JP2002050155A - Recording and reproducing device and recording medium - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a recording and reproducing device capable of performing not only recording and reproduction for a cassette type magnetic tape recording medium but also the recording and reproduction of a hard disk by using the same loading part for recording and reproduction as that of the cassette type magnetic tape. SOLUTION: This recording and reproducing device is provided with a loading part 4 for a cassette type magnetic tape recording medium 5 and a recording and reproducing means J for a magnetic tape for performing recording or reproduction for a magnetic tape 8 of the cassette type magnetic tape recording medium 5 loaded on the loading part 4. A cassette type hard disk recording medium 6 constituted so that a hard disk 12 can be formed as the interior of a case 7 is constituted so as to be freely insertable or removable for the loading part 4. This device is provided with a recording medium HK and/or a reproducing means HS for the cassette type hard disk recording medium 6 loaded on the loading part 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a loading section for removably loading a cassette type magnetic tape recording medium, and to record and unload a magnetic tape of the cassette type magnetic tape recording medium loaded in the loading section. The present invention relates to a recording / reproducing apparatus and a recording medium provided with a magnetic tape recording / reproducing means for reproducing.

[0002]

2. Description of the Related Art Conventionally, this type of recording / reproducing apparatus can only record / reproduce information on / from a cassette type magnetic tape recording medium.

[0003]

Therefore, when recording / reproducing data to / from a hard disk, a dedicated recording / reproducing apparatus capable of recording and / or reproducing data from / to the hard disk is required, resulting in an increase in cost. There was a problem.

SUMMARY OF THE INVENTION The present invention solves the above-mentioned conventional problems. In addition to the recording / reproducing of a cassette type magnetic tape recording medium, the present invention provides a recording / reproducing loading unit which is the same as a cassette type magnetic tape. It is an object of the present invention to provide a recording / reproducing device which can be used by utilizing.

[0005]

SUMMARY OF THE INVENTION In order to solve this problem, the present invention is directed to a loading section for removably loading a cassette type magnetic tape recording medium, and the cassette type magnetic tape recording medium loaded in the loading section. A recording / reproducing apparatus including a magnetic tape recording / reproducing means for recording / reproducing on / from a magnetic tape of a medium, wherein a cassette type hard disk recording medium constituted by housing a hard disk in a case is detachably insertable into the loading section. And a hard disk recording means for recording on the hard disk of the cassette type hard disk recording medium loaded in the loading section and / or a hard disk reproducing means for reproducing recorded information of the hard disk. is there.

Thus, the cassette type hard disk recording medium can record and / or record the cassette type magnetic tape recording medium.
Alternatively, recording and / or reproduction can be performed using a recording / reproducing device capable of reproducing, and the versatility of the recording / reproducing device is improved. In the case of recording and playback with a hard disk, random access is possible, so that image recording and playback can be performed quickly, and the recording time of imaging can be set appropriately for a long time or short time by controlling the quality of the image. It is possible to exhibit a superior point to that of recording and reproducing on a magnetic tape.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A recording / reproducing apparatus according to a first aspect of the present invention comprises a loading section for removably loading a cassette type magnetic tape recording medium, and the cassette type magnetic tape recording medium loaded on the loading section. A recording / reproducing apparatus including a magnetic tape recording / reproducing means for recording / reproducing on / from a magnetic tape of a medium, wherein a cassette type hard disk recording medium constituted by housing a hard disk in a case is detachably insertable into the loading section. The cassette-type hard disk recording medium loaded in the loading section, the hard disk recording means for recording on the hard disk and / or the hard disk reproducing means for reproducing the information recorded on the hard disk. A hard disk recording medium also records a cassette type magnetic tape recording medium and / or
Alternatively, recording and / or reproduction can be performed using a recording / reproducing device capable of reproducing, and the recording / reproducing device has an effect of increasing versatility.

According to a second aspect of the present invention, there is provided a recording / reproducing apparatus comprising:
2. The recording / reproducing apparatus according to claim 1, further comprising: a driving unit for driving the hard disk for recording / reproducing in a case of the cassette type hard disk recording medium, and a head unit for recording / reproducing on / from the hard disk. And a power supply terminal for supplying power to the drive unit, an input terminal for a recording signal transmitted to the head unit, and / or a reproduction signal from the head unit. An output terminal, a power supply unit for supplying power to the power supply terminal is provided on the recording / reproducing device side, and the hard disk recording unit is configured to output a recording signal to the input terminal, The reproducing means is configured to input a reproduced signal output from the output terminal. Therefore, it is not necessary to provide a means for driving a hard disk of a cassette type hard disk recording medium or a head for recording or reproducing data on or from the hard disk on the recording / reproducing apparatus side, and the recording / reproducing apparatus performs recording / reproducing of a magnetic tape. It is only necessary to provide a head and provide a circuit for performing signal processing for recording and / or reproduction with respect to the hard disk.

