JP2003087694A - Video recording system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a video recording system which can reserve video recording exceeding the storage capacity of a 1st storage means storing video recording reservation information. SOLUTION: When new video recording reservation information is inputted, this video recording system stores the inputted video recording reservation information in a 2nd storage means. When the new video recording reservation information exceeds the storage capacity of the 1st storage means, the video recording reservation with the latest video recording start time which is stored in the 1st storage means is compared with the new video recording reservation. When the new video recording reservation is earlier, the new video recording reservation information is sent from a 2nd video recording reservation managing means to a recording device and stored in the 1st storage means. When the video recording of one item in the video recording reservation information is completed, next video recording reservation information stored in the 2nd storage means is sent from the 2nd video recording reservation managing means to the recording device and stored in the 1st storage means.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recording system for recording video signals.

[0002]

2. Description of the Related Art Recently, EPG (Electr.
ic Program Guide) information is transmitted by being superimposed on broadcast waves, or is available via the Internet. The EPG information includes a channel on which the program is broadcast, a broadcast date, a broadcast start time, a broadcast end time, a program title, and the like. In some cases, you can get the name of the performer and information about the program.
It may also include Internet addresses. Current,
EPG information is acquired with a personal computer (PC) and the program guide is displayed on the PC.
The function of displaying on the display of, and selecting and viewing the displayed program is being installed in the PC.

On the other hand, VHS (registered trademark), D-VHS (registered trademark) format and DV format VTR exist, but these receive an input from a TV broadcast tuner or a line input, These signals are recorded. Actually, referring to the program section of the TV broadcast of newspapers and magazines, the user reserves the program to be recorded in advance.
Input to VTR and VTR at the time when the program is actually broadcast
The recording operation of is not required to be performed.

[0004]

In recent years, a digital interface based on a new standard such as the IEEE1394 standard has been introduced into a PC, and the PC and the VCR for recording and reproducing video and audio.
Devices such as DVC (Digital Video Cassette) and D-VHS can now be connected. It is said that it is difficult for general users to execute the recording reservation process in a normal VTR device. Even if the recording reservation can be made, there is a limit to the number of recording reservations that the VTR device can accept. Therefore, if the reservation of the previous program (A) is made, the program (B) broadcast before that will be recorded. I can't make a reservation later. Cancel the reservation for program (A), make a reservation for program (B), and after the next recording is executed, program again
It is very inconvenient because the recording reservation of (A) needs to be redone.

It is also necessary to take out the recording medium from the device and check the remaining amount of the recording medium tape. Also, if you have time left to watch with a recording reservation, you need to know when the remaining amount of recording media will be insufficient.If you miss the opportunity to replace the tape, the recording will be completed first. It may be overwritten and recorded in the part that you have not watched yet. The present invention solves the above problems and solves these problems.
It is an object of the present invention to provide a recording system in which a PC and a VTR device can be connected to easily and without fail to perform recording by recording reservation, which was often troublesome in the past.

[0006]

In order to solve the above problems, the present invention has the following constitution. According to the first aspect of the invention, there is provided a first recording reservation managing means having a first storage means for storing the recording reservation information and a transmitting / receiving means for communicating the recording reservation information with the second recording reservation managing means. A first recording means for recording according to the recording reservation information; a second storage means for storing the recording reservation information and having a storage capacity larger than that of the first storage means; and the first recording reservation. And a second recording reservation managing means having a transmitting / receiving means for communicating recording reservation information with the managing means.

According to a second aspect of the present invention, when the first recording reservation management means exceeds the storage capacity of the first storage means and new recording reservation information is input from the outside, the first recording reservation management means. Part of the recording reservation information stored in the second recording reservation management means, the new recording reservation information is stored in the first storage means, and the first recording means stores the new recording reservation information. 2. The recording according to claim 1, wherein the recording reservation information saved in the second recording reservation management means is stored in the first storage means again after the reserved recording is completed. System.

