JP2000261773A - Information device control system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce picture information processing time, to quickly display a picture and to attain sufficient remote supervision by deciding a plurality of picture information names between an image information generator and a terminal before transmission/reception of picture information in advance. SOLUTION: The information device control system is provided with an information disclosure device adopting a request/reply method where a picture information distributor 11 transmits picture information produced by a picture information generator 10 under the management of the picture information distributor 11 to a terminal 5 upon request of the terminal 5. In this case, prior to transmission/reception of picture information, a plurality of picture information names are decided between the picture information generator 10 and the terminal 5, and the picture information generator 10 updates picture information by using a picture information name not used by the picture information distributor 11 for its transmission or the picture information distributor 11 transmits picture information by using the picture information name not used by the picture information generator 10 for its update.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a real-time distribution of discrete or continuous information and a system for controlling information equipment such as video input equipment.

[0002]

2. Description of the Related Art There is a remote monitoring system in which a digital camera is combined with a computer having a server function. In such a system, for example, a digital camera is provided at each place in a building to perform security security, or process management is performed in preparation for each production process.

[0003]

By the way, for example, image image information from a plurality of digital cameras is received, and image image information from each of the digital cameras is displayed on a plurality of display devices, or a recorded image is displayed. If the display is divided and monitored at the same time, it takes a long time to process the image information, and the display on the display device is delayed more than actual, so that sufficient remote monitoring cannot be performed.

The present invention has been made in view of such circumstances, and can display image image information on a plurality of display devices, display a recorded image, or simultaneously display the image image information separately. In addition, it is an object of the present invention to provide an information device control system in which the time required for processing image information is reduced, image display is quick, and sufficient remote monitoring is possible.

[0005]

Means for Solving the Problems In order to solve the above problems and achieve the object, the present invention has the following constitution.

According to a first aspect of the present invention, there is provided an image information generating apparatus which transmits image information generated under the control of an image information distributing apparatus by a request from the terminal apparatus. A request / response information disclosure mechanism for sending to the
A plurality of image information names are negotiated between the image information generation device and the terminal device, and the image information generation device updates the image information using the image information name that is not being used for transmission by the image information distribution device, or An information device control system, wherein the image information distribution device transmits image information using an image information name that is not being used for updating by the image information generation device. ].

According to a second aspect of the present invention, there is provided an image processing apparatus according to the first aspect, wherein the image information generating apparatus attempts to transmit the image information name being used for updating to the terminal device by using the image information distribution apparatus. An information equipment control system characterized by responding to a terminal device that transmission is impossible and giving the terminal device an opportunity to request image information again. ].

According to a third aspect of the present invention, in the first aspect, when the image information generating device attempts to transmit the image information name being used for updating by the image information generating device to the terminal device, An information device control system, characterized in that a terminal device is passively notified that transmission is impossible with no response, and the terminal device is given an opportunity to request image information again. ].

According to a fourth aspect of the present invention, in the first aspect, after transmitting the image information name which is not being used for updating by the image information generating device to the terminal device by using the image information distribution device, An information device control system for making a request at the next image information request using an image information name different from the image information name at the time of the previous request. ].

According to a fifth aspect of the present invention, there is provided the image processing apparatus according to the first aspect, wherein the image information generating device transmits the image information name not being used for updating to the terminal device by using the image information distribution device. An information device control system for making a request at the next image information request using the same image information name as the image information name at the time of the previous request after an arbitrary waiting time. ].

According to a sixth aspect of the present invention, in the first aspect, when the image information generating apparatus attempts to update the image information name being used for transmission by the image information distribution apparatus, An information device control system characterized in that an update is attempted again using an image information name different from the name. ].

According to a seventh aspect of the present invention, there is provided an image processing apparatus according to the first aspect, wherein, when the image information generating apparatus attempts to update the image information name being used for transmission by the image information distribution apparatus, the image information generating apparatus uses the arbitrary waiting state. An information device control system, wherein after a lapse of time, an update is attempted again using the same image information name as the image information name. ].

According to the first to seventh aspects of the present invention, prior to transmission and reception of image information, a plurality of image information names are previously determined between the image information generating device and the terminal device. The generating device updates the image information using the image information name that is not used by the image information distribution device for transmission, or the image information distribution device uses the image information name that is not used by the image information generation device for updating. Since the transmission of the image information, it is possible to quickly and reliably transmit the image information, to display the image image information on a plurality of display devices, or to display a recorded image, or to simultaneously display the image information divided, Moreover, the time required for processing the image information is reduced, the image is displayed quickly, and sufficient remote monitoring becomes possible.

According to an eighth aspect of the present invention, there is provided the image information generating apparatus which transmits image information generated under the control of the image information distribution apparatus to the terminal apparatus in response to a request from the terminal apparatus. The information disclosure mechanism of the request / response method to be performed.
A plurality of image information names are negotiated between the image information generation device and the image information distribution device, and a terminal device requests image information using a generic name of the plurality of image information names. The image information is transmitted by using the image information name that is not used for updating by the generating device, or the image information generating device is to update the image information by using the image information name that is not being used by the image information distributing device for transmission. An information equipment control system characterized by the following. ].

According to a ninth aspect of the present invention, there is provided the image processing apparatus according to the eighth aspect, wherein the image information generating apparatus attempts to transmit the image information name being used for updating to the terminal device by using the image information distribution apparatus. An information equipment control system, characterized by responding to a terminal device that transmission is impossible and giving the terminal device an opportunity to request image information again. ].

According to a tenth aspect of the present invention, there is provided an image processing apparatus according to the eighth aspect, wherein when the image information generating device attempts to transmit the image information name being used for updating by the image information generating device to the terminal device, An information device control system, characterized in that a terminal device is passively notified that transmission is impossible with no response and gives an opportunity for the terminal device to request image information again. ].

According to an eleventh aspect of the present invention, there is provided the image processing apparatus according to the eighth aspect, wherein the image information generating apparatus attempts to transmit the image information name being used for updating to the terminal apparatus by using the image information distribution apparatus. An information device control system characterized in that transmission is attempted using an image information name different from the image information name. ].

