JP3483040B2 - Video camera - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [0001] BACKGROUND OF THE INVENTION 1. Field of the Invention
A video camera that can switch and output video according to mode information
About La. [0002] 2. Description of the Related Art FIG. 3 shows an image storage process of a conventional video camera.
It is a block diagram of a science system. First, the structure of the video storage processing system of a video camera is described.
The configuration will be described. A so-called camera-integrated VTR
The video storage processing system of the video camera shown in FIG.
, CCD imaging circuit 1, signal processing circuit 2, Y / C circuit
3, first memory 4, first control means 5, switch circuit
(SW1) 6, display means 7, recording means 8
It is. The above-described CCD imaging circuit 1 includes an imaging lens, a camera,
And a CCD circuit (both not shown)
I have. The signal processing circuit 2 mainly includes a CDS circuit, A
GC circuit and A / D converter (neither shown)
I have many. The Y / C circuit 3 is a signal processing circuit
2 based on the digital video signal output from
Degree signal and digital color difference signal (RY, BY) respectively
Output separately. The above-mentioned first memory 4 is a so-called flash memory.
Digital memory output from the Y / C circuit 3.
Luminance signal and digital color difference signal (RY, BY)
Is a memory control signal (write) applied from the first control means 5.
1 video field period (hereinafter referred to as the
1 field). The first control means described above
Step 5 is for the user to set a “still image” selection switch (not shown).
According to the still image storage instruction signal generated when operating
A write control signal is output to the first memory 4 and turned off.
The switching control signal is output to the switch circuit 6. The above mentioned
The switch circuit 6 is provided from the Y / C circuit 3 and the first memory 4.
Digital luminance signal and digital color difference signal output respectively
(RY, BY) is supplied from the first control means 5
The output is switched according to the switching control signal. The above display
The means 7 is a digital luminance signal output from the switch circuit 6.
Signal and digital color difference signal (RY, BY)
D / A converter, analog luminance signal and analog
Encoding the color difference signals (RY, BY)
Encoder that outputs image signal, reproduces this composite video signal
Viewfinder to display as image (all shown)
Zu) respectively. The recording means 8 is provided with a switch.
Digital luminance signal and digital color output from the switch circuit 6.
D / A converter for D / A conversion of difference signal (RY, BY)
Barter, analog luminance signal and analog color difference signal (R-
Y, BY) and outputs a composite video signal
Encoder, the composite video signal and the audio signal
Video signal recording system of a well-known VTR
Are also not shown). It is not described here in detail.
However, the video camera is compatible with the video storage
It is needless to say that a well-known audio processing system is provided in parallel. Next, the video storage processing system having the above-described configuration will be described.
Will be described. Shoot a subject with a video camera
Then, the optical image of the subject constitutes the CCD imaging circuit 1
After passing through the imaging lens, it is irradiated on the light receiving surface of the CCD,
After photoelectric conversion in a predetermined field period,
Sequentially output to the next signal processing circuit 2 as a video signal.
You. The CDS circuit constituting the signal processing circuit 2 is a CCD.
Noise reduction of line sequential video signals supplied from the imaging circuit 1
Then, the amplitude of the line-sequential video signal is constantly
After performing AGC that keeps the time constant, the A / D converter
A / D conversion of the line sequential video signal
Digital line sequential video signal (digital video signal)
To the Y / C circuit 3 of FIG. The Y / C circuit 3 performs signal processing.
Digital video signal supplied from the
Separated into degree signal and digital color difference signal (RY, BY)
These signals are sent to the first memory 4 and the switch circuit 6.
Output each. Here, a still image is stored in the first control means 5.
The above-mentioned "still image" selection switch for sending an instruction signal
(1) Operate the "still image" selection switch
If not, (2) operate the “still image” selection switch
The following description will be made in two cases. (1) Operate the "still image" selection switch
If not If the user does not operate the “still image” selection switch,
Still image from the "still image" selection switch to the first control means 5
No storage instruction signal is sent. As a result, the first control
Stage 5 does not output a write control signal to the first memory 4;
The switched control signal is not output to the switch circuit 6. In response to this, the first memory 4 stores the first control
Since the write control signal is not supplied from the control means 5, Y /
Digital luminance signal and digital color output from C circuit 3
The difference signal (RY, BY) is not written (i.e., one field).
