KR100349017B1 - Apparatus for wire and wireless video telephone by using video portable telephone - Google Patents

Abstract

The present invention provides a camera unit for capturing an image, a logic unit for modulating and demodulating a communication signal input and output including an image signal captured by the camera unit, and transmitting and receiving a communication signal of a fixed device unit coupled to the camera unit. Portable including a video signal display unit for displaying a video signal to the outside, a power unit for charging using the power supplied when coupled to the fixing unit, and an RF unit for processing a wireless communication signal transmitted and received connected to the logic unit An apparatus section; A wired logic unit for processing video and audio signals transmitted and received from the portable unit or a PC, and connected to an external telephone line unit to modulate and demodulate the video and audio signals input and output through the telephone line unit; And a microphone unit for processing an audio signal, and a fixed unit unit connected to the wired logic unit and a charging unit including a charging unit for supplying a charging voltage to the power unit of the portable unit when combined with the portable unit. Provide a video phone.

As described above, the present invention attaches a separate wired fixing device to the video mobile phone to execute the wired video phone function using the video device of the video mobile phone even in a wired environment, as well as the charging function of the mobile device using the fixed device. Provides wired high speed PC communication environment.

Description

Wired and wireless video phone using video mobile phone {Apparatus for wire and wireless video telephone by using video portable telephone}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wired / wireless combined video telephone using a video mobile phone. In particular, each device is a portable video when moving or separating using a video mobile phone such as an International Mobile Telecommunication in the Year 2000 (IMT2000) terminal. It is designed to operate as a telephone and a wired dedicated telephone, and when used in combination, the video / audio input / output function of the video mobile phone and the video / audio signal processing unit of the wired telephone device are suitable for the combined use of a wired / wireless combined video telephone. It is about.

In general, IMT2000 is a third generation mobile system (TGMS) that makes recommendations in ITU-R's TG / 1. This system is a mobile communication system that allows one or more radio links to connect to various communication services supported by a fixed communication network such as PSTN / ISDN / B-ISDN according to the mobile user's request. The frequency bands used are 1885MHz ~ 2025MHz and 2110MHz ~ 2200MHz, which are determined by WARC-92, and not only provide the services provided by various existing communication systems, but also provide the next generation of mobile communication using advanced technology. System. In this system, various types of mobile telephones that can be connected to terrestrial or satellite networks can be used for mobile or fixed communications.

Fig. 1 is a block diagram of a video cellular phone of the related art IMT2000.

As shown therein, the RF unit 11 receives and processes a radio frequency (RF) of a base station through an antenna; A logic unit 12 connected to the RF unit 11 to perform demodulation and demodulation between a voice signal and a digital signal; A camera unit 13 for capturing an image and transmitting the captured image to the logic unit 12; An image display unit 14 for outputting an image signal processed by the logic unit 12; A keypad 15 for receiving a key value and transmitting the key value to the logic unit 12; A speaker unit 16 for outputting a voice signal processed by the logic unit 12; The microphone unit 17 receives a voice and transmits it to the logic unit 12.

The IMT2000 terminal 10 configured as described above operates as follows.

That is, the terminal itself modulates and demodulates the video and audio signals into digital signals, and transmits and receives the video and audio signals to and from the counterpart terminal through a high-speed wireless transmission network.

2 is a block diagram of a conventional wired video telephone.

As shown therein, a telephone line unit 21 connected to a counterpart terminal through a wired telephone network (PSTN network); A logic unit 22 connected to the telephone line unit 21 for performing demodulation and demodulation of a video signal and an audio signal; A camera unit 23 for capturing an image and transmitting the captured image to the logic unit 22; An image display unit 24 for outputting an image signal processed by the logic unit 22; A keypad 25 for receiving a key value and transmitting the key value to the logic unit 22; The handset unit 26 includes a speaker unit 27 for outputting a voice signal processed by the logic unit 22, and a microphone unit 28 for receiving voice and transmitting the voice signal to the logic unit 22. .

Therefore, in the case of a wired video telephone, the terminal itself modulates and demodulates a video / audio signal, and performs a video telephone function by exchanging with a counterpart terminal through an existing wired telephone network (PSTN network).

As a method of demodulating video and audio signals, a signal using a conventional modem and an asymmetric subscriber line (ADSL), etc. have been implemented.

However, such a conventional technology is to pass through only one wireless or wired network to each terminal, there is a problem that a user must use a terminal suitable for the environment separately.

