JPH06267253A - Recording and reproducing device - Google Patents

Abstract

PURPOSE:To facilitate the identification of the contents of a tape by identifying the tape with a recording and reproducing means when the cassette tape is inserted into a VTR and displaying the information of recording contents and the information on that any recording part on the tape is reproduced on a display means after they are stored in a storage means. CONSTITUTION:The identification signals are impressed to plural cassette tapes respectively previously, and the signal is reproduced when the tape is inserted into the VTR, and the fact that any tape is inserted is identified by the VTR. Then, a storage area in a memory 33 for system control is specified using the identification signal, and the contents are displayed on the display means 34 when the contents display command is issued from an input means 32. Further, for performing the recording and the reproducing, the attribute information on the recording and the reproducing are stored in the storage area of the memory 33 to be displayed on the means 34 also. Further, the order of new recorded date, the order of old recorded date and the tape not yet reproduced are selected by the means 32. In such a manner, the information is controlled according to the contents of operation.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recording / reproducing apparatus having a recording medium of the recording / reproducing apparatus, which is provided with identification means for identifying each recording medium.

[0002]

2. Description of the Related Art In a conventional device, for example, an S-VHS V
In TR, as in "HiVi" November 1991 issue (Stereo Sound Co., Ltd.) P130-P131, a label with a barcode is attached to a cassette tape, and the tape is read by reading the barcode. However, a device for storing the contents recorded by the VTR is described.

[0003]

DISCLOSURE OF INVENTION Problems to be Solved by the Invention
A label with a barcode for identifying the cassette tape is attached to the cassette tape case to identify the cassette tape. In this method, it is necessary to attach a label with a barcode for identifying the cassette tape, and if the label is not attached, the tape cannot be identified. Therefore, when the label is not attached, the contents recorded by the user are recorded one by one on the label of the cassette tape, or the user reproduces the cassette tape once and records it. I had to confirm the contents.

An object of the present invention is to easily grasp the contents of all cassette tapes by automatically identifying the cassette tapes one by one.

[0005]

In order to achieve the above object, the present invention comprises a recording means for recording data on a recording medium, and a recording means for reproducing the data recorded on the recording medium. In the reproducing apparatus, recording / reproducing means for recording / reproducing a signal for identifying the recording medium to / from the recording medium, and recording start time, recording end time, and recording related to recording / reproduction performed on the recording medium. The recording medium in which a part or all of the recording / reproducing attribute information such as the start medium position, the recording end medium position, the input selection of the recorded data, the medium position where the reproduction of the recorded data is started, and the reproduction end medium position are identified. To the recording medium, display means for displaying the recording / reproducing attribute information respectively stored in the recording medium, and recording / reproducing means for displaying on the display means. An input means for selecting the attribute information provided.

[0006]

With the above-described structure, the VTR is identified by the recording / reproducing means for automatically recording / reproducing the signal for identifying the cassette tape when the cassette tape is inserted,
Information about the recorded contents of each cassette tape and whether or not the recorded portion on the tape has been reproduced are stored in the storage means, and the contents can be grasped by displaying the information on the display means.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings.

FIG. 1 shows a VHS-VTR tape format. In FIG. 1, 1 is a tape, 2
Is a track on which a video signal and an audio signal are recorded, 3 is a track on which a control signal (hereinafter abbreviated as CTL) is recorded, and 5 is a track of an analog audio signal.
In this CTL track, VISS. A cueing signal called VASS, a song number, etc. are recorded. In this CTL signal recording area, a signal for identifying the cassette tape whose format is defined by multiplexing the current CTL signal and changing the duty ratio of the control signal, for example,
For example, recording may be performed at the beginning of the cassette tape or at regular intervals. The portion in which the identification signal is recorded is reproduced, for example, when the tape is inserted, and the identification signal is read to identify the cassette tape. This identified signal should always be stored in memory. For an unrecorded cassette tape such as a cassette tape for which an identification signal has not been set, another identification signal that has not been set up to now is set so that it is recorded in a predetermined portion. . By always storing the identified signal in the memory, it is possible to distinguish between the identification signal set so far and the unused identification signal.

