JPH07272459A - Image recording/reproducing apparatus - Google Patents

Abstract

PURPOSE:To make the searching of a program easy in an image recording/ reproducing apparatus by a method wherein, at the time of the cusing of a program on a magnetic tape, a program list information stored beforehand is displayed and a favorite program is selected and, while the tape is searched for the cusing, the contents of the tape are displayed on a screen with high-speed pictures. CONSTITUTION:A program list information stored in a program list memory circuit 26 is read by a microcomputer 16 and, after the information is converted into a video signal by a read picture display circuit 15 and after an image information searched on a tape is read from an image memory 10 and subjected to D/A conversnon, both the information are added by an adder 12 and displayed on a display simultaneously. A favorite program which is an object for the cusing is inputted with an operation key 17 and the versing-up is performed in the simultaneous display state.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video recording / reproducing apparatus, and more particularly, to find a desired program at the beginning while performing high-speed quick-playback of tens or hundreds of times the recording speed. The present invention relates to a video recording / reproducing device having a function capable of performing.

[0002]

2. Description of the Related Art As an example of a conventional technique similar to such a video recording / reproducing apparatus, there is a search method described in Japanese Patent Laid-Open No. 1-190087 and a search method described in Japanese Patent Laid-Open No. 1-21075. it can.

In the search system described in Japanese Patent Laid-Open No. 190087/1989, a program cueing signal recorded on, for example, a control track of the tape is detected while the magnetic tape on which the program is recorded is fast-forwarded. Each time, the video signal for one screen of the program is taken into the image memory in a screen-reduced form and stored, and this is read out and displayed on the screen. Since the reduced screen captured in the image memory is displayed every time the cue signal is detected, it is possible to know the outline of the recorded contents of the program on the magnetic tape.

Further, in order to make it easy to understand the current tape position in the high-speed feed state, the reduced screen of the rewound program is identified by a cue signal which is detected again when rewound. By replacing with a signal, the search position is displayed on the screen in an easy-to-understand manner, and it is possible to quickly find the target program.

In the search method described in Japanese Patent Laid-Open No. 1-21075, a high-speed playback image can be displayed as a good image by having an image memory for one field and controlling the read / write clock of this image memory. I was doing.

[0006]

However, in the above-mentioned prior art, the recorded contents of the magnetic tape can be roughly known by displaying the reduced screen for each cue signal of the program, and rewinding can be performed at the time of rewinding. The current tape position can be known by replacing the reduced screen of the displayed program with a single signal, etc. It does not always represent the contents of the program being played,
After all, the user searches the beginning of the program while searching for whether or not the program is a desired program.

Further, with respect to the position of the program on the magnetic tape, it takes time because the tape is fast-forwarded and the contents are displayed by a cueing signal while the whole is wound and the user selects a desired program from there. There was a flaw. Further, it is necessary to have an image memory for one field to obtain a high speed search image.

An object of the present invention is to overcome the above-mentioned problems of the prior art and to start a desired program while performing high-speed fast-reading, which is tens or hundreds times the recording speed, under good image display. An object of the present invention is to provide a video recording / reproducing apparatus having a function that enables quick and reliable start-up and requires a small memory capacity.

[0009]

In order to achieve the above object, according to the present invention, a video signal is recorded on a magnetic tape by using a rotary head in a direction oblique to the traveling direction of the magnetic tape. , In a video recording / reproducing device such as a helical scan type for reproducing,

Index information storage means for storing the index information of the program recorded on the magnetic tape (storage medium) for each magnetic tape, and the identification number assigned to the magnetic tape are recorded on the video recording / reproducing apparatus. And an index number reading means for reading the index information of the magnetic tape from the index information storage means by using the read identification number of the magnetic tape as a key,

A screen character display circuit for converting the read contents information of the magnetic tape into a screen display signal and outputting the screen display signal, and a program included in the contents information of the magnetic tape installed in the video recording / reproducing apparatus. Cueing program designating means for selecting and designating a program to be cueed from, and searching for the program to be cueed, while performing a high-speed search by high-speed playback of a magnetic tape And a reproduction image generation means for generating and outputting a reproduction image signal for display as

Addition means for adding the screen display signal representing the table of contents information from the screen character display circuit and the reproduced image signal representing the high speed search image, and the addition result are displayed simultaneously with the table of contents information and the high speed search image. Therefore, an output circuit for outputting to the screen display means is provided.

