JPH04315217A - Cd-rom library control system - Google Patents

Abstract

(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention]

0001

[Industrial Application Field] The present invention is applicable to CD-ROM (Com
pact Disc-Read Only Memo
The present invention relates to a method for implementing a search device for ry), and particularly to a control method that enables access management and remote use of a plurality of CD-ROMs.

0002

2. Description of the Related Art A CD-ROM is a read-only recording medium that can provide a large amount of information widely and at low cost.Currently, a large number of CD-ROMs are being supplied, and the number is expected to increase in the future. (“Sanseido Catalog “Model Six Laws CD-RO
When using this CD-ROM, there are two ways to use this CD-ROM: one is to use a dedicated CD-ROM search device, and the other is to connect a CD-ROM drive device to a computer, such as a personal computer, and read out the information on the CD-ROM. There is a method using a program.

[0003] When using information on a CD-ROM, the user first selects the CD-ROM that stores the desired information from the CD-ROM storage location, and then inserts it into the CD-ROM.
Insert into M search device or CD-ROM drive device. Next, select and start the CD-ROM search device or computer search program, input the search code to search for the desired information, and display/print the desired information on the output device to obtain the desired information. .

0004

[Problem to be solved by the invention] The conventional CD mentioned above
- There are the following issues when using ROM.

[0005] The information provided on the CD-ROM includes:
Some CD-ROMs are composed of multiple CD-ROMs, some of which have more than 100 discs, and it is necessary to replace the CD-ROMs many times in order to obtain the necessary information from among them. be.

Although computer CD-ROM search programs can be commonly used due to the standardization of the CD-ROM logical format, there are many programs with uniquely expanded functions.
To use a functional extension, the user must select a search program that corresponds to it.

[0007] When there are multiple users of a CD-ROM, the number of users who can use the CD-ROM at the same time is limited to the number of devices that can search the CD-ROM, and the number of users who can use the information on the same CD-ROM at the same time is limited to the number of devices that can search the CD-ROM. is limited to the number of CD-ROMs.

[0008] Since the CD-ROM user directly handles the CD-ROM, there is a risk of damage, loss, or theft due to handling of the CD-ROM.

[0009] If there is a CD-ROM in a remote location,
Either the ROM must be sent or the user must go to a location where the CD-ROM is located.

[0010] Furthermore, as a means of solving the above problem,
If you adopt the method of requesting the CD-ROM administrator to use the CD-ROM, (1) procedures for requesting the administrator are required, and (2) procedures in case the administrator is absent. (3) It is difficult to ensure responsiveness in obtaining information from CD-ROMs.

[0011] As a means of solving the above problem, when use from a remote location is realized through a communication path or the like, there is a problem of managing usage rights in order to exclude unauthorized users. Therefore, an object of the present invention is to enable users to
It is an object of the present invention to provide a CD-ROM library control method that allows information on a CD-ROM to be obtained without selecting or exchanging M or specifying a search program.

Another object of the present invention is to increase the number of CD-ROMs in response to an increase in the number of CD-ROMs and to facilitate operation and management of CD-ROMs.
The objective is to provide an OM library control method.

[0013] Still another object of the present invention is to
The object of the present invention is to provide a CD-ROM library control method that is not limited by the number of CD-ROMs or the number of devices that can search for CD-ROMs.

[0014] Still another object of the present invention is to
The object of the present invention is to provide a CD-ROM control method that reduces the burden on the operations manager and reduces the dependence on the operations manager in the operations management of the system.

[0015] Still another object of the present invention is to
A CD that can be used at hand even when the computer is located in a remote location.
- To provide a ROM control method.

[0016] Still another object of the present invention is to
An object of the present invention is to provide a control method that easily realizes the management of usage rights when using a computer from a remote location.

[0017]

[Means for Solving the Problems] In order to solve the above problems, the present invention provides a plurality of CD-ROM drive devices into which one or more CD-ROMs can be loaded, and a CD-ROM library for controlling the drive devices. CD-ROM consisting of control device
Prepare multiple library devices, e-mail devices, and terminals/computers for users. And CD-ROM
Connections are made between the library devices and between the CD-ROM library device and the user's terminal/computer using communication paths such as telephone lines, networks, and wireless communication.