FIG. 2 shows a block configuration of a VTR system. In the figure, 21 is a signal input, 22 is a recording signal processing circuit, 23 is a recording amplifier, 24 is a cylinder, 2
5 is a tape, 26 is a reproduction amplifier, 27 is a reproduction signal processing circuit, 28 is a signal output, 29 is a cassette tape identification block, 30 is a whole system block for recording and reproduction, 31
Is a system control, 32 is an input means, 33 is a system control memory, and 34 is a display means. In the entire recording / reproducing block 30, first, at the time of recording, a signal is input from the signal input 21 and converted into a format to be recorded on the tape 25 by the recording signal processing circuit 22. At this time, the cassette tape identification block 29 sets a cassette tape identification signal and mixes it with the recording data in a predetermined format. This recording data is recorded by the recording amplifier 23.
And is recorded on the tape 25. At the time of reproduction, the signal reproduced from the tape 25 passes through the reproduction amplifier 26,
It is processed by the reproduction signal processing circuit 27. This signal is output from the signal output 28. Here, the cassette tape discrimination block 29 identifies the cassette tape from the reproduced signal. With respect to the recording / reproducing system 30 configured as described above, the user commands the operation by the input means 32, and according to the command, the system control 3
1 controls the recording / reproducing system 30. A memory 33 is provided for storing information related to recording / reproduction for the operation. Further, the operation contents and the contents stored in the memory can be displayed by the display means 34.

In the system control memory 33,
Information related to the cassette tape is stored for each cassette tape identified by the cassette tape identification block 29. For example, the recording start and end times, the input at the time of recording, the recording position on the tape, the reproduction position, the recording mode, the information input from the input means 32, and the like. In this way, the contents of the tape can be managed by storing the information regarding the recording / reproducing of each cassette tape inside the VTR and displaying it by using the display means 34 as needed. Further, in the system control memory 33, when the identification signal is not added to the cassette tape, another identification signal which has not been used so far is set and newly stored, so that the identification signal is not registered. It is possible to manage tape contents even for cassette tapes.

FIG. 3 shows an example of the stored contents of the system control memory 33 shown in FIG. 2 and its display. The numbers in the figure that are the same as those in FIG. 2 indicate the same items. The system control memory 33 stores information related to each cassette tape identified by the cassette tape identification block 29. For example, the recording start and end times, the input at the time of recording, the recording position on the tape, the reproduction position, the recording mode, the information input from the input means 32, and the like.

For example, for five cassette tapes,
It is assumed that the identification signal of a certain cassette tape is a, the identification signal of a certain cassette tape is b, and the identification signal of a certain cassette tape is c. When these cassette tapes are inserted in the VTR, the identification signals recorded in each are reproduced, and the VTR identifies which cassette tape has been inserted. The storage area in the system control memory 33 is designated by this identification signal.
For example, if the inserted cassette tape has the identification signal a, the storage area a is designated. When a command to display the contents of the cassette tape is input by the input unit 32, the contents of the storage area a are displayed by the display unit 34.
Display using. When further recording or reproducing is performed on this cassette tape, the attribute information regarding the recording / reproducing is stored in the storage area a in the system control memory 33. Similarly, also in the case of the cassette tape b and the cassette tape c, the attribute information can be stored in the storage area in the system control memory 33 at the time of recording / reproducing and can be displayed by the display means 34. Here, when a cassette tape in which the identification signal is not recorded is inserted, the identification signal d or the identification signal e which has not been used as the identification signal is set automatically or by the input means 32 to identify the predetermined portion. While recording the signal,
By designating a storage area in the system control memory 33, it becomes possible to manage the attribute information relating to recording and reproduction for all cassette tapes. The order of displaying the contents stored in the system control memory 33 by the display means 34 is such that the recorded date and time are newest, oldest, and those which have not been reproduced are displayed first. The input means 32 allows selection. Further, in the case of reproducing, the content displayed by the display means 34 is simply selected by the input means 32, and the recording start position of the content is automatically read out from the attribute information relating to the recording / reproduction and set to the recording start position. At the time of recording, read the attribute information related to recording / playback and judge whether or not the recorded content is played back, and either send the tape to the playback end position, or leave it unrecorded depending on the recording end position. Select to send the tape to the position.

Next, another embodiment relating to the present invention is shown in FIG.
It will be described in detail based on. FIG. 4 shows an 8 mm-VTR tape format. In FIG.
Reference numeral 51 is a tape, 52 is an area where a video signal is recorded, 53 is an area where an audio signal is recorded, 54 is an area where a video subcode signal (hereinafter abbreviated as VSC) is recorded, and 55 is an AUX track. Is. This VS
In the area C, a cue signal, a song number, a time code, etc. are recorded. In this recording area, a signal for identifying the cassette tape is recorded, for example, at the beginning of the tape or at regular intervals. When the cassette tape is inserted, the portion where the identification signal is recorded is read to identify the cassette tape.

