JPH099191A - Camcorder - Google Patents

Abstract

PURPOSE: To detect automatically a retrieval start position of an object image at retrieval by recording a program-search signal denoting a retrieval start position of an object image desired to be retrieved to a control track of a magnetic tape when the picked-up object image is recorded on the magnetic tape. CONSTITUTION: When a still image of a picked-up object is recorded on a magnetic tape T in a camcorder 1B, a program-search signal H denoting a still image recording start position being a retrieval start position of a still image is recorded on a control track CT of the magnetic tape T, and when a recorded still image is retrieved, the program-search signal is automatically detected to reach the still image recording position while fast-rewinding or fast-feeding the magnetic tape. Moreover, in the case of connection to an external device 40, after the program-search signal H is automatically detected, the arrival to the still image recording position (retrieval start position) is informed to the external device 40.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention, when recording a photographed subject image on a magnetic tape, records a cue signal indicating the search start position of the subject image to be searched on the control track of the magnetic tape, and records the subject at the time of search. The present invention relates to a video tape recorder with a built-in camera, which is configured to automatically detect a search start position of an image.

[0002]

2. Description of the Related Art FIG. 9 is a perspective view showing a conventional camera-integrated video tape recorder. As shown in FIG. 9, a conventional camera-integrated videotape recorder 1A integrally connects a camera unit 10 for photographing a subject and a videotape recorder unit 20 for recording and reproducing the photographed subject image by an exterior member 2. It is compact and lightweight and has good portability.

Further, various operations such as a recording button, a reproduction button, a stop button, a fast forward button, a fast rewind button, and a still image recording button 3f are performed on the exterior member 2 in which the camera section 10 and the video tape recorder section 20 are combined. A button unit 3 is provided. In the following description, FIG. 9 shows only the still image recording button 3f.

Here, the user holds the camera-integrated videotape recorder 1A, looks at the viewfinder 11 of the camera section 10 and shoots a subject with the taking lens 12, and forms an image on an image pickup device (not shown). The image is recorded on a magnetic tape (not shown) in the video tape recorder unit 20, but if a title image for video editing or a still image for video printing is required, the user can The recording button 3f is pressed to capture a still image of the subject and the image is recorded on the magnetic tape.

[0005]

By the way, when a conventional video tape recorder 1A with a built-in camera is used to search for a title image for video editing or a still image for video printing from a recorded magnetic tape, Since the still image recording position is searched for by fast rewinding or fast forwarding while looking at the subject image recorded on the magnetic tape, the still image recording position cannot be immediately found. When connected, the work efficiency of each is reduced, such as when performing video editing with a video editing title image at the beginning or printing a still image.

Further, even when the photographed subject image is normally recorded, it may be desired to extract only a part of the normal image at a later date and edit the video. In such a case, for example, only a child is photographed. Considering that only the scenes that are present may be collected and video-edited, the conventional camera-integrated video tape recorder 1A visually searches for an edit location and informs the external device.

[0007]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and the present invention is directed to a camera section for photographing a subject and a video tape for recording a subject image photographed by the camera section on a magnetic tape. In a camera-integrated video tape recorder equipped with a recorder unit, when recording the photographed subject image on the magnetic tape, a cue signal indicating a search start position of the subject image to be searched is sent to a control track of the magnetic tape. Cueing signal recording means for recording and cueing for automatically detecting the cueing signal while rewinding or fast-forwarding the magnetic tape when searching a search start position of the subject image from the recorded magnetic tape. A video tape recorder with a built-in camera, comprising a signal search means.

In the camera-integrated video tape recorder of the above invention, the cue signal search means, when connected to an external device, sends a control signal to the external device to inform that the search start position of the subject image has been reached. It is a video tape recorder with a built-in camera characterized in that it is configured to output.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of a camera-integrated video tape recorder according to the present invention will be described below with reference to FIGS.
The first embodiment> and <second embodiment> will be described in detail in this order.

