function to the key phone, it is possible to charge the mobile phone without a separate charging device The present invention provides a terminal device having a mobile phone charging and a hand free function in a key phone system capable of performing a call through a key phone terminal by using a hand free function when a mobile phone is received.

In order to achieve the above object, a terminal device having a mobile phone charging and hand free function in a key phone system according to the present invention includes a key phone main device connection part connected to the key phone main device and providing a path for exchanging voice signals and data signals. ; An interface unit for interfacing voice signals and data signals exchanged through the key phone main unit connection unit; A main control unit which controls the output direction of the voice and data signals interfaced by the interface unit, monitors whether the cellular phone is connected to the cellular phone connection unit, and activates the operation of the hand free function unit when a ring signal tone is received by the cellular phone; A voice converter converting the voice signal output from the interface unit into an audible frequency signal and outputting the audio signal; A voice output unit for outputting an audible frequency signal output from the voice conversion unit and the hand free function unit to an external voice output device; A mobile phone connection unit for generating a signal indicating whether the mobile phone is connected to the mobile phone and providing a predetermined path for exchanging data with the mobile phone when the mobile phone is connected; When the ring signal ringing of the mobile phone is received, the technical features of the technical features of the hand-free function that outputs the data received by the mobile phone to the voice output unit by exchanging data with the mobile phone connected to the mobile phone connection in accordance with the control signal of the main controller do.

1 is a block diagram of a key-phone terminal according to the prior art,

Figure 2 is a block diagram of a terminal device having a mobile phone charging and hand-free function of the key phone system according to an embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

21 key connection device 22 interface unit 23 main control unit

24: voice converter 25, 26: voice output unit 27: potential converter

28: mobile phone connection 29: hand free function 30: power supply

Hereinafter, the configuration and operation of the present invention will be described in detail according to an embodiment according to the technical concept of a terminal device having a mobile phone charging and a hands-free function in the key phone system as described above.

First, Figure 2 is a block diagram of a terminal device having a mobile phone charging and hand-free function of the key phone system according to an embodiment of the present invention.

As shown in FIG. 2, a suitable embodiment of the present invention includes: a key phone main unit connection portion 21 connected to a key phone main unit to provide a path for exchanging voice signals and data signals; An interface unit 22 for interfacing voice signals and data signals exchanged through the key phone main unit connection unit 21; Controls the output direction of the voice and data signals interfaced by the interface unit 22, monitors whether the mobile phone is connected to the mobile phone connection unit 28, and receives a ring signal sound to the mobile phone to operate the hand free function unit 29. Main control unit 23 for activating the; A voice converter 24 for converting and outputting an audio signal output from the interface unit 22 into an audible frequency signal; A voice output unit (25) (26) for outputting an audible frequency signal output from the voice conversion unit (24) and the hand free function unit (29) to an external voice output device; A potential converting unit 27 for converting a potential by receiving a main power supply of the key-phone main unit from the key-phone main unit connecting unit 21; A mobile phone connection unit 28 for generating a signal indicating whether the mobile phone is connected to the mobile phone and providing a predetermined path for exchanging data with the mobile phone when the mobile phone is connected; When the ring signal of the mobile phone is received, the data received by the mobile phone is exchanged with the mobile phone connected to the mobile phone connection unit 28 according to the control signal of the main controller 23 to the voice output units 25 and 26. A hand free function unit 29 for outputting; When the mobile phone is connected to the mobile phone connection unit 28, the power supply unit 30 for supplying power converted by the potential conversion unit 27 to the mobile phone.

Referring to the operation of the device according to such a configuration as follows.

The operation of the device according to the present invention will vary depending on whether the cellular phone is connected. That is, when the signal for notifying the connection of the mobile phone is not generated in the mobile phone connection unit 28, the general operation of the key phone terminal is performed as in the prior art, and when the mobile phone is connected to the mobile phone connection unit 28, the main control unit 23 receives the cellular phone connection notification signal to operate the hand free function unit 29. FIG.

The key phone main unit is to supply power for driving each component of the key phone terminal, it is possible to charge the mobile phone using the power supplied from the key phone main unit. At this time, since the potential of the power required for charging the mobile phone and the potential of the power supplied from the key phone main device may be different, the potential conversion unit 27 converts the main power of 24 V input from the key phone connection unit 21 into the potential required for charging the mobile phone. Will be converted.

The power source that is converted and output from the potential conversion unit 27 may be set to be suitable for a mobile phone to be charged. In general, a power supply of 3.6 V is required for a PCS phone.