[0018] The user connects to the CD-ROM library control device via the communication path from the terminal/computer, and
Specify the item to search for information on the CD-ROM. Then, it checks whether the user has usage authority, and if the user does not have the authority, the user is stopped from using the service, and if the user has the authority, the user is instructed to enter a search code or the like to obtain the required information. The input search codes are sorted by the input control unit and registered in the input queue. The registered search code is selected from the input queue by the system control unit and passed to the information control unit.
The information control section selects a search program compatible with the CD-ROM and the required CD-ROM, and then
The OM control unit reads the information on the CD-ROM and performs a search, and the result is registered in the output queue of the output control unit through the system control unit, and the search result is sent to the location specified by the user.

[0019]

[Operation] When the required information is contained in a plurality of CD-ROMs, by placing all of those CD-ROMs in the CD-ROM drive device, there is no need to replace the CD-ROMs.

[0020] Even if the user does not specify a search program corresponding to the CD-ROM, the CD-ROM library device can automatically select a search program. The number of simultaneous users of a CD-ROM is limited by the number of terminals/computers connected to the communication path.
Simultaneous users of D-ROMs are not limited by the number of CD-ROMs.

[0021] By placing the CD-ROM library device in a room isolated from users and managing the locking of that room, the risk of damage, loss, theft, etc. can be reduced.

[0022] A CD-ROM user has a CD-ROM library device, an e-mail device, an e-mail device and a terminal/
By providing a communication path between computers, it can be used anywhere.

Although a manager is required to manage the CD-ROM library device, it is not necessary to constantly monitor the CD-ROM library device.

Expansion can be achieved by newly connecting a CD-ROM library device to the communication path.

[0025] The usage authority of the CD-ROM can be easily realized by providing usage authority information of the user.

[0026]

[Embodiment] An embodiment of the present invention will be described in detail below.

FIG. 1 shows the configuration of the CD-ROM library control system of the present invention, and also shows the usage environment. FIG. 2 shows in detail the configuration of the CD-ROM library control device 107 shown in FIG. 3 shows the configuration of the input queue of the input control section 111, and FIG. 4 shows the configuration of the output queue of the output control section 112. FIG. 5 shows the storage format of CD-ROM management information in the information control section 114. 6 is a PAD diagram showing the processing procedure of the system control unit 113 in FIGS. 1 and 2, and FIG. 7 is a PAD diagram showing the processing procedure of the input control unit 111 in FIGS. 1 and 2. Figure 8 is Figure 1
, FIG. 9 is a PAD diagram showing the processing procedure of the output control section 112 of FIG. 2, FIG. 9 is a PAD diagram showing the processing procedure of the information control section of FIGS. 1 and 2, and FIG. - It is a PAD diagram showing the processing procedure of the ROM control unit 115, and FIG. 11 shows the configuration of the e-mail device 116 shown in FIG. 1 in detail. FIG. 12 shows user management information used in the e-mail device 116. Figure 13 shows C in Figure 1.
3 is a PAD diagram showing a processing procedure of a D-ROM functional unit 119. FIG. FIG. 14 shows an example of inputting a search code using the e-mail device 116.

[0028] In FIGS. 1, 2, and 11, reference numeral 10
1 is a communication path, and the CD-ROM library control device 1
07, the CD-ROM library control device 107 and the e-mail device 116, the e-mail device 116 and the terminal/computer 104, the storage device 105, and the output device 106. A broken line frame 102 indicates a room, and devices in different broken line frames indicate that they exist in different rooms. Reference numeral 103 is a CD-ROM user who inputs a search code and obtains search results. Reference numeral 104 is a terminal/computer from which the user 103 inputs a search code to obtain search results. Reference numeral 105 is a storage device,
Store search codes and search results. Reference numeral 106 is an output device that outputs the search results. Code 107 is CD-RO
The M library control device searches for the information requested by the search code from the CD-ROMs in the multiple CD-ROM drive devices 109 and outputs it as a search result, which is then sent to the management terminal 1.
08, basic control section 110, input control section 111, output control section 112, system control section 113, information control section 114,
It is composed of a CD-ROM control section 115. code 108
is a management terminal, and the CD-ROM library control device 10
Manages the startup and termination of 7, and the settings and changes of environment settings. Reference numeral 109 is a CD-ROM drive device into which one or more CD-ROMs are loaded. Reference numeral 110 denotes a basic control unit that manages basic input/output, files, memory, etc. of the CD-ROM library control device. code 11
Reference numeral 1 denotes an input control unit that performs search code input processing and input queue management. Reference numeral 112 denotes an output control unit that manages an output queue of search results and performs output processing. Reference numeral 113 is a system control unit, which is a CD-ROM library control device 1.
Responsible for overall management of 07. Reference numeral 114 is an information control unit,
Performs management and search processing of CD-ROM management information. code 1
Reference numeral 15 denotes a CD-ROM control unit that performs a process of reading information from the CD-ROM. Reference numeral 116 denotes an e-mail device, which has functions such as exchanging documents between users, inputting search codes when using a CD-ROM, and managing users. Reference numeral 117 is an e-mail control unit of the e-mail device 1.
16 overall management. A mail function section 118 executes the mail function of the e-mail device. Reference numeral 119 denotes a CD-ROM function unit, which performs checking of usage authority for using the CD-ROM and input control of search codes and the like. Reference numeral 120 denotes other functional units, including the e-mail device 116
The mail function 118 and functions other than the CD-ROM function section 119 are executed.