According to a twelfth aspect of the present invention, there is provided an image processing apparatus according to the eighth aspect, wherein the image information generating apparatus attempts to transmit the image information name being used for updating to the terminal device by using the image information distribution apparatus. Sometimes, after any waiting time,
An information device control system, wherein transmission is attempted using the same image information name as the image information name. ].

According to a thirteenth aspect of the present invention, the image information distribution device transmits an image information name which is not being used for updating by the image information generation device to the terminal device. When the next image information request is made, a request is made using the generic name of a plurality of image information names, and upon receiving the request, the image information distribution apparatus transmits using the image information name different from the image information name at the time of the previous transmission. An information equipment control system characterized by the following. ].

According to a fourteenth aspect of the present invention, in the eighth aspect, after transmitting the image information name which is not being used for updating by the image information generating device to the terminal device using the image information distribution device, When the next image information request is made, a request is made using the generic name of a plurality of image information names, and after receiving the request, the image information distribution apparatus waits for an arbitrary waiting time, and then transmits the same image information name as the image information name transmitted last time. An information device control system for transmitting using a name. ].

According to a fifteenth aspect of the present invention, in the eighth aspect, the terminal device makes a request using a generic name of a plurality of image information names, and the image information distribution device receiving the request makes a request for the image information. An information device control system, characterized in that the last updated image information is specified based on the update date and time information, and transmission to a terminal device is attempted using the image information name. ].

According to a sixteenth aspect of the present invention, there is provided the image information distributing apparatus according to the eighth aspect, wherein, when the image information generating apparatus updates the image information, the updated image information name or information necessary for specifying the updated image information name is transmitted to the image information distributing apparatus. When the terminal device makes a request using the generic name of a plurality of image information names, the image information distribution device that has received the request is finally updated based on the information obtained from the image information generation device. An information device control system characterized in that specified image information is specified and transmission to a terminal device is attempted using the image information name. ].

According to the present invention, prior to transmission / reception of image information, a plurality of image information names are previously determined between the image information generation device and the image information distribution device. The terminal device requests image information using a generic name of a plurality of image information names, and the image information distribution device transmits image information using an image information name that is not being used by the image information generation device for updating, or Since the information generation device updates the image information using the image information name that is not being used by the image information distribution device for transmission, the image information is transmitted quickly and reliably, and the image information is displayed on a plurality of display devices. Image display, recorded image display, or split image display of image information at the same time. In addition, the time required for processing image information is reduced, and image display is quick and sufficient remote monitoring is possible. Possible to become.

According to a seventeenth aspect of the present invention, there is provided an image processing apparatus wherein "image information is continuously written in a finite-length storage area, and when the writing reaches the end of the storage area, the storage area returns to the top of the storage area to overwrite. A plurality of transmission paths or a plurality of virtual paths logically multiplexed on a single transmission path, the apparatus comprising an image information generating apparatus having a continuous real-time image information generation source. Using a transmission path, the generated image information is only sequentially divided into the number of transmission paths in an arbitrary unit, and is transmitted to each transmission path without adding any additional control information to the generated image information. An information equipment control system characterized by the following. ].

According to the eighteenth aspect of the invention, it is preferable that "image information is continuously written in a finite-length storage area, and when writing reaches the end of the storage area, the storage area returns to the beginning of the storage area and overwrite is performed. A plurality of transmission paths or a plurality of virtual paths logically multiplexed on a single transmission path, the apparatus comprising an image information generating apparatus having a continuous real-time image information generation source. Using the transmission path, the generated image information is sequentially divided into the number of transmission paths in an arbitrary unit, a code for identifying the image information generation order is added to the generated image information, and the generated image information is transmitted to each transmission path. An information equipment control system, characterized in that: ].

The invention described in claim 19 is based on "claim 17
2. The information equipment control system according to claim 1, wherein image information divided and transmitted to a plurality of transmission paths is received from each transmission path for each division unit, and original continuous image information is restored. ].

[0027] The invention described in claim 20 is based on "claim 18".
2. The information equipment control system according to claim 1, wherein image information divided and transmitted to a plurality of transmission paths is received from each transmission path for each division unit, and original continuous image information is restored. ].

The invention described in claim 21 is based on "claim 17
, Where each transmission path faces the receiving terminal,
A transmission device having a terminal-to-terminal transmission function, and when reading division unit image information for all transmission paths from an image information generation source, in a read target range of the storage area halfway from the start to completion of reading. Information device control characterized in that when overwriting occurs, the read image information is discarded, and only when the overwriting does not occur, the read image information is passed to the terminal-facing transmission function corresponding to each transmission path and transmitted. system. ].

The invention described in claim 22 is based on "claim 17
2. An information device control system according to claim 1, wherein the terminal device faces a transmitting device using a plurality of transmission paths, and has a transmitting device facing reception function corresponding to each transmission path. ].

[0030] The invention described in claim 23 is based on "claim 17".
23. A connection procedure for connecting a transmission device using a plurality of transmission lines and the terminal device according to claim 22, wherein connection requests from the terminal device are sequentially performed one by one for each transmission line, and both the transmission device and the terminal device are connected. An information equipment control system characterized in that by performing processing based on state transition, even when connection requests from a plurality of terminal devices are simultaneously concentrated on a transmission device, a connection is established while avoiding cross-connection of a transmission line. . 』
It is.

[0031] The invention described in claim 24 is based on "claim 17".
23. A connection procedure for connecting a transmission device using a plurality of transmission lines and the terminal device according to claim 22, wherein a connection request from the terminal device is made at the same time on a plurality of transmission lines, and the transmission device side establishes an opposite terminal device for each transmission line. An information device control system characterized in that, even if connection requests from a plurality of terminal devices are simultaneously concentrated on a transmission device, a connection is avoided by avoiding cross-connection of a transmission line. ].