When the potential power is converted as described above, when the mobile phone is connected to the mobile phone connection unit 28, the main power is supplied to the mobile phone through the power supply unit 30 to charge the mobile phone. That is, when the mobile phone is connected to the mobile phone connection unit 28 using the RS-232C cable, the power supply unit 30 immediately operates to supply power for charging.

Since the mobile phone is connected to the mobile phone connection unit 28 and charged while the mobile phone is required to be transmitted and received, the main controller 23 receives a signal for notifying the connection of the mobile phone from the mobile phone connection unit 28. The control unit 29 controls transmission and reception via the mobile phone being charged.

That is, the hand free function unit 29 analyzes the signal received by the mobile phone being charged, and in the case of the ring signal, the ring signal sound also sounds in the key phone terminal in conjunction with the ring signal sound in the mobile phone. After the ring tone is output, the hand free function unit 29 relays data exchange between the mobile phone and the key phone terminal so that data transmitted and received by the mobile phone can be transmitted and received by the speaker phone and the handset of the key phone terminal.

The operated hand-free function unit 29 outputs data received by the mobile phone through the speaker connection unit 25 and the handset connection unit 26, and the data generated by each of the voice output units 25 and 26 is transmitted to the mobile phone. Will be sent to.

At this time, the ring signal sound of the key phone terminal operating in conjunction with the incoming signal sound of the mobile phone is distinguished from the ring signal sound when the key phone main device calls the key phone terminal. This function is made possible by differentiating the tone of each ring tone so that the user can distinguish which device is ringing.

Thus, when the hands-free function unit 29 operates to transmit and receive the cellular phone to and from the speakerphone and the handset of the key phone terminal, the main control unit 23 of the key phone terminal notifies the key phone main device that the mobile phone is in use. . The key phone main device receiving the signal notifying that the mobile phone is in use switches the extension of the corresponding key phone terminal to the busy mode so that the key phone terminal performing the call function of the mobile phone is set as if the phone is busy using the corresponding extension. .

By the above operation, the key phone terminal set to be busy by the key phone main device returns a busy signal to a call from another extension or external trunk line and does not call the corresponding key phone terminal.

As described above, the key-phone terminal according to the present invention supplies power required for charging the mobile phone when the mobile phone is connected, and outputs the ring signal sound of the key-phone terminal in conjunction with the ring signal sound of the mobile phone when the incoming call sound arrives to the mobile phone, and hands-free function. By operating the data transmitted to the mobile phone can be input and output through the phone terminal.

Although the preferred embodiment of the present invention has been described above, the present invention may use various changes, modifications, and equivalents. It is clear that the present invention can be applied in the same manner by appropriately modifying the above embodiments. Accordingly, the above description does not limit the scope of the invention as defined by the limitations of the following claims.

As described above, in the key phone system according to the present invention, a terminal device having a mobile phone charging and a hands-free function may be provided by using a mobile phone charging function provided in a key phone terminal even without an additional mobile phone charging device in an office-like environment. The mobile phone can be recharged, which can reduce the inconvenience of charging the mobile phone.

And when there is a call arrival while charging the mobile phone, the mobile phone call is possible through the speakerphone of the key-phone terminal by the hand-free function. Therefore, the transmission and reception of the mobile phone is not restricted even while the mobile phone is being charged. have.

Claims (2)

In the device for charging the mobile phone using the power supplied from the key phone main device, A key phone main unit connection portion connected to the key phone main unit to provide a path for exchanging voice signals and data signals; An interface unit for interfacing voice signals and data signals exchanged through the key phone main unit connection unit; A main control unit controlling the output direction of the voice and data signals interfaced by the interface unit and activating an operation of the hand free function unit when a ring signal tone is received on the mobile phone while the mobile phone is connected to the mobile phone connection unit; A voice converter converting the voice signal output from the interface unit into an audible frequency signal and outputting the audio signal; A voice output unit for outputting an audible frequency signal output from the voice conversion unit and the hand free function unit to an external voice output device; A mobile phone connection unit for generating a signal indicating whether the mobile phone is connected to the mobile phone and providing a predetermined path for exchanging data with the mobile phone when the mobile phone is connected; In the keyphone system comprising a hand-free function unit for exchanging data with the mobile phone connected to the mobile phone connection unit in response to the control signal of the main controller to output the data received by the mobile phone to the voice output unit when the ring signal sound of the mobile phone is received. Terminal device with a mobile phone charging and hand free function. The method of claim 1, When the main control unit detects the incoming call of the mobile phone, the mobile phone charging in the key phone system characterized in that the ring signal sound and the ring tone sound of a different tone generated by the key phone terminal itself by the key phone main device to distinguish the incoming call path of the call signal. And a terminal having a hand free function.