[0013]

In the video recording / reproducing apparatus having the above structure, the index information storage means for storing the index information of the program recorded in the magnetic tape (storage medium) stores the information of the recorded program as the index information. . Here, the table-of-contents information refers to information about what kind of program is recorded at which position on the magnetic tape. For example, when a program or the like is recorded, it indicates information such as the recorded date, day of the week, program name, channel number, etc., and information on where the program is recorded on the tape.

A reproduction for generating and outputting a reproduction image signal for displaying a high-speed reproduction image as a high-speed search image during high-speed retrieval by high-speed reproduction of a magnetic tape (storage medium) in search of a program to be searched for. The image generating means practically generates the reproduced image signal on a (1 / n) reduced screen (where n is an integer) of the display screen, and is several tens times and several hundred times faster than the normal reproduction. It is convenient if the image signal reproduced from the running tape is taken into the image memory for the reduced screen, which requires far less than one field, and the time axis conversion is performed to output the video signal.

The addition result output from the addition means appears on the screen display means as the simultaneous display of the table of contents information and the high speed search image. In this way, in the present invention, it is possible to quickly and reliably perform the cueing of a desired program while performing high-speed fast-reading such as tens of times and hundreds of times at the time of recording under good image display, Moreover, the required memory capacity is small.

[0016]

1 is a block diagram showing the configuration of a helical scan type video recording / reproducing apparatus as an embodiment of the present invention. In the figure, 1 is a rotary magnetic head (one on each side, there are two in total), 2 is a magnetic tape, 3 is a winding and supply reel, 4 is a rotating cylinder, 5 is a pinch roller,
6 is a capstan, 7 is a magnetic head changeover switch,
Reference numeral 8 is a signal processing circuit, 9 is an analog / digital converter (hereinafter referred to as A / D converter), 10 is an image memory, 11 is a digital / analog converter (hereinafter referred to as D / A converter), and 12 is an addition circuit. .

In addition, 13 is a sync separation circuit, 14 is a memory controller, 15 is a screen character display circuit, 16 is a microcomputer (hereinafter microcomputer), 17 is an operation key, 18 is a table information reading / writing circuit, and 19 is a cue signal detection. A circuit, 26 is a table of contents information storage circuit, and 27 is a tape number identification circuit. The outline of the operation will be described below.

Referring to FIG. A magnetic head 1 mounted on a rotating cylinder 4 in contact with a magnetic tape 2 and rotating.
(Two on the left and right) alternately pick up a reproduction signal from the tape 2 every half rotation of the rotary cylinder 4. By switching this with the magnetic head changeover switch 7 and taking it out, a reproduction signal continuous in time is obtained.

Here, the magnetic head changeover switch 7
Of the two rotary heads 1 in contact with the magnetic tape 2,
Depending on which one is in contact, the reproduction signal on the contacting side is selected and switched out. The switching timing is a sensor (not shown) of a magnetic field generated by a magnet (not shown) attached to the rotary cylinder 4.
It is generally obtained by detecting with.

The reproduced signal thus obtained is sent to the signal processing circuit 8, where it is converted and output as an RF signal or a baseband video signal. on the other hand,
The reproduction signal is also sent to the tape number identification circuit 27. Here, after mounting the tape 2 on the video recording / reproducing apparatus, the identification circuit 27 reads the identification number of the tape 2 from the reproduction signal thus supplied via the magnetic head changeover switch 7, Microcomputer 16
(Tape identification number information)

After the tape number is recognized by the microcomputer 16, the index information reading / writing circuit 18 is instructed to read the index information corresponding to the tape identification number from the index information storage circuit 26. The table-of-contents information reading / writing circuit 18 reads the table-of-contents information from the table-of-contents information storage circuit 26, and sends the table-of-contents information to the microcomputer 16. The table of contents information storage circuit 26 includes
The table of contents information is stored in advance for each magnetic tape.