According to a third aspect of the present invention, a recording means for recording, a recording status information generating means for generating recording status information indicating a recording status indicating that the recording has succeeded or failed, and requesting the recording status information. A recording device having a transmitting / receiving means for receiving a request signal and transmitting the recording state information in response to the request signal; a transmitting / receiving means for transmitting the request signal and receiving the recording state information; A recording system comprising: a recording management unit having a notification unit for notifying a recording state according to information.

According to a fourth aspect of the present invention, there is provided recording means for recording a video signal on a recording medium, and recording medium remaining amount information generating means for generating recording medium remaining amount information indicating an unrecorded capacity of the recording medium. A recording device which receives a request signal requesting the recording medium remaining amount information and which transmits and receives the recording medium remaining amount information in response to the request signal; and a recording device which transmits the request signal and the recording device. Recording management means having a transmitting / receiving means for receiving medium remaining amount information, and notifying means for notifying the recording medium remaining amount according to the recording medium remaining amount information,
It is a recording system characterized by having.

The invention according to claim 5 is the recording system according to claim 4, wherein the notifying means notifies the recording medium remaining amount information to the outside after the recording is completed.

According to a sixth aspect of the present invention, the notifying means externally outputs the recording medium remaining amount information when the remaining amount of the recording medium is insufficient for executing the next recording reservation after the recording is completed. The recording system according to claim 4, wherein the recording system is notified.

According to a seventh aspect of the present invention, there is provided a first recording means having first storage means for storing the recording reservation information and transmitting / receiving means for communicating the recording reservation information with the second recording reservation management means. A reservation management means, a first recording means for recording according to the recording reservation information, a second recording means for recording in parallel with the first recording means, and a first recording reservation management means. And a second recording reservation managing means having a transmitting / receiving means for communicating recording reservation information between them.

In order to execute the recording reservation, the second recording means reserves the recording medium when the remaining amount of the recording medium of the first recording means is insufficient. The recording system according to claim 7, wherein an image is recorded.

According to a ninth aspect of the present invention, the first recording means records the image, and at the same time, the second recording reservation managing means also records in the recording medium incorporated therein. Recording system. INDUSTRIAL APPLICABILITY The present invention has an effect of realizing a recording system having a large storage capacity and capable of easily executing recording by recording reservation.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments specifically showing the best mode for carrying out the present invention will be described with reference to the drawings.

<Embodiment 1> A recording system according to Embodiment 1 of the present invention is a system in which a function of performing recording reservation management is realized by a PC. A recording system according to a first embodiment of the present invention will be described with reference to FIGS. First, the configuration of the recording system according to the first embodiment of the present invention will be described with reference to FIG. First Embodiment FIG. 1 is a block diagram of a recording system according to a first embodiment of the present invention. In FIG. 1, 10 is a recording device, and 11 is a second recording reservation management means. The recording device 10 includes a first recording means 12,
It has a first recording reservation management means 13. Further, the first recording reservation management means 13 has a first storage means 14 and a transmission / reception means 15. The second recording reservation managing means 11 has an operating means 16, a transmitting / receiving means 17, and a second storing means 18. In the first embodiment, the second recording reservation management means 11 is a PC
And the recording device 10 is a VTR. The transmitting / receiving means 15 of the recording device 10 and the transmitting / receiving means 17 of the second recording reservation management means 11 are connected by a cable conforming to the IEEE1394 standard.

The second recording reservation management means 11 will be described.
The user operates the operation means 16 to input the recording reservation information to the second recording reservation management means 11. The recording reservation information is information for reserving recording, and includes, for example, the channel of the program to be recorded, the recording start time, and the recording end time. The recording reservation information that has been input is transmitted / received by the transmitting / receiving means 17
Is transmitted to the storage means 18. The second storage means 18 has a sufficiently large storage capacity (at least a storage capacity larger than that of the first storage means 14) and records the recording reservation information.
The transmission / reception unit 17 transmits the recording reservation information input to the recording device 10 and receives various information transmitted from the recording device 10. The recording device 10 will be described. The transmission / reception unit 15 inputs the transmitted recording reservation information and transmits it to the first storage unit 14. The transmission / reception unit 15 inputs the information transmitted from the first recording unit 12 and the information transmitted from the first storage unit 14, and the information is transmitted to the second recording reservation management unit 1
Transmit to 1.