Next, another embodiment relating to the present invention is shown in FIG.
It will be described in detail based on. FIG. 5 shows a data format of VTR digital voice, for example, PCM voice of 8 mm-VTR. 61 is a sync signal, 62 is ID data, 63 is a block address indicating the position of data in the data format, 64 is a parity code added to the ID code 62 and the block address 63, 65 is audio data, and 66 is error correction. It is a code. Among these, the ID data 62 records the sampling frequency, the number of channels, the audio mode, the availability of digital copying, and the like. In addition to these data, the cassette tape identification signal is recorded in an area that is not currently used. This makes it possible to identify the cassette tape and manage the contents for each cassette tape.

Although the present invention has been described by taking the case of using the VTR as an example, the present invention can be applied to other audiovisual recording / reproducing apparatus such as a video disc.

[0016]

As described above, according to the present invention, the identification signal for identifying the recording medium is recorded without the user's awareness in managing the recorded contents of the recording medium, and the identification is performed. It is possible to manage the contents of the recording medium by automatically reproducing the signal. Therefore, the user does not need to record a signal for identifying the recording medium or record the contents in a table, and the recorded contents can be known only by inserting the recording medium. To do.

[Brief description of drawings]

FIG. 1 is a VHS-VTR to which an embodiment of the present invention is applied.
3 is a diagram showing a tape format of FIG.

FIG. 2 is a system block diagram of a VTR showing the configuration of the present invention.

FIG. 3 is a diagram showing an example of stored contents of a VTR system control memory of the present invention and a display thereof.

FIG. 4 is an 8 mm-V to which another embodiment of the present invention is applied.
It is a figure which shows the tape format of TR.

FIG. 5 is an 8 mm-V to which another embodiment of the present invention is applied.
It is a data block diagram of TR.

[Explanation of symbols]

 1 ... Tape, 2 ... Track on which video signal and audio signal are recorded, 3 ... CTL track, 5 ... Analog audio signal track, 21 ... Signal input, 22 ... Recording signal processing circuit, 23 ... Recording amplifier, 24 ... Cylinder, 25 ... Tape, 26 ... Reproduction amplifier, 27 ... Reproduction signal processing circuit, 28 ... Signal output, 29 ... Cassette tape identification block, 30 ... System whole block for recording / reproducing, 31 ... System control, 32 ... Input means, 33 ... System control memory, 34 ... Display means, 51 ... Tape, 52 ... Area where video signal is recorded, 53 ... Area where audio signal is recorded, 54 ... Video subcode signal, 55 ... AUX track , 61 ... Sync signal, 62 ... ID data, 63 ... Block address, 64 ... Parity code 65 ... audio data, 66 ... error-correcting code.

Claims (4)

[Claims] 1. A recording / reproducing apparatus comprising recording means for recording data on a recording medium and reproducing means for reproducing data recorded on the recording medium, wherein a signal for identifying the recording medium is provided. A recording / reproducing apparatus having recording / reproducing means for recording / reproducing on / from a recording medium. 2. The recording / reproducing apparatus according to claim 1, wherein a recording start time, recording end time, recording start medium position, recording end medium position, and recording data input selection relating to recording / reproduction performed on the recording medium. A part of or all of the recording / reproducing attribute information such as a medium position at which reproduction is started for the recorded data and a reproduction ending medium position is stored in the identified recording medium. Recording / playback device. 3. A recording / reproducing apparatus according to claim 2, wherein display means for displaying said recording / reproducing attribute information stored in said recording medium and said recording / reproducing attribute information to be displayed on said display means are selected. A recording / reproducing apparatus having input means for 4. The recording / reproducing apparatus according to claim 2, wherein when the data recorded on the recording medium is reproduced, the recording is stored in the storage means so that the recorded data can be reproduced immediately. When the start medium position is read, the recording medium is moved so that the recording start medium position portion of the recorded data can be immediately reproduced, and when the data is recorded on the recording medium, it is stored in the storage means. The recording / reproducing apparatus is characterized in that the recorded recording medium position is read, and the recording medium is moved so that recording can be performed immediately from the recording recording medium position where the recording of the data is completed.