JPH0220179A - Still picture voice reproducing system - Google Patents

Abstract

PURPOSE:To surely synchronize a still picture with a voice by simultaneously supplying a power source to a still picture reproducing device and a voice reproducing device by means of a power source supplying means when a first recording medium is loaded on the still picture reproducing device and a second recording medium is loaded on a voice reproducing device. CONSTITUTION:When a still picture floppy disk 6 is loaded on a still picture reproducing device 18, the loading is detected by a disk insertion detecting part 30, and a detecting signal is sent to an AND circuit 34. When an audio cassette tape 8 is loaded on the voice reproducing device, the loading is detected by a cassette insertion detecting part 32, and the detecting signal is sent to the AND circuit 34. Consequently, when the still picture floppy disk 6 is loaded on the still picture reproducing device 18 and the audio cassette tape 8 is loaded on a voice reproducing device 20, a control signal is sent from the AND circuit 34, and switches 36 and 38 are inputted. By the input of the switches 36 and 38, an alternating current power source 28 is inputted to the still picture reproducing device 18 and the voice reproducing device 20, and both are simultaneously activated.

Description

Detailed Description of the Invention [Field of Industrial Application] The present invention relates to a still image audio reproduction system, which includes a still image reproduction device, and an audio reproduction device that reproduces signals and audio for controlling still image reproduction. Regarding audio playback systems.

[Prior Art] FIG. 3 shows a conventional still image audio reproduction system. In the figure, reference numeral 18 denotes a still image reproducing device, which is supplied with power when a still image floppy disk 6 is loaded as a first recording medium, reproduces still images recorded thereon, and outputs the still images to a monitor/television 12. It is something to do. Reference numeral 20 denotes an audio device, which is supplied with power when an audio cassette tape 8 is loaded as a second recording medium, and reproduces audio signals and still image playback control signals recorded on the audio cassette tape 8. be. The control signal reproduced by the audio reproduction device 20 is transferred to the still image reproduction device 18 via the control line 16. Reference numeral 10 denotes an audio amplifier, which amplifies the audio signal reproduced by the audio reproduction device 20 and drives the speaker 14.

The audio cassette tape 8 is a well-known two-channel tape-shaped recording medium that can record an audio signal on one channel and a control signal on the other channel. The still picture floppy disk 6 is a well-known still picture recording medium, and has 50 tracks, each track having a concentric shape, and can record one field worth of still picture video signals. The recording format is tumor degree (A-
The well-known 2 (-mat) method is employed in which FM modulation is performed on X: y, line-sequential FM modulation is performed on the color difference signal y, and the color difference signals y and y are frequency-multiplexed and recorded.

Next, the operation will be explained.

The still image reproducing device 1B is activated by loading a still image floppy disk into the still image reproducing device 18.

That is, when the still image floppy disk 6 is loaded, power is supplied, the first image program recorded on the still image floppy disk 6 starts to be played, and the reproduced still image is displayed on the monitor or television. +2” will be displayed on the second screen.

On the other hand, the audio reproducing device 20 is activated by loading the audio cassette tape 8 into the audio reproducing device 20. That is, when the audio cassette tape 8 is loaded, power is supplied to the audio playback device 20, the audio cassette tape 8 is automatically played, and the recorded audio signal is transmitted through the audio amplifier IO. is output to the speaker 14. Maj=, 4-Dio Cassette 1
~ The control signal recorded on the tape is changed to No. 13 for controlling the still image reproducing device 1B, and the converted signal is sent to the still image reproducing device 18 through the control line 16, and this signal Based on this, the still image reproducing device 18 selects a reproduction track of the still image floppy disk 6.

Therefore, the display of still images is selectively controlled in synchronization with the audio signals recorded on the audio cassette tape 8.

[Problems to be solved by Mitsuaki] Since the 314 static + 1-picture audio R+) cow system was configured as described above, there were the following problems. That is, to synchronize still images and audio, the operator must insert the still image floppy disk 6 and insert the audio cassette 1.
~・Insert tape 8 at the same time-C still image playback device 1
8 and the voice reproduction device 1g 20 must be started at the same time, and it was very difficult to synchronize them. For example, if the timing of loading the still image 70ppi disk 6 into the still image playback device is different from the timing of loading the audio cassette tape 8 into the audio 14 production device 20, the synchronization of the audio and still images may be incorrect. The object of the present invention is to solve the above-mentioned problems, and it is necessary to rewind the audio cassette tape 8 to the program start position when loading the still image floppy disk 6. An object of the present invention is to provide a still image/audio playback system capable of reliably synchronizing still IE images and audio.