The first storage means 14 stores the input recording reservation information. Further, the first storage means 14 causes the first recording means 12 to start or end recording of a predetermined input signal (for example, a video signal and an audio signal) at a predetermined time based on this information. However, since the storage capacity of the first storage means 14 is small, the number of pieces of recording reservation information that can be stored is limited.

When new recording reservation information is input, first, the second recording means 18 stores the input recording reservation information. When the new recording reservation information exceeds the storage capacity of the first storage unit 14, the recording reservation with the latest recording start time stored in the first storage unit 14 is compared with the new recording reservation. If the new recording reservation is later in recording start time, the stored contents of the first storage means 14 are not changed. If the new recording reservation is earlier than the recording start time, first set the recording reservation with the latest recording start time.
It is deleted from the storage means 14 of. After that, new recording reservation information is transmitted from the second recording reservation management means 11 to the recording device 10. The first storage unit 14 stores new recording reservation information by using the storage capacity generated by the deletion. When one recording of the recording reservation information is completed, the next recording reservation information which is not stored in the first storage means 14 and stored in the second storage means 18 is recorded as the second recording. It is transmitted from the reservation management means 11 to the recording device 10 and stored in the first storage means 14.

As described above, the transfer of the recording reservation information is performed by the transmitting / receiving means 17 of the second recording reservation managing means 11 and the transmitting / receiving means 15 of the first recording reservation managing means 13 of the recording apparatus 10.
Through. In the embodiment, the transmitting / receiving means 15,
Reference numeral 17 is an IEEE1394 interface, but instead of this, various communication methods such as IR (Infra Red) transmission / reception, serial / parallel port, etc. can be used.

The recording reservation input means is not only the operation means 16 of the second recording reservation management means 11 but also the recording device 10.
It may be provided in the first recording reservation management means 13 of FIG. In this case, the second recording reservation management means 11 requests, for example, periodically to transmit the recording reservation information stored in the first recording reservation management means 13. The second recording reservation managing means 11 compares the recording reservation information transmitted from the first recording reservation managing means 13 with the recording reservation information stored in the second recording reservation managing means 11. Due to the difference between the two, it is possible to know that a new recording reservation has been input from the operation means of the first recording reservation management means 13. Second of the second recording reservation management means 11
The storage means 18 stores the new recording reservation information detected based on the difference.

Next, the flow of the recording reservation information of the recording system according to the first embodiment of the present invention will be described with reference to FIGS. Figure 5
6 is a flowchart regarding recording reservation information at the time of recording reservation of the recording system according to the first embodiment of the present invention. In FIG. 5, in step 501, the user inputs new recording reservation information from the operation means 16. In step 502, the second storage unit 18 stores the new input recording reservation information.
In step 503, the second recording reservation management means 11 determines whether or not the new recording reservation information exceeds the storage capacity of the first storage means 14. If the recording reservation does not exceed the storage capacity of the first storage means 14, the process proceeds to step 504, and new recording reservation information is transmitted from the second recording reservation management means 11 to the recording device 10. In step 505, the first storage unit 14 stores the transmitted new recording reservation information,
This flowchart is finished.

If the new recording reservation information exceeds the storage capacity of the first storage means 14 in step 503, the process proceeds to step 506 to record the recording reservation information stored in the first storage means 14. The recording reservation information having the latest start time is extracted. In step 507, it is determined whether the new recording reservation is later in recording start time than the extracted recording reservation.

If the new recording reservation is earlier than the recording start time, the process proceeds to step 508. Second at step 508
The recording reservation management means 11 of the
The latest recording reservation information is transmitted to the recording device 10 so as to be erased. In step 509, the first storage unit 14 erases the recording reservation information with the latest recording start time based on the transmitted command. In step 510, the second recording reservation management means 11 transmits new recording reservation information to the recording device 10 so as to store it. In step 511, the first storage means 1
4 stores the transmitted new recording reservation information, and ends this flowchart. When the recording start time is later than that of the new recording reservation extracted in step 505, this flowchart is ended.