The microcomputer 16 manages the table of contents information of the mounted magnetic tape. Here, the identification number of the tape may be written on the tape itself, or a magnetic tape or the like may be attached to a portion other than the tape, for example, the side of the cassette and written on this. When writing on the tape itself, always write on the control track or during the blanking period of the video signal while the program being recorded is being recorded at the beginning of the tape, the part from which the cassette was removed, or the like. good.

As described above, the table of contents information contains information about what position is recorded on the magnetic tape and what program is recorded. For example, when a program or the like is recorded, information such as the recorded date and day of the week, program name, channel number, etc., and information on where the program is recorded on the tape are recorded. . The cue signal detection circuit 19 detects a cue signal recorded on the tape each time a program is recorded on the tape. Information on the cue signal detected by the cue signal detection circuit 19 is sent to the microcomputer 16.

In the microcomputer 16, a magnetic tape is transferred to a target program from the table of contents information and the detected cue signal on the basis of a command for designating a program to be cueed by the user, which is input from the operation key 17. It issues control commands to advance, rewind, or stop the tape while searching the contents.

In the microcomputer 16, tape running information (running system information such as reel table pulse, capstan motor rotation pulse, control signal pulse, etc.).
Then, the speed of the tape currently running is calculated based on this, and the tape running control is performed by controlling the motor (not shown) that drives the tape so that the target tape speed is reached.

Further, the microcomputer 16 manages the table of contents information, the program targeted for cueing designated by the user with the operation keys 17, the current position of the running magnetic tape which is found by detecting the cueing signal, Various information such as is sent to the screen character display circuit 15 as information to be displayed on the screen. Based on this information, the screen character display circuit 15 generates a screen display signal and supplies it to the addition circuit 12.

On the other hand, the signal is converted by the signal processing circuit 8 and R
The signal output as the F signal or the baseband video signal is supplied to the A / D converter 9 and the analog signal is converted into a digital signal. This digital signal is supplied to the image memory 10. Further, the signal generated by the signal processing circuit 8 is supplied to the synchronization signal separation circuit 13. The signal supplied to the sync signal separation circuit 13 is separated from the sync signal here, and the sync signal is supplied to the memory controller 14.

In the memory controller 16, a write clock for writing a video signal in the image memory 10 and a read clock for reading are written in the image memory 10 in accordance with the cycle of the synchronizing signal whose cycle changes at a high speed reproduction of several tens or several hundred times. Control the read clock. By the write clock controlled by the memory controller 16, the video signal converted into the digital signal by the A / D conversion described above is transferred to the image memory 10
The digital signal written in the image memory 10 is read by the read clock controlled by the memory controller 16.

Here, the write clock and the read clock will be described. In the standard reproduction, the writing clock and the reading clock have the same cycle, but in the case of fast-forwarding, the writing clock becomes slower, and in the case of rewinding, the writing clock becomes faster. The read clock is always the clock with the same cycle as in standard playback. The writing clock is controlled by the microcomputer 16 based on the tape speed information.

When the screen is displayed as a reduced screen, the image memory 10 does not need to have a memory capacity for one field, but a part of the screen, for example, one-third of one screen.
Therefore, it may be about 1/4. The digital signal read from the image memory 10 is supplied to the D / A converter 11. The video signal converted into the analog signal by the D / A converter 11 is supplied to the adding circuit 12.

In the adder circuit 12, the screen display signal which is the output from the screen character display circuit 15 and the D / A
The video signal which is an analog signal from the converter 11 is added. The added signal is output to the display (image display means) as a video signal.

FIG. 2 is an explanatory diagram showing a screen display example of the video signal output from the adding circuit 12 in FIG. 1 on the television receiver (display). In FIG. 2, the microcomputer 16 in FIG.
It can be seen that the table-of-contents information read via the is displayed as a list of the tape table-of-contents information, and the video signal read from the image memory 10 is displayed as a search image in a reduced size on a part of the screen. .