To the switch circuit 6).
Are also digital luminance signals and digital color difference signals (RY, B
-Y) is not output (that is, a one-field still image is output).
Do not force). The switch circuit 6 is provided with a first control means 5.
Is not supplied with a switching control signal from
It has been switched to the C circuit 3 side. This allows the switch
The circuit 6 receives the digital luminance signal output from the Y / C circuit 3 and
Display means 7 and digital color difference signals (RY, BY).
And recording means 8 respectively. Like this
Thus, the display means 7 can display a moving image of the subject.
Then, the recording means 8 can record the moving image. (2) Operating the "still image" selection switch
If Each time the user operates the “still image” selection switch,
Still from the "still image" selection switch to the first control means 5
An image storage instruction signal is sent. As a result, the first control
The means 5 sends the number of write control signals corresponding to the number of operations to the first
Output to the memory 4 for a certain period of time,
Is output to the switch circuit 6 for a certain period. In response to this, the first memory 4 stores the first control
Each time a write control signal is supplied from the control means 5, Y / C
Digital luminance signal and digital color difference output from the circuit 3
The signals (RY, BY) are sequentially written (that is, one field).
Memory after a certain period of time)
The digital luminance signal and the digital
The color difference signals (RY, BY) are sequentially output (ie, one color).
Output this still image of the field). The switch circuit 6 is provided with a first control means 5.
The switching control signal is supplied from the
Is switched from the Y / C circuit 3 side to the first memory 4 side.
You. This causes the switch circuit 6 to exit from the first memory 4.
Digital (corresponding to one field of still image)
The luminance signal and the digital color difference signal (RY, BY) are displayed.
It can be supplied to the indicating means 7 and the recording means 8, respectively.
You. Thus, the display means 7 can display a still image of the subject.
And the recording means 8 can record this still image.
And After a certain period of time in the above state, the first control
A read control signal is output from the control means 5 to the first memory 4.
And the switching control signal is also sent to the switch circuit 6 at the same time.
Since the data is no longer output, the first memory 4
Represents the digital luminance signal output from the Y / C circuit 3 and the digital
Write the total color difference signals (RY, BY)
There is no output to the switch circuit 6. The switch circuit 6 includes a first control unit 5
Switch control signal is no longer supplied from the
Switch from the first memory 4 to the Y / C circuit 3 again
Is done. As a result, the switch circuit 6 is switched from the Y / C circuit 3
The digital luminance signal and digital color difference signal (R-
Y, BY) are supplied to the display means 7 and the recording means 8, respectively.
Return to the original state. Thus, the display means 7 displays the movement of the subject.
The image can be displayed again, and the recording means 8 operates this operation.
The image can be recorded again. The digital signal output from the switch circuit 6 will now be described.
Luminance signal and digital color difference signal (RY, BY)
Are supplied to the display means 7 and the recording means 8, respectively. The signal is supplied from the switch circuit 6 to the display means 7.
Digital luminance signal and digital color difference signal (RY, B
-Y) is D / A converted by a D / A converter, where
The analog luminance signal and the analog color difference signal (RY, B-
Y), and then output to the encoder. The encoder is
The analog luminance signal and the analog color difference signal (RY,
BY) to generate and output a composite video signal.
You. And this composite video signal is supplied to the viewfinder
Here, depending on the operation state of the “still image” selection switch,
Image (moving image or still image)
You. The switching circuit 6 supplies the data to the recording means 8.
Supplied digital luminance signal and digital color difference signal (R-
Y, BY) is D / A converted by a D / A converter.
Here, the analog luminance signal and the analog color difference signal (RY,
(BY) and output to the encoder. Enko
The analog luminance signal and the analog color difference signal (R-
Y, BY) to generate and output a composite video signal
I do. The composite video signal is a well-known VTR video signal.
The composite video signal is supplied to an audio signal recording system.
