JPH03208479A - Video image device - Google Patents

Abstract

PURPOSE:To store a stored picture by providing a removable memory and to store a succeeding picture by replacing the memory section. CONSTITUTION:When a video signal outputted from a reproduction signal processing circuit 4 is watched as a still picture, a switch 11 is thrown to the position of the memory operating mode, the video signal is A/D-converted by an A/D converter 5 and the result is recorded onto an IC memory card 21 connecting to a connector 22. The picture stored once is permanently stored by replacing the IC memory card 21 because the IC memory card is formed to be attachable and detachable. When the stored video signal is read out, the signal is converted into an analog signal through a D/A converter circuit 7 and outputted from an output terminal 9 while being selected by a changeover switch 8.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a video device that records images in a memory device such as an IC memory card.

BACKGROUND OF THE INVENTION In recent years, with the advent of full-scale widespread use of video recorders, video tape recorders equipped with a system for storing still images in IC memory have been actively developed. An overview of the conventional videotape V coder with IC memory function is explained below. FIG. 2 shows a schematic block diagram of a conventional video tape recorder with an IC memory function. Second
In the figure, the head is for reading out the signal t-a recorded in the magnetic data recorder 2#i magnetic data recorder 2 which records the IFi video information, and the video signal read by head 2 is The video signal is amplified by the amplifier 3 to the optimum V level of 1V, and the video signal increased by the head amplifier 3 is converted into a video signal by the reproduction signal processing circuit 4. 5 is an A/D conversion circuit that converts the video signal output from the reproduced signal processing circuit 4 from an analog signal to a digital signal.
), the digital signal output from the A/D conversion circuit 5 is stored in the memory section 6. 7 is a D/A conversion circuit that converts the digital signal output from the memory section 6 into an analog signal, and the output signal of this D/A conversion circuit 7 and the output signal of the reproduction signal control circuit 4 are switched. Turned off by switch 8
The video signal is then output from the output terminal 9.
10 is a system controller ν unit that controls the operation of the Fi-link; 11 is a series of digital/L/circuit circuit systems including an A/D conversion circuit 5, a memory unit 6, and a D/A conversion circuit 7; This is a switch that commands the system control section l.
O is the A/D conversion circuit 5, the clock decoding 12, and the memory section 6.
a signal 13 for controlling its operation, a clock signal l4 for the D/A conversion circuit 7, and a signal rF. The control signals are supplied to each of the 15 units.

A series of these operations will be explained below.The video signal of the magnetic tape 1 is read by the head 2, and the head and receiver 3
Amplify with The amplified video signal is sent to the reproduction signal processing circuit 4
It is outputted from the output terminal 9 as a t-way video signal.

On the other hand, when it is desired to output still images among the old video signals outputted from the reproduction signal processing port 4, the selector switch 11 is switched to the memory excitation mode side, and the video signal is converted to an A/D converter circuit 5. The stored video signal f is passed through the D/A conversion circuit 7, converted to D/A, and output from the t1 output terminal 9, which is switched by the changeover switch 8. Here, a series of memory III2+ operations are performed by clock signals 12, 14 and control signals 13, 15 which are output from the system controller A/unit 10 by switching the switch 11 (D). In the above-mentioned conventional Maki-Aru, the IC memory part that stores still images is fixed, so it is not possible to store the next image while retaining the image pattern that has been stored. The present invention solves the above problem,
By replacing the memory part t, it is possible to store 9th order images,
Furthermore, the objective is to provide an imaging device that makes it possible to retain images once stored for many years. j1! Means for Solving IM In order to solve problem 1i1 above, the video apparatus of the present invention digitally converts a video signal output from a reproducing means for reproducing a video signal recorded on a recording medium or a video signal input from the outside. 〃An A/D converter that converts into a signal, and the A/D converter that converts the
The video device has a memory section for storing a D-converted video signal t, and a D/A converter section for converting the dizota v signal outputted from the memory group into a gold analog signal, and the memory section is configured to be removable. It was something like that. Effect: With the above structure, by converting the memory St of, for example, an IC memory card, which is stored as a still image,
It allows you to memorize the next image without deleting the previously memorized image! Furthermore, once an image is stored, it can be retained and stored for many years.

EXAMPLE Hereinafter, an example of the present invention will be explained based on the drawings. FIG. 1 is a schematic block diagram of a video tape recorder with an IC memory function according to an embodiment of the present invention. In Fig. 1, parts that operate in the same way as in Fig. 2 are marked with the same numbers, and detailed explanations are omitted. In FIG. 1, reference numeral 21 indicates an IC which is an example of a removable memory section.
This is a connector for connecting a memory card, 22t-jIc memory card 21, and is provided between the A/D conversion circuit 5 and the D/A conversion circuit 70. These series of operations are explained below. All video signals of the a9K Dedel are read by head 2 and amplified by head amplifier 3. The amplified video signal passes through the reproduction signal processing circuit 4t- and is outputted from the output terminal 9 as a video signal. On the other hand, if you want to appreciate the video signal output from the reproduction signal processing circuit 4 as a still image, switch the switch to the memory operation mode side.
After the video signal '5c is A/D converted by the A/D conversion circuit 5,
The information is recorded on the IC memory and card 2l connected to the connector 22.

Since the IC memory card 21 is in a removable format, images once stored can be retained for a long time by replacing the IC memory card 21'i. When reading out the stored video signal 'k, it is converted to an analog signal through the tliD/A conversion circuit 7, switched to L by the changeover switch 8, and outputted from the output terminal 9. Here, a series of memories wjJt
t'' is a 9V Sdem control p by switching the switch 11 to D.
- clock signal 12.14J-morning control signal 13.15 output from the control section 10. ? As described above, according to the present invention, by providing a removable memory section, it is possible to store old images, and by replacing the memory section, it is possible to Money can be memorized. Once you have memorized the canvas, it will last forever υ
It can be held and written on, making it possible to realize an excellent video tape V coder.

[Brief explanation of drawings]

Fig. 1 shows a diagram of an image device according to one embodiment of the present invention.
, the second prisoner is a block diagram of a conventional film display device. 1... Magnetic tape, 2... Head, 3... Head amplifier, 4... Playback signal processing l! il road, 5...A
/D conversion block, 7... D/A converter, 8... Selector switch, 9... Output terminal, 10... System controller A/section, 1l... Memory operation start command switch, l2...A/D conversion clock signal, l3...control signal for memory section, 14...D/A conversion clock signal,
15... Changeover switch control signal, 21... IC memory card (memory section), 22... Connector. ”−
1'y ch dimension Akatsuki＋＋＋＋＋＋＋ 翫

Claims (1)

[Claims] 1. A converting the input video signal into a digital signal
a D/A conversion section, a memory section that stores the video signal A/D converted by the A/D conversion section, and a D/A conversion section that converts the digital signal output from the memory section into an analog signal. A video device, wherein the memory section is configured to be removable.