Further, 1 to 5 are provided as the tape table of contents information of FIG.
, The current position of the running tape is indicated by a black triangle (indicated by 2). Further, the program information 4 is displayed surrounded by a rectangular frame, which means that this program is the program to be searched for specified by the user.

In FIG. 1, the user presses the operation key 17 to select 4
By instructing the first program 4 to be cued, the microcomputer 16 causes the screen display shown in FIG. 2 to be displayed and causes the tape to run at high speed toward the instructed target program 4.
At that time, a high-speed search image of the program (black triangle in FIG. 2) in which the tape is currently running is displayed on a part of the screen as shown in FIG. The black triangle mark indicating the current position of the tape on the table of contents moves to the next table of contents position each time the cue signal of the next program is detected. When the cue signal of the target program is detected, the microcomputer 16 stops the fast forward of the tape,
Move to standard playback or stop the tape.

As described above, according to this embodiment,
You can select the program to be cueed from the table of contents information,
Moreover, the contents of the program in the middle of searching for the selected program can be displayed on a part of the screen as a sufficient image display by a high-speed search which is several times or several hundred times faster than the normal reproduction. Since the cue is performed while watching the high-speed search image, there is an advantage that the cue can be performed quickly and with high reliability. Since it is a reduced screen, the image memory capacity can be small.

The image memory has been described as a field memory, but if it is a frame memory, one frame of video signal can be stored and then read and displayed.
It is often convenient for signal processing.

FIG. 3 is a block diagram showing another embodiment of the present invention. The same elements as in the embodiment of FIG. 1 are numbered the same. The difference from the embodiment of FIG. 1 is that a line memory 20 is used as the image memory 10. Besides, in FIG. 3, 21 is a line memory controller.

An outline of the operation will be described below with reference to FIG. 3, focusing on the points different from that of FIG. The reproduction signal taken out from the rotary magnetic head is supplied to the A / D converter 9 as an RF signal. The reproduced signal converted into a digital signal by the A / D converter 9 is supplied to the line memory 20. In this line memory 20, a video signal for one line is written by a write clock and read by a read clock.

The line memory controller 21 controls the write clock and the read clock.
The line memory controller 21 changes the write clock, which changes according to the tape speed, according to information from the microcomputer 16. Line memory controller 2
The signal read by the read clock from the No. 1 is supplied to the D / A converter 11, and this D / A converter 1
At 1, the digital signal is converted to an analog signal.

The converted analog signal is supplied to the signal processing circuit 8 and converted into a video signal (video signal) which can be displayed on the display. The signal converted by the video signal processing circuit 8 is supplied to the adding circuit 12. The adder circuit 12 adds the signal from the signal processing circuit 8 and the signal from the screen character display circuit 15 to generate a video signal to be displayed on the display, and supplies the video signal to the television receiver (display). .

As described in the embodiment shown in FIG. 1, the table-of-contents information read / write circuit 18 refers to the identification number of the tape to obtain a table of contents from the table-of-contents information storage circuit 26 at which position on the tape and what program is recorded. Microcomputer 16 that reads information
The information is supplied to the microcomputer 16 based on the information,
The tape running control is performed according to the command of the desired program selected from the operation key 17.

The screen character display circuit 15 is supplied with the tape index information from the microcomputer 16 and generates a screen signal for displaying the index information on the screen. This screen signal is supplied from the screen character display circuit 15 to the addition circuit 12.
As described in the embodiment of FIG. 1, the table-of-contents information read / write circuit 18 refers to the tape identification number to determine which program is recorded from the table-of-contents information storage circuit 26 at which position on the tape. The information is read and the information is sent to the microcomputer 16.

Further, when a program is recorded on the magnetic tape, the information of that is written in the table-of-contents information storage circuit 26 through the table-of-contents information read / write circuit 18 to update the information of the table-of-contents information storage circuit 26. Further, the cue signal detection circuit 19 sends a detection signal to the microcomputer 16 each time it detects a cue signal of a program recorded on the tape.

