KR20020059312A - Common method for wireless input/output port - Google Patents

Abstract

PURPOSE: A method for sharing an input/output port by wireless is provided to realize a fine view of an office by connecting a plurality of computers and printers by wireless. CONSTITUTION: One printer inherent identifier is selected out of a plurality of printer inherent identifiers which are pre-set in a computer transmitter-receiver in accordance(S13), and the printer inherent identifier and printing data are transmitted by wireless(S15). The transmitted data are received in a printer transmitter-receiver(S16), and the received printer inherent identifier is compared with a printer inherent identifier stored in one's printer(S17). If the received printer inherent identifier is identified with the printer inherent identifier stored in one's printer, the received printing data are inputted in the printer for a printing process(S19).

Description

Wireless sharing method of input / output port {COMMON METHOD FOR WIRELESS INPUT / OUTPUT PORT}

The present invention relates to a wireless sharing method of an input / output port, and more particularly, to allow a plurality of computers connected to a wireless network to operate by selectively transmitting data wirelessly to one or more specific peripheral devices among a plurality of peripheral devices. The present invention relates to a wireless sharing method of an input / output port that allows a plurality of peripheral devices to be jointly used.

The technical idea of the present invention can be applied to all fields such as factory automation (FA), medical equipment, general computer, etc. In the following description, a plurality of computers connected to a network selectively transmit data to one or more specific printers among a plurality of printers. By wirelessly transmitting the content to be printed to be described as an example to enable the use of a plurality of printers in a plurality of computers jointly.

In recent years, the work of creating or editing document or image data is usually performed in a computer according to the development of a computer (PC), and a printer (Printer) is used as a means for outputting document or image data.

Generally, a printer is an office automation device that is connected to a computer and prints or prints a document or image data created or edited on a computer on paper, and receives and sets a document or image data created or edited on a computer. It is a device that converts into printing language suitable for printing condition and outputs to paper using colored dye such as ink or toner. Here, the computer and the printer are connected by a wired cable, which enables bidirectional communication.

1 is a view showing a configuration in which a plurality of computers share a printer by a conventional technology, Figure 2 is a view showing a configuration in which a single computer shares a plurality of printers by a conventional technology.

Referring to FIG. 1, reference numerals 11, 12, and 13 denote a plurality of computers for creating or editing document or image data according to a user's operation, and 20 denotes a number of computers. Or a printer for printing the edited data, and 30 represents a router for connecting the respective computers 11, 12, and 13 to the printer 20.

In the above system, when a user generates a print signal by operating a print button or the like in each of the computers 11, 12, and 13, the document or image data to be printed to the printer 20 through the router 30. Is sent. At this time, the printer 20 prints the input document or image data. When a print signal is generated simultaneously by several computers 11, 12, and 13, the printer 20 performs printing according to priority.

Meanwhile, referring to FIG. 2S, reference numeral 10 denotes a computer for creating or editing document or image data according to a user's operation, and 21, 22, and 23 denote data created or edited in the computer 10. 30 represents printers for printing, and 30 represents a router connecting the computer 10 and the printers 21, 22, and 23.

In such a system, the printers 21, 22, and 23 are configured to print different types of documents, for example, different sizes of paper to be printed, materials of paper, colors of printing ink, and the like. Can be.

Even in such a system, when a user generates a print signal by operating a print button or the like in the computer 10, the document or image data to be printed by the printer 30 to the printers 21, 22, and 23 is generated. The printer 21, 22, 23 transmits the input document or image data. In this case, the computer 10 designates the printers 21, 22, and 23 to be printed by separate operations.

However, in the conventional system as shown in FIGS. 1 and 2, the computers 10, 11, 12, 13, the printers 20, 21, 22, 23, and the router 30 are all connected by wired cables. Therefore, when the installation distance is limited, and wired cables are difficult to handle in an office or the like, when cables are entangled with each other, the periphery of the printer becomes messy, resulting in aesthetic problems. In order to solve this problem, when embedding a wired cable, the work becomes complicated, and a problem arises that it is very difficult to move to change the installation location of the computer.