It is recorded on a magnetic tape together with the number. Images recorded here
The image is an image corresponding to the operation state of the "still image" selection switch.
(Moving image or still image). [0017] SUMMARY OF THE INVENTION As described above, the conventional
Video camera is operating the "still image" selection switch
The switching of the switch circuit 6 is controlled in accordance with the
Supplies a still image to both the display means 7 and the recording means 8
The `` still image '' selection switch.
If not, the moving image is displayed on both the display means 7 and the recording means 8.
Supplied and also operate the "still image" selection switch
The still image is supplied to both the display means 7 and the recording means 8
Things. For this reason, conventional video cameras are
The same image as monitored at 7 is recorded by the recording means 8.
Therefore, for example, the user monitors “still image”
Recording a "moving image" by the recording means 8 at the same time
Individual motions, or the user
"Still image" is recorded by the recording means 8 at the same time
Each of the individual actions to perform was impossible. Further, the conventional video camera has one feed.
Using the first memory 4 composed of
Stores the still image and switches the still image
Once the switch has been operated, the first memory 4
This is to continuously output one "still image". others
For a fixed period of time, a video
If you want to continuously capture frames without missing
(For example, you can take a time-lapse shot
If you want to disassemble and play back the motion)
The first "still image" for one field can be obtained
However, the “still image” for the next one field has passed for a certain period
Since this cannot be output later,
Can you get continuous time-lapse without missing?
Was. [0019] [Means for Solving the Problems] To solve the above-mentioned problems.
To generate and output a video signal according to the optical image to be captured.
Video signal generating means, and a storage means for storing the video signal
And output from the video signal generating means and the storage means.
Switching means for switching and outputting a video signal;
Display means for displaying video signals output from the
Recording means, the storage means and the switching means according to mode information.
Control means for performing storage control and switching control for the stage.
Equipped video camera,The video signal generating means
Is at least a moving image, still image or time-lapse image
Can be generated, The video signal generating unit is configured to output the video signal
At least a moving image, still image or
Generate a pictureThe storage means is, The video signal raw
Stores still images or time-lapse images generated by the generator
in order toMultiple field memories or frame memories
And the control means comprises,At least the image type
Combined with the display and / or record selection status
ToSaidAccording to mode information, While the video camera is recording
AtNote for the storage means and the switching means
Memory and switching controlIs possibleCharacterized by
Video cameraIt is. [0020] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a video camera according to the present invention will be described with reference to FIGS.
Explanation will be given along 2. FIG. 1 shows the essentials of the video camera of the present invention.
FIG. 2 is a block diagram of an embodiment of a video storage processing system,
5 is a time chart for explaining the operation of the second memory.
is there. The same components as those described above are denoted by the same reference numerals.
And the description is omitted. The video camera according to the present invention is generally called CC
D Imaging circuit 1, signal processing circuit 2 and Y / C circuit 3
Video signal (digital) generated and output according to the optical image
Luminance signal and digital color difference signal (RY, BY))
In this connection, at least the moving image output from the Y / C circuit 3 is displayed.
Image signal, still image output from second memory 9 described later
Or display one of the video signals of the time-lapse image and
And / or record (monitor the selected image only with the display means 7)
The selected image is recorded only by the recording means 8 and the selected image is recorded.
The image is monitored and recorded by the display means 7 and the recording means 8)
It has a configuration. The main part of the video camera according to the present invention
The configuration of the video storage processing system shown in FIG.
A first memory in the video storage processing system of the video camera;
4 in the second memory 9 and the first control means 5 in the second control.
Means 10 and a switch circuit (SW1) 6
Replaced by switch circuits (SW2, SW3) 11 and 12, respectively
And outputs from both the Y / C circuit 3 and the second memory 9.
To both input sides of the switch circuits 11 and 12,
A display means 7 is provided on both output sides of the switch circuits 11 and 12.
Recording means 8 is the same as the one connecting both input sides.
As shown in FIG. 1, the CCD imaging circuit 1
Path 2, Y / C circuit 3, display means 7, recording means 8, second
The memory 9, the second control means 10, the switch circuit (SW
2) It is roughly composed of 11 and switch circuit (SW3) 12.
