JP2002135482A - Color image communication system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To communicate data to a place desired by a user by radio when places where plural color printers are installed are decided by performing radio communication by devices connected with a digital network. SOLUTION: In an image output device such as a color image reader, a printer, a display color using a multilevel demodulation system capable of performing data communication of large capacity data with high quality and at high speed and having a radio communication system function, a controller having a radio communication function and capable of printing an image and an electronic document, etc., and outputting them from a place desired by the user by performing radio data communication among digital network system media such as a computer, a scanner, a digital camera, a printer with the color image reader is equipped.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

2. Description of the Related Art Conventionally, when a plurality of color image output devices are connected, they are connected on a cable network.

[0002]

Therefore, when the terminal is moved, it is necessary to newly set a different printer. In addition, the connection between the cables was likely to be complicated due to the presence of the cables.

An object of the present invention is to make it possible to wirelessly communicate data to a place desired by a user in a place where a plurality of color printers are determined by wirelessly communicating with a device connected to a digital network. Aim.

[0004]

According to the first aspect of the present invention, there is provided a color image reading apparatus using a multi-level modulation / demodulation system capable of high-speed data communication of high-capacity data and having a radio communication system function. And a digital network system medium such as a computer, a scanner, a digital camera, or a printer, which has a wireless communication function in an image output device such as a printer and a display color;
The above object is attained by providing a color image communication system having a control device capable of printing and outputting images and electronic documents from a place desired by a user by performing wireless data communication between color image reading devices. That is,
When the location of a plurality of color printers is determined by wireless communication between devices connected to a digital network, a printer near a user can be used.

According to the second aspect of the present invention, in the color image communication system according to the first aspect, IDs individually distributed to each other so that others cannot recognize confidential information by encrypting wireless data are recognized. It is characterized in that it has a recognition device capable of performing such operations, and by setting its ID and IP address, it is possible to notify only concerned parties that data has arrived. That is, by encrypting the wireless data, the confidential information can be notified only to the concerned parties. By checking this against the ID of the individual and the network address, the information can be disclosed only to those concerned. This ensures the security of the information.

According to a third aspect of the present invention, in the color image communication system according to the first aspect, a user sets a data capacity or a data type, thereby detecting frequency information and converting the frequency information into a suitable frequency. Thus, communication can be performed from a device capable of automatically changing the data communication speed. In other words, by setting the data capacity or the type of data by the user, frequency information is detected, and data can be communicated from a device that can automatically change the data communication speed by converting the frequency information to an appropriate frequency. If the data communication speed is large, the data communication speed is increased, and when the file format mode is selected as the data type, control can be performed to increase or decrease the communication speed from the normal communication speed. By converting the data communication speed, the speed and efficiency of data communication can be improved.

According to a fourth aspect of the present invention, there is provided the color image communication system according to the third aspect, further comprising a detection signal processing circuit for detecting that the sensitivity state and the crosstalk state are avoided by a plurality of antennas. It is characterized by being able to communicate with an exchange having a function of automatically selecting a line capable of high-speed data communication. That is, in the digital wireless communication, there is a case where the radio wave receiving sensitivity and the state of the crosstalk are often caused. In order to solve this problem, by detecting with multiple antennas and connecting to an exchange that can automatically select a line that can perform high-speed data communication, it is possible to avoid crosstalk no matter where the terminal moves, The efficiency of the net can be measured.

According to a fifth aspect of the present invention, in the color image communication system according to any one of the first to fourth aspects, the image reading device is connected to a LAN.
(Local area network). That is, cableless and space saving can be achieved by wireless communication of the in-house LAN.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of the color image communication system according to the present invention will be described below in detail with reference to FIGS. (1) First Embodiment This first embodiment corresponds to claim 1. FIG. 1 shows a state where wireless communication is performed between digital network systems (a personal computer, a printer, a camera, and a scanner).
Here, a state is shown in which a plurality of antennas can detect a transmission / reception state and select a state suitable for the state.
From there, it communicates to the image reading device. In the first embodiment, for example, by performing wireless data communication between a computer having a wireless communication function and a color image reading apparatus, it becomes possible to print out an image and an electronic document from a place desired by a user, thereby reducing a cable and saving space. And information can be obtained from a place closest to the user without unnecessary movement of the image reading apparatus.