<First Embodiment> FIG. 1 shows a first embodiment of the present invention.
FIG. 2 is a perspective view showing an overall configuration of a camera-integrated video tape recorder of the embodiment, and FIG. 2 is a diagram showing a configuration of a video tape recorder unit and an external device in the camera-integrated video tape recorder of the first embodiment. FIG. 3 is a diagram for explaining each signal when a cue signal indicating a still image recording start position is recorded on a control track of a magnetic tape when a still image of a photographed subject is recorded, and FIG. Signal, (B) shows a cue signal, and (C) shows a control signal. FIG. 4 shows a cue signal indicating a still image recording start position when controlling a magnetic tape when recording a still image of a photographed subject. FIG. 5 is a timing chart for explaining the operation of the camera-integrated video tape recorder of the first embodiment according to the present invention. It is.

For the sake of convenience of explanation, the same components as those shown above are designated by the same reference numerals.

The camera-integrated video tape recorder 1B according to the first embodiment of the present invention shown in FIG. 1 includes a camera section 10 for photographing a subject and a video tape recorder section 20 for recording and reproducing the photographed subject image. The exterior member 2 is integrally connected to form a compact, lightweight and portable device.

Further, the recording member 3a, the reproduction button 3b, the stop button 3c, the fast-forward button 3d, the fast-rewind button 3e, and the exterior member 2 in which the camera unit 10 and the video tape recorder unit 20 are connected to each other.
In addition to the still image recording button 3f, various operation button units 3 such as a cue signal search button 3g added to the conventional example are provided.

The camera section 10 includes a viewfinder 11 for looking into a subject at the time of photographing, a photographing lens 12 for photographing the subject, and an image pickup device (not shown) for connecting the photographed subject image and converting it into an electric signal. Etc.

Next, as shown in FIG. 2, a tape cassette 21 is installed in advance in the video tape recorder unit 20. In this tape cassette 21, a magnetic tape T
Is wound and stored between the supply reel 22 and the take-up reel 23. The magnetic tape T in the tape cassette 21 is composed of a plurality of tape loading members 24A and 24B.
Is drawn out of the tape cassette 1 and wound around a predetermined angle by a rotating drum 26 that rotates integrally with the rotating magnetic head 25, and an image pickup device (not shown)
The video signal V from FIG. 3 (FIG. 3) is recorded on the magnetic tape T by the rotary magnetic head 25.

A control track C for the magnetic tape T is provided outside the tape cassette 21 on the take-up reel 23 side.
A control head 27 for recording and reproducing a control signal C and a cueing signal H described later on T (FIG. 4), a capstan 28 for running the magnetic tape T, and a capstan 28 integrally with the capstan 28. A capstan motor 29 that drives a supply reel table and a take-up reel table (not shown), and a pinch roller that can freely come into contact with and separate from the capstan 28 and presses against the capstan 28 when the magnetic tape T is running and holds the magnetic tape T. And 30 are provided. At this time, the pinch roller 30 can move up and down so as not to affect the pulling out of the magnetic tape T.

A system control unit 31 for controlling the entire camera-integrated video tape recorder 1B is provided in the video tape recorder unit 20. The system control unit 31 has a record button 3a and a play button. 3b, stop button 3c, fast forward button 3d, fast rewind button 3e, still image recording button 3
f, the operation button section 3 such as the cue signal search button 3g, the control head control section 32 for controlling the control head 27, the FG pulse from the capstan motor 29 and the control signal C from the control head 27 (FIG. 3). , A capstan motor controller 33 for rotating the capstan 28 at a predetermined speed is connected and provided as shown in the figure.

Further, the system control section 31 can be connected via a bus 34 to a video editing machine 40A and / or a video printer 40B which are external devices 40.

Here, when a still image of a photographed subject, which is an essential part of the first embodiment, is recorded on a magnetic tape, a still image recording start position (search start position) of the still image (subject image) is recorded.
The cue signal recording means for recording the cue signal indicating the above in the control track of the magnetic tape and the cue signal searching means for automatically detecting the cue signal from the recorded magnetic tape will be described in detail.

First, a title image for video editing or a still image for video printing is photographed and the magnetic tape T is used.
When the user presses the still image recording button 3f to record the still image on the magnetic tape T, a still image of the subject is recorded on the magnetic tape T by the rotary magnetic head 25, for example, for about 5 seconds. A cue signal H indicating the still image recording start position is output from the control head control unit 32 to the control head 27, and the cue signal H corresponds to the one-frame video signal V shown in FIG. The pulse shape is output with a duty of 25% to 30% as shown in (B).