FIG. 6 is a flowchart relating to recording reservation information after recording a program in the recording system according to the first embodiment of the present invention. In FIG. 6, in step 601, the second recording reservation management means 11 requests transmission of the recording reservation information stored in the first storage means 14 through the transmitting / receiving means 17 and 15, and acquires the recording reservation information. . In step 602, the second recording reservation management means 11 receives the recording reservation information in the first storage means 14 (the actually stored recording reservation information).
And the storage capacity of the recording reservation information of the first storage means 14 are compared to determine whether or not there is a free space in the first storage means. If there is no free space in the first storage means 14, this flowchart is ended. If the first storage means 14 has a free space, the process proceeds to step 603, and the second recording reservation management means 11 stores the first recording means in the recording reservation information stored in the second storage means 18. It is determined whether or not there is recording reservation information not stored in 14. If there is no recording reservation information that has not been stored, this flowchart ends.

If there is recording reservation information that is not stored, the process proceeds to step 604, and among the recording reservation information that is not stored in the first storage means 14, the recording reservation information with the earliest recording start time is extracted. In step 605, the second recording reservation management means 11 transmits to the recording device 10 so as to store the extracted recording reservation information with the earliest recording start time. In step 606, the first storage means 14 stores the transmitted recording reservation information with the earliest recording start time, and ends this flowchart. In this way, by utilizing the storage function of the second recording reservation management means 11, it becomes possible to virtually eliminate the maximum number of recording reservations accepted by the recording device 10.

<Embodiment 2> The recording system according to Embodiment 2 of the present invention has a PC having a function of performing recording reservation management as in Embodiment 1.
It is a system realized by. The configuration of the recording system according to the second embodiment of the present invention will be described with reference to FIG. Second Embodiment FIG. 2 is a block diagram of a recording system according to a second embodiment of the present invention. In FIG. 2, 20 is a recording device, and 21 is a second recording reservation management means. The recording device 20 includes a first recording means 12 and a first recording means 12.
The recording reservation management unit 13 and the recording state information generation unit 22 are included. Further, the first recording reservation management means 13 has a first storage means 14 and a transmission / reception means 15. The second recording reservation managing means 21 has an operating means 16, a transmitting / receiving means 17, a second storage means 18, and a notifying means 23. The recording system according to the second embodiment has the same function as that of the recording system according to the first embodiment, and the recording device 20 includes a recording state information generating unit 22.
The second recording reservation management means 21 has a notification means 23. The same blocks as those in the first embodiment are designated by the same reference numerals.

In the second embodiment of the present invention, the first recording means 12 records a predetermined input signal at a predetermined time based on the information in the first storage means 14. After the recording is completed, the recording status information generating means 22 generates recording status information indicating a recording status indicating whether the recording has succeeded or failed. Recording device 20
Based on the request from the second recording reservation managing means 21, the recording status information generated by the recording status information generating means 22 is transmitted to the second recording reservation managing means 21 through the transmitting / receiving means 15 and 17. The notifying means 23 uses the predetermined recording method based on the received recording status information to perform the second recording reservation management means 21.
Notify users of. The notification unit 23 is, for example, a display that displays whether recording has succeeded or failed.

The recording status information is passed through the transmitting / receiving means 17 of the second recording reservation managing means 21 and the transmitting / receiving means 15 of the first recording reservation managing means 13 of the recording device 20. In this way, by utilizing the notification function of the second recording reservation management means 21, it is possible to know the recording status of the recording device 20 without actually reproducing (without needing to be there). Become.