According to a third aspect of the present invention, there is provided a recording / reproducing apparatus comprising:
2. The recording / reproducing apparatus according to claim 1, wherein whether the recording medium loaded in the loading unit is the cassette type magnetic tape recording medium or the cassette type hard disk recording medium is determined. By providing the discriminating means based on the information obtained from the discriminating function provided in the case, the discrimination between the cassette type hard disk and the cassette type magnetic tape can be automatically and easily performed, and the type of the loaded cassette can be determined. Has the effect that it is not necessary for a person to input a determination command for causing the recording / reproducing apparatus to determine the determination.

According to a fourth aspect of the present invention, there is provided a recording medium in which a cassette type magnetic tape recording medium is removably loaded and a magnetic tape of the cassette type magnetic tape recording medium loaded in the loading section. And a hard disk recording / reproducing means provided in the recording / reproducing apparatus, the case being configured to be removably loaded into the loading section of the recording / reproducing apparatus having a magnetic tape recording / reproducing means for recording / reproducing. By incorporating a hard disk capable of recording and / or reproducing in the case, the recording / reproducing on / from the hard disk can be performed using a recording / reproducing apparatus for a magnetic tape, which cannot conventionally record / reproduce the hard disk. Versatility is improved, and cassette-type magnetic tape recording media and cassette-type hard disk Since the disk recording medium can be constructed using a common case, the number of components can be reduced in manufacturing the plurality of types of cassettes, such an action attained also decrease the cost of manufacture thereof cassette.

A recording medium according to a fifth aspect of the present invention is the recording medium according to the fourth aspect, wherein the recording medium includes means having an identification function which can be identified by the identification means provided in the recording / reproducing apparatus. The discrimination means of the recording / reproducing apparatus can easily determine whether the recording medium has a magnetic tape or a hard disk therein, and can determine the format of the recording medium by the discriminating means of the recording / reproducing apparatus. This has the effect of eliminating the need for a person to input data to the recording / reproducing apparatus.

A video camera according to an embodiment of the present invention will be described below with reference to the drawings.

FIGS. 1 and 2 show a video camera as an example of a recording / reproducing apparatus. This video camera is
As shown in FIG. 1, a lens unit 1 for imaging a subject
And a solid-state image sensor 2 for photoelectrically converting image information. The solid-state image sensor 2 records an image signal from the solid-state image sensor 2 on a cassette-type recording medium described later and reproduces the image signal recorded on the recording medium. Control means 3 for outputting the output. As shown in FIG. 2, the video camera is provided with a loading section 4 into which a cassette type recording medium can be loaded so as to be detachable.

As shown in FIGS. 3 and 4, as the cassette type recording medium that can be loaded into the loading section 4, there are a cassette type magnetic tape recording medium 5 and a cassette type hard disk recording medium 6. The cassette type magnetic tape recording medium 5 and the cassette type hard disk recording medium 6 are constituted by a common case 7. More specifically, as shown in FIG. 3, the case 7 is originally configured so that the magnetic tape 8 can be housed therein, and the supply reel 9 and the take-up reel 10 can be driven to rotate by external power. The cassette type magnetic tape recording medium 5 is formed by winding the magnetic tape 8 around these reels 9 and 10. On one side of the title name attachment surface of the case 7, a plurality (specifically, a plurality of (specifically, a plurality of) of recording / reproducing devices such as a video camera can identify the type of the magnetic tape 8 and the identification of the tape format. Are four) signal input / output terminals 11 are provided. Combination of short-circuit state and open state of each terminal 11 and IC built in case 7 separately
By connecting the chip to each terminal 11, the control unit 3 can identify the type of the magnetic tape 8 and the tape format through the signal input / output unit of the recording / reproducing apparatus connected to the terminal 11. Do. Further, as described later, it is also determined through the signal input / output terminal 11 whether the case 7 in which the magnetic tape 8 is mounted or the case 7 in which the hard disk 12 is mounted.