Next, the overall operation will be explained using FIGS. 1 to 14.

First, the CD-ROM library device is started by the person in charge of managing the CD-ROM library device.
OM library control device 107, management terminal 108, C
Turn on the power to the D-ROM drive device 109 to make it operational, and then control the system control unit 11 from the management terminal 108.
3 starts the process 601 shown in FIG. 6, and executes the process step 60.
2, the process 701 shown in FIG. 7 of the input control unit 111, the process 801 shown in FIG. 8 of the output control unit 112, the process 901 shown in FIG. 9 of the information control unit 114, and CD - Generate and start the process 1001 shown in FIG. 10 in the ROM control unit 115, and process step 70.
2, 802, 902, and 1002, the subsequent processes are repeated until the end process of process step 612 is executed, and process steps 703, 803, 903, and 1
In step 003, the process waits until a processing request is received, and in step 603, the processes of steps 604 to 611 are repeated until the end mode is input in step 604. Next, the environment setting mode is set to the mode input in processing step 604 in FIG. 6 from the management terminal 108, processing steps 610 and 611 are executed in processing step 605, and processing request in processing step 1003 in FIG. In the process step 1004, the environment setting mode is set, and in the process step 1006, the management number 503 of the library device information 502 that manages the CD-ROM library device, the presence or absence of use 504, and the CD-ROM management information shown in FIG. The management number 506 of the CD-ROM drive device information 505 that manages the ROM drive device, whether it is used or not 507, and whether the power is turned on or off.
508, CD-ROM information 5 for managing CD-ROMs
09 number 510 and whether or not to use 511, etc., and in processing step 611, the environment setting mode is set for the processing request in processing step 903 in FIG. CD
- C that manages CD-ROM in ROM management information
The logical format type 512 of the D-ROM information 509, the search program type 513, the correspondence relationship 514 with the logical format information of the CD-ROM, and the logical format information 515, 5 which is the logical format information of the CD-ROM.
Correspondence with CD-ROM information 516, 5 in 19
20, Identification information 517 for identification from other CD-ROMs
, 521, management information settings such as search information 518, 522 such as CD-ROM information range and index information. When the environment settings are completed, from the management terminal 108,
The user 10 sets the search mode by inputting the mode in the processing step 604, and the user 10 sets the search mode in the processing step 607 until the search mode in the processing step 606 ends in the processing step 605.
Wait for input of search code from step 3, processing step 608
Search processing is performed in step 609, and processing for outputting the search results is executed in processing step 609. When the operation of the CD-ROM library device is to be terminated, when the command to terminate the search mode and the termination mode setting are received from the management terminal 108,
The process 701 shown in FIG. 7 of the input control unit 111, the process 801 shown in FIG. 8 of the output control unit 112, and the process shown in FIG. 901,
Processing 1001 shown in FIG. 10 by the CD-ROM control unit 115
The CD-ROM library control device 107, management terminal 108, and CD-ROM drive device 109 are powered off.

