JPH0410291A - Information recorder - Google Patents

Abstract

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

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an information recording device, and particularly to an information recording device suitable for simultaneously recording moving images and still images. The present invention also relates to an information recording device suitable for quickly searching content recorded as a moving image.

[Prior art]

Conventional information recording devices, particularly VTRs (video tape recorders), record moving images continuously, so it is not possible to view the contents of the tape in a digest form.

Furthermore, when taking pictures using a video camera or the like, there is a demand for taking specific still pictures at the same time.

In response to this demand, Japanese Patent Laid-Open No. 63-261968 describes a video camera in which a still camera is provided.

[Problem to be solved by the invention]

Since conventional VTRs recorded only moving images continuously, it was impossible to view the contents recorded on the VTR in a digest form, and it took time to search for the desired screen from the tape contents. .

In particular, in the case of a tape that has been recorded for a long time, it takes a considerable amount of time to find the desired screen even if the tape is rotated at high speed.

On the other hand, when recording videos using an optical disc device,
The problem is the relationship between recording capacity and device size. The storage capacity is currently several gigabytes/30 an
It is about the size of a disc and can record videos. However, the large size of the device made it impossible to use it as a portable device. For this reason, conventional optical disk devices have been positioned as stationary devices and have been used only for playback or for image editing.

Research is underway to miniaturize optical disc devices. For example, Conference Digest Topic
alMeeting on 0ptical Data
Storage March 5-7.

Pages 2 to 9 of 1990 introduce a compact 3.5-inch erasable magneto-optical disk. Since these devices have a small capacity of 200,300 MB, they cannot record moving images, and these optical disk devices must be used only for recording still images. For this reason,
In order to realize the object of the present invention, which is a device that simultaneously shoots moving images and still images, it is necessary to integrate the device with a recording device such as a VTR. However, since these devices are approximately 40 mm thick, it is virtually impossible to integrate them with a VTR.

Furthermore, since moving images are recorded on tape for a long time, it takes time to search for a desired moving image. especially,
3x speed for VTRs that last several hours.

Even if you use the 5x speed function, there is a problem in that it takes a considerable amount of time to search for the video you want to watch. An object of the present invention is to solve this problem and provide an information recording device that can record moving images and still images simultaneously.

Another object of the present invention is to provide an information recording device that allows the user to view a summary of the contents in a digest form, and furthermore, allows the user to quickly search for the location of a moving image on a tape that corresponds to a still image that the user wants to view.

[Means to solve the problem]

The information recording device of the present invention includes a first recording device for recording moving images, and a first recording device for recording still images on a rotating optical recording medium in parallel and randomly accessible state while recording with the first recording device. 2 recording devices.

Furthermore, the information recording device of the present invention provides a first
and a second recording device that records still images on a rotating optical recording medium in parallel and in a randomly accessible state during playback by the first recording device. .

Further, the information recording apparatus of the present invention can also use a rotating magneto-optical recording medium instead of the rotating optical recording medium.

It is preferable to use a disk medium rotatably housed in a case having a transparent portion as a still image memory for recording the still image.

It is desirable that switches for operating the first recording device and the second recording device be provided on the left and right sides of the information recording device main body.

Further, the case size is preferably the size of a credit cart.

It is desirable to provide means for displaying the moving image recording position on the tape corresponding to the still image recorded on the disk.

Furthermore, a moving image editing system can be produced from the disc-integrated VTR of the present invention, a display for displaying a digest of recorded content, a recording phase regulator for specifying recording types, an editing machine, and a recording device.

Furthermore, in order to achieve the above object, the present invention has developed a thin disk device with a thickness of 15 m+n or less and a storage capacity sufficient to record still images, and is capable of being integrated with a recording device such as a VTR. made possible.

A still image showing a digest of the contents of the VTR was recorded on this thin disk device, so that the contents of the tape could be viewed as a digest.

Furthermore, when recording a still image, the tape counter is recorded along with the still image, making it possible to quickly search for the tape position of the video corresponding to the still image.

[Effect]

In the present invention, by developing an ultra-thin optical disc device, it is possible to realize an information recording device equipped with a randomly accessible disc.

This also makes it possible to provide a device that can simultaneously shoot moving images and still images. Furthermore, by simultaneously recording a tape counter when recording a still image on a disk, the tape position of a moving image corresponding to a still image can be searched at high speed.