It is. The video signal generating means, which is a component of the present invention, uses CC
D imaging circuit 1, signal processing circuit 2, Y / C circuit 3,
The storage means is the second memory 9, and the switching means is the switch circuit 1.
1, 12; display and recording means are display means 7 and recording means
8. The control means is composed of the second control means 10, respectively.
You. The second memory 9 stores a field memo.
For example, five memory units 9a to 9 using a RAM as a memory
e, and as a result, the Y / C circuit 3
Digital luminance signal and digital color difference signal (R-
Y, BY) is intermittently stored for a certain period of time, and
It is possible to output in a read cycle. Here the second
Of the case where a field memory is used as the memory 9 of FIG.
To improve the quality of the images stored here
It is also possible to configure the second memory 9 as a frame memory
Of course, it is capable. The second control means 10 is, for example,
“Mode 1” selection switch to “Mode 6” selection switch
The switch is activated by the user selecting one of the switches.
Memory writing according to the generated mode selection signal (mode information)
Control signal (shown in FIG. 2H) and memory read control
The control signal (waveforms 9a to 9e shown in FIG.
The memory 9 (a part of the required memory units 9a to 9e or
Output to all) and a switch suitable for this mode selection.
Output the switching control signal to the switch circuits 11 and 12, respectively.
You. For example, the cycle of the memory read control signal is a Y / C circuit.
Digital luminance signal and digital chrominance signal output from 3
(RY, BY) is twice the period of two fields.
You. The "mode 1" selection switch to the "mode 1"
The mode 6 selection switch operates in the following 6 modes (mode 1 to mode
The state corresponding to each of the steps 6) is selected. Mo
The contents of mode 1 to mode 6 are as follows. (1) Mode 1 ... while monitoring "still image"
Record "moving image" (2) Mode 2: While monitoring “moving image”, “static”
Still image " (3) Mode 3: Monitor and record the same “still image”
Record (4) Mode 4: While monitoring the "frame shot image"
"Moving image" (5) Mode 5: While monitoring “moving image”, “
Take a picture (6) Mode 6: Monitor only the same “frame shot image”
One record The “time-lapse image” used here will be described later.
Then, a moving image of half of the motion of the subject is
It refers to the dropped intermittent slow motion video
You. The switch circuits 11 and 12 are connected to Y /
Digital output respectively from the C circuit 3 and the second memory 9
The luminance signal and the digital color difference signal (RY, BY) are
2 according to the switching control signal supplied from the control means 10
To output. Here, when mode 1 to mode 6 are selected,
Of second memory 9 and switch circuits 11 and 12 in case of
Will be described briefly. When the "mode 1" selection switch is operated Mode corresponding to mode 1 from "mode 1" selection switch
The selection signal is output to the second control means 10 and receives the selection signal.
The second control means 10 outputs a memory write control signal and a memo.
The re-read control signals are output to the second memory 9 respectively. Ma
The second control means 10 connects the input side of the switch circuit 11 to the second
2 to the memory 9 side, the input side of the switch circuit 12 is set to Y / C
A switching control signal for enabling switching to the circuit 3
Output to the switch circuits 11 and 12, respectively. As a result, the second
The memory 9 is a digital luminance signal output from the Y / C circuit 3.
And a digital color difference signal (RY, BY) in the memory 9
a to 9e are written sequentially and continuously for each field.
The still image written in any of the memory units 9a to 9e
The digital luminance signal and digital color difference signal (R-
Y, BY) at the required timing, and
The switch circuit 11 is connected to the display means 7 by a second memory.
9, a digital luminance signal and a
Digital color difference signals (RY, BY).
The switch circuit 12 outputs to the recording means 8 from the Y / C circuit 3.
Digital luminance signal and digital color difference which are moving images
The signal (RY, BY) is output. When the "mode 2" selection switch is operated Mode corresponding to mode 2 from "mode 2" selection switch
The selection signal is output to the second control means 10 and receives the selection signal.