The invention described in claim 25 is based on "claim 17
A transmission device having a terminal-facing transmission function facing a receiving terminal device for each transmission path, wherein each terminal-facing transmission function waits for temporarily storing read image information from an image information generation source. If the queue length reaches an arbitrary set boundary value and the image information transmission throughput is deemed to be reduced, the other terminal-facing transmission function reduces the transmission speed to reduce the transmission speed. An information device control system, wherein the transmission speed of the terminal-facing transmission function is increased. ].

[0033] The invention described in claim 26 is based on "claim 17".
, Where each transmission path faces a terminal device,
A transmission device having an end-to-end transmission function, wherein each terminal-to-terminal transmission function has a queue for temporarily storing image information read from an image information source, and reads image information from the queue to transmit a transmission path. If it is sent to the terminal, the date and time are recorded as management information, and if the terminal-facing transmission function falls into an error state in which self-recovery is impossible, the error status is determined by the elapsed time from the last transmission time. An information device control system characterized in that it is possible to determine whether or not the terminal-side transmission function has recovered or restarted from an error state by another function inside or outside the transmission device. ].

[0034] The invention described in claim 27 is based on "claim 17".
, Where each transmission path faces a terminal device,
A transmission device having a terminal-facing transmission function, wherein each terminal-facing transmission function has a queue for temporarily storing read image information from an image information generation source, and a total transmission path from the image information generation source. After reading the division unit image information of the above, before writing each division unit image information to the queue of each terminal transmission function, make sure that each queue length of all terminal transmission functions is equal to or less than an arbitrary set boundary value. If the queue length exceeds the set boundary value in one or more terminal-to-terminal transmission functions, the read unit image information of all read transmission lines is discarded, and Only when the queue length of the terminal-to-terminal transmission function is equal to or less than the set boundary value, the divided unit image information for all the read transmission paths is written to each queue without writing to the queue. Information machine Control system. ].

According to the seventeenth to twenty-seventh aspects of the present invention, image information is continuously written in the finite length storage area, and when the writing reaches the end of the storage area, An image information generating apparatus having a continuous real-time image information generating source for performing overwrite at the beginning and logically multiplexing on a plurality of transmission lines or a single transmission line in which loss of image information and order are guaranteed. Using a plurality of virtual transmission paths, the generated image information is only sequentially divided into the number of transmission paths in an arbitrary unit, without adding any additional control information to the generated image information. The generated image information is sequentially and arbitrarily transmitted to a transmission path, or by using a plurality of transmission paths in which image information loss and order are guaranteed or a plurality of virtual transmission paths logically multiplexed on one transmission path. In units of The image data is divided into the number of paths, and the generated image information is added with code information for identifying the order of generating the image information and transmitted to each transmission path. The image can be displayed on a plurality of display devices, the recorded image can be displayed, or the image information can be divided and displayed at the same time. Remote monitoring becomes possible.

[0036]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of the information equipment control system according to the present invention will be described, but the present invention is not limited to this embodiment.

FIG. 1 is a configuration diagram of a monitoring system including the information equipment control system of the present invention. The monitoring system of this embodiment is used for monitoring a process operation camera, and a plurality of digital cameras 1 are arranged at, for example, a factory entrance, each process, and the like. Each digital camera 1 has a server device 2
Are connected correspondingly, and each server device 2 is connected to the video monitoring system run 3. This video surveillance run 3
Are connected to a control system run 4, and a terminal device 5 as a client is connected to the control system run 4 to monitor each process.

The control run 4 includes a process management server 7.
An information run 8 is connected to the process management server 7, and a display device 9 is connected to the process management server 7 to display management information and perform production management.

The display of the terminal device 5 as a client is as follows:
Latest image display of 5 or more screens / sec, latest image division display of 4 screens for each group, image information storage from the latest image per digital camera for 5 minutes, file compression after 5 minutes recording, process management Transfer to server.

As described above, the surveillance system performs remote monitoring by a network including a plurality of digital cameras 1 and a server device 2. A plurality of terminal devices 5 are connected on the network, and the latest image display and recorded image display are performed. Different operations such as display can be individually performed, and a single terminal device 5 can remotely monitor a plurality of monitoring systems.

Next, an information equipment control system provided in the monitoring system will be described.

First, the embodiment shown in FIGS. 2 to 12 will be described.

In the information device control system, as shown in FIG. 2, a server device 2 is provided with an image information generation device 10 as a JPEG server and an image information distribution device 11 as a web server. The image information generation device 10 transmits the image information generated under the control of the image information distribution device 11 to the terminal device 5 in response to a request from the terminal device 5 as a client. A request / response information disclosure mechanism is provided. In this embodiment, prior to transmission / reception of image information, a plurality of image information names, for example, Livi0jpg to Livi9jpg
Is defined between the image information generating device 10 and the terminal device 5, and the image image information from the digital camera 1 is repeatedly written in Live0jpg to Live9jpg. The image information generation device 10 updates the image information using the image information name that the image information distribution device 11 is not using for transmission, or the image information distribution device 11 performs image information update that the image information generation device 10 is not using for update. This is a distribution image information updating method for transmitting image information using a name.

In the embodiment shown in FIG. 3, when the image information generating device 10 attempts to transmit the image information name being used for updating to the terminal device 5 by using the image information distribution device 11, that is, when writing is performed, If you read and compete,
This is a control method related to the distribution image information updating method which responds to the terminal device 5 that transmission is impossible and gives the opportunity for the terminal device 5 to request image information again. When the terminal device 5 requests image information again, the embodiment shown in FIG. 4 makes a request using an image information name different from the image information name at the time of the previous request, and the embodiment shown in FIG. Is an image information selection control method related to a distribution image information update method in which a request is made using the same image information name as the image information name at the time of the previous request after an arbitrary waiting time.