[Means for Solving the Problems 1] In order to achieve the above object, the present invention provides a still image reproducing device that reproduces a still image signal recorded on a first recording medium, and a still image reproducing device that reproduces a still image signal recorded on a first recording medium. Please record it on /-! i for still picture audio, which has an audio playback device that plays back both the still picture playback control signal O1l and the still picture playback control signal, and controls the playback of the picture 011 by the still picture playback device based on the still picture playback control signal that was not played back;
[In the system, when the first recording medium is loaded into the still image playback device and the second recording medium is loaded into the audio playback device, the power is turned off to the still image playback device and the audio playback device. The invention is characterized in that it is equipped with a power supply means for simultaneously supplying power.

[Function] In the present invention, when the first recording medium is loaded into the still image reproduction device and the second recording medium is loaded into the audio reproduction device, the power supply means enables the still image reproduction device and the audio reproduction device to be connected to each other. Supply power to the devices at the same time.

[Example] Hereinafter, the present invention will be described in detail with reference to the drawings.

FIG. 1 shows an embodiment of the invention.

The same or corresponding parts as in FIG. 3 are given the same reference numerals.

In the figure, 22 is a power supply control unit which detects that the still image floppy disk 6 is loaded into the still image playback device 18 and that the audio cassette tape 8 is also loaded into the audio playback device 20, and plays the still image. It supplies power to the device 18. Reference numeral 24 denotes a power supply control unit, in which the still image floppy disk 6 is loaded into the still image playback device 18, and the audio cassette tape 8 is loaded into the audio playback device 20.
It detects that the audio playback device 20 is loaded and supplies power to the audio playback device 20.

FIG. 2 shows the power supply control units 22 and 24 of FIG. In the figure, 30 is a disk insertion detection unit that detects that the still image floppy disk 6 is loaded into the still image reproduction bag M18, and 32 is an audio cassette detection unit that detects that the still image floppy disk 6 is loaded in the still image reproduction bag M18.
This is a cassette insertion detection section that detects whether the tape 8 is loaded. 34 is an AND circuit that performs an AND operation on the signals sent from the disk insertion detection section 30 and the cassette insertion detection section 32. :16.37 is a switch that receives a control signal sent from the AND circuit 34 and simultaneously supplies the AC power source 28 to the still image playback device 18 and the audio playback device 20.

Disk insertion detection section 30. The cassette insertion detection section 32, the AND circuit 34, and the switches 36 and 38 constitute a power supply means.

Next, the operation will be explained.

When the still image floppy disk 6 is inserted into the still image reproduction device 18, this insertion is detected by the disk insertion detection section 30, and a detection signal is sent to the AND circuit 34. Meanwhile, the audio cassette ~ tape 8 is inserted into the audio playback device.
When the cassette is inserted, this insertion is detected by the cassette insertion detection section 32, and a detection signal is sent to the OR circuit 34. Therefore, when the still image floppy disk 6 is inserted into the still image reproducing device 18 and the audio cassette tape 8 is loaded into the audio reproducing device 20, the AND circuit 3
A control signal is sent from 4, and switches 36 and 38 are turned on. Then, when the switch 36 and the switch 38 are depressed, the AC power supply 28 is supplied to the still image reproduction bag @ 18 and the audio reproduction device 20, and both are activated at the same time.

In the still image audio playback system of this embodiment, a still image floppy disk is inserted into the still image playback device 18, and an audio cassette tape 8 is inserted into the audio playback device 20.
Since power is supplied to the still image playback device 18 and the audio playback device 20 at the same time, the still image playback device 18 receives the still image playback control signal from the audio playback device 20 via the control line 16. Even though the still image floppy disk 6 is loaded, the still image floppy disk 6 may go out of synchronization even though the still image floppy disk 6 is loaded in the still image playback device 18. The playback control signal is not sent, and the still image floppy
It is possible to prevent inconveniences such as the same track on the disk 6 being played for a long time and causing wear.

[Effects of the Invention] As explained above, the present invention has the effect of being able to reliably synchronize still images and audio since it is configured as described above.

[Brief explanation of the drawing]

Fig. 1 is a block diagram showing a still 1F picture audio playback system according to an embodiment of the present invention, Fig. 2 is a block diagram showing the power supply control section 22, 24 of Fig. 1, and Fig. 3 is a conventional still picture sound playback system. FIG. 18... Still image playback device, 20... Audio playback device, 22, 24... Power supply control section, 28... AC power supply, 30... Disc insertion detection section, 32... Cassette insertion detection Part, 34...AND circuit, :16.3B...S, 7tchi.

Claims (1)

[Scope of Claims] 1) A still image playback device that plays back a still image signal recorded on a first recording medium, and a still image playback device that plays back audio and still image playback control signals recorded on a second recording medium, and and an audio playback device that controls still image playback by the still image playback device based on a reproduced still image playback control signal, the first recording medium being loaded into the still image playback device. What is claimed is: 1. A still image audio reproducing system comprising: power supply means for simultaneously supplying power to a still image reproducing device and an audio reproducing device when the second recording medium is loaded into the audio reproducing device.