On the other hand, in the case 7 of the same specification, the cassette type hard disk recording medium 6 is provided in a space in the case excluding the reels 9 and 10 and the magnetic tape 8 as drive means as shown in FIG. Thin small motor 1
3 and a hard disk drive HDD constituted by providing a plurality of hard disks 12 directly connected to the motor 13. Furthermore, this hard disk 12
A head unit 14 for recording and reproducing the data is provided in the case 7. The drive power supply to the motor 13 is as follows:
Through two of the signal input / output terminals 11 (power supply terminal D) provided on the case 7, a power supply input terminal (see FIG. (Not shown). The input of the recording signal to the head unit 14 and the output of the reproduction signal read from the hard disk 12 by the head unit 14 are performed by the remaining two terminals (the input terminal I and the output terminal O) of the signal input / output terminals 11. The input terminal I and the output terminal O are common to these two terminals), and through a device-side signal input / output terminal (not shown) provided in the loading section 4 of the video camera. The communication is performed with the control means 3. The power supply input terminal is supplied with power under the control of the control means 3 from a power supply means (not shown).

That is, the cassette type magnetic tape recording medium 5 can be removably loaded into the loading section 4 of the video camera, and the common case 7 is used. Can be removably loaded. Whether the recording medium loaded in the loading section 4 is a cassette type magnetic tape recording medium 5 or a cassette type hard disk recording medium 6 is determined by the device side signal input / output terminal provided in the loading section 4. The identification signal is transmitted to the recording medium side through the device-side signal input / output terminal by physically contacting the corresponding signal input / output terminal 11 in the case 7 loaded in the
Since a response signal corresponding thereto is different between the cassette type magnetic tape recording medium 5 and the cassette type hard disk recording medium 6, the discriminating means 16 provided separately from the control means 3 performs the discrimination according to the difference in the response signal. Here, the signal input / output terminal 11 constitutes an identification function providing means. The identification function providing means is not limited to the one based on an electric signal, but can be identified based on the presence of an optically identifiable function or the presence or absence of, for example, a projection provided on a case. It may be configured to have various functions.

As shown in FIG. 1, when the cassette type recording medium loaded in the loading section 4 is determined to be the cassette type magnetic tape recording medium 5 by the determining means 16, the magnetic recording medium disposed in the loading section 4 is provided. A recording signal is transmitted from the magnetic tape recording / reproducing means J included in the video camera to the magnetic head so that recording on the magnetic tape 8 and / or reproduction from the magnetic tape 8 can be performed by the head or the like. A reproduction signal is input to the recording / reproduction means J. When the discriminating means 16 determines that the cassette type recording medium loaded in the loading unit 4 is the cassette type hard disk recording medium 6, the hard disk recording means HK provided in the video camera sends the head unit 14
A recording signal is transmitted through the input terminal I, and a reproduction signal from the head section 14 is transmitted through the output terminal O to a hard disk reproducing means HS provided in the video camera.
Is input to

Next, the flow of signals in the video camera will be described with reference to FIG. As shown in the figure, an imaging signal output from the solid-state imaging device 2 is input to a capture circuit 17. The capture circuit 17 converts an input signal into digital data, performs data compression and the like, and records the cassette type magnetic tape recording medium 5 on the magnetic tape 8 and the cassette type hard disk recording medium 6 on the hard disk 12. Is output as a video signal that can be used. When the discriminating means 16 determines that the recording medium loaded in the loading section 4 is the cassette type magnetic tape recording medium 5, recording and reproduction are performed by the magnetic head provided in the video camera. The reproduced signal from the magnetic tape 8 can be output as an analog video signal, and can be displayed as an image by, for example, connecting to an external monitor or connecting to a viewfinder device.

The loading unit 4 is determined by the determination unit 16.
When it is determined that the recording medium loaded in the cassette type is the cassette type hard disk recording medium 6, the video signal output from the capture circuit 17 is transmitted to the cassette type hard disk recording medium via the SCSI interface 18 and the input terminal I. The recording can be performed on the hard disk 12 of the medium 6 by the head unit 14. Also, the head unit 14
Are read out by the output terminals O and SC
The data is input to a decoder 20 via an SI interface 19, and can be output as an analog video signal by a D / A converter 21. The output signal from the decoder 20 can be output to the outside as a digital video signal without passing through the D / A converter 21. As shown in FIG. 5, the solid-state imaging device 2 and the capture circuit 1
7, the SCSI interfaces 18 and 19, the motor 13 and the head unit 14, the decoder 20, and the D / A converter 21 of the hard disk drive HDD are controlled by the control unit 3.