FIG. 4 is an explanatory diagram showing a screen display example on the display of the video signal output from the adding circuit 12 in FIG. As shown in FIG. 4, it can be seen that a list of the tape table of contents information created by the table of contents information is displayed. In addition, the table of contents information indicates in which part of the tape the current running position is located. In the case of FIG. 4, a black triangle mark is displayed next to the second program 2.

For example, when it is desired to cue the fourth program 4, the microcomputer 16 issues a tape toward the target program by instructing to cue the fourth program with the operation keys 17 in FIG. Because it runs at high speed, at that time,
A high-speed search image of the program where the tape is currently displayed is displayed on a part of the screen.

The black triangle mark indicating the current position of the tape on the table of contents moves to the next table of contents position each time the cue signal of the next program is detected. When the cue signal of the target program is detected, the fast-forwarding of the tape is stopped and the standard playback is started or stopped. In the case of this embodiment, since the line memory 20 is used as the image memory, it is not possible to display the high-speed search image being searched on a part of the screen as in the embodiment of FIG. 1, but the operation keys in FIG. With the command of 17, it is possible to see the high-speed search image being searched. Further, as shown in FIG. 5, it is possible to display the information of the cue program, the information of the current position, etc. on a part (upper end or lower end) of the high-speed search image being searched.

As described above, according to this embodiment,
A program can be selected by the table of contents information displayed when the tape is attached, and the contents of the program in the middle of searching the selected program can be searched several times or hundreds times faster than normal playback. One line can be displayed on the screen.
Compared with the embodiment of FIG. 1, the high-speed search image is displayed line by line, which is difficult to see, but the memory capacity is small and the cost can be reduced.

FIG. 6 is a block diagram showing still another embodiment of the present invention. The same elements as in the embodiment of FIG. 1 are numbered the same. The difference from the embodiment of FIG. 1 is that
The medium for storing the video signal is not limited to the magnetic tape, but is generally a storage medium 23 and a timer reservation device 22 is added. The outline of the operation will be described below.

Referring to FIG. When a video signal is reproduced from a storage medium 23 that stores a video signal, such as magnetic recording or optical recording, the A / D converter 9 converts the video signal into a digital signal. The signal converted into the digital signal is supplied to the image memory 10. The digital signal supplied to the image memory 10 is written to and read from the image memory 10 by a writing clock and a reading clock controlled by the memory controller 14.

The memory controller 14 controls the writing clock that changes according to the speed at which the video signal is reproduced, according to the information from the microcomputer 16. The read clock is controlled so that it has the same cycle as that during standard playback. The digital signal read from the image memory 10 is supplied to the D / A converter 11,
Converted to analog signal. The signal converted into the analog signal by the D / A converter 11 is supplied to the adding circuit 12.

On the other hand, the identification number of the storage medium 18 is recorded from the storage medium 18, and the identification number is read by the number identification circuit 27 and recognized by the microcomputer 16. The microcomputer 16 instructs the table-of-contents information read / write circuit 18 to read out the table-of-contents information of the table-of-contents information storage circuit 26 based on the identification number. In the table-of-contents information storage circuit 26, table-of-contents information indicating what kind of program is stored in which position in the storage medium 18 of the identification number is recorded. Read it.

The index information read by the index information reading / writing circuit 18 is sent to the microcomputer 16. This microcomputer 16
At, the table of contents information is managed, and the program to be searched for is controlled by a program search command from the operation key 17. The cue signal detection circuit 19 sends a detection signal to the microcomputer 16 each time it detects a cue signal from the storage medium 23. The microcomputer 16 recognizes the program currently searched based on the detection signal.

The microcomputer 16 also supplies the screen character display circuit 15 with information such as the table of contents and the program currently being searched. Based on this information, the screen character display circuit 15 generates a signal to be displayed on the screen and supplies it to the addition circuit 12. The adder circuit 12 adds the signal supplied from the D / A converter 11 and the signal supplied from the screen character display circuit 15 to generate a video signal to be displayed on the screen.