In the embodiment shown in FIG. 6, when the image information generating device 10 attempts to transmit the image information name being used for updating to the terminal device 5 by using the image information distribution device 11, Is a control method related to the distribution image information updating method that passively notifies that transmission is impossible with no response and gives the opportunity for the terminal device 5 to request image information again. When the terminal device 5 determines that the request has failed after an arbitrary waiting time and requests image information again,
The embodiment shown in FIG. 7 makes a request using an image information name different from the image information name at the time of the previous request, and the embodiment shown in FIG. This is an image information selection control method related to a distribution image information update method that makes a request by using.

In the embodiment shown in FIG. 9, after the image information generation device 10 transmits an image information name not being used for updating to the terminal device 5 using the image information distribution device 11, the terminal device 5 This is an image information selection control method related to a distribution image information update method in which a request is made using an image information name different from the image information name at the time of the previous request when the image information is requested.

In the embodiment shown in FIG. 10, image information names that are not being used for updating by the image information
After transmitting to the terminal device 5 using the image information distribution device 11, the terminal device 5 makes a request for the next image information request, after an arbitrary waiting time, using the same image information name as that of the previous request. This is an image information selection control method related to a distribution image information update method that performs the following.

Further, in the embodiment shown in FIG. 11, when the image information generating device 10 attempts to update the image information name being used for transmission by the image information distribution device 11,
This is a control method related to a distribution image information updating method in which updating is attempted again using an image information name different from the image information name.

In the embodiment shown in FIG. 12, when the image information generating device 10 attempts to update the image information name being used for transmission by the image information distribution device 11, an arbitrary waiting time elapses. This is a control method related to a distribution image information updating method in which updating is attempted again using the same image information name as the image information name.

As described above, in the embodiment shown in FIGS. 1 to 12, a plurality of image information names are previously determined between the image information generating device 10 and the terminal device 5 before transmitting and receiving the image information. The generation device 10 is an image information distribution device 1
1 updates image information using an image information name that is not used for transmission, or the image information distribution device 11 transmits image information using an image information name that the image information generation device 10 is not using for update. , The image information can be transmitted quickly and reliably, the image information can be displayed on a plurality of display devices, the recorded image can be displayed, or the image information can be divided and displayed at the same time. The time required for the processing is reduced, the image is displayed quickly, and sufficient remote monitoring becomes possible.

Next, the embodiment shown in FIGS. 13 to 23 will be described.

In the embodiment shown in FIG. 13, image information generated by the image information generating device 10 under the control of the image information distributing device 11 is transmitted to the terminal device 5 by a request from the terminal device 5. A request / response information disclosure mechanism to be transmitted to the device 5 is provided. Prior to the transmission and reception of the image information, a plurality of image information names are previously determined between the image information generating device 10 and the image information distribution device 11, and the terminal device 5 uses the generic name of the plurality of image information names to transmit the image information. And the image information distribution device 11 transmits image information using an image information name that the image information generation device 10 is not using for updating, or the image information generation device 10 uses the image information distribution device 11 for transmission. This is a distribution image information updating method for updating image information using an image information name that is not in the middle.

In the embodiment shown in FIG. 14, when the image information generating device 10 attempts to transmit the image information name being used for updating to the terminal device 5 by using the image information distributing device 11, the transmission is disabled. This is a control method related to the distribution image information updating method that responds to the terminal device and gives the opportunity for the terminal device to request the image information again. When the terminal device 5 requests image information again, the embodiment shown in FIG. 15 is an image information selection control method related to a distribution image information update method in which a request is made using a generic name of a plurality of image information names.

In the embodiment shown in FIG. 16, when the image information generating device 10 attempts to transmit the image information name being used for updating to the terminal device 5 by the image information distribution device 11, Is a control method related to the distribution image information update method that passively notifies that transmission is impossible with no response and gives the terminal device 5 an opportunity to request image information again. When the terminal device 5 determines that the request has failed after an arbitrary waiting time and requests image information again,
The embodiment shown in FIG. 17 is an image information selection control method related to a distribution image information update method for making a request using a generic name of a plurality of image information names.

In the embodiment shown in FIG. 18, when the image information generating device 10 attempts to transmit the image information name being used for updating to the terminal device 5 using the image information This is an image information selection control method related to a distribution image information update method in which transmission is attempted using an image information name different from the image information name.

In the embodiment shown in FIG. 19, when the image information generating device 10 attempts to transmit the image information name being used for updating to the terminal device 5 using the image information distribution device 11 and the transmission is not possible. This is an image information selection control method related to a distribution image information update method in which transmission is attempted using the same image information name after a certain waiting time.

Further, in the embodiment shown in FIG. 20, after the image information generation device 10 transmits an image information name not being used for updating to the terminal device 5 by using the image information distribution device 11, Makes a request using the generic name of a plurality of image information names at the time of the next image information request, and upon receiving the request, the image information distribution device 11 performs transmission using an image information name different from the image information name at the time of previous transmission. This is an image information selection control method related to the distribution image information update method.

In the embodiment shown in FIG. 21, after the image information generation device 10 transmits an image information name not being used for updating to the terminal device 5 by using the image information distribution device 11,
The terminal device 5 makes a request using the generic name of a plurality of image information names at the time of the next image information request, and upon receiving the request, the image information distribution device 11 transmits the image information name at the time of the previous transmission after an arbitrary waiting time. This is an image information selection control method related to a distribution image information update method of performing transmission using the same image information name as that described above.

In the embodiment shown in FIG. 22, the terminal device 5 makes a request using a generic name of a plurality of image information names, and upon receiving the request, the image information distribution device 11 sends update date and time information attached to the image information. This is an image information selection control method related to a distribution image information update method in which the last updated image information is specified and transmission to the terminal device 5 is attempted using the image information name.

In the embodiment shown in FIG. 23, the image information generation device 10 notifies the image information distribution device 11 of the updated image information name or information necessary for specifying the same, in accordance with the update of the image information. When the terminal device 5 makes a request using a generic name of a plurality of image information names, the image information distribution device 11 that has received the request has been updated last based on the information obtained from the image information generation device 10. This is an image information selection control method related to a distribution image information update method in which image information is specified and transmission to the terminal device 5 is attempted using the image information name.