〔Example〕

An embodiment of the present invention will be described below with reference to FIG. 1st
The figure shows the basic equipment configuration of an information recording device equipped with the thin disk device of the present invention. A well-known VTR converts an image projected by a camera lens 110 into a video signal by a solid-state image sensor 120, and when a VTR shooting button 150 is pressed, the VTR 130 is driven and the image is recorded. A feature of the present invention is that a thin disc device 180 is integrally mounted on a VTR, and a disc one-shot photographing switch 170 is added accordingly.

Further, the power supply 140 supplies power for driving both the VTR 130 and the thin disk device 180.

In such a device configuration, the conventional V
Recording on the TR can be achieved by pressing the VTR shooting button 150. In this respect, conventional VTR
The operation is exactly the same as .

In the case of simultaneous video and still image recording, which is a feature of the present invention, V
By turning on the TR shooting button 150 and pressing the disk one-shot shooting button 170 when recording to the disk device is required, the moving image at that moment is recorded on the disk device 180 as a still image. As explained above, by using this equipment configuration, VTR
It is possible to record still images on the disk device at the same time as recording videos on the disk.

Furthermore, it is also possible to record moving images on a disk device using the apparatus of the present invention. That is, in the case of recording a moving image on a disk device, this can be achieved by keeping the shooting button 150 pressed.

It is desirable that the VTR shooting button 150 and the disc one-shot shooting button 170 be set on the left and right sides of the main body. If these two buttons are close to each other, there is a possibility that the disc device button may be pressed by mistake when recording on a VTR, or the VTR button may be pressed by mistake when recording onto a disc device. To avoid this, for example, if the left hand is used to operate the VTR and the right hand is used to operate the disk device, failures can be reduced.

FIG. 2 shows another embodiment of the invention. A feature of this embodiment is that a counter reading setting means 190 is added to the VTR 130. The basic operation is the same as the embodiment shown in FIG. 1, but the operation in the case of simultaneous video and still image recording changes as follows. That is, when the disc one-shot shooting button 170 is pressed, a still image is recorded on the disc, and at the same time, the counter of the VTR 130 is read out, and the tape address of the moving image recorded on the VTR is recorded. This makes it possible to easily know the tape address of the VTR corresponding to the still image recorded on the disk device even when playing back the VTR.

Next, a recording apparatus used as the thin disk family [180] of the present invention will be explained.

FIG. 3 is a conceptual diagram of a thin optical disc device suitable for use in the present invention. 180 is a thin optical disc device, 200
1 shows an optical recording medium (hereinafter referred to as an optical disk-in-card) in which an optical disk medium 220 is rotatably built into a card-sized case having a transparent portion. With this device,
The optical disc in card 200 is connected to the thin optical disc device 1
When inserted into the optical disk in card 80, the optical disk medium 220 in the optical disk in card 200 is rotated by a spindle motor (not shown), and recorded and reproduced by the optical head 240.

FIG. 4 shows an embodiment of an optical disk-in card 200 suitable for carrying out the present invention.

The optical disc in card 200 is an optical disc medium 220
．． Composed of a transparent protective case 210, the optical disc medium 2
20 is rotatable within the transparent protective case 210. The optical disc 1n card 200 of the present invention is characterized in that the substrate for the optical disc medium 220 is thinner than conventional optical disc media, and the optical disc medium 220 has a
It is built in a transparent protective case 210 below I. Further, the laser beam for recording and reproduction is incident through the transparent protective case 210, thereby reducing the adhesion of dust to the optical disc medium.

This principle will be explained using FIGS. 5 and 6.