The timer reservation operation key 22 is operated when a program is timer-reserved and is stored in the microcomputer 16.
When recording a timer-reserved program, the image memory 10 captures the beginning of the recording of the program as a still image in the image memory. The captured image information is stored as still image information in the index information storage circuit 26 through the index information read / write circuit 18 together with the cue signal.

Alternatively, when the recording of the program is finished, the program is returned to the part where the recording of the program is started, and the still image captured in the image memory is recorded in the cue signal part. The still image information is read again when the table of contents information is read, and the still image information is displayed on the screen together with the table of contents information.

FIG. 7 is an explanatory diagram showing a screen display example on the display of the video signal output from the adding circuit 12 in FIG. In FIG. 7, it can be seen that a list of the table of contents of the programs created by the table of contents information is displayed. At this time, the still image information stored when the program was recorded is also displayed on the reduced screen next to the table of contents information. This is convenient because the contents of the table of contents information can be intuitively understood.

Further, the position of the tape currently being reproduced is displayed by the table of contents information. In the case of FIG. 7, a black triangle mark is displayed next to the first program 1. For example, if you want to cue the fourth program, use the operation key 17 in FIG.
By issuing a command to cue the fourth program, the microcomputer 16 causes the storage medium 23 to cue to the target program.
Control and fast forward.

At this time, as shown in FIG. 8, while displaying the table of contents information, the search image of the program at the tape position currently being searched may be displayed on a part of the screen. Each time the cueing signal is detected, it moves to the next index position, and the screen position of the reduced screen also moves to display the high-speed search image currently being searched. When the cue signal of the target program is detected, fast-forwarding is stopped, and standard playback is started or stopped.

As described above, according to this embodiment,
When searching for a program in the storage medium 23 in which the program is recorded, the first still image or the like that was stored when the program was recorded is displayed in addition to the information as to when the program was recorded, and the still image is displayed. Since the program can be selected by the table of contents information combined with the program selection, the program selection can be done intuitively easily, and the contents of the program in the middle of searching for the selected program can be tens to hundreds times as large as the normal playback. A high-speed search image can be displayed on a part of the screen, which is convenient.

FIG. 9 is a block diagram showing still another embodiment of the present invention. The same elements as in the embodiment of FIG. 1 are numbered the same. The difference from the embodiment of FIG. 1 is that the medium for storing the video signal is not limited to a magnetic tape, but is generally a storage medium 23, and the signal processing circuit is a digital signal processing circuit 24 in particular. It is a point. The outline of the operation will be described below.

Referring to FIG. Storage medium 23 for storing video signals as digital signals, such as magnetic recording or optical recording
When the video signal is reproduced from, it is supplied to the image memory 10. The digital signal supplied to the image memory 10 is
Writing and reading to and from the image memory 10 are performed by the writing clock and the reading clock controlled by the memory controller 14.

The memory controller 14 controls the write clock that changes according to the speed at which the video signal is reproduced, according to the information from the microcomputer 16. The read clock is controlled so that it has the same cycle as that during standard playback. The digital signal read from the image memory 10 is supplied to the digital signal processing circuit 24, and the signal processed by the digital signal processing circuit 24 is supplied to the adding circuit 12.

On the other hand, the identification number of the storage medium 23 is recorded from the storage medium 23, and the number is read by the number identification circuit 27 and recognized by the microcomputer 16.
The microcomputer 16 instructs the table-of-contents information read / write circuit 18 to read out the table-of-contents information of the table-of-contents information storage circuit 26 based on the identification number. The table-of-contents information storage circuit 26 stores table-of-contents information indicating what kind of program is stored in which position in the storage medium 23 having the identification number.
It is read by the table-of-contents information read / write circuit 18 according to the instruction from.

The table-of-contents information read by the table-of-contents information read / write circuit 18 is sent to the microcomputer 16. This microcomputer 16
In (1), the table of contents information is managed, and a program to be searched for is controlled by a program search command from the operation key 17. The cue signal detection circuit 19 sends a detection signal to the microcomputer 16 each time it detects a cue signal from the storage medium 23. Microcomputer 1
At 6, the program currently being searched is recognized based on the detection signal.

