JPH01140868A - Image recording/reproducing device - Google Patents

Abstract

PURPOSE:To generate a floppy provided with a sound after-recording track by providing the title device with a means, which reproduces a frame image recorded signal in a reproducing medium by a reproducing part, and performs field image recording in a recording medium by a recording part. CONSTITUTION:An image recording/reproducing device is provided with the reproducing part A to reproduce the signal being recorded as a frame image in the reproducing medium, and the recording part B to record an image, and these parts are controlled by system controllers 14, 30. The signal recorded as the frame image in the reproducing medium is reproduced by the reproducing part A, and the recording part B performs the field image recording in the recording medium.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a still video image recording and reproducing apparatus, and particularly to a still video image recording and reproducing apparatus for dubbing.

[Prior Art] When performing dubbing recording in a conventional still video image recording and reproducing apparatus, all tracks are dubbed while keeping the same tracks as the original, or a program is set for each frame or field. By doing this, the track is changed and dubbing recording is performed.

[Problem that the invention seeks to solve] However,
In the above-mentioned conventional recording and reproducing apparatus, when creating a field-recorded floppy by dubbing from a frame-recorded floppy, the field recording is performed in one step.
If this is done every other track to create empty tracks, the programming procedure becomes complicated and very inconvenient.

This empty track is necessary when a floppy for audio dubbing is created by dubbing from a floppy that has already been filmed.

[Means for Solving the Problems] As a means for solving the above-mentioned problems, the present invention provides an image recording and reproducing apparatus that records and reproduces images on a plurality of tracks, including a reproducing section that reproduces images; The device includes a recording unit that records images and a control unit that controls these parts, the reproduction unit reproduces a signal recorded as a frame image on a reproduction medium, and the recording unit records a field image on the recording medium. An image recording/reproducing device is provided. In this device, a field image is recorded on one of two consecutive tracks of a recording medium, and the other track is left as an empty track.
You can create a floppy with a track for audio dubbing.

[Function] According to the present invention, dubbing is performed from a floppy disk on which frame recording has been performed, and an image is field-recorded on one track, and a means is selected for creating a floppy disk having a track for audio dubbing as an empty track on the other side. It can be used in many ways.

[Embodiment] FIG. 1 is a block diagram showing a first embodiment of an image recording and reproducing apparatus according to the present invention, and FIG. 2 is a flowchart illustrating its operation.

The image recording and reproducing apparatus shown in FIG. 1 includes a reproducing section A for reproducing signals recorded as frame images on a reproducing medium, and a recording section B for recording images. The reproducing section A includes a head 1 and a preamplifier 2, which are composed of two systems (not shown), which are switched and used for each field by a head switch (not shown). Therefore, the reproduction section includes an FM demodulation circuit 3, a de-emphasis circuit 4, a buffer amplifier 5, a terminal 6, and an FM demodulation circuit 7 in each system.
, de-emphasis circuit 8, buffer amplifier 9, terminal 1o
It is equipped with 11 is a DPSK demodulation circuit, 12 is a mechanical control, 13 is a switch, 14 is a system control, and 15, 16, and 17 are terminals.

The recording section B includes a terminal 18, a buffer amplifier 19, an emphasis circuit 20, and an FM modulation circuit 21 connected to the above-mentioned terminal 6, and a terminal 22, a buffer amplifier 23, an emphasis circuit 24, and an FM modulation circuit connected to the above-mentioned terminal 1o. Demodulation circuit 2
5, the outputs of the above-mentioned FM demodulation circuits 21 and 25 are added in an adder 26, and an ID signal created by a circuit 27 is added to the DPS and sent to the head 29 via a recording amplifier 28. Recording is performed by 29. In the figure, 30 is the system control, 31, 3
2.33 is a terminal connected to the terminals 15, 18, and 17, respectively, 34 is a mechanical control, and 35 is a switch.

The operation of the above device will be explained with reference to the flowcharts of FIGS. 2 and 3.