In the embodiments shown in FIGS. 13 to 23,
Prior to transmission and reception of image information, a plurality of image information names are determined between the image information generation device 10 and the image information distribution device 11 in advance. The terminal device 5 requests image information using a generic name of a plurality of image information names, and the image information distribution device 1
1 transmits image information using an image information name that is not being used for updating by the image information generating apparatus 10, or the image information generating apparatus 10 uses an image information name that is not being used for transmission by the image information distribution apparatus 11. Since the image information is updated, the image information can be transmitted quickly and reliably, and the image image information can be displayed on a plurality of display devices, the recorded image can be displayed, or the image image information can be divided and displayed simultaneously. In addition, the time required for processing the image information can be reduced, the image can be displayed quickly, and sufficient remote monitoring can be performed.

Next, the embodiment shown in FIGS. 24 to 36 will be described.

In the embodiment shown in FIG. 24, image information is continuously written in a finite-length storage area, and when writing reaches the end of the storage area, the image returns to the top of the storage area to perform overwriting. , A plurality of transmission paths or a plurality of virtual transmissions logically multiplexed on one transmission path, the image information generation apparatus 20 having a continuous real-time image information generation source, wherein lossless image information and order are guaranteed. Using the path 21, the generated image information is only sequentially divided into the number of transmission paths in an arbitrary unit, and is transmitted to each transmission path without adding any additional control information to the generated image information. This is a method for generating and transmitting continuous real-time image information.

In the embodiment shown in FIG. 25, image information is continuously written in the finite length storage area, and when writing reaches the end of the storage area, the image information is returned to the top of the storage area and overwritten. , A plurality of transmission paths or a plurality of virtual transmissions logically multiplexed on one transmission path, the image information generation apparatus 20 having a continuous real-time image information generation source, wherein lossless image information and order are guaranteed. The generated image information is sequentially divided into the number of transmission paths in an arbitrary unit using the path 21, and code information for identifying an image information generation order is added to the generated image information and transmitted to each transmission path. This is a method for generating and transmitting continuous real-time image information. The image information divided into a plurality of transmission paths and transmitted as described above is shown in FIG.
In the continuous real-time image information receiving method according to the sixth embodiment, the continuous image information is received from each transmission line for each division unit to restore the original continuous image information.

The embodiment shown in FIG. 27 is a transmitting apparatus 30 having a terminal-facing transmission function 40, which faces a receiving terminal for each transmission path, and divides all transmission paths from an image information source. At the time of reading the unit image information, during the period from the start to the completion of the reading, if overwriting occurs in the reading target range of the storage area, the read image information is discarded, and only when the overwriting does not occur,
This is a continuous real-time image information transmission method in which read image information is transferred to a terminal-facing transmission function corresponding to each transmission path and transmitted.

The embodiment shown in FIG. 28 is a terminal device 31 facing a transmitting device 30 using a plurality of transmission paths, and has a continuous real-time image information having a transmitting device facing reception function 41 corresponding to each transmission line. This is a receiving method.

The embodiment shown in FIG. 29 is a connection procedure for connecting a transmission device 30 using a plurality of transmission paths shown in FIG. 24 and a terminal device 31 shown in FIG. By performing the processing one by one for each transmission path and processing based on the state transition of both the transmission apparatus 30 and the terminal apparatus 31, even when connection requests from a plurality of terminal apparatuses 31 are concentrated on the transmission apparatus 30 at the same time, the transmission path This is a multiple transmission path communication connection system that establishes a connection while avoiding the crosstalk connection.

The embodiment of FIG. 30 is a connection procedure for connecting the transmitting device 30 using a plurality of transmission paths shown in FIG. 24 and the terminal device 31 shown in FIG. This is performed simultaneously with the transmission path, and the transmitting apparatus manages the opposing terminal apparatus for each transmission path.
This is a multiple-transmission-path communication connection method in which, even when connection requests are concentrated from a plurality of terminal devices 31 at the same time, connection is established while avoiding cross-connection of transmission paths.

The embodiment shown in FIG. 31 is a transmitting device 30 having a terminal-facing transmission function 40 which faces a receiving terminal device for each transmission path. Has a queue 42 for temporarily storing the read image information, and when it is recognized that the queue length reaches an arbitrary set boundary value and the image information transmission throughput is reduced, another terminal-facing transmission function At 40,
This is a continuous real-time image information transmission flow control system in which the transmission speed of the terminal-facing transmission function 40 is relatively increased by lowering the transmission speed.

The embodiment shown in FIG. 32 is a terminal device 31 shown in FIG. 28, in which each transmitter-side receiving function 41 has a queue 43 for temporarily storing image information received from a transmission line. If the matrix length reaches an arbitrary set boundary value and it is recognized that the image information receiving throughput has been reduced, the other transmitting apparatus opposed receiving function 41 lowers the receiving speed to relatively reduce the transmitting apparatus. This is a continuous real-time image information reception flow control method for improving the reception speed of the opposite reception function 41.

The embodiment shown in FIG. 33 is a transmitting device 30 having an end-to-end non-facing transmission function 40 which faces a terminal device for each transmission line. Has a queue 42 for temporarily storing image information read from the terminal, and when the image information is read out from the queue 42 and sent out to the transmission line, the date and time are recorded as management information. Even when the remote transmission function 40 falls into an error state in which self-recovery cannot be performed,
Image information that makes it possible to determine whether or not an error state has occurred based on the elapsed time from the last transmission time, and that the terminal-facing transmission function 40 can be returned from the error state or restarted by another function inside or outside the transmission device 30 This is a transmission control method.

The embodiment shown in FIG. 34 is a terminal device 31 shown in FIG. 28, in which each transmitter-side receiving function 41 has a queue 43 for temporarily storing image information received from a transmission line. When the image information is received from the road and written in the queue 43, the date and time are recorded as management information, and if the transmitting apparatus opposed reception function 41 falls into an error state where it cannot recover from itself, Also, it is possible to determine whether or not the error state by the elapsed time from the last reception time,
This is an image information reception control method that enables the transmission device opposite reception function 41 to recover from an error state or restart by another function inside or outside the terminal device 31.