Then, as shown in FIG. 4, the control head 27 records the cueing signal H on the control track CT of the magnetic tape T in a short pulse train of 9 or less in correspondence with the still image recording start position. . That is, the cueing signal H is recorded in correspondence with the video signal V for 9 frames from the still image recording start position, and this still image recording start position is the search start position of the subject image to be searched.

Therefore, the cueing signal recording means according to the first embodiment includes the still image recording button 3f, the control head 27,
The system controller 31 and the control head controller 32 are included.

When recording a normal image of a subject on the magnetic tape T during normal photographing, the control head 2 is used.
In FIG. 7, the control signal C as shown in FIG. 3C is recorded in the control track CT as a pulse train in a pulse shape with a duty of 57.5% to 62.5%.

Next, when searching for a still image from the recorded magnetic tape T, when the cue signal search button 3g is operated, the system control unit 31 controls the recorded magnetic tape T while rewinding or fast-forwarding. 25% duty by the head 27 and the control head controller 32
The cue signal H of 30% is automatically detected, and the pulse number of the detected cue signal H is counted by the counting section 32a of the control head control section 32, and the counted pulse number of the cue signal H is compared with the comparison section. By comparing the preset number of pulses (for example, 9 pulses) inside 32b, the magnetic tape T
The top still image recording start position is detected.

Therefore, the cue signal search means according to the first embodiment is composed of a cue signal search button 3g and a control head 2.
7, system control unit 31, control head control unit 3
It is composed of 2 etc.

Further, the video editing machine 4 as the external device 40 is added to the camera-integrated video tape recorder 1B of the first embodiment.
0A and / or the video printer 40B is connected, the system control unit 31 reaches the still image recording position on the magnetic tape T after automatically detecting the cue signal H by the cue signal search means. Control signal to notify the bus 3
Since it is output to the video editing machine 40A and / or the video printer 40B via 4, the video editing machine 40A takes in a still image for a title and edits it appropriately,
The video printer 40B prints out a still image.

Here, the operation of the video tape recorder 1B with a built-in camera having the above-mentioned structure will be described in the order of the flow shown in FIG. 5 with reference to FIGS.

As shown in FIG. 5, in step 1,
When the user operates the record button 3a during shooting, the normal image recording operation is performed according to a command from the system control unit 31.
Here, the magnetic tape T is accompanied by the recording start operation of the normal image.
While being sandwiched between the capstan 28 and the pinch roller 30, standard speed (3.335 cm / sec) or low speed (1.112 cm / sec)
A normal image is recorded on the magnetic tape T by the rotary magnetic head 25 that starts traveling at the same time and rotates integrally with the rotary drum 26, and at the same time, a control signal C is sent from the control head control unit 32 to the control head 27, and the magnetic tape T is transmitted. The control signal C is recorded on the control track CT of.

Next, in step 2, when a user wants to record a still image of a subject on the magnetic tape T for video editing or video printing during shooting, when the user operates the still image recording button 3f, the still image is displayed. The data is recorded on the magnetic tape for about 5 seconds, for example.

At this time, as shown in step 3, the control head controller 32 controls the control head 27.
9 pulses (9 shots) of the cueing signal H indicating the start position of the still image recording are sent to the control track CT of the magnetic tape T from the still image recording start position 9 for the cueing signal H having a duty of 25% to 30%. 9 pulses are recorded over the frame, and the control signal C is recorded again on the control track CT corresponding to the subsequent still image recording position.

Then, in step 4, the recorded magnetic tape T on which the still image is recorded is obtained.

Next, in step 5, if a still image is searched for from the recorded magnetic tape T and the still image is to be output to the video editor 40A and / or the video printer 40B, the cue signal search button 3g is pressed. Manipulate.

Next, in step 6, the system control section 31 issues an instruction to fast-rewind or fast-forward the magnetic tape from the current magnetic tape position by operating the cue signal search button 3g, and to output a video signal (not shown). Mute.

Here, in step 7, the number of pulses is preset in the comparison unit 32b so as to detect 9 pulses (nine) of the cueing signal H with a duty of 25% to 30% in the control head control unit 32. ing.