When the frame-field dubbing key included in the switch 35 is pressed (5201), the system control 30 outputs a dubbing signal to the terminal 31 (5202).
, the mechanical control 34 moves the head 29 to the first track (5203), and when the system control 14 detects a dubbing signal (5301), the mechanical control 12 moves the head 1 to the first recorded track (5203). (5302). The system control 30 detects whether or not the BUSY signal from the system control 14 is input through the terminal 33.
204), if not detected, READY on terminal 32
A signal is output (5205). System control 1
4 detects the READY signal from terminal 16 (S30
3) The floppy disk is played back (S304). DP
The SK demodulation circuit 11 detects frame recording or field recording, and accordingly outputs a luminance signal and a line-sequential color difference signal to terminals 6.10, respectively.

The system control 14 outputs a BUSY signal to the terminal 17 (5305). The system control 30 should detect the BUSY signal input from the terminal 33 5206
), perform field recording on floppy (5207)
. Signals input manually to terminals 18 and 22 are converted, and the DP
The ID signal created by the circuit 27 is added to S,
Recording is performed by the head 29. When the recording is completed, the system control 30 stops the READY signal output to the terminal 32 (5208). Then, the system control 30 determines whether there are two or more tracks remaining after the recorded track (5209), and if there are none, it stops the dubbing signal that was being output to the terminal 31 (5210) and ends the series of operations. . If there are two or more tracks, the mechanical control 34 moves the head 29 to two tracks.
The track is moved (S211). The system control 14 detects whether or not the READY signal is input to the terminal 16 (530B), and if the READY signal has stopped, determines whether the reproduced track is the last track recorded (530B). 5307). If it is the last track, the series of operations ends. If it is not the last track, the system control 14 stops the BUSY signal being output to the terminal 17 (5308), and determines whether a dubbing signal is being manually input to the terminal 15 (530).
9). If the dubbing signal has stopped, the series of operations is completed; if it has not stopped, the dubbing signal is transferred to the next recorded track (5310). From then on, the system control 30 is replaced by the system control 1 from 5204.
4 repeats the series of operations from 5303.

As described above, it is possible to easily obtain a floppy disk in which field recording is performed on every other track from a floppy disk in which frame recording has been performed by the above-mentioned dubbing recording.

4 and 5 are flowcharts of a second embodiment of the present invention. As in the first embodiment, the explanation will be given using the block diagram of FIG. In the case of the frame head configuration, the head 1 and the preamplifier 2 are composed of two systems (not shown), which are switched for each field by a head switch (not shown).

When the frame-field dubbing key included in the switch 13 is pressed (5401), the system control 14 outputs a dubbing signal to the terminal 15 (5402).
The mechanical control 12 moves the head 1 to the first recorded track (5403). When the system control 30 detects that a dubbing signal is input from the terminal 31 (5501), the mechanical control 3
4 moves the head 29 to the first track (55
02). System control 14 is Bt from terminal 17
5404 To detect whether the lSY signal is input or not.
), if not detected, the floppy will be played and
A luminance signal and a line-sequential color difference signal are output from the terminal 6.10 (S405). Then, the system control 14 outputs the R'E A DY signal from the terminal 16 (S40
6). System control 30 is REA from terminal 32
Detect whether the DY signal is input or not (5503)
, if detected, outputs a BIISY signal from the terminal 33 (S504). Then, the signals input from the terminals 18 and 22 are converted and field-recorded on a floppy disk by the head 29 (S505). The system control 14 detects whether the BIJSY signal is input from the terminal 16 (5407), and if detected, the READ
The Y signal is stopped (5408). The system control 30 detects whether a READY signal is input from the terminal 32 (5506), and if not detected, determines whether there are two or more tracks remaining after the recorded track (5507). If there is no remaining signal, the series of operations ends, and if there is any remaining signal, the BUSY signal output from the terminal 33 is stopped (5508). System control 1
4 detects whether a BUSY signal is input from the terminal 17 (5409), and if it is not output, it is determined whether the reproduced track is the last track recorded (5410). If it is the last track, the dubbing signal outputted to the terminal 15 is stopped (5411), and the series of operations ends. If it is not the last track, it moves to the next recorded track (S412). The system control 30 detects whether a dubbing signal is input to the terminal 31 (5509), and if it is not detected, ends the series of operations. If detected, the system control 30 causes the mechanical control 34 to control the head 2.
9 is moved by two tracks (S510). Thereafter, the system control 14 repeats a series of operations from 5404, and the system control 30 repeats a series of operations from 5503.