The embodiment shown in FIG. 35 is a transmitting apparatus 30 having a terminal-facing transmission function 40 which faces a terminal apparatus for each transmission path. Has a queue 42 for temporarily accumulating the read image information, and after reading the divided unit image information for all the transmission paths from the image information generation source, the divided unit image information is Prior to writing to the queue 42, each queue length of the all terminal-facing transmission function 40 is
It is confirmed that the value is equal to or less than an arbitrary set boundary value. If the queue length exceeds the set boundary value in one or more terminal-facing transmission functions 40, the total number of read transmission lines The division unit image information is not discarded and is not written to all the queues 42. Only when the length of each queue of the all terminal-to-terminal transmission function 40 is equal to or less than the set boundary value, the division unit for all the read transmission lines. Image information is stored in each queue 4
2 is a phase synchronization method between transmission paths on the transmission side for writing data to the transmission line 2.

The embodiment shown in FIG. 36 is a terminal device 31 shown in FIG. 28, in which each transmitting device opposing receiving function 41 includes a queue 43 for temporarily storing image information received from a transmission path, 43, a counting function for discarding received image information without writing the received image information to the transmission device 43. The maximum value,
The received image information discarded amount in the queue 43 is compared. If the received image information discarded amount in the queue 43 is smaller, the received image information is discarded and the queue 4 is discarded.
3, the received image information is written to the queue 43 only when it is equal to the maximum value, so that the discarded amount of the received image information in the queue 42 in each transmitting apparatus opposed reception function 41 tends to match. And the receiving side transmission line phase synchronization method.

In the embodiments shown in FIGS. 24 to 36,
Image information is continuously written in the finite-length storage area, and when writing reaches the end of the storage area, a continuous real-time image information source that returns to the top of the storage area and performs overwriting is set. Using a plurality of transmission paths or a plurality of virtual transmission paths logically multiplexed on one transmission path, comprising an image information generation apparatus having Only by dividing into the number of transmission paths in an arbitrary unit, without sending any additional control information to the generated image information, send to each transmission path,
Alternatively, the generated image information is sequentially transmitted in arbitrary units using a plurality of transmission paths in which image information loss and order are guaranteed or a plurality of virtual transmission paths logically multiplexed on one transmission path. It divides the image information into pieces, adds code information for identifying the order of generating image information to the generated image information, and sends the generated image information to each transmission path. To display images on a display device,
The recorded image can be displayed or the image information can be divided and displayed at the same time. In addition, the time required for processing the image information can be shortened, the image can be displayed quickly, and sufficient remote monitoring can be performed.

[0076]

As described above, claims 1 to 7 are as described above.
In the invention described in (1), prior to transmission and reception of image information, a plurality of image information names are determined between the image information generation device and the terminal device, and the image information generation device is not using the image information distribution device for transmission. The image information is updated using the image information name, or the image information distribution device transmits the image information using the image information name that the image information generation device is not using for the update, so that the image information can be quickly and reliably transmitted. It can transmit, display image information on multiple display devices, display recorded images, or display image information at the same time, and reduce the time required to process image information. The display is quick and sufficient remote monitoring is possible.

According to the present invention, a plurality of image information names are previously determined between the image information generating apparatus and the image information distribution apparatus before transmitting / receiving the image information, and Requests image information using a generic name of a plurality of image information names, and the image information distribution device transmits image information using image information names that are not being used by the image information generation device for updating, or the image information generation device Since the image information distribution device updates the image information using the image information name that is not being used for transmission, it performs quick and reliable transmission of the image information, and displays the image image information on a plurality of display devices, Recorded images can be displayed or image image information can be displayed separately at the same time. In addition, the time required for processing image image information is shortened, and image display is quick and sufficient remote monitoring is possible. That.

According to the seventeenth to twenty-seventh aspects, image information is written continuously in a finite length storage area, and when writing reaches the end of the storage area,
A plurality of transmission paths or a single transmission provided with an image information generation device having a continuous real-time image information generation source for performing overwriting by returning to the top of the storage area, wherein image information loss and order are guaranteed. Using a plurality of virtual transmission lines logically multiplexed on the road, the generated image information is simply divided into the number of transmission lines in an arbitrary unit, and any additional control information is added to the generated image information. The generated image information is transmitted to each transmission path without using a plurality of transmission paths or a plurality of virtual transmission paths logically multiplexed on one transmission path, or lossless and sequenced image information is transmitted. , Is sequentially divided into the number of transmission paths in an arbitrary unit, and code information for identifying the image information generation order is added to the generated image information and transmitted to each transmission path. And send the image The image can be displayed on a plurality of display devices, the recorded image can be displayed, or the image information can be divided and displayed at the same time. Remote monitoring becomes possible.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a monitoring system.

FIG. 2 is a diagram illustrating a distribution image information updating method.

FIG. 3 is a diagram illustrating a control method related to a distribution image information update method.

FIG. 4 is a diagram illustrating an image information selection control method related to a distribution image information update method.

FIG. 5 is a diagram showing an image information selection control method related to a distribution image information update method.

FIG. 6 is a diagram showing a control method related to a distribution image information updating method.

FIG. 7 is a diagram illustrating an image information selection control method related to a distribution image information update method.

FIG. 8 is a diagram showing an image information selection control method related to a distribution image information update method.

FIG. 9 is a diagram showing an image information selection control method related to a distribution image information update method.

FIG. 10 is a diagram illustrating an image information selection control method related to a distribution image information update method.

FIG. 11 is a diagram showing a control method related to a distribution image information update method.

FIG. 12 is a diagram illustrating a control method related to a distribution image information updating method.

FIG. 13 is a diagram showing a distribution image information updating method.

FIG. 14 is a diagram illustrating a control method related to a distribution image information update method.