The microcomputer 16 also supplies the screen character display circuit 15 with the table of contents information and the information about the program currently being searched. Based on this information, the screen character display circuit 15 generates a signal to be displayed on the screen and supplies it to the addition circuit 12.
The adder circuit 12 adds the signal processed by the digital signal processing circuit 24 and the signal supplied from the screen character display circuit 15 to generate a video signal to be displayed on the screen.

The screen display example on the display of the video signal is the same as that of FIGS. 7 and 8 described above, and therefore the description will not be repeated. In the digital signal processing circuit 24, the color of the search image on the reduced screen becomes poor at the time of high-speed search which is several hundred times faster than normal reproduction. Therefore, the screen character display circuit 15 for displaying the table of contents information displays the table of contents information. It is possible to clarify which program is currently being searched for by coloring the search image and coloring the search image in accordance with the table of contents information.

As described above, according to the present embodiment, when searching the contents of the storage medium 23 in which a program is recorded by a digital signal, it is stored when the program is recorded other than the information of what program was recorded and when. The displayed still image is also displayed as a part of the table of contents information, and the program can be selected by the table of contents information that also includes the still image, which makes it possible to intuitively select the program, and the program until the selected program is reached. This is convenient because the contents of can be displayed on a part of the screen with a high-speed search image that is several tens to several hundreds of times faster than normal playback.

[0068]

As described above, according to the present invention,
In the video signal recording / reproducing apparatus, the following effects can be expected in the cueing operation of a program. (B) While searching for a desired program, the content can be viewed in a high-speed quick view, and it is convenient because it is intuitively easy to confirm that the program is the desired program. (B) It can be realized with a small memory capacity. (C) A desired program can be quickly found.

[Brief description of drawings]

FIG. 1 is a block diagram showing the configuration of a helical scan type video recording / reproducing apparatus as an embodiment of the present invention.

FIG. 2 is an explanatory diagram showing a screen display example on a display of a video signal output from an addition circuit 12 in FIG.

FIG. 3 is a block diagram showing another embodiment of the present invention.

4 is an explanatory diagram showing a screen display example on a display of a video signal output from an adding circuit 12 in FIG.

5 is an explanatory diagram showing another screen display example on the display of the video signal output from the addition circuit 12 in FIG.

FIG. 6 is a block diagram showing still another embodiment of the present invention.

7 is an explanatory diagram showing a screen display example on a display of the video signal output from the addition circuit 12 in FIG.

8 is an explanatory diagram showing another screen display example on the display of the video signal output from the adding circuit 12 in FIG.

FIG. 9 is a block diagram showing still another embodiment of the present invention.

[Explanation of symbols]

1 ... Rotary magnetic head, 2 ... Magnetic tape, 3 ... Reel, 4
... rotary cylinder, 5 ... pinch roller, 6 ... capstan, 7 ... changeover switch, 8 ... signal processing circuit, 9 ... analog / digital converter, 10 ... image memory, 11 ...
Digital / analog converter, 12 ... Adder circuit, 13 ... Synchronous separation circuit, 14 ... Memory controller, 15 ... Screen character display circuit, 16 ... Microcomputer, 17 ... Operation keys, 18 ... Table of contents (index) information read / write circuit,
19 ... Cue signal detection circuit, 20 ... Line memory, 21
... line memory controller, 22 ... timer reservation device,
23 ... Storage medium, 24 ... Digital signal processing circuit, 25
... Television receiver (display), 26 ... Contents information storage circuit, 27 ... Tape number identification circuit

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Masayuki Kijima Inventor Masayuki Kijima 292 Yoshida-cho, Totsuka-ku, Yokohama-shi Kanagawa Ltd.