As described above, it is possible to easily obtain a floppy disk in which field recording is performed on every other track from a floppy disk in which frame recording has been performed by the above-mentioned dubbing recording.

FIG. 6 is a block diagram showing a third embodiment of the present invention, and FIG.
The figure shows a flowchart explaining its operation. In FIG. 6, the parts in the block diagram shown in FIG. 1 are indicated by the same reference numerals, and the explanation thereof will be omitted. In this embodiment, an HPF 36 passes FM-modulated luminance signals and color difference signals, and a D
An LPF 39 is provided to pass the ID signal modulated into PS, the output of the HPF 36 is sent to the buffer amplifier 38 via the buffer amplifier 37, and the output of the LPF 39 is sent to the DPSK demodulation circuit 1.
1 and then sent to the system control 4o. 41 is a switch.

In FIG. 6, in the case of a frame head configuration, the head 1 and preamplifier 2 are composed of two systems (not shown), which are switched for each field by a head changeover switch (not shown).

When the frame-field dubbing key included in the switch 41 is pressed (5701), the system control 40 causes the mechanical control 12 to move the head 1 to the first recorded track (5702). The system control 40 also moves the head 29 to the first track by the mechanical control 34 (57
03). The signal reproduced by head 1 is sent to preamplifier 2.
The signal is then input to the HPF 36 and LPF 39. H
The output of PF36 is sent to adder 38 via buffer amplifier 37.
The output of the LPF 39 is demodulated by the DPSK demodulation circuit 11 and output to the system control 40 (S7
04). System control 40 is DPSK circuit 27
A new ID signal is created and output to 38. The adder 38 adds the two inputs and records it on the floppy disk via the recording amplifier 28 and the head 29 (5705), and the system control 40 judges whether or not the floppy disk on the playback side is the last recorded track (5706). , if it is the last track, the series of operations ends. If it is not the last track, the system controller 40 determines whether there are two or more tracks remaining after the track recorded by the recording side floppy (S707). If there are no remaining tracks, the system control 40 ends the series of operations, and if there are, the mechanical control 12 moves the head 1 to the next recorded track (5708), and the mechanical control 34 moves the head 29 to the next recorded track 5708). do. Thereafter, the system control 40 repeats the series of operations starting from 5704.

In the present invention, if two consecutive tracks are made bare, a field image is recorded on the odd numbered track, and even if the even numbered track is an empty track, the odd numbered track is made empty and the field image is recorded on the even numbered track. Either is fine. Furthermore, the above relationship may be reversed midway through.

[Effects of the Invention] As explained above, according to the present invention, dubbing is performed from a floppy disk on which frame recording has been performed, an image is field-recorded on one track, and the other track is used as an empty track to create a track for audio dubbing. By making it possible to selectively use a means to create a floppy with
Allows to get the desired floppy.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of the first and second embodiments of the present invention, FIGS. 2 and 3 are flowcharts showing the operation of the first embodiment of the present invention, and FIGS. 4 and 5 are block diagrams of the present invention. FIG. 6 is a block diagram of the third embodiment of the invention, and FIG. 7 is a flowchart showing the operation of the embodiment shown in FIG. 6. 1...Head, 2...Preamplifier, 3.
7...FM demodulation circuit 4.8...De, emphasis circuit 5, 9.19.23...Buffer amplifier 20.24
... Emphasis circuit 21.25 ... FM modulation circuit 28 ... Recording amplifier 29 ... Head 14.3
0...System control 12.34...Mechanical control

Claims (2)

[Claims] (1) An image recording/playback device that records and plays back images on multiple tracks, which includes a playback unit that plays back images, a recording unit that records images, and a control unit that controls these parts. 1. An image recording and reproducing apparatus comprising means for reproducing a signal recorded as a frame image on a recording medium by a reproducing section and for recording a field image on the recording medium by a recording section. (2) A recording and reproducing apparatus according to claim (1), wherein a field image is recorded on one of two consecutive tracks of a recording medium, and the other track is an empty track.