Accordingly, the present invention has been proposed to solve the conventional problems as described above, and an object of the present invention is to operate each device as a portable video phone and a wired dedicated phone when moving or separating using a video phone such as an IMT2000 terminal. The present invention provides a wired / wireless combined video phone using a video mobile phone.

It is another object of the present invention to provide a wired / wireless combined video telephone using a video cellular phone which can be used as a video / audio input / output function of a video mobile phone and a video / audio signal processing unit of a wired telephone apparatus when used in combination.

Another object of the present invention is to provide a charging function of the mobile terminal, and to provide a wired / wireless combined video telephone using a video cellular phone that can provide a wired communication environment to the user's PC regardless of separation and coupling. There is.

The present invention for achieving the above object is a logic unit for modulating and demodulating a communication signal input and output, including a camera unit for capturing an image, and the image signal captured from the camera unit, and the transmission and reception of the communication signal coupled to the fixed device unit And an image signal display unit for displaying the image signal processed by the logic unit to the outside, a power unit for charging using the power supplied when coupled to the fixing unit, and a wireless communication signal connected to and transmitted from the logic unit. A portable device unit including an RF unit for processing the unit; A wired logic unit for processing video and audio signals transmitted and received from the portable device unit or a PC, and connected to an external telephone line unit to modulate and demodulate the video and audio signals inputted and outputted through the telephone line unit; The charging unit supplies a charging voltage to a speaker unit for emitting a voice signal, a microphone unit installed at a part of the fixing unit unit to process a voice signal, and connected to the wired logic unit and, when coupled with the portable unit unit, a power supply unit of the portable unit unit. Provides a wired and wireless combined video phone using a video mobile phone consisting of a fixing device including a charging unit.

1 is a block diagram of a conventional video cellular phone,

2 is a block diagram of a conventional wired video telephone,

3 is a block diagram of a wired / wireless combined video telephone using a video cellular phone according to the present invention.

Explanation of symbols on the main parts of the drawings

30: portable unit 31: RF unit

32: logic section 33: camera section

34: image display unit 35, 43: keypad unit

36, 44: speaker section 37, 45: camera section

38: power supply part 40: fixed part

41: wired logic unit 42: telephone line unit

46: charging part

Hereinafter, an embodiment according to the technical idea of a wired / wireless combined video telephone using the video mobile telephone according to the present invention will be described.

3 is a block diagram of a wired / wireless combined video telephone using a video cellular phone according to the present invention.

As shown in the figure, the mobile unit 30 transmits / receives data to / from the other party's video portable terminal through a wireless transmission network and performs video / audio signal and digital signal demodulation to perform a wireless video telephony function; The fixed unit 40 is connected to the portable unit 30 and transmits / receives data to / from the other party's wired video terminal through a wired telephone network, and performs a video telephony function by performing demodulation and demodulation of video and audio signals.

The portable unit 30 includes an RF unit 31 for receiving and processing a radio signal of a base station through an antenna; A logic unit 32 connected to the RF unit 31 to perform demodulation and demodulation between a voice signal and a digital signal, and to transmit and receive an image and an audio signal with the wired logic unit 41 in the fixed unit 40; A camera unit 33 for capturing an image and transmitting the captured image to the logic unit 32; An image display unit 34 for outputting an image signal processed by the logic unit 32; A keypad (35) for receiving a key value and transmitting it to the logic unit (32); A speaker unit 36 for outputting a voice signal processed by the logic unit 32; A microphone unit 37 which receives a voice and transmits it to the logic unit 32; The power supply unit 38 is connected to the charging unit 46 in the fixing unit 40 to supply power to the portable unit 30.

The fixed unit 40 is connected to the telephone line unit 42 to perform demodulation and demodulation of the video signal and the audio signal, and to transmit and receive the video and audio signals with the logic 32 in the portable unit 30, and the PC. A logic unit 41 connected with the logic unit to process data to perform PC communication; A telephone line unit 42 for connecting the other party's wired video terminal and the wired logic unit 41 through a wired telephone network; A keypad 43 for receiving a key value and transmitting it to the logic unit 41; A speaker unit 44 which outputs a voice signal processed by the logic unit 41; A microphone unit 45 which receives a voice and transmits it to the logic unit 41; The charging unit 46 is connected to the wired logic unit 41 and connected to the power supply unit 38 in the portable unit 30 to charge the portable unit 38.

Referring to the accompanying drawings of the wired / wireless combined video telephone using the video mobile phone according to the present invention configured as described above in detail as follows.