Claims (10)

[Claims] 1. A helical scan type video recording / reproducing apparatus which records and reproduces a video signal on a magnetic tape by using a rotary head in a direction oblique to the traveling direction of the magnetic tape. When the magnetic tape is attached to the video recording / reproducing apparatus, the index information storage means for storing the index information of the program recorded on the tape for each magnetic tape and the identification number given to the magnetic tape An identification number reading means for reading, a table of contents information reading means for reading the table of contents information of the magnetic tape from the table of contents information storing means by using the read identification number of the magnetic tape as a key, and a screen display signal for reading the table of contents information of the magnetic tape. Included in the screen character display circuit for converting to and outputting and the table of contents information of the magnetic tape installed in the video recording / reproducing apparatus. A cue program designating means for selecting and designating a cue target program from the set, and a fast playback image during a fast search by a fast playback of the magnetic tape for the program to be the cue target. Reproduction image generation means for generating and outputting a reproduction image signal for displaying as a high-speed search image, a screen display signal representing the table of contents information from the screen character display circuit, and a reproduction image signal representing the high-speed search image, A video recording / reproducing apparatus comprising: an addition means for adding the above, and an output circuit for outputting the addition result to the screen display means for simultaneous display of the table of contents information and the high-speed search image. 2. The video recording / reproducing apparatus according to claim 1, wherein the reproduced image generating means includes at least a field memory or a frame memory, and after capturing a screen signal for one screen to be displayed in the memory, A video recording / reproducing apparatus comprising means for outputting a reproduced image signal for one screen. 3. The video recording / reproducing apparatus according to claim 1, wherein the reproduced image generating means includes at least a line memory and takes in a screen signal for one line in one screen to be displayed into the memory. A video recording / reproducing apparatus characterized by comprising means for sequentially outputting a reproduced image signal for one line. 4. The video recording / playback apparatus according to claim 1, wherein the playback image generation means reduces the image signal for one screen to (1 / n) times the display screen (where n is an integer). As a reduced playback image signal that can be displayed as
A video recording / reproducing apparatus comprising output means. 5. The video recording / reproducing apparatus according to claim 1, 2, 3 or 4, wherein the index information stored in the index information storage means is a combination of character information and still image information. Video recording / playback device. 6. A video recording / reproducing apparatus for recording / reproducing a video signal on / from a storage medium, wherein index information storage means for storing the index information of a program recorded on the storage medium for each storage medium is provided to the storage medium. When the storage medium is attached to the video recording / reproducing apparatus, the identification number is read from the table of contents information storage means using the identification number of the storage medium read as a key. Table-of-contents information reading means for reading the table-of-contents information, a screen character display circuit for converting the read table-of-contents information of the storage medium into a screen display signal and outputting the screen display signal, and a table of contents of the storage medium installed in the video recording / reproducing apparatus. Finding a cueing program designating means for selecting and designating a program to be cueed from programs included in the information, and the program to be a cueing target. During high-speed search by the high-speed reproduction of 憶媒 body,
Reproduction image generating means for generating and outputting a reproduction image signal for displaying a high-speed reproduction image as a high-speed search image, a screen display signal representing the table of contents information from the screen character display circuit, and a reproduction representing the high-speed search image. A video recording / reproducing device comprising: an addition unit for adding the image signal; and an output circuit for outputting the addition result to the screen display unit for simultaneous display of the table of contents information and the high-speed search image. apparatus. 7. The video recording / reproducing apparatus according to claim 6, wherein the reproduced image generating means includes at least a field memory or a frame memory, and after capturing a screen signal for one screen to be displayed in the memory, A video recording / reproducing apparatus comprising means for outputting a reproduced image signal for one screen. 8. The video recording / reproducing apparatus according to claim 6, wherein the reproduced image generating means includes at least a line memory and fetches a screen signal for one line in one screen to be displayed into the memory. A video recording / reproducing apparatus characterized by comprising means for sequentially outputting a reproduced image signal for one line. 9. The video recording / reproducing apparatus according to claim 6, wherein the reproduced image generating means reduces the image signal for one screen to (1 / n) times the display screen (where n is an integer). As a reduced playback image signal that can be displayed as
A video recording / reproducing apparatus comprising output means. 10. The video recording / reproducing apparatus according to claim 6, 7, 8 or 9, wherein the table-of-contents information stored in the table-of-contents information storage means is a combination of character information and still image information. Video recording / playback device.