The second control means 10 outputs a memory write control signal and a memo.
The re-read control signals are output to the second memory 9 respectively. Ma
The second control means 10 sets the input side of the switch circuit 11 to Y
The input side of the switch circuit 12 is connected to the second
A switch control signal to enable switching to the
Output to the switch circuits 11 and 12, respectively. As a result, the second
The memory 9 is a digital luminance signal output from the Y / C circuit 3.
And a digital color difference signal (RY, BY) in the memory 9
a to 9e are written sequentially and continuously for each field.
The still image written in any of the memory units 9a to 9e
The digital luminance signal and digital color difference signal (R-
Y, BY) at the required timing, and
The switch circuit 11 is connected to the display means 7 by the Y / C circuit 3.
Digital luminance signal and digital signal output from
Output the color difference signals (RY, BY)
The circuit 12 outputs to the recording means 8 from the second memory 9
Digital luminance signal and digital color difference
The signal (RY, BY) is output. When the "mode 3" selection switch is operated Mode corresponding to mode 3 from the "mode 3" selection switch
The selection signal is output to the second control means 10 and receives the selection signal.
The second control means 10 outputs a memory write control signal and a memo.
The re-read control signals are output to the second memory 9 respectively. Ma
The second control means 10 inputs the input of the switch circuits 11 and 12
Switching system that can switch both sides to the second memory 9 side
Control signals are output to the switch circuits 11 and 12, respectively. this
As a result, the second memory 9 stores the digital data output from the Y / C circuit 3.
Luminance signal and digital color difference signal (RY, BY)
In the memory units 9a to 9e sequentially for each field.
At the same time as writing, write to any of the memory units 9a to 9e.
Digital luminance signal and digital color difference
Output signals (RY, BY) at required timings,
In response to this, the switch circuits 11 and 12 switch the display means 7 and
From the second memory 9 Y / C circuit 3 to the recording means 8
Digital luminance signal and digital color to be a still image
The difference signals (RY, BY) are output respectively. When the "mode 4" selection switch is operated Mode corresponding to mode 4 from the "mode 4" selection switch
The selection signal is output to the second control means 10 and receives the selection signal.
The second control means 10 outputs a memory write control signal (FIG. 2).
(H)) and a memory read control signal (FIG. 2 (I)).
Output the waveforms 9a to 9e) shown in FIG.
I do. Further, the second control means 10 controls the input of the switch circuit 11.
Input side to the second memory 9 side, the input side of the switch circuit 12
Control signal to enable switching to the Y / C circuit 3 side
Are output to the switch circuits 11 and 12, respectively. This result
As a result, the second memory 9 stores the digital data output from the Y / C circuit 3.
Luminance signal and digital color difference signal (RY, BY)
At the timing shown in FIG.
In addition to writing data sequentially for each field,
9a to 9e, which is a still image written in any one of
Luminance signal and digital color difference signal (RY, BY)
At the required timing in the “time-lapse image” state,
In response to this, the switch circuit 11 sends the
2 which is a frame-capture image output from the memory 9
Outputs luminance signal and digital color difference signal (RY, BY)
Switch circuit 12 applies Y /
A digital luminance signal and a moving image output from the C circuit 3
And digital color difference signals (RY, BY). When the "mode 5" selection switch is operated Mode corresponding to mode 5 from the "mode 5" selection switch
The selection signal is output to the second control means 10 and receives the selection signal.
The second control means 10 outputs a memory write control signal (FIG. 2).
(H)) and a memory read control signal (FIG. 2 (I)).
Output the waveforms 9a to 9e) shown in FIG.
I do. Further, the second control means 10 controls the input of the switch circuit 11.
The input side of the switch circuit 12 to the Y / C circuit 3
A switching control signal enabling switching to the second memory 9 side.
Are output to the switch circuits 11 and 12, respectively. This result
As a result, the second memory 9 stores the digital data output from the Y / C circuit 3.
Luminance signal and digital color difference signal (RY, BY)
At the timing shown in FIG.