First, the present invention is intended to enable a video telephony function through a wire in a wired environment by combining a separate wired telephone device unit with a portable video telephone (eg, IMT2000 terminal) used in a wireless environment. In addition, the wired telephone unit has a separate voice telephone function independently, it can provide a basic telephone function even without combining video phones. Incidentally, the wired telephone device unit may also serve as a charging function of the mobile device when the mobile device is combined, and use a high-speed communication function (for example, ADSL) provided to implement a wired video telephone function, in addition to the telephone function, such as PC communication. It can also be used as an intermediary device.

The general configuration of the present invention can be divided into a portable portion 30 and a fixed portion 40. Here, the portable unit 30 may be an example of an IMT2000 terminal as an existing video mobile phone, and the fixing unit 40 is a device capable of performing a wired video telephone function in combination with the portable unit 30. Here, the fixing unit 40 may perform a basic telephone function when used independently.

Therefore, the specific operation may be a case of operating as a video mobile phone and the case of a wired video telephone when the wired unit is coupled, and there may be other functions that are additionally provided. Here, the description of the operation in the case of operating the video mobile phone is the same as in the conventional method and will be omitted.

1. Operation when combining the fixed portion 40 and the portable portion 30

The portable unit 30 coupled to the fixed unit 40 is an image display unit that the fixed unit 40 does not have through the wired logic unit 41 of the fixed unit 40 when the user makes a video call in a wired environment. Functions of the 34 and the camera unit 33 are provided to the fixing unit 40 and the user to perform the video telephony function. In this case, the voice uses the speaker unit 44 and the microphone unit 45 of the fixing unit 40.

In addition, even when the fixed part 40 and the portable part 30 are combined, when there is a call of the portable part 30 from the counterpart, in conjunction with the fixed part 40 (the speaker and the microphone are used to be mounted on the fixed part). Performs a wireless video telephony function

In addition, the fixing unit 40 uses a separate wired power source to perform the charging function of the portable unit 30 when the portable unit 30 is coupled.

Furthermore, by using a high-speed wired communication function (for example, ADSL) implemented to provide a wired video telephone function to the fixing unit 40, it may additionally provide a wired PC communication environment.

2. Operation when using only the fixed part 40 independently

In the case of the fixed part 40, since there is no separate image input and display function, basic telephone functions can be performed by using the built-in keypad 43, the speaker 44, and the microphone 45 when operating independently. have.

In addition, by using a high-speed wired communication function (for example, ADSL) implemented to provide a wired video telephone function to the fixed unit 40, the portable PC 30 can be independently provided with a wired PC communication environment. have.

As such, the present invention allows each device to operate as a portable video phone and a wired dedicated phone when moving or separating using a video phone such as an IMT2000 terminal, and when used in combination, the video / audio input / output function of the video phone and the video of the wired phone device. / Voice signal processor will be used as a combined.

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. That is, the present invention is based on a video mobile phone service to be implemented later, and can be used to provide a video phone service based on a modem, a cable modem, or an asymmetric subscriber line (ADSL) technology in a wired environment. Accordingly, the above description does not limit the scope of the invention as defined by the limitations of the following claims.

As described above, the wired / wireless combined video phone using the video mobile phone according to the present invention attaches a separate wired fixing device to the video mobile phone and, if necessary, has a wired video phone function using the video device of the video mobile phone even in a wired environment. There is an effect that can be implemented to make it possible.

In addition, the present invention also has the effect of providing a basic telephone function when using the wired fixed device independently.

In addition, the present invention has the effect of providing a charging function and a wired high-speed PC communication environment of a portable device using a fixed device.

Claims (3)

A logic unit which modulates and demodulates a communication signal input and output including an image signal captured by the camera unit, an image signal captured by the camera unit, and transmits / receives and processes a communication signal of the fixed device unit coupled to the image signal processed by the logic unit. A portable device unit including an image signal display unit to be displayed to the outside, a power unit for charging using power supplied when coupled to the fixing unit, and an RF unit connected to the logic unit to process wireless communication signals transmitted and received; ; A wired logic unit for processing video and audio signals transmitted and received from the portable device unit or a PC, and connected to an external telephone line unit to modulate and demodulate the video and audio signals inputted and outputted through the telephone line unit; The charging unit supplies a charging voltage to a speaker unit for emitting a voice signal, a microphone unit installed at a part of the fixing unit unit to process a voice signal, and connected to the wired logic unit and, when coupled with the portable unit unit, a power supply unit of the portable unit unit. Combined wired and wireless video phone using a video mobile phone, characterized in that consisting of a fixing device including a charging unit. delete delete