KR19990011981A - Electric rice cooker with variable heating source position - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a PC signal selection device and a method for selecting a wireless monitor in which a wireless computer system can transmit and receive data without interfering with each other.

In a conventional wireless computer system, when multiple computers are used in an office, data crosstalk occurs on the wireless monitor by the same signal received by the monitor by the same signal transmitted from the wireless PC of the computer system. As a result, the user of the wireless computer system is less reliable.

The present invention provides a wireless monitor that receives a wireless data signal of an image and a video code together with a password code from a wireless PC of a transmission means to prevent cross-confusion of data generated when multiple wireless PCs and wireless monitors are used in one office. Checks whether or not the password of the PC is in the wireless data code, and has a means for controlling the operation of the wireless monitor according to whether the password matches the password stored inside the wireless monitor or whether the password is set on the PC. The radio signal is to select and receive.

Description

PC Signal Selector and Selection Method of Wireless Monitor

In the wireless computer system, in particular, when using a wireless monitor with a large number of wireless PCs to prevent the interference of data caused by mutual communication and to effectively control the crosstalk of the PC to transmit and receive wireless data The present invention relates to a signal selection device and a selection method.

When using one PC and a monitor in a conventional wireless computer system, the signal transmitted from the wireless PC is received by the wireless monitor, so that mutual interference of data with respect to the wireless signal does not occur.

However, when using a plurality of wireless computer systems, data crosstalk occurs between wireless monitors receiving the same signal by signals transmitted from multiple PCs.

That is, it is not a problem when only one wireless monitor and a wireless PC are used in one office, but when using multiple devices, data confusion occurs between wireless monitors receiving the same signal as a wireless PC transmitting the same signal.

As described above, the wireless monitor and the wireless PC are not equipped with a device for selectively operating the signal while receiving the same signal transmitted from the wireless PC of the conventional wireless computer system. There is a problem caused by the interference of wireless data generated when using multiple offices.

In order to solve the above problems, the present invention uses the signal transmitted from the wireless data code from the transmitting means to determine whether the wireless monitor is in normal operation in the receiving means to control the wireless data crosstalk, To improve the reliability.

The PC, which is a component of the transmitting means, includes a password determination unit for determining whether a password is set, a password controller for setting a password code, a code signal input unit for inputting the password, video, and PC code signals to a receiver, and the code A transmitter for transmitting a signal; The monitor, which is a component of the receiving means, includes: a receiving unit for receiving wireless data, a password control unit for determining whether the received data password matches, determining a normal operation, a password setting unit controlling to set the password, and OSD screen display unit for displaying a password to set the password, a problem display unit for displaying a problem of the problem with the password, and the normal operation unit for operating the monitor normally if the password is set and matched.

1 is a system configuration diagram of the present invention wireless PC and wireless monitor

2 is a detailed block diagram of a wireless PC in the PC signal selecting apparatus of the present invention wireless monitor;

3 is a detailed block diagram of a wireless signal in the PC signal selection apparatus of the present invention wireless monitor;

Figure 4 is a data code of the PC signal selection apparatus of the present invention wireless monitor

5 is a flow chart showing the progress of the PC signal selection method of the present invention wireless monitor

The configuration of the wireless PC signal selection device of the wireless monitor of the present invention is as shown in Figs.

A transmission means for transmitting a wireless data code including a password and a video signal of the PC 10 and a PC code signal, and a wireless data code transmitted from the transmission means to determine whether the password matches and is set. Receiving means for controlling the operation of the monitor 20.

The transmitting means is composed of a wireless PC 10 and the receiving means is composed of a wireless monitor 20.

The wireless PC 10 includes a password determination unit 1 that determines whether a password is set by power supply, a password control unit 2 that sets a password code value by the password setting signal, and an input data code. A transmitter 3 for transmitting and a code signal input 4 for applying the password, video signal and PC code signal to the transmitter 3,

On the other hand, the wireless monitor 20 is the receiving unit 11 for receiving the data code signal transmitted from the wireless PC 10 by the power supply, and whether the password of the received data code and the password set therein match or not The password control unit 12 to compare, the normal operation unit 13 for performing normal operation of the monitor 20 by the password matching determination of the password control unit 12 and the password setting of the PC 10 in the OSD setting unit 16; If the password of the PC in the password control unit 12 does not match or the password setting unit 14 to set the password, and the problem caused by the password setting unit 14 to display the screen to reset the password The problem display unit 15 and the OSD setting unit 16 to display on the screen to set the password of the PC 10 by the password setting unit 14.

A PC signal selection device and a selection method of the wireless monitor of the present invention configured as described above will be described with reference to FIGS. 1 to 5.

As shown in Figs. 1 and 2, the operation of the PC 10 for transmission of a wireless data code in the transmitting means is seen;

The power supply of the PC 10 determines whether a password (initialization command) is set in the password determination unit 1, and if the password is set, it is applied to the transmission unit 3 through the password control unit 2, and the password If is not set, the PC password control unit 2 sets the password code.

Here, the password (initialization command) is basically a function that can be easily set in the PC (PC), and is used as an initializing command for wireless data as a basic function using the password.

When the password is set, the PC password control unit 2 applies the password code to the transmitter 3 in the set state. Otherwise, the PC password controller 2 applies the password code to the transmitter 3 without setting the password.

The password code received through the PC password control unit 2, the transmitter 3 and the code signal according to the presence / absence of the password and the password, the image and the PC code signal input from the code input unit 4 together with FIG. In the same manner, the data is transmitted using a wireless data code.