Next, in step 8, the recorded magnetic tape T is rewound or fast-forwarded while the control head 27 records a duty of 25% on the magnetic tape T.
-30% of the cue signal H is automatically detected, and the detected cue signal H is detected by the counting section 3 of the control head control section 32.
Count at 2a. After that, the number of pulses of the cueing signal H counted by the counter 32a is compared with the number of pulses preset in the comparator 32b (for example, 9 pulses), and it is determined whether the two pulse numbers match. to decide.

Next, in step 9, a cue signal H
If 9 pulses are detected, a duty of 25% to 3% is set in the control head controller 32 in order to check whether or not the cueing signal H is subsequently recorded.
A timer 32c is provided in which the time for one pulse is set so that one pulse (one shot) of the cue signal H of 0% can be detected. The timer 32c may be set to an appropriate time within a range that does not cause malfunction.

Then, in step 10 and step 11, the timer 32 in the control head controller 32 is
By c, it is detected whether the cueing signal H has 1 pulse after the cueing signal H continues for 9 pulses, and the cueing signal H is 1
If there is a pulse (one shot), return to step 7,
If the cue signal H does not continue, the process proceeds to step 12.

Next, at step 12, the system control unit 31 sets the reproducing mode and runs the magnetic tape T at a tape speed of 1 ×.

Next, in step 13, a still image is reproduced by the rotary magnetic head 25 mounted on the rotary drum 26. At this time, since the still image is recorded for about 5 seconds as described above, it is waiting for the still image screen to stabilize.

Next, in step 14, the system controller 31 unmutes the video signal output (not shown) and sets the bose terminal (not shown) to about 4 seconds so as not to exceed the recording position of the still image recorded for about 5 seconds. The output is in the low L state for about 2 seconds. The period in which the Bose terminal is output in the low L state is determined by the recording period of the still image.

Then, in step 15, the system controller 31 sends a control signal to the bus 34 to inform that the screen has reached a stable still image recording position for about 4 seconds while the Bose terminal is being output in the low L state. Via video editing machine 4
0A and / or output to the video printer 40B.

Here, as shown in step 15, a still image signal is sent from the video signal output terminal (not shown) to the video editing machine 40A and / or the video printer 40B, and the video editing machine 40A freezes for a title. While capturing the image and editing the video as needed, the video printer 4
In 0B, a still image is printed out.

<Second Embodiment> FIG. 6 shows a second embodiment according to the present invention.
FIG. 7 is a perspective view showing the entire configuration of a camera-integrated video tape recorder of an embodiment, and FIG. 7 is a diagram showing a configuration of a video tape recorder unit and an external device in the camera-integrated video tape recorder of the second embodiment. FIG. 8 is a diagram showing a state in which a cue signal indicating the search start position of the subject image to be searched is recorded on the control track of the magnetic tape when the photographed subject image is normally recorded.

The camera-integrated video tape recorder 1C of the second embodiment shown in FIG. 6 has the same configuration as that of the camera-integrated video tape recorder 1B of the first embodiment described above except a part. Yes, here, for convenience of explanation, the first
Only different points from the constituent members of the embodiment will be described with new reference numerals.

As shown in FIGS. 6 and 7, in the camera-integrated video tape recorder 1C of the second embodiment, a cue signal recording button 3h is added to the operation button portion 3 provided on the exterior member 2, and this head is recorded. The output signal recording button 3h is also different from the first embodiment in that it is also connected to the system control section 31.

Then, the photographed subject image is recorded on the magnetic tape T.
If the cue signal recording button 3h is operated during normal recording on the screen, as shown in FIG. 8, the head starts from the search start position of the subject image that the photographer desires to search for the subject image later in the normal image. The output signal H is recorded on the control track CT of the magnetic tape T in a short pulse train of 9 pulses or less. In such a case, for example, it is possible to collect video only from scenes in which only children are shown and edit the video.

In the first embodiment, when the still image recording button 3f is operated, the cueing signal H is automatically recorded from the still image recording start position which is the search start position. However, the present invention is not limited to this. When the still image record button 3f is operated, the cue signal H
It is also conceivable to automatically record the cue signal. In this case, by operating the cue signal recording button 3h, the cue signal H can be recorded from an appropriate position of the still image recording position.