FIG. 6 shows the relationship between a conventional optical disc medium and an objective lens. The conventional optical disk medium 221 has 1
．． It had a recording layer deposited or coated on a 2 mm substrate, and was housed in an optical disc case 211 of 6 mm or more. Recording and reproduction is realized using a laser beam focused by an objective lens 270 and a magnetic head 260. Although the detailed principles of recording and reproducing will be omitted, the problem here is that the magnetic head 260 needs to approach the medium on the order of several tens of micrometers. For this reason, with the conventional optical disc medium 221, the case 211 could not be closed. That is, it was not possible to seal the optical disc medium inside the case. In contrast, the present invention provides an optical disk medium 22 as shown in FIG.
0 is sealed in a transparent protective case 210. That is, the present invention is characterized in that it uses an optical disk medium 220 that does not require a magnetic head as shown in FIG. Examples of such media include reversible phase change recording media, write-once type recording media, and light modulation type magneto-optical recording media. When a phase change medium or a write-once medium is used, the configuration is approximately as shown in FIG. 5. That is, although the laser for recording and erasing is focused onto the recording medium by the objective lens 270, it is characterized in that the light is incident through the transparent protective case 210.

Further, FIG. 8 shows an embodiment in which the present invention is applied to a light modulation type magneto-optical disk. Optical modulation type optical discs are used in the Optical Memory Symposium '88 Proceedings, 198
Exchange-coupled bilayer media can be used as described in Sep. 19-21, 1998, pages 45-46. In this case, unlike the conventional magneto-optical type, the optical disk 220 is not required to have a magnetic head as shown in FIG. It can be sealed inside.

FIG. 7 shows a cross-sectional structure of an optical disc device in comparison with a conventional optical disc device in order to explain the present invention in detail. In the conventional optical disc 221, 1.2m+
A thick board was used.

The purpose of this is to prevent dust from adhering to the optical disc.

In other words, the conventional magneto-optical disk requires a floating magnetic head 260, and moreover, the magnetic head 260 is
It is necessary to get close to the optical disk to the order of 0 μm. For this reason, it is necessary to open the optical disc case 211, resulting in a structure in which dust easily adheres to the optical disc. For this reason, in conventional optical discs, it is necessary to enter the condensed light from the substrate side to reduce the influence of dust attached to the substrate, and a substrate of 1.2 mm is essential.

Further, if the substrate is 1.2 mm, it is necessary to consider the optical disk disk as a rigid body, and in order to avoid contact with the case 211, it is necessary to provide a sufficient space between the case and the disk. Therefore, it was necessary to increase the effective aperture of the objective lens 270 to about 4 mm. Therefore, the conventional optical head has become large and has a height of at least 10II.
About In is necessary, and this has caused the overall size of the optical disk device to be large. In contrast, the present invention uses a phase change type medium or an exchange coupling type magnetic medium that does not require a floating magnetic head as a recording medium, thereby eliminating the need for the conventionally required opening. It is characterized by points. That is, by selecting a material that transmits laser as the material for the protective case 210, the optical disc is sealed within the case to prevent dust from adhering to it. Therefore, the substrate, which conventionally required a substrate thickness of 1.2 m, can be made thinner, and furthermore, the rotating optical disk 220 and the objective lens 270 can be isolated, and the distance between the objective lens 270 and the optical disk medium 220 can be reduced. It became possible to get closer. As a result, the effective diameter of the objective lens can also be reduced, and the optical head optical system can be made thinner. FIG. 9 illustrates this principle. This cross-sectional structure shows a state in which the optical disc 220 is set. In this state, the optical disc 220 is being rotated by the motor. The optical head is an objective lens 270
Or, stand-up mirror 280. It is composed of a laser (not shown), etc., and is assembled on an optical radar base 290. What is important here is that the height of the base optical system is defined by the effective aperture d of the objective lens 270. That is, the height of the base optical system of the optical head needs to be d or more, and the height of the optical head is also determined by the effective diameter of the objective lens 270. Therefore, in order to make the optical disc device thinner, it is effective to reduce the effective diameter of the objective lens 270, and for this purpose, it is necessary to make the optical disc thinner. In the present invention, a transparent protective case is used to achieve a thinner optical disk 220 and a thinner optical head.

Further, FIG. 10 shows the equipment configuration of the thinned disk device. Disks used in the present invention include:
It is suitable to use an optical disc 200 in a transparent protective case. A feature of this optical disc is that it uses a thinner substrate than conventionally used optical disc substrates with a thickness of 1 or 2 I, making the entire recording medium and device thinner. In the figure, 210 indicates a transparent protective case, and 220 indicates a thin optical disc. Furthermore, the area surrounded by the dashed line indicates a thin optical disk and its drive 180.