[0031] In the e-mail device 116, an e-mail control unit 117 manages the entire system, such as management of the communication route 101 and user management. Regarding user management,
It has user management information 1201 as shown in FIG. 12, including user registration name 1202, user information 1203 such as the user's name, affiliation, password, etc. A CD with information 1205 indicating
ROM usage management information 1204, other management information 120
6, etc., and manage the mail function section 118, C.
It is referred to by the D-ROM function section 119 and other function sections 120.

Next, when the user 103 uses the CD-ROM library device, the user 103 uses the terminal/computer 104 to connect to the e-mail device 116 via the communication path. The e-mail control unit 117 is shown in FIG.
The display 1401 shown in 1401 is displayed, and the user inputs C at 1402.
Instructs to search for information in the D-ROM. In response to this, the e-mail control unit 117 causes the CD-ROM function unit 119 to execute. As shown in FIG.
The user management information 1201 shown in FIG.
CD-ROM usage management information 1204 by type of CD-R
The presence or absence of the usage authority is checked using the information 1205 indicating whether or not the OM usage authority is available, and if there is no authority, the process is terminated in process step 1304, and if the authority is present, the process is completed in process step 130.
5 displays searchable information such as display 1405, input 1406, display 1407, and display 140 in process 1306.
8. Enter search codes and the like shown in input 1409, display 1410, input 1411, and input 1412.

The search code input at the e-mail device 116 reaches the CD-ROM library control device 107 via the communication path 101. The arrived search code passes through the basic control unit 110, registers the processing request in processing step 703 in FIG. User name 306, device used 307, communication route used 308 of certain user information 305
, information about other users 309, type of CD-ROM 311 that is the target of search information 310, which is information about searches, search key 312, information about other searches 313, output information 31 which is information about outputting search results.
4, the output destination user name 315, output destination device 316, output communication route 317, output format 318, and other output-related information 319 are set, and a search table 320 is created to be registered in the input queue. The value of the tail position 302 of the queue is set in the order relationship 304 of the queue, and the position of the search table 320 is set as the value of the tail position 302, thereby registering it in the input queue. Processing step 607 in FIG. 6 issues an input queue output request to the processing request in processing step 703 in FIG.
4, 706, if there is an input queue, the search table 321 at the head of the input queue in FIG.
By setting it to the value of the previous search table and setting the value of the queue order relationship 304 of the previous search table to the terminal value, it can be taken out from the input queue and passed to the information search unit. Processing step 608 in FIG. 6 sets a search mode in the processing request in processing step 903 in FIG. From the result, in processing step 906 in FIG. 9, it is determined that the CD-ROM to be searched exists in this CD-ROM library device based on the search information 518, 522 of the logical format information 515, 519 in FIG. 5 and the CD-ROM management information 501. If it exists, in processing step 907 in FIG. 9, set CD-ROM reading in the processing request in processing step 1003 in FIG. Read the information of and process step 908
The information read in is searched by the search program shown in the search program type 513 in FIG. User name 406, output destination device 407, communication path used 408, output format 409, information on other output destinations 410, search result size 412 of search result information 411, search result 413, other searches Set the information 414 regarding the results and select the CD-ROM to be searched.
If the CD-ROM to be searched does not exist, the user 103 requests a search process to another CD-ROM library control device 107 in which the CD-ROM to be searched exists.
Do it in the same way as you would use it. Processing step 609 in FIG.
8 sets a request to register the search result output queue in the processing request of processing step 803 in FIG. 40 indicating
4 to the value of the tail position 402 of the queue, and set the position of the search result table 414 to the value of the tail position 402 to register it in the output queue. When the output processing is completed and the next output processing becomes possible, the basic control unit 110 issues an output request to the processing request in processing step 803 of FIG. 807, the search result table 416 at the head of the output queue in FIG. order relationship 40
By setting the value of 4 as the terminal value, it is taken out from the output queue, output processed, and sent to the terminal/device via the communication path 101.
Computer 104, storage device 105, output device 106
The user 103 obtains the search results.

According to the above-described embodiment, all CD-ROMs required by the user are placed in the CD-ROM drive device 109 connected to the CD-ROM control device 107, thereby eliminating the need to replace CD-ROMs. become.

According to the above embodiment, since the search program type is registered for each CD-ROM as shown in the search program type 413 in FIG.
There is no need to specify a search program.

According to the above embodiment, the number of users 103 is limited not by the CD-ROM control device or the number of CD-ROMs, but by the number of terminals/computers 104, and by input control for simultaneous use. It is controlled by a section 111 and an output control section 112.