That is, the password code is transmitted together with the image and the PC code regardless of the setting of the password code value.

As shown in Figs. 1 and 3, a data code signal transmitted from the transmitting means is received at the receiving means, and the execution of the operation of the monitor 20 is controlled using the received password;

The receiving unit 11 of the monitor 20 of the receiving unit receives the data code signal transmitted from the PC 10, and the signal received by the receiving unit 11 is applied to the password control unit 12.

If there is a password code value in the wireless data code of the PC 10, the password controller 12 compares the password code of the monitor 20 stored therein and determines whether the password code value is the same.

If the result of the determination is matched, the normal operation unit 13 is applied to enable normal operation using the monitor 20.

On the other hand, in the password control unit 12, if there is no password code value in the wireless data code of the PC 10 or if the passwords do not match with each other, a signal is applied to the password setting unit 14 to set a password.

The password setting unit 14 controls the problem display unit 15 and the OSD setting unit 16 so that the user sets the password by a signal applied from the password control unit 12.

If a problem occurs due to the password in the password setting unit 14, the problem display unit 15 continuously displays the current problem on the screen to allow the user to set the password of the PC 10 or to terminate the monitor 20. do.

That is, if the user does not set the password of the PC 10 in a state in which the password of the PC 10 and the internal setting password do not match, the problem display unit 15 is used to continuously display the current problem on the monitor screen so that the PC ( 10) to set a password or to end the monitor 20.

When the user selects the password setting of the PC 10 while the passwords do not match with each other, the password setting unit 14 controls the OSD setting unit 16 so that the user presses the OSD on the screen. It will be displayed for setting a password.

As described above, the state of the password of the PC is determined and the state thereof is controlled to selectively receive the wireless data codes from the wireless monitor 20 so as to execute a job.

Looking at the PC signal selection method of the wireless monitor with reference to FIG.

A first step of checking whether or not the password of the personal computer is set and if there is no password, transmitting a PC wireless signal; A second step of receiving the transmitted PC wireless signal at a wireless monitor; A third step of determining whether or not a PC password of the received PC wireless signal is present; A fourth step of determining whether or not the PC password is matched by comparing the password inside the monitor and, if there is no PC password, the monitor asking whether the PC password is set; A fifth step of performing a task if the result of the password matching or not matches in the fourth step and ending the monitoring; otherwise, displaying the problem on the screen to set a password; A sixth step of terminating the monitor if the PC password is not set as a result of the fourth step; A seventh step of displaying the problem on the screen and resetting the password if the password is not set manually as a result of the sixth step; if the manual setting is made, pressing OSD, then selecting a password, setting a password, and ending the OSD; When the OSD is terminated in the seventh step, if the execution of the job is checked by selecting whether to execute the job, the PC wireless signal is received, and if the operation is not selected, the eighth step of terminating the monitor proceeds.

Herein, in order to set a password in the seventh step, the number up (+, ↑) or number down (-, ↓) key is set, and the left (◀) or right (▶) moving key is set.

The present invention effectively controls the data interference caused by the use of multiple PCs and monitors in one office when using wireless data communication signals between PCs and monitors, and can be configured in software to reduce costs and to reduce overall cost. There is an effect of improving the reliability of the system.

Claims (3)

Means for determining whether to execute the operation of the wireless monitor 20 of the receiving means by using the PC password state of the wireless data code to selectively receive the wireless data code transmitted from the wireless PC 10 of the transmitting means. PC signal selector of the wireless monitor, characterized in that configured. Password determination unit (1) for determining whether or not the password of the wireless PC (10), the password control unit (2) for controlling whether or not the setting according to the password presence / non-existence, and the password and the image and the PC code signal A wireless PC (10) of transmission means including a transmission unit (3) for transmitting a wireless data code, and a code signal input unit (4) for inputting the password, video and PC code signal to the transmission unit (3); A receiving unit 11 for receiving a data code signal transmitted from the wireless PC 10 by power supply, a password control unit 12 for determining whether a password of the received wireless data code matches an internally set password, and If the passwords in the password control unit 12 coincide with each other, the normal operation unit 13 which normally operates the monitor 20 and the password control unit 12 determines that the password of the PC 10 does not exist or does not match the wireless PC ( A password setting unit 14 for setting a password of 10), a problem display unit 15 for displaying a problem occurring in the password setting unit 14 on the screen, and the password setting unit 14 for a wireless PC. PC signal line of the wireless monitor, characterized in that consisting of; wireless monitor 20 of the receiving means including the OSD setting unit 16 to display on the OSD screen so that the password can be set (10) Device. A first step of checking whether or not the password of the personal computer is set and if there is no password, transmitting a PC wireless signal; A second step of receiving the transmitted PC wireless signal at a wireless monitor and determining whether or not a password of the received PC wireless signal is present; A third step of judging whether or not there is a PC password by comparing the password inside the monitor and determining whether or not the PC password is set if there is no PC password; A fourth step of executing a job if the passwords match in the third step and displaying a problem on the screen if the passwords do not match; A fifth step of terminating the monitor when the PC password is not set in the third step and asking whether to manually set the password if the PC password is set; If the manual setting of the password is not selected in the fifth step, displaying the problem on the screen and resetting it; if selecting, pressing the OSD, selecting a password, setting a password, and ending the OSD; When the OSD is terminated in the sixth step, it is determined whether to execute the job to receive the PC wireless signal when selecting the job execution, and to terminate the monitor when the job execution is not selected; PC signal selection method of wireless monitor.