In addition to writing data sequentially for each field,
9a to 9e, which is a still image written in any one of
Luminance signal and digital color difference signal (RY, BY)
At the required timing in the “time-lapse image” state,
In response to this, the switch circuit 11 sends a Y signal to the recording means 8.
/ C digital luminance signal as a moving image output from the circuit 3
And digital color difference signals (RY, BY).
The switch circuit 12 is connected to the display means 7 by a second memory.
9 and a digital luminance signal which is a time-lapse image output from
And digital color difference signals (RY, BY). When the "mode 6" selection switch is operated Mode corresponding to mode 6 from "mode 6" selection switch
The selection signal is output to the second control means 10 and receives the selection signal.
The second control means 10 outputs a memory write control signal (FIG. 2).
(H)) and a memory read control signal (FIG. 2 (I)).
Output the waveforms 9a to 9e) shown in FIG.
I do. The second control means 10 includes switch circuits 11, 1
2. Both input sides can be switched to the second memory 9 side.
Outputs a switching control signal to switch circuits 11 and 12, respectively.
You. As a result, the second memory 9 outputs from the Y / C circuit 3.
Digital luminance signal and digital color difference signal (RY,
BY) at the timing shown in FIG.
a to 9e are written sequentially and continuously for each field.
The still image written in any of the memory units 9a to 9e
The digital luminance signal and digital color difference signal (R-
Y, BY) at the required timing in the form of
In response to this, the switch circuits 11 and 12 receive
A second memory 9Y / C for the indicating means 7 and the recording means 8.
Digital luminance signal which is a frame image output from the circuit 3
Signal and digital color difference signal (RY, BY) respectively
I do. "Mode 1" selection switch to "mode 6"
When none of the selection switches are operated "Mode 1" selection switch to "Mode 6" selection switch
The mode selection signal is sent to the second control means 10 from any of
Since no signal is output, the second control means 10 changes this state.
Identified as "normal mode" and the second control means 10
No memory write control signal is output to the second memory 9.
Further, the second control means 10 inputs and outputs the switch circuits 11 and 12.
Switching system that can switch the power side to the Y / C circuit 3 side
Control signals to the switch circuits 11 and 12, respectively (switches).
Switch circuits 11 and 12 in the normal switching state). As a result,
2 memory 9 is in a non-operating state, and is output from the Y / C circuit 3.
Digital luminance signal and digital color difference signal (R-
Y, BY) are not stored and output, and the switch circuit 11,
Reference numeral 12 denotes a Y / C circuit 3 for the display means 7 and the recording means 8.
Digital luminance signal and digital signal output from
And outputs respective color difference signals (RY, BY). Here, the operation of the second memory 9 described above will be described.
This will be described with reference to FIG. FIG. 2A shows Y / C times.
Digital luminance signal and digital chrominance signal input from path 3
No. (RY, BY), FIG.
Digital luminance signal and digital color difference signal
(RY, BY) and FIGS. (C) to (G) show the second memo.
Storage state of each of the memory units 9a to 9e constituting the memory 9
(H) and (I) show the second control means 10.
Memory control signal and memory read control signal
It is a figure for explaining each issue. In the figure, ABC ...
・ Each alphabetic character is a file related to the input / output of the second memory 9.
Explain the changing state of the field image (still image of one field)
It is used for convenience for the sake of clarity.
As shown in (A) and (B), the A image of one field is
Immediately after inputting to the second memory 9, one fee
Is output, and this A image continuous output state is 1
Until the C image of the field is input to the second memory 9
The input / output state of the second memory 9 following two fields can be easily determined.
It is shown. Now, the second memory 9 will be described with reference to FIG.
As shown in (B), each of the input A image to I image
Continuously output field images as two-field images,
After this, each field image from J image to R image to be input
The output of the image is stopped, and thereafter, the S image to the a image to be input are input.
Output each field image as a two-field image
Force, so that 9 fields worth of image (A image ~
The I image, the S image to the a image,...
Time extended to the field) and output, and 9 fields
Do the images (J image to R image, ...) of the image of the image be dropped?