In the above embodiment, a video camera is shown as a recording / reproducing device. However, an editor for editing information recorded on a cassette type recording medium can be implemented as the recording / reproducing device according to the present invention.

The hard disk is not limited to a hard disk capable of recording and reproducing magnetically, but may be a hard disk capable of optically recording and reproducing.

In the above-described embodiment, the cassette type hard disk recording medium is provided with the driving means for driving the hard disk for recording and reproducing the hard disk, and the head unit for recording and reproducing on the hard disk. It may be provided on the playback device side.

[0023]

As described above, according to the present invention, a cassette type hard disk recording medium can be recorded and / or reproduced using a recording / reproducing apparatus which can record and / or reproduce a cassette type magnetic tape recording medium. The versatility of the recording / reproducing device is improved, and the cassette-type hard disk recording medium can be manufactured by using the cassette-type magnetic tape recording medium and the cassette-type magnetic tape recording medium in a common case. There are effects such as reduction in cost. In the case of recording and playback with a hard disk, random access is possible, so that image recording and playback can be performed quickly, and the recording time of imaging can be set appropriately for a long time or short time by controlling the quality of the image. Also, there is an effect that a point superior to that of recording and reproducing on a magnetic tape can be exhibited.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a main part of a recording / reproducing apparatus according to the present invention.

FIG. 2 is a perspective view showing a video camera.

FIG. 3 is a perspective view showing the appearance of a cassette type magnetic tape recording medium or a cassette type hard disk recording medium.

FIG. 4 is a schematic cross-sectional plan view showing a cassette type hard disk recording medium.

FIG. 5 is an explanatory diagram showing a signal flow and the like in the video camera.

[Explanation of symbols]

 Reference Signs List 4 loading section 5 cassette type magnetic tape recording medium 6 cassette type hard disk recording medium 7 case 8 magnetic tape 11 identification function providing means 12 hard disk 13 drive means 14 head section D power supply terminal HK hard disk recording means HS hard disk reproduction means I input Terminal J Magnetic tape recording / reproducing means O Output terminal

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI theme coat ゛ (Reference) H04N 5/765 H04N 5/781 510A 5/781 5/782 K

Claims (5)

[Claims] 1. A loading section for removably loading a cassette type magnetic tape recording medium, and a magnetic tape for recording or reproducing on or from the magnetic tape of the cassette type magnetic tape recording medium loaded on the loading section. A recording / reproducing apparatus provided with recording / reproducing means, wherein a cassette-type hard disk recording medium constituted by housing a hard disk in a case is configured to be removably insertable into the loading section, and the cassette-type hard disk loaded in the loading section A recording / reproducing apparatus comprising a hard disk recording means for recording on the hard disk of a recording medium and / or a hard disk reproducing means for reproducing information recorded on the hard disk. 2. The recording / reproducing apparatus according to claim 1, further comprising: driving means for driving the hard disk for recording / reproducing in a case of the cassette type hard disk recording medium, and recording / reproducing on / from the hard disk. A head unit is provided in a case of the cassette type hard disk recording medium; a power supply terminal for supplying power to the drive unit; an input terminal for a recording signal transmitted to the head unit; and / or the head unit And a power supply unit for supplying power to the power supply terminal on the recording / reproducing apparatus side, and the hard disk recording unit outputs a recording signal to the input terminal. The hard disk playback means is configured to input a playback signal output from the output terminal. Recording and reproducing apparatus, characterized by that. 3. The recording / reproducing apparatus according to claim 1, wherein whether the recording medium loaded in the loading section is the cassette type magnetic tape recording medium or the cassette type hard disk recording medium is determined. A recording / reproducing apparatus, comprising: a discriminating unit that performs a determination based on information obtained from a unit having an identification function provided in a case of each recording medium. 4. A loading section for removably loading a cassette type magnetic tape recording medium, and a magnetic tape recording for recording or reproducing on or from a magnetic tape of the cassette type magnetic tape recording medium loaded on the loading section. A case is configured to be removably inserted into the loading section of the recording / reproducing apparatus provided with the reproducing means, and a hard disk which can be recorded and / or reproduced by a hard disk recording / reproducing means provided in the recording / reproducing apparatus is provided. A recording medium which is provided inside a case. 5. The recording medium according to claim 4, further comprising means having an identification function which can be identified by an identification means provided in said recording / reproducing apparatus.