In addition, when a non-networked computer needs to connect different printers in order to print different types of documents from one computer, each time a different printer is used, the connection cable must be replaced to perform a print job. Since the printer has to go through the steps for setting the desired printer each time, the trouble of setting up the printer is cumbersome, which causes inconvenience in use.

The present invention has been made to solve the above problems, its purpose is to simplify the installation by connecting a plurality of computers and a plurality of printers to each other wirelessly, and eliminates the need for cables to solve the aesthetic problems caused by cables in the office, etc. The present invention provides a wireless sharing method of input / output ports that can be solved.

In addition, another object of the present invention is to designate each printer using ASCII Code (ASCII) American Standard Code for information interchange (ASCII) to transfer the print data directly to a plurality of printers without using a router to quickly print various types of documents The present invention provides a wireless sharing method of an input / output port that can be output easily.

In addition, another object of the present invention is to provide a wireless sharing method of the input and output ports to print by converting the data input from the serial port, parallel port, USB port (USB) port into a form suitable for the printer by adding a port check function It is.

According to an aspect of the present invention for achieving the above object, provided with a plurality of computers (PC) and a plurality of printers, each of the computer (PC) and each printer has a transceiver that can transmit and receive data wirelessly In the wireless sharing method of the input and output port for applying to the network system to be connected,

A first step of selecting a printer unique identifier among a plurality of printer unique identifiers preset in a computer transceiver according to a user's computer (PC) operation, and wirelessly transmitting a printer unique identifier and print data; A second step of checking whether the data transmitted in the first step is identical to the printer unique identifier stored therein after comparing the received printer unique identifier with the received printer unique identifier; And a third process of inputting the received print data into the printer when the printer unique identifiers are the same in the second process so that printing is performed.

In this case, according to an additional aspect of the present invention, the first process may include a first step of checking which port is input from a serial port, a parallel port, and a USB port of a computer; And a second step of converting the data into a data form suitable for the corresponding printer and transmitting it wirelessly after the first step is made.

In addition, according to another additional aspect of the present invention, it is preferable that the first step includes transmitting the same document to multiple printers when a plurality of printer unique identifiers are selected at the same time.

1 is a view showing a configuration in which a plurality of computers share a printer in the prior art

2 is a view showing a configuration in which a single computer shares a plurality of printers according to the prior art

3 is a diagram illustrating a configuration in which a plurality of computers share a plurality of printers according to the present invention.

4 is a block diagram schematically showing an internal configuration of a transceiver according to the present invention.

5 is a flowchart illustrating a process of performing printing according to the present invention.

<Explanation of symbols for the main parts of the drawings>

41,42,43: computer 51,52,53: computer transceiver

61,62,63: printer transceiver 71,72,73: printer

81: duplexer 82 :: demodulator

83 modulator 84 control unit

85: memory 86: port identification unit

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

3 is a view showing a configuration in which a plurality of computers share a plurality of printers by the present invention, Figure 4 is a block diagram schematically showing the internal configuration of the transceiver according to the present invention, Figure 5 is printed by the present invention It is a flowchart showing the process of performing.

Referring to FIG. 3, a plurality of computers 41, 42, and 43 and a plurality of printers 71, 72, and 73 are provided, and data is wirelessly transmitted and received to each of the computers 41, 42, and 43. Computer transceivers 51, 52, and 53 are connected to each other, and each printer 71, 72, and 73 is connected to the printer transceivers 61, 62, and 63 capable of wirelessly transmitting and receiving data.

At this time, the computer transceiver (51, 52, 53) and the printer transceiver (61, 62, 63) has a configuration as shown in Figure 4, referring to Figure 4 of the accompanying drawings, to transmit / receive a signal A duplexer 81, a demodulator 82 which receives and amplifies a signal received through the duplexer 81, performs demodulation, and restores data; and encodes and modulates a signal to be transmitted, thereby performing the duplexer ( 81, a control unit 84 for controlling the operation of the demodulator 82 and the modulator 83, the computers 41, 42, 43, and the printers 71, 72, 73. Of the memory 85 and the computer 41, 42, 43 and the printer 71, 72, 73 which store a unique identifier of Check whether the serial port, parallel port, or USB port is connected. And a port checking unit 86 provided to the control unit 84.

The memory 85 serves as a buffer for temporarily storing data to be received or to be transmitted.