In this case, from the second memory 9, the 1
/ 2 moving images (A to I) continue for 18 fields
This is followed by a moving image (S image
Image-a image) continues for 18 fields.
Intermittent scenes in which half of the moving image is dropped at regular intervals
A low motion video can be obtained (this intermittent slow motion
It is mentioned earlier that motion images are called “time-lapse images”.
As it was). Here, the above-mentioned modes 1 to 6 are selected.
Memory operation of the second memory 9 when the
Will be explained. As described above, the mode 1 to mode 3
In this case, the second memory 9 is used as a "still image" memory.
In the case of Modes 4 to 6, the second memory 9 stores
Since each of them is used as a "taken image" memory,
In the explanation, the memory for "still image"
The operation will be described separately for two cases that operate as a "image" memory.
You. [0038] [When used as “still image” memory] (mode 1 to mode
(When mode 3 is selected) "Mode 1" selection switch to "Mode 3" selection switch
From the mode selection signal corresponding to mode 1 to mode 3
Is output to the control means 10 of the second
The control means 10 includes a memory write control signal and a memory read control signal.
Control signals to the second memory 9 respectively. At this time,
For example, among the memory units 9a to 9e constituting the second memory 9,
Of storing one still image using the memory unit 9a of FIG.
Means that the second control means 10 selects the memory unit to be used.
Memory section selection signal that activates
The control signal and the memory read control signal are transmitted to the memory section 9a.
(The memory units 9b to 9e store
(Inactive state because no section selection signal is supplied.) Also,
Although not described in detail here, when obtaining various image effects,
When a still image is required, the second control means 10
Outputs the memory write control signal and the memory read control signal.
One of the memory units 9a to 9e to be used
Or sending the memory section selection signal to all of them
Thereby, a plurality of still images can be obtained. As a result, the memory section 9a is provided with the second control means.
10 to the memory section selection signal of “select memory section 9a”,
Memory write control signal and memory read control signal
Then, the first memory to which the memory section selection signal is supplied is
Y / C times in the field period according to the memory write control signal.
Write the A image applied from the path 3
During the period that the read control signal is supplied,
The A image that has been output is output. Thus, "mode 1" selection
Selection switch to "mode 3" selection switch is selected
And the second memory 9 stores a still image (A picture) for one field.
Image) can be output. [0040] [When used as memory for “frame shot image”] (mode 4
-When mode 6 is selected) "Mode 4" selection switch-"Mode 6" selection switch
From the mode selection signal corresponding to mode 4 to mode 6
Is output to the control means 10 of the second
The control means 10 is provided with a memory write control signal (see FIG. 2 (H)).
2) and memory read control signals (waves shown in FIG.
Each of the shapes 9a to 9e) is output to the second memory 9. this
In the case, the memory units 9a to 9e configuring the second memory 9
Is supplied with all the memory section selection signals (memory write
All control signals and memory read control signals are applied
Needless to say). First, the memory section 9a is shown in FIG.
(C), (H), (I) As shown in 9a, the second control
The memory section selection signal of “select memory section 9a” from the means 10
Signal, memory write control signal and memory read control signal
When supplied, this memory section selection signal is supplied.
During the first field period, Y is set according to a memory write control signal.
When writing the A image applied from the / C circuit 3,
Field to which a memory read control signal is supplied
During the scanning period, the A image stored here is output. Memory section selection signal of "select memory section 9a"
In synchronization with the end of the supply of “memory unit 9b selection”
When the memory unit selection signal is supplied, the memory unit 9b
(A), (B), (D), (H), (I) 9b
As described above, the second filter to which the memory section selection signal is supplied.
Y / C circuit according to the memory write control signal during the hold period
Write the B image applied from 3 and memory
During the two-field period during which the read control signal is supplied,
The B image stored here is output. Similarly, the memory section of "select memory section 9b"
In synchronization with the end of the supply of the selection signal, the “memory unit 9c
When the memory section selection signal of “selection” is supplied, the memory section 9
c is the third field to which the memory section selection signal is supplied.
Y / C circuit 3 according to the memory write control signal during the
Write the C image applied from
In the two-field period in which the output control signal is supplied,
The C image stored in the memory section 9 is output.
