KR19990031426A - Information Display Method of External Device Using TV Receiver - Google Patents

Abstract

The technical field to which the invention described in the claims belongs.

It relates to a television receiver.

B. Technical problem to be solved

Provided is a method of displaying information of an external device using a television receiver.

C. Summary of the Solution

The television receiver has a communication port for data communication by connecting to an external device, and an external device is connected to the television receiver through a communication port to display various information such as stock information or fax document stored in the external device on the screen of the television receiver. It is characterized in that the display to be visible.

D. Significant Uses of the Invention

It is used to display information of external device by TV receiver.

Description

Information Display Method of External Device Using TV Receiver

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a television receiver, and more particularly, to an information display method of an external device using a TV receiver capable of data transmission and reception connected to an external device.

These days, digital mobile phone terminals are not only able to make phone calls, but also send and receive various securities information and fax documents. However, the conventional digital mobile phone terminal is not suitable for viewing the received stock information or fax documents because the display is too small due to the characteristics of the device.

Therefore, it is expected to be convenient for use if various information such as securities information or fax document received on a device having a small display unit, such as a digital mobile phone terminal, can be displayed on a device having a large display unit. It is also expected to be easy to use for most mobile phone users who are reluctant to use the computer by using a TV receiver instead of using a cumbersome computer.

As described above, the conventional digital mobile phone terminal can transmit and receive not only telephone calls but also securities information and fax documents. However, due to the characteristics of the digital mobile phone terminal, the display unit is small, so it is inconvenient to see the received stock information or fax document as described above.

Accordingly, an object of the present invention is to provide a method for displaying various information such as stock information or a fax document received by a digital mobile phone terminal on a device having a large display unit.

1 is a block diagram of a television receiver and a digital mobile phone terminal connected to a serial port according to an embodiment of the present invention;

2 is a flowchart of processing in a television receiver according to an embodiment of the present invention;

3 is a flowchart of processing in a digital mobile telephone terminal according to an embodiment of the present invention.

The present invention for achieving the above object is provided with a communication port for the data communication by connecting to the external device on the television receiver and the stock information or fax document stored in the external device by connecting the external device to the television receiver through the communication port It is characterized in that to display a variety of information such as to display on the screen of the television receiver.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Many specific details are set forth in the following description and in the accompanying drawings to provide a more general understanding of the invention. It will be apparent to those skilled in the art that the present invention may be practiced without these specific details. And a detailed description of known functions and configurations that may unnecessarily obscure the subject matter of the present invention will be omitted.

First, a block diagram of a TV receiver and a digital mobile phone terminal connected to a serial port according to an embodiment of the present invention is shown in FIG. In particular, the block configuration of FIG. 1 according to an embodiment of the present invention illustrates a digital mobile phone terminal as an example of an external device connected to a television receiver. Referring to the block configuration of the TV receiver 126 in FIG. 1, the tuner 100 converts an RF signal, which is a complex video signal received through an antenna, into an intermediate frequency signal. The image intermediate frequency amplification and detection unit 102 amplifies the intermediate frequency signal input from the tuner 100, and then detects the audio signal and the video signal, respectively, and the audio signal is the audio signal processor 104, and the image signal is the video signal processor. Each of them is applied to 110. The voice signal processor 104 demodulates the input voice signal and applies the demodulated voice signal to the voice output unit 106. The voice output unit 106 outputs the demodulated voice signal to the outside through the speaker 108. The image signal processor 110 processes a TV signal or various data display signals and applies them to the RGB output unit 116. The memory signal processing unit 112 performs the various digital processing on the input digital signal under the control of the central processing unit 122 and then applies the digital signal to the D / A converter 114. The D / A converter 114 converts the digital signal processed and applied through the memory signal processing calculator 112 into an analog signal and applies it to the image signal processor 110. The RGB output unit 116 processes the applied analog image signal and displays the received image pipe 118. The memory unit 120 includes a read only memory (ROM) for storing a program of the central processing unit 122 and a RAM for temporarily storing data according to program execution of the central processing unit 122. Access Memory (EEM), and EEPROM (Electrically Erasable and Programmable ROM) for storing various reference data. The remote control receiver 124 receives a command input from a remote controller (not shown) and applies the command to the CPU 122. The CPU 122 performs various functions of the TV receiver 126 by controlling the TV receiver 126 as a whole according to a program stored in the memory unit 120. The interface unit 128 includes a serial port connectable to an external device and interfaces data input and output between the TV receiver 126 and the external device.