In the embodiment, the transmitting / receiving means 15,
Reference numeral 17 is an IEEE1394 interface, but instead of this, various communication methods such as IR transmission / reception and serial / parallel ports can be used. Regarding the method of confirming the recording reservation information, the recording device 20 may notify the second recording reservation management means 21 after the recording is completed, or the second method.
Alternatively, the recording reservation management means 21 can monitor the recording device 20 (confirm the start time and the end time, or execute polling during recording). Also, the notification means 2
As the notification method according to 3, the second recording reservation management means 2
In addition to appearing as a message on the screen 1, various methods and combinations such as calling a user-specified address and sending an email are possible, and the user may execute a predetermined method.

<Third Embodiment> A recording system according to a third embodiment of the present invention has a PC which has a function of performing recording reservation management similarly to the first embodiment.
It is a system realized by. The configuration of the recording system according to the third embodiment of the present invention will be described with reference to FIG. Third Embodiment FIG. 3 is a block diagram of a recording system according to a third embodiment of the present invention. In FIG. 3, reference numeral 30 is a recording device, and 31 is a second recording reservation management means. The recording device 30 includes a first recording unit 12, a first recording unit
Recording reservation management means 13 and recording medium remaining amount information generation means 3
Have two. Further, the first recording reservation management means 13 has a first storage means 14 and a transmission / reception means 15. The second recording reservation managing means 31 includes an operating means 16 and a transmitting / receiving means 1.
7, second storage means 18, and notification means 33. The recording system of the third embodiment has the same function as the recording system of the first embodiment, the recording device 30 has a recording medium remaining amount information generation means 32, and the second recording reservation management means 31 is a notification means 33. Have. The same blocks as those in the first embodiment are designated by the same reference numerals.

In the third embodiment of the present invention, the recording medium remaining amount information generating means 32 generates recording medium remaining amount information indicating the remaining amount of the recording medium of the first recording means 12. The recording device 30 transmits the recording medium remaining amount information generated by the recording medium remaining amount information generating unit 32 based on the request from the second recording reservation managing unit 31 through the transmitting and receiving units 15 and 17 to the second recording reservation managing unit 31. To transmit. The notification means 33 notifies the user of the second recording reservation management means 31 by a predetermined method based on the received recording medium remaining amount information. The notification unit 33 is, for example, a display that displays the remaining amount of the recording medium in characters.

Information on the remaining amount of the recording medium of the first recording means 12 is passed through the transmitting / receiving means 17 of the second recording reservation managing means 31 and the transmitting / receiving means 15 of the first recording reservation managing means 13 of the recording device 30. To do. In this way, by utilizing the notification function of the second recording reservation managing means 31, without actually confirming the state of the recording medium of the first recording means 12 of the recording device 30, it is necessary to be there. You can know (without).

In the embodiment, the transmitting / receiving means 15,
Reference numeral 17 is an IEEE1394 interface, but instead of this, various communication methods such as IR transmission / reception and serial / parallel ports can be used. The confirmation method is
The recording device 30 can notify the second recording reservation management means 31 and the second recording reservation management means 31 monitors the recording device 30 (before start, after end, or periodically). It is also possible by Further, as the notification method by the notification means 33, various methods and combinations such as making a message appear on the second recording reservation management means 31 as well as making a call to an address designated by the user and sending an email are possible. The user himself / herself may execute a predetermined method.

Further, the timing of sending the notification can be set variously, such as sending a predetermined time before the start of recording, sending after the end of recording, sending when a problem occurs, or sending periodically. In addition to the remaining amount, the management of information necessary for the user to determine whether or not to replace the recording medium such as the presence or absence of the recording medium of the first recording means 12, the recording capacity of the recording medium, and the usage status , A similar method can be applied. For example, in order to execute the next recording reservation that has already been reserved, the recording medium remaining amount information generating unit 32 notifies when the recording capacity of the recording medium currently in the first recording unit 12 is insufficient. The recording medium remaining amount information and the information indicating that the remaining amount is insufficient are transmitted to the means 33, and the notifying unit 33 recommends exchanging the recording medium remaining amount information and the information indicating that the remaining amount is insufficient for a new recording medium. Display a message.