(2) Second Embodiment This second embodiment corresponds to claim 2. FIG. 2 shows a state in which the information transmitted after encrypting the data is collated from the ID and the IP address, and the information is notified only to the persons concerned. In the second embodiment, there is provided a recognition device capable of recognizing an individually distributed ID by encrypting wireless data so that others cannot recognize confidential information, and setting the ID and a network address. By taking this into consideration, it is possible to notify only concerned parties that data has arrived in consideration of security.

(3) Third Embodiment This third embodiment corresponds to claim 3. In the third embodiment, the transmission rate can be converted by selecting a frequency suitable for the mode set by the user. This converts the frequency from the frequency detection circuit to a more suitable frequency by the frequency conversion circuit,
Then, the data communication speed is automatically determined by operating a feedback loop by a comparison circuit until the data communication speed can be converted into a frequency equal to or higher than a specified frequency by calculating the data communication speed.

(4) Fourth Embodiment The fourth embodiment corresponds to claim 4. In the fourth embodiment, a line state is detected by a detection circuit, and communication with an image reading apparatus can be performed through an interface circuit from an exchange capable of selecting a line capable of communicating at the highest speed.

FIG. 3 shows a circuit configuration for realizing the third and fourth embodiments. In FIG.
By detecting the line frequency according to the data capacity and data type, converting it to a suitable frequency, and feeding it back to the comparison circuit, the loop is turned until the specified transmission speed is reached, and a transmission speed higher than the specified can be secured. Then, a state is shown in which the exchange selects the line which can transmit and receive at the highest speed and communicates with the exchange.

(5) Fifth Embodiment This fifth embodiment corresponds to claim 5. In the fifth embodiment, the in-house LAN is provided so as to be able to perform wireless communication in the first to fourth embodiments described above.

[0015]

According to the first aspect of the present invention, there is provided a color image reading apparatus and a color image reading apparatus using a multi-level modulation / demodulation system capable of high-speed and high-speed data communication of a large amount of data and having a wireless communication system function. In an output device (printer, display), data can be wirelessly communicated to a place desired by the user, so that a color print can be output to the nearest image reading device, so that efficient and space saving can be achieved. According to the second aspect, by collating information such as confidential information with the ID and the IP address, the security of the information can be ensured and the information can be notified only to the parties concerned. According to the third aspect, the communication speed can be determined by converting to a suitable frequency, so that the information transmission time can be roughly estimated. Further, since a transmission speed higher than the specified value can be secured, data can be transmitted at high speed. Frequency conversion saves frequency resources. That is, information can be communicated in parallel at the same time, which is efficient. According to the fourth aspect, the transmission / reception state detection circuit enables communication between the image reading apparatus and an exchange capable of automatically selecting a line having a good state, thereby increasing the speed and efficiency of data communication. According to the fifth aspect of the present invention, the in-house LAN is provided so as to be capable of wireless communication, so that it is not necessary to connect cables and connectors, so that space can be saved. In addition, it is possible to cope with high-speed image electronic information communication.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a color image communication system according to a first embodiment.

FIG. 2 is a configuration diagram of a second embodiment.

FIG. 3 is a circuit configuration diagram of a third embodiment and a fourth embodiment.

Claims (5)

[Claims] An image output apparatus such as a color image reading apparatus and a printer or a display color using a multi-level modulation and demodulation method capable of high-speed data communication of large-capacity data and having a wireless communication system function. It has a communication function and prints out images and electronic documents from the user's desired place by wireless data communication between digital network system media such as computers, scanners, digital cameras, printers, etc. and color image reading devices. A color image communication system having a control device capable of performing the control. 2. The color image communication system according to claim 1, further comprising a recognition device capable of recognizing the individually distributed IDs by encrypting the wireless data so that another person cannot recognize the confidential information. A color image communication system characterized in that by setting its ID and IP address, it is possible to notify only concerned parties that data has arrived. 3. The color image communication system according to claim 1, wherein a user sets a data capacity or a data type, detects frequency information, and converts the frequency information into an appropriate frequency to automatically perform data communication. A color image communication system wherein communication can be performed from a device whose speed can be changed. 4. A color image communication system according to claim 3, further comprising a detection signal processing circuit for detecting that a sensitivity state and a crosstalk state are avoided by a plurality of antennas, and a line capable of performing data communication at the highest speed. A color image communication system capable of communicating with an exchange having a function of automatically selecting the color image communication system. 5. The color image communication system according to claim 1, wherein the image reading device is a LAN (local area network).
A color image communication system characterized in that communication is possible within the network.