According to the embodiment described above, as shown in FIG. Place it on the CD-R
OM library control device 107, management terminal 108, C
By managing the locking of the room where the D-ROM drive device 109 is located, the risk of loss or theft can be reduced.

According to the embodiment described above, the user 103 uses C
By providing a communication path 101 between the D-ROM control device 107, e-mail device 116, and terminal/computer 104, use from a remote location becomes possible.

In the above embodiment, all CD-RO
When M is managed by the CD-ROM library control device 107, the administrator of the CD-ROM library device performs the following steps after starting the CD-ROM library control device 107 and setting it in search mode, and before terminating the operation. There's nothing special about it.

According to the embodiment described above, the available CD-
ROM expansion can be achieved by newly connecting a CD-ROM library device to the communication path.

According to the above-described embodiment, even if the user 103 mistakenly sends a search code to the CD-ROM library control device 107 in which the CD-ROM containing the desired information does not exist, the CD-ROM Library control device 10
7 is a CD of another CD-ROM library control device 107
- By retaining the ROM management information, the search code can be sent to the appropriate CD-ROM library control device, so the user 103 can obtain the desired search result.

[0042] In the communication path 101 of the above-described embodiment, it is possible to use a communication line, network, telephone line, wireless, etc.

In the above embodiment, the communication path 101 is used, but the communication path 101 is not used and the CD-ROM library control devices 107 are connected to each other, the CD-ROM library device 107 is connected to the e-mail device 116, and the e-mail device is connected to each other. 11
This is also effective when the terminal/computer 104 of the user 103 is directly connected to the terminal/computer 104 of the user 103.

In the above-described embodiment, when adding a function to restrict simultaneous use by a plurality of users, it can be implemented without providing the input control section 111 and the output control section 112.

In the above embodiment, the management terminal 108
It is possible to perform these functions on the terminal/computer 104.

In the above-described embodiment, each control unit can be implemented not by independent processing but by calling procedures as necessary.

In the embodiment described above, it is possible to implement the CD-ROM library control device 107 and the e-mail device 116 on the same device.

[0048] In the above embodiment, the e-mail device 1
16 user management information 1201 in the CD-ROM library control device 107, the e-mail device 116
It is possible to realize this without using .

In the embodiments described above, it is possible to realize each control section using separate devices instead of a single device.

The present invention can also be used as a distribution system for CD-ROM information, since it is possible to separately set the user who inputs the search code and the user who receives the search results when using the CD-ROM.

[0051] The present invention provides the user and the C
By adding a function to register a search key for obtaining D-ROM information, it can also be used as an automatic distribution system for CD-ROM information.

The present invention is also effective for storage media other than CD-ROMs.

[0053]

As described above, according to the present invention, by loading all the CD-ROMs required by the user into the CD-ROM drive device of the CD-ROM library device, the user can easily replace the CD-ROMs. The effort becomes unnecessary.

According to the present invention, since the search program corresponding to each CD-ROM is registered in the CD-ROM library control device, the user does not have to specify the search program corresponding to the CD-ROM. Become.

According to the present invention, the limit on the number of users is
It is limited not by the number of D-ROM control devices or CD-ROMs, but by the number of terminals/computers, and conventional terminals/computers can be used for adding more terminals/computers.

According to the present invention, the CD-ROM library device can be placed in a room isolated from the user through a communication path, and by managing the locking of that room, the CD-ROM library device can be
- The risk of ROM damage, loss, theft, etc. can be reduced.

According to the present invention, communication paths are provided between the CD-ROM library device and the e-mail device, and between the e-mail device and the terminal/computer, so that it can be used even from a remote location.

According to the present invention, in the management of the CD-ROM library device, when all the CD-ROMs are loaded, there is no particular need to be done after the administrator puts the CD-ROM library device into search mode. There is no need for constant monitoring, which reduces the burden on administrators.

According to the present invention, when adding a CD-ROM library device, it is only necessary to provide a communication path between the CD-ROM libraries, and the addition can be easily made.

According to the present invention, management of CD-ROM usage rights can be easily realized by providing usage rights information.

[Brief explanation of the drawing]

FIG. 1 is a diagram showing the entire configuration of a CD-ROM library device of the present invention, including the usage environment.