<Embodiment 4> The recording system of Embodiment 4 of the present invention has a function of performing recording reservation management similar to that of Embodiment 1 on a PC.
It is a system realized by. The configuration of the recording system according to the fourth embodiment of the present invention will be described with reference to FIG. Fourth Embodiment FIG. 4 is a block diagram of a recording system according to a fourth embodiment of the present invention. In FIG. 4, 10 is a recording device and 41 is a second recording reservation managing means. The recording device 10 includes a first recording means 12 and a first recording means 12.
The recording reservation management means 13 is included. Further, the first recording reservation managing means 13 includes a first storing means 14 and a transmitting / receiving means 1.
Have 5. The second recording reservation managing means 41 includes an operating means 16, a transmitting / receiving means 17, a second storage means 18, and a second recording means 42. The recording system according to the fourth embodiment has the same function as that of the recording system according to the first embodiment, and further includes the second recording means 42 in the second recording reservation managing means 41. The same blocks as those in the first embodiment are designated by the same reference numerals.

In the fourth embodiment of the present invention, the first recording means 12 records a predetermined input signal at a predetermined time based on the information in the first storage means 14. The second recording reservation managing means 41 grasps the information held by the first recording reservation managing means 13. If it is determined to be necessary according to the predetermined criteria,
The second recording means 42 inputs the input signal (for example, a video signal and an audio signal) input by the first recording means 12, and records the input signal simultaneously with the first recording means 12. The second recording means 42 may be an external device or a device built in the second recording reservation management means 41. The input signal and the information held by the first recording reservation managing means 13 are transferred between the transmitting / receiving means 17 of the second recording reservation managing means 41 and the first recording reservation managing means 13 of the recording device 10.
Is performed through the transmitting / receiving means 15. In this way, by utilizing the storage function of the second recording reservation management means 41, even if recording fails in the recording device 10, backup recording can be performed using an alternative recording medium.

It should be noted that the criterion for the recording on the second recording means 42 is, for example, that the remaining amount of the recording medium of the first recording means 12 is insufficient as compared with the information amount of the input signal to be recorded. Various judgments can be made, such as when a judgment is made. Alternatively, the second recording means 42 may always record the input signal. When always recording on the recording medium of the second recording means 42, if the recording on the recording medium of the first recording means 12 is successful, a function of erasing or overwriting may be added. Further, when the remaining amount of the recording medium of the first recording means 12 is insufficient, a function to determine whether or not to record (something is overwritten and erased) on the recording medium of the first recording means 12 is added. You may. It is also possible to leave the determination to the user of the second recording reservation management means 41. In addition, the input signal to be recorded depends on the recordable capacity of the recording medium of the second recording means 42 and the content of the program.
MPEG1 or MPE for (information including video and audio signals)
It is also possible to perform a predetermined compression process such as G2 and record the compressed information in the second recording means 42.

In the embodiment, the transmitting / receiving means 15,
Reference numeral 17 is an IEEE1394 interface, but instead of this, various communication methods such as IR transmission / reception and serial / parallel ports can be used. In any of the embodiments, the PC can be replaced with a device having the same necessary function. The recording device is not only a VTR,
It can be replaced with various recording devices (preferably those having a large recording capacity).

[0040]

According to the present invention, various problems can be solved by utilizing the function of the PC for the recording reservation, which has conventionally been troublesome and often fails. For example, virtually eliminating the maximum number of recording reservations accepted, recording status
(Success or failure) without actually playing the recording medium
Knowing (without needing to be on the spot), knowing the status of recording media (whether or not, etc.) without actually checking the recording medium (without needing to be there), recording failed on the recording device It is possible to obtain an advantageous effect that a backup for the occasion can be prepared.

[Brief description of drawings]

FIG. 1 is a block diagram of a recording system according to a first embodiment of the present invention.

FIG. 2 is a block diagram of a recording system according to a second embodiment of the present invention.

FIG. 3 is a block diagram of a recording system according to a third embodiment of the present invention.