Referring now to the block configuration of the digital mobile phone terminal 146, the RF transmitter and receiver 138 is connected to the antenna transmits and receives the RF signal. The frequency converter 140 is a baseband analog component, which converts and converts an analog intermediate frequency signal of a received RF signal into a baseband frequency domain, or converts digital data into an analog baseband signal, and then converts the digital data into an analog baseband signal. Up-converts to transmit RF signal. The modulator 142 modulates or demodulates the CDMA signal. The central processing unit 130 collectively controls the overall operation of the digital mobile phone terminal 146. The memory unit 144 may include a flash memory for storing programs and data for controlling the overall operation of the digital mobile phone terminal 146, and a RAM for storing various variables and other data according to the execution of the program. : A Random Access Memory (EPN), an EEPROM (Electrically Erasable and Programmable ROM) for storing a telephone number, an Electronic Serial Number (ESN), system parameters, and the like. The display unit 132 displays various states of the digital mobile telephone terminal 146 as a liquid crystal display device. The keypad 134 is used as a user interface means such as inputting a command or data necessary for an operation unique to the digital mobile phone terminal 146. The PCM codec 136 performs various processes in accordance with the digital transmission of the voice signal, such as digitization of the voice signal to be transmitted and restoration of the voice signal through analogization of the received signal. The interface unit 148 has a serial port that can be connected to an external device and interfaces data input and output between the digital mobile phone terminal 146 and the external device.

FIG. 2 illustrates a processing flow in a TV receiver during a process of connecting a digital mobile telephone terminal according to an embodiment of the present invention to a TV receiver to display various additional information received on a screen of the TV receiver. The operation according to the flowchart of FIG. 2 is programmed in the memory unit 120 to be performed by the central processing unit 122 of the TV receiver 126 of FIG. An embodiment of the present invention will now be described in detail with reference to FIGS. 1 and 2.

First, the user connects the digital mobile phone terminal 146 to the TV receiver 126 through the serial port and displays the contents of various additional information received by the digital mobile phone terminal 146. Enter a key to set the device search mode. The external device search mode refers to a mode previously set by the user in the TV receiver 126 to transmit and receive data between the TV receiver 126 and an external device connected through a serial port. In response, the central processing unit 122 proceeds from step 200 to step 202 to set the external device search mode in the TV receiver 126, and proceeds to step 204 in the TV receiver 126. The control signal is transmitted to the connected external device, that is, the mobile phone terminal 146, to request data on various additional information received by the mobile phone terminal 146 through the interface unit 128. The CPU 122 then proceeds to step 206 to check whether or not data is received from the mobile phone terminal 146. At this time, if no data is received, the central processing unit 122 maintains a reception standby state for continuously receiving data. In contrast, if data is received, the central processing unit 122 proceeds to step 208 and the mobile phone terminal. Data about the additional information received from 146 is displayed on the screen of the TV receiver 126. Accordingly, the user can view various additional information received from the mobile phone terminal 146 on the screen of the TV receiver 126.

FIG. 3 is a flowchart illustrating a processing flow of a digital mobile telephone terminal during a processing flow of connecting the digital mobile telephone terminal according to an embodiment of the present invention to a TV receiver and displaying various additional information received on a screen of the TV receiver. The operation according to the flowchart of FIG. 3 is programmed in the memory unit 144 to be performed by the central processing unit 130 of the digital mobile telephone terminal 146 of FIG. Now, embodiments of the present invention will be described in detail with reference to FIGS. 1 and 3.

The central processing unit 130 of the digital mobile phone terminal 146 responds to the request for data transmission from the TV receiver 126 in step 204 of FIG. 2 in step 302 of step 300 of FIG. In step S1, data about various additional information received by the mobile phone terminal 146 from the outside is read out from the memory unit 144. Next, the CPU 130 proceeds to step 304 and transmits the data read in step 302 to the TV receiver 126 through the serial port, and checks whether the transmission is completed in step 306. do. At this time, if the transmission is not completed, the central processing unit 130 returns to the step (304) and performs the steps (304) to (306) again, and if the transmission is completed, the transmission operation ends.

Therefore, by connecting a TV receiver and a digital mobile phone terminal through a serial port to enable data transmission, the contents of various additional information received by the digital mobile phone terminal can be displayed on a TV receiver having a large screen.

As described above, the present invention enables data transmission by connecting a TV receiver and a digital mobile phone terminal through a communication port, thereby displaying the contents of various additional information received by the digital mobile phone terminal on a TV receiver having a large screen. There is an advantage to that.

Claims (3)

A method for displaying additional information on an external device on a screen of a television receiver in a television receiver connectable to an external device through a communication port, And when the television receiver is set to a mode for displaying the additional information stored in the memory of the external device, receiving the additional information from the external device and displaying the transmitted additional information on the screen of the television receiver. Information display method of external device using receiver. A method for displaying additional information on an external device on a screen of a television receiver in a television receiver connectable to an external device through a communication port, Setting a mode for searching for additional information stored in a memory of the external device when a key input for searching for the external device is present; Requesting transmission of the additional information to the external device when the search mode is set; And displaying the transmitted additional information on the screen of the television receiver when the additional information is transmitted from the external device in response to the request for transmitting the additional information. . The method of claim 2, wherein the external device, Information display method of an external device using a TV receiver characterized in that the digital mobile phone terminal.