FIG. 15 is a diagram illustrating an image information selection control method related to a distribution image information update method.

FIG. 16 is a diagram illustrating a control method related to a distribution image information update method.

FIG. 17 is a diagram illustrating an image information selection control method related to a distribution image information update method.

FIG. 18 is a diagram illustrating an image information selection control method related to a distribution image information update method.

FIG. 19 is a diagram illustrating an image information selection control method related to a distribution image information update method.

FIG. 20 is a diagram illustrating an image information selection control method related to a distribution image information update method.

FIG. 21 is a diagram illustrating an image information selection control method related to a distribution image information update method.

FIG. 22 is a diagram showing an image information selection control method related to a distribution image information update method.

FIG. 23 is a diagram illustrating an image information selection control method related to a distribution image information update method.

FIG. 24 is a diagram illustrating a method of generating and transmitting continuous real-time image information.

FIG. 25 is a diagram illustrating a method of generating and transmitting continuous real-time image information.

FIG. 26 is a diagram illustrating a continuous real-time image information receiving method.

FIG. 27 is a diagram showing a continuous real-time image information transmission method.

FIG. 28 is a diagram illustrating a continuous real-time image information receiving method.

FIG. 29 is a diagram showing a multiple transmission path communication connection system.

FIG. 30 is a diagram showing a multiple transmission path communication connection system.

FIG. 31 is a diagram showing a continuous real-time image information transmission flow control method.

FIG. 32 is a diagram showing a continuous real-time image information reception flow control method.

FIG. 33 is a diagram illustrating an image information transmission control method.

FIG. 34 is a diagram illustrating an image information reception control method.

FIG. 35 is a diagram illustrating a phase synchronization scheme between transmission-side transmission paths.

FIG. 36 is a diagram illustrating a phase synchronization method between transmission paths on the reception side.

[Explanation of symbols]

 5 terminal device 10 image information generation device 11 image information distribution device

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Yasuharu Kogii 2-14-2 Asano, Kokura-ku, Kitakyushu-shi, Fukuoka 9th floor of Kokura Kosan Building No. 16, F-term (reference) 5C064 AA06 AC04 AC07 AC12 AC02 AD02 AD06 AD16

Claims (27)