The process of performing printing according to the present invention in the system having the above configuration will be described in detail with reference to the flowchart of FIG. 5.

First, when the system is built, unique identifiers of the computers 41, 42, 43 and printers 71, 72, 73 are determined, and each unique identifier is designated as ASCII code (ASCII) to the memory 85. Stored.

When the user wants to print a specific document, the user operates the computers 41, 42 and 43 to select a document file or an area to be printed to generate a print signal (see step S11). The unique identifier list of each of the printers 71, 72, and 73 stored in the memory 85 of the 51, 52, and 53 is called up and displayed on the screen so that the user can easily select it (see step S12).

When the user selects a unique identifier of a specific printer (see step S13), the data of the document to be printed by the modulator 83 is modulated into a data form suitable for the corresponding printer according to the control signal of the controller 84 (step S14). The unique identifiers of the computers 41, 42, and 43, the unique identifiers of the printers 71, 72, and 73, and the print data are wirelessly transmitted through the tuplexer 81 (see step S15). The port checking unit 86 checks which port of the computer 41, 42, 43 is connected to the control unit 84, and provides the control unit 84 to the corresponding printer according to the connected port. The process of converting the print data into the correct data format is performed.

As described above, the wirelessly transmitted data is received by the printer transceivers 61, 62, and 63 connected to the printers 71, 72, and 73 (see step S16), and through the duplexer 81 to the demodulator 82. The data is input to restore the data. At this time, the controller 84 temporarily stores the restored data in the memory 85 and compares the printer unique identifier of the printer stored in the memory 85 with the received printer unique identifier (see step S17). , The same is checked (see step S18).

If the printer unique identifier is the same in the above process, the received print data is input to the printer engine inside the printer to perform printing (see step S19).

According to another embodiment of the present invention, a plurality of printers 71 and 72 can be selected when a plurality of printer unique identifiers can be simultaneously selected and a number of documents to be printed can be specified. , 73 can be transmitted at the same time to achieve a quick output, and different types of documents can be transmitted to different printers (71, 72, 73), respectively, so that a quick output can be made.

In addition, the printers 71, 72, and 73 may transmit a signal indicating whether printing is normally performed to the computers 41, 42, and 43 through bidirectional communication.

The present invention is not limited to the embodiments described above, and various modifications and changes can be made by those skilled in the art, which are included in the spirit and scope of the present invention as defined in the appended claims.

For example, the technical idea of the present invention can be applied to all fields of factory automation (FA), medical devices, general computers, and the like.

As described above, by applying the wireless sharing method of the input and output ports of the present invention, by connecting a plurality of computers and a plurality of printers wirelessly to each other, no cable is required, thereby improving the aesthetics of the office, and the installation work is simple It is effective.

In addition, by adding a port checking function, the data input from the serial port, the parallel port, and the USB port can be converted into a form suitable for a printer so that printing can be performed, thereby improving convenience of use.

In addition, by designating each printer using ASCII code, it is possible to send print data directly to multiple printers without using a router. This allows a quick output to be made, and even if the different types of documents are transmitted to different printers, there is an effect that can be quickly output.

Claims (3)

In the printer wireless sharing method for applying to a network system including a plurality of computers (PC) and a plurality of printers, each of the computer (PC) and each printer is connected to a transceiver capable of transmitting and receiving data wirelessly, A first step of selecting a printer unique identifier among a plurality of printer unique identifiers preset in a computer transceiver according to a user's computer (PC) operation, and wirelessly transmitting a printer unique identifier and print data; A second step of checking whether the data transmitted in the first step is identical to the printer unique identifier stored therein after comparing the received printer unique identifier with the received printer unique identifier; And And a third process of inputting the received print data into the printer when the printer unique identifiers are the same in the second process so that printing is performed. The method of claim 1, The first step may include a first step of checking whether a data is input from a serial port, a parallel port, or a USB port of a computer; And And a second step of converting the data into a data form suitable for the corresponding printer and transmitting the data wirelessly after the first step is made. The method of claim 1, In the first process, if the plurality of printer unique identifiers are selected at the same time, the step of transmitting the same document to a plurality of printers, characterized in that the wireless sharing method of the input port.