FIG. 4 is a block diagram of a recording system according to a fourth embodiment of the present invention.

FIG. 5 is a flowchart regarding recording reservation information at the time of recording reservation of the recording system according to the first embodiment of the present invention.

FIG. 6 is a flowchart regarding recording reservation information after recording a program in the recording system according to the first embodiment of the present invention.

[Explanation of symbols]

10, 20, 30 recording device 11, 21, 31, 41 Second recording reservation management means 12 First recording means 13 First recording reservation management means 14 First storage means 15, 17 Transmission / reception means 16 Operation means 18 Second storage means 22 Recording state information generating means 32 recording medium remaining amount information generating means 23, 33 Notification means 42 Second recording means

Front page continuation (51) Int.Cl. ⁷ Identification code FI theme code (reference) H04N 5/765 H04N 5/91 L 5/781 5/782 Z 5/7826 5/781 510C F term (reference) 5C018 HA10 5C025 AA25 CA02 CB05 CB06 CB08 CB10 DA10 5C052 AA01 AB04 CC11 DD04 DD06 5C053 FA20 FA21 GB37 LA07 LA11 LA15 5D102 AC05 GA02 GA08 GA39 GA46 GA47 GA51

Claims (9)

[Claims] 1. A first recording reservation management unit having a first storage unit for storing recording reservation information, and a transmission / reception unit for communicating recording reservation information with a second recording reservation management unit, and the recording. A first recording means for recording according to the reservation information; a second storage means for storing the recording reservation information and having a storage capacity larger than that of the first storage means; and a first recording reservation management means. A second recording reservation management unit having a transmitting / receiving unit for communicating recording reservation information between the recording system and the recording system. 2. The first recording reservation management means stores the new recording reservation information in the first storage means when new recording reservation information is input from outside by exceeding the storage capacity of the first storage means. Copy recording reservation information is saved in the second recording reservation management means, the new recording reservation information is stored in the first storage means, and the first recording means ends the reserved recording. 2. The recording system according to claim 1, wherein after that, the recording reservation information saved in the second recording reservation management means is stored again in the first storage means. 3. A recording means for recording, a recording status information generating means for generating recording status information indicating a recording status that recording has succeeded or failed, and a request signal for requesting the recording status information, and A recording device having a transmitting / receiving unit for transmitting the recording state information in response to a request signal, a transmitting / receiving unit for transmitting the request signal and receiving the recording state information, and notifying a recording state according to the recording state information. A recording system comprising: a recording management unit having a notification unit. 4. A recording means for recording a video signal on a recording medium, a recording medium remaining amount information generating means for generating recording medium remaining amount information indicating an unrecorded capacity of the recording medium, and the recording medium remaining amount information. A recording device having a request signal for requesting the request and transmitting and receiving the recording medium remaining amount information in response to the request signal; and a recording device transmitting the request signal and receiving the recording medium remaining amount information. A recording system comprising: a transmission / reception means; and a recording management means having a notification means for notifying the recording medium remaining amount according to the recording medium remaining amount information. 5. The recording system according to claim 4, wherein the notifying unit notifies the recording medium remaining amount information to the outside after the recording is completed. 6. The notification means notifies the recording medium remaining amount information to the outside when the remaining amount of the recording medium is insufficient for executing the next recording reservation after the recording is completed. The recording system according to claim 4. 7. A first recording reservation managing means having a first storage means for storing the recording reservation information and a transmitting / receiving means for communicating the recording reservation information with the second recording reservation managing means, and the recording. The recording reservation information is communicated between a first recording means for recording according to the reservation information, a second recording means for recording in parallel with the first recording means, and the first recording reservation managing means. And a second recording reservation management unit having a transmitting / receiving unit for controlling the recording system. 8. In order to execute a recording reservation, the first
When the remaining amount of the recording medium of the video recording means is insufficient,
The recording system according to claim 7, wherein the second recording means records the reserved image. 9. The video recording system according to claim 7, wherein the first video recording means records the video simultaneously with the recording medium contained in the second video recording reservation management means.