[Claims] 1. A request / response in which an image information generation device transmits image information generated under the control of the image information distribution device to the terminal device in response to a request from the terminal device. Before and after transmitting and receiving image information, a plurality of image information names are determined between the image information generating device and the terminal device, and the image information generating device is used for transmission by the image information distributing device. An information device for updating image information using an image information name that is not in use, or an image information distribution device that transmits image information using an image information name that is not being used by the image information generation device for updating Control system. 2. The terminal device according to claim 1, wherein when the image information generating device attempts to transmit the image information name being used for updating by the image information generating device to the terminal device, the image information cannot be transmitted. An information equipment control system characterized by giving a response to the terminal device and giving an opportunity for the terminal device to request image information again. 3. The terminal according to claim 1, wherein when the image information generating device attempts to transmit the image information name being used for updating to the terminal device by using the image information distribution device, the terminal device has no response. An information equipment control system characterized in that the terminal device passively notifies that transmission is impossible and gives the terminal device an opportunity to request image information again. 4. The image information generating device according to claim 1, wherein the image information generating device transmits the image information name not being used for updating to the terminal device by using the image information distributing device. An information device control system wherein a request is made using an image information name different from the image information name at the time. 5. The image information generating apparatus according to claim 1, wherein the image information generating apparatus transmits the image information name not being used for updating to the terminal apparatus by using the image information distributing apparatus. An information device control system for making a request using the same image information name as the image information name at the time of the previous request after a waiting time of (i). 6. An image information generating apparatus according to claim 1, wherein the image information generating apparatus uses an image information name which is different from the image information name used for transmission. An information device control system characterized by trying to update again. 7. An image information generating apparatus according to claim 1, wherein when the image information generating apparatus attempts to update the image information name being used for transmission by the image information generating apparatus, the image information is passed after an arbitrary waiting time. An information device control system characterized in that an update is attempted again using the same image information name as the name. 8. A request / response method in which the image information generated by the image information generating device under the control of the image information distributing device is transmitted to the terminal device by a request from the terminal device. An information disclosure mechanism is provided, and prior to transmission and reception of image information, a plurality of image information names are negotiated between the image information generation device and the image information distribution device, and the terminal device uses a generic name of the plurality of image information names. Requesting image information, and the image information distribution device transmits image information using an image information name that the image information generation device is not using for updating, or the image information generation device is using the image information distribution device for transmission. An information device control system characterized in that image information is updated using an image information name that is not the same. 9. The terminal device according to claim 8, wherein when the image information generating device attempts to transmit the image information name being used for updating by the image information generating device to the terminal device, the image information cannot be transmitted. An information device control system characterized in that the terminal device gives an opportunity to request image information again by responding to the request. 10. The image information generating apparatus according to claim 8, wherein when the image information distribution apparatus attempts to transmit the image information name being used for updating to the terminal apparatus, the image information generating apparatus deactivates the terminal apparatus without response. An information device control system, wherein the terminal device notifies the terminal device that transmission is impossible, and gives the terminal device an opportunity to request image information again. 11. The image information generating device according to claim 8, wherein when the image information generating device attempts to transmit the image information name being used for updating to the terminal device and cannot transmit the image information name, the image information name is An information device control system characterized in that transmission is attempted using different image information names. 12. An image information distribution device according to claim 8, wherein the image information distribution device uses the image information distribution device to transmit the image information name to the terminal device, and when the transmission is impossible, an arbitrary waiting time has passed. An information device control system characterized in that transmission is attempted using the same image information name as the image information name. 13. The image information generating apparatus according to claim 8, wherein the image information generating apparatus transmits the image information name which is not being used for updating to the terminal apparatus by using the image information distributing apparatus. An information device control system, wherein a request is made using the generic name of the image information names of the above, and the image information distribution device that has received the request performs transmission using an image information name different from the image information name at the time of previous transmission. . 14. The image information generating device according to claim 8, wherein the image information generating device transmits the image information name not being used for updating to the terminal device by using the image information distributing device. Request using the generic name of the image information name of the above, the image information distribution device that has received the request, after an arbitrary waiting time, transmits using the same image information name as the image information name of the previous transmission An information equipment control system characterized by the following. 15. A terminal device according to claim 8, wherein the terminal device makes a request using a generic name of a plurality of image information names, and upon receiving the request, the image information distribution device makes a request based on update date and time information attached to the image information. An information device control system, characterized by identifying the last updated image information and attempting to transmit to the terminal device using the image information name. 16. An image information generating apparatus according to claim 8, wherein the image information generating apparatus notifies the image information distribution apparatus of the updated image information name or information necessary to specify the updated image information name along with the update of the image information. When a request is made using the generic name of the image information name, the image information distribution device that has received the request specifies the last updated image information based on the information obtained from the image information generation device, and An information device control system characterized in that transmission is attempted to a terminal device using an image information name. 17. A continuous real-time method in which image information is continuously written in a finite-length storage area, and when writing reaches the end of the storage area, the write-back operation returns to the top of the storage area to perform overwriting. An image information generation apparatus having an image information generation source, and using a plurality of transmission paths or a plurality of virtual transmission paths logically multiplexed on one transmission path, the loss of image information and the order of which are guaranteed. Information,
An information equipment control system characterized in that the information is transmitted to each transmission line without dividing the generated image information into the generated image information by simply dividing the transmission image into the number of transmission lines in an arbitrary unit. 18. A continuous real-time system in which image information is continuously written in a finite-length storage area, and when writing reaches the end of the storage area, the write-back operation returns to the head of the storage area to perform overwriting. An image information generation apparatus having an image information generation source, and using a plurality of transmission paths or a plurality of virtual transmission paths logically multiplexed on one transmission path, the loss of image information and the order of which are guaranteed. Information,
An information device control system, wherein the information is divided into arbitrary units for the number of transmission paths, a code for identifying an image information generation order is added to generated image information, and the generated image information is transmitted to each transmission path. 19. The image processing method according to claim 17, wherein image information divided and transmitted to a plurality of transmission paths is received from each transmission path for each division unit, and original continuous image information is restored. Information equipment control system. 20. An image processing method according to claim 18, wherein image information divided and transmitted to a plurality of transmission paths is received from each transmission path for each division unit, and original continuous image information is restored. Information equipment control system. 21. A transmission device having a terminal-facing transmission function according to claim 17, wherein said transmission device faces a receiving terminal for each transmission line, wherein said divided unit image information corresponds to all transmission lines from an image information generation source. In the case of reading, if overwriting occurs in the reading range of the storage area in the middle between the start and completion of reading, the read image information is discarded, and only when the overwriting does not occur, the read image information An information device control system characterized in that the information is transmitted to a terminal-facing transmission function corresponding to each transmission path and transmitted. 22. An information equipment control system according to claim 17, wherein said terminal equipment faces a transmitter using a plurality of transmission paths, and has a transmission apparatus opposite reception function corresponding to each transmission path. 23. A connection procedure for connecting a transmission apparatus using a plurality of transmission paths according to claim 17 and a terminal apparatus according to claim 22, wherein connection requests from the terminal apparatus are sequentially performed one by one for each transmission path. By performing processing based on state transitions of both the transmitting device and the terminal device, even when connection requests from a plurality of terminal devices are concentrated on the transmitting device at the same time, it is possible to avoid cross-connection of the transmission path and establish a connection. An information equipment control system characterized by the following. 24. A connection procedure for connecting a transmission device using a plurality of transmission lines according to claim 17 and a terminal device according to claim 22, wherein a connection request from the terminal device is made simultaneously on the plurality of transmission lines, and the transmission device side By managing the opposing terminal devices for each transmission path, even if connection requests from a plurality of terminal apparatuses are concentrated on the transmission apparatus at the same time, cross connection of the transmission path is avoided and the connection is established. Information equipment control system. 25. A transmitting apparatus according to claim 17, wherein said transmitting apparatus has a terminal-facing transmitting function, said transmitting apparatus facing a receiving terminal apparatus for each transmission path, wherein each terminal-facing transmitting function reads an image read from an image information generating source. If a queue for temporarily storing information is provided, and the queue length reaches an arbitrary set boundary value and it is recognized that the image information transmission throughput has been reduced, the transmission speed of the other terminal-facing transmission function is reduced. An information device control system characterized in that the transmission speed of the terminal-facing transmission function is relatively increased by lowering the transmission speed. 26. A transmitting device according to claim 17, wherein said transmitting device has a non-end-to-end transmission function facing each terminal for each transmission path, wherein each terminal-to-terminal transmission function reads an image read from an image information generation source. It has a queue for temporarily storing information, and when image information is read from the queue and sent out to the transmission line, the date and time are recorded as management information. Even in the case of an unrecoverable error state, it is possible to determine whether or not the error state is based on the elapsed time from the last transmission time, and the internal or external function of the transmitting device is used to change the error state of the terminal-facing transmission function. An information equipment control system capable of returning or restarting. 27. A transmitting apparatus according to claim 17, wherein said transmitting apparatus has a terminal-facing transmission function, wherein said terminal-facing transmission function faces each of said transmission paths, wherein each terminal-facing transmission function reads image information from an image information generation source. After reading the divided unit image information for all the transmission paths from the image information source, before writing each divided unit image information to the queue of the terminal-to-terminal transmission function, It was confirmed that each queue length of all terminal-facing transmission functions was equal to or less than an arbitrary set boundary value, and that the queue length exceeded the set boundary value in one or more terminal-facing transmission functions. In this case, the divided unit image information of all the read transmission lines is discarded, and is not written to all the queues.Only when each queue length of the all-terminal-facing transmission function is equal to or less than the set boundary value, Read The division unit image information of the transmission path component,
An information device control system for writing to each queue.