FIG. 2 is a diagram showing the configuration of a CD-ROM library device.

FIG. 3 is a diagram showing the format of an input queue of the input control unit 111.

FIG. 4 is a diagram showing the format of an output queue of the output control unit 112.

FIG. 5 is a diagram showing the format of CD-ROM management information of the information control unit 114.

[Fig. 6] PAD showing the processing procedure of the system control unit 113
It is a diagram.

FIG. 7 is a PAD diagram showing a processing procedure of the input control unit 111.

FIG. 8 is a PAD diagram showing the processing procedure of the output control unit 112.

FIG. 9 is a PAD diagram showing a processing procedure of an information control unit.

FIG. 10 is a PAD diagram showing the processing procedure of the CD-ROM control unit 115.

FIG. 11 is a diagram showing the configuration of an e-mail device.

FIG. 12 is a diagram showing user management information of an e-mail device.

FIG. 13 is a PAD diagram showing the processing procedure of the CD-ROM function section 119.

FIG. 14 is a diagram showing an example of inputting a search code using the e-mail device 116.

[Explanation of symbols]

101...Communication route, 102...Room, 103...User,
104...terminal/computer, 105...storage device, 10
6... Output device, 107... CD-ROM library control device, 108... Management terminal, 109... CD-ROM drive device, 110... Basic control unit, 111... Input control unit, 1
12...Output control unit, 113...System control unit, 114...
Information control unit, 115...CD-ROM control unit, 116...E-mail device, 117...E-mail control unit, 118...Mail function unit, 119...CD-ROM function unit, 120...Other function units.

Claims (6)

[Claims] Claim 1: A first device into which a plurality of compact disk read-only memories (CD-ROMs) can be loaded at the same time; and selecting the CD-ROMs in the first device;
It consists of a first control device equipped with means for controlling read access, and a second control device connected to the first control device through a network connection, and the second control device is installed in the first control device. control means for sequentially accessing the first device in response to a request to access any one of the CD-ROMs from the CD-ROM group, and transmitting information of the accessed CD-ROM to a second control device via a network system; A CD-ROM library control method characterized by comprising a processing means for transferring. Claim 2: In a configuration comprising a first device into which a plurality of CD-ROMs can be loaded, and a first control device that controls access to the first device, the CD-ROM is loaded into the first device within the first control device. a first storage means for storing the state of the CD-ROM corresponding to each CD-ROM; a second storage means for sequentially storing the contents of the access request to the CD-ROM; a control means for sequentially extracting access requests and reading data from the CD-ROM loaded in the first device into a storage area within the first control device while referring to the contents of the second storage means; a control means for converting data from a CD-ROM read into a storage area in a second storage means based on control information stored in a second storage means; and outputting the converted information to an output device. 1. A CD-ROM library control method characterized by comprising a control means for controlling a CD-ROM library. 3. The configuration according to claim 2, comprising a first device into which a plurality of CD-ROMs can be loaded, and a first control device for controlling access to the first device, wherein the first control device is connected to a network system. When connected, access requests stored in the second storage means are inputted via the network system, and a control means for sequentially storing the access requests in the second storage means, and a control unit for performing the data conversion. a control means for storing information converted into data based on the control information stored in the second storage means in the third storage means and storing it in the output queue; A CD-ROM library control system characterized by comprising a control means for sequentially extracting data and sending it to a network system. 4. A CD-ROM library control system, wherein the output device according to claim 2 is a display device. 5. A CD-ROM library control system according to claim 2, wherein the output device is a high-definition output device such as a facsimile machine or a laser beam printer. 6. A first device into which a plurality of CD-ROMs can be loaded at the same time; and a first control device comprising means for selecting and controlling read access to the CD-ROMs in the first device. , a second control device connected to the first control device through a network connection, and a third control device equipped with an e-mail function.
When the second control device requests the first control device to access one of the CD-ROMs, the request mail information is sent to the third control device. A processing means and a third control device intervene, and means for sending the mail information to the first control device, and the first control device receiving the mail accesses the first device and reads the CD-ROM. processing means for reading information, processing means for transferring the read information to a third control device, and the third control device receiving the information from the first control device and providing e-mail access from the second control device; 1. A CD-ROM library control system characterized by comprising a display means for notifying that information is being received at a certain time.