Further, in the second embodiment as well, when it is desired to retrieve the retrieval start position of the subject image from the recorded magnetic tape T, the cue signal retrieval button 3g can be operated as in the first embodiment, as shown in FIG. It suffices if the search start position of the subject image can be searched for in accordance with the flow of steps 5 to 13 shown in (1) and the control signal notifying that the search start position has been reached is output to the external device 40.

Therefore, the cue signal recording means according to the second embodiment includes a cue signal recording button 3h and the control head 2.
7, system control unit 31, control head control unit 3
2 and the like, and the cue signal search means according to the second embodiment includes a cue signal search button 3g and a control head 2.
7, system control unit 31, control head control unit 3
It is composed of 2 etc.

[0050]

According to the first aspect of the present invention, the camera-integrated type video tape recorder according to the present invention shows a search start position of a subject image to be searched when a photographed subject image is recorded on a magnetic tape. The cueing signal is recorded on the control track of the magnetic tape, and then, when searching the search start position of the subject image from the recorded magnetic tape, the cueing signal is automatically detected while rewinding or fast forwarding the magnetic tape. Therefore, the search start position of the subject image to be searched can be automatically and quickly searched more reliably than before.

Further, according to the second aspect, since the control signal for notifying that the subject image search start position has been reached when the external device is connected, the external device is, for example, a video editor, When a video printer is connected, it can greatly contribute to the improvement of work efficiency when editing a video or printing a still image.

[Brief description of drawings]

FIG. 1 is a perspective view showing the overall configuration of a camera-integrated video tape recorder according to a first embodiment of the present invention.

FIG. 2 is a diagram showing a configuration of a video tape recorder unit and an external device in the camera-integrated video tape recorder of the first embodiment according to the present invention.

FIG. 3 is a diagram for explaining each signal when a cue signal indicating a still image recording start position is recorded on a control track of a magnetic tape when a still image of a photographed subject is recorded; Is a video signal, (B) is a cue signal, and (C) is a control signal.

FIG. 4 is a diagram showing a state in which a cue signal indicating a still image recording start position is recorded on a control track of a magnetic tape when a still image of a photographed subject is recorded.

FIG. 5 is a timing chart for explaining the operation of the camera-integrated video tape recorder of the first embodiment according to the present invention.

FIG. 6 is a perspective view showing an overall configuration of a camera-integrated video tape recorder according to a second embodiment of the present invention.

FIG. 7 is a diagram showing a configuration of a video tape recorder unit and an external device in a camera-integrated video tape recorder of a second embodiment according to the present invention.

FIG. 8 is a diagram showing a state in which a cue signal indicating a search start position of a subject image to be searched is recorded on a control track of a magnetic tape when a captured subject image is normally recorded.

FIG. 9 is a perspective view showing a conventional camera-integrated video tape recorder.

[Explanation of symbols]

1B ... Camera integrated video tape recorder of the first embodiment, 1C ... Camera integrated video tape recorder of the second embodiment, 3 ... Operation button section, 3f ... Still image recording button, 3g ... Cue signal search button, 3h ... Cue signal recording button, 10 ... Camera section, 20 ... Video tape recorder section, 27 ... Control head, 31 ... System control section, 32 ... Control head control section, 40 ... External device, 40A ... Video editing machine, 40B ... Video printer, CT ... control track, T ... magnetic tape, H ... cue signal.

Claims (2)

[Claims] 1. A video tape recorder integrated with a camera, comprising: a camera section for photographing a subject; and a video tape recorder section for recording a subject image photographed by the camera section on a magnetic tape. When recording on a magnetic tape, a cue signal recording means for recording a cue signal indicating a search start position of the subject image to be searched on a control track of the magnetic tape, and a search for the subject image from the recorded magnetic tape. A camera-integrated video tape recorder, comprising: a cue signal search means for automatically detecting the cue signal while rewinding or fast-forwarding the magnetic tape when searching for a start position. 2. The camera-integrated video tape recorder according to claim 1, wherein the cue signal search means, when connected to an external device, outputs a control signal for notifying that the search start position of the subject image has been reached. A camera-integrated videotape recorder characterized by being configured to output to a device.