The optical disc drive includes a motor 2302 for rotating the disc, an optical head 240 for recording and reproducing data such as images. and a drive circuit 25 for driving it.
Consists of 0. The drive circuit 250 controls the rotational speed of the optical disc and receives the input video signal 10.
Modulation and demodulation processing is performed based on Although the optical head 240 is not shown, it is basically the same as an optical head normally used in a write-once type or a magneto-optical type.

In this example, a thin optical disk is used for recording still images, but magnetic disks, floppy disks, and IC cards can also be used as long as the disk memory is thin and about 2 inches in size. You can do this and get the same effect.

FIG. 11 shows an example of a moving picture editing system to which the disc-integrated VTR of the present invention is applied. By using the disc-integrated VTR 400 of the present invention, a digest of images recorded on a tape can be displayed on the display 410. Further, since the tape position of the moving image corresponding to the still image is recorded in the still image displayed on the display, the order for newly editing and recording on the 5-digest can be easily specified using the recording order phase determiner 430. When such recordings are specified, the editing machine 420 sequentially reads out the corresponding videos from the disc-integrated VTR 400, and
The feature of this device is the recording order phase regulator 430, which allows recording in the order specified by the recording device 440 such as R or disk. The advantage is that the order can be specified using only the image numbers.

〔Effect of the invention〕

According to the present invention, it is possible to reduce the overall thickness of the optical disc device, and it is possible to integrate it with a camera-integrated VTR device. Furthermore, by integrating a camera-integrated VTR device and a thin optical disk device, it has become possible to simultaneously record moving images and still images. Thereby, the contents of the VTR tape can be reproduced in a digest form by the optical disc reproduction device. In addition, by providing a means for reading and setting the counter of the VTR in the optical disk device, it is possible to
It is now possible to view a digest of the recorded content, and at the same time, quickly search for the tape location of the corresponding video.

[Brief explanation of drawings]

FIG. 1 shows the equipment configuration necessary to carry out the present invention, FIG. 2 shows the configuration of another embodiment, and FIG. 3 shows the schematic configuration of a thin optical disk device suitable for use as the disk memory of the present invention. 4 is a schematic diagram of an optical disk medium, FIGS. 5 and 8 are relationship diagrams between a thin optical disk medium and an objective lens, FIG. 6 is a relationship diagram between a conventional optical disk and an objective lens, and FIG.
9 is a comparative diagram of an optical disk device, FIG. 9 is an assembled configuration diagram of the device, FIG. 10 is a diagram of the equipment configuration of the device, and FIG. 11 is a configuration diagram of an embodiment of a disc-integrated VTR. 10... Video signal, 110... Camera lens,
120... solid-state image sensor, 130... VTR device,
140... Power supply, 150... Shooting button, 160
... Selector switch, 170... Disc one-shot shooting button, 180... Disc device, 190...
- Counter reading setting means, 200... Optical disk in transparent case, 210... Case, 220... Optical disk, 230... Motor, 240... Optical head, 250... Drive circuit, 260... - Magnetic head, 270... Objective lens, 280... Erecting mirror, 290... Base for optical head, 300... Case for drive.

Claims (1)

[Scope of Claims] 1. A first recording device for recording moving images, and a first recording device for recording still images on a rotating optical recording medium in a parallel and randomly accessible state while recording with the first recording device. 2. An information recording device comprising: 2. A first recording device that records a moving image; and a second recording device that records still images on a rotating magneto-optical recording medium in parallel in a randomly accessible state while recording with the first recording device; An information recording device comprising: 3. The information recording device according to claim 1 or 2, wherein switches for operating the first recording device and the second recording device are provided on the left and right sides of the information recording device main body. 4. A first recording device that records moving images; and a second recording device that records still images on a rotary optical recording medium in a parallel, randomly accessible state while playing back on the first recording device; An information recording device comprising: 5. A first recording device that records moving images; and a second recording device that records still images on a rotating magneto-optical recording medium in a parallel, randomly accessible state while playing back on the first recording device; An information recording device comprising: 6. The information recording apparatus according to claim 1 or 4, wherein an optical disk medium rotatably built in a case having a transparent part is used as the still image memory for recording the still image. 7. The information recording apparatus according to claim 2 or 5, characterized in that a magneto-optical disk medium rotatably housed in a case having a transparent portion is used as the still image memory for recording the still image.