Synchronized with the end of the supply of the memory section selection signal of "c selection"
And a memory section selection signal of “select memory section 9d” is supplied.
Then, the memory section 9d receives the memory section selection signal.
During the fourth field period, the memory write control signal
Writes D image applied from Y / C circuit 3 in response
In addition, the two buffers to which the memory read control signal is supplied
Output the D image stored here during the field period,
Then, supply of the memory section selection signal of “select memory section 9d” is provided.
Synchronized with the end of the pay, the memo of "memory section 9e selection"
When the memory section selection signal is supplied, the memory section 9e
During the fifth field period when the cell selection signal is supplied,
Applied from the Y / C circuit 3 in response to the memory write control signal.
Write the read E image and read the memory read control signal
Is stored here for two field periods during which
Output the current E image. Thus, using the memory units 9a to 9e,
A picture in the first to fifth field periods
Image to E image are successively output every two field periods
This can be continued using the memory units 9a to 9d.
F in the sixth to ninth field periods
Image to I-image are successively arranged in the eleventh field period
Output every two field periods during the eighteenth field period
be able to. That is, the second control means 10 controls the ninth fee.
Memory sections 9a to 9e in synchronization with the start of the
The memory write control signal output to the
Stop until the last period. Thereby, the memory units 9a to 9a
9e is a J image (first image) applied from the Y / C circuit 3.
0 field period) to R image (18th field period)
Is not written. However, the memory section selection signal and the memo
The re-read control signal is supplied sequentially and continuously as before.
The memory section 9e during the ninth and tenth field periods
Can output the E image continuously, and similarly, the eleventh,
Continuous output of F image from memory unit 9a for 12 field periods
And the G picture from the memory section 9b during the thirteenth and fourteenth field periods.
Images are continuously output and stored in the memory section for the fifteenth and sixteenth field periods.
The H image is continuously output from 9c, and the 17th and 18th images are output.
Continuous output of I-picture from memory section 9d
Can be. Therefore, the second memory 9 (the memory units 9a to 9a)
9e), a moving image (A image to
I image) for 18 fields, followed by the subject
18 moving images (S image to a image) of 1/2 of the motion
The moving image of the subject's movement is constant
It responds to intermittent slow motion video that has dropped frames at intervals.
Digital luminance signal and digital color difference signal (RY,
BY) can be sequentially and alternately output. The above-mentioned second memory 9 has five fields.
It is composed of five memory units 9a to 9b which are
As a result, images for 9 fields (A image to I image,
Double the time expansion of S image to a image (to 18 fields)
Time extension), and while the J image to R image are dropped
It is possible to obtain missing slow motion video.
Increase or decrease the number of memory units of the second memory 9
The rate of the above-mentioned time extension according to
It goes without saying that you can do it. [0047] As described above, the video camera of the present invention is used.
Is related to the video signal generated and output according to the optical image to be captured
Display at least moving images, still images or time-lapse images
And / or recording.
A video signal that generates and outputs a video signal according to the optical image to be imaged
Generating means, storage means for storing the video signal,
A video signal output from the video signal generation means and the storage means;
Switching means for switching and outputting, and output from the switching means
Display means for displaying a video signal and recording means for recording,
The storage means and the switching means according to the mode information.
Video with control means for controlling storage and switching
In the camera, the storage means stores a plurality of field memos.
Or a frame memory, and the control means
At least an image type and a selection letter related to display and / or recording
The memory device according to mode information which is a combination of
Storage control and switching control for the step and switching means
That's why conventional video cameras can never play
Time-lapse images (intermittent slow motion video)
It can be obtained by switching between images and still images.
(For example, while shooting a golf player,
When the mode is switched to
Monitor time-lapse images of swing motion in real time
Can have the unique effect of being able to
Displaying still images or time-lapse images on display means (for example,
-Recording means (built-in) while monitoring with the viewfinder
VTR) to record the moving image.
Record still image or time-lapse image with built-in VTR
Monitor moving images while in the viewfinder
And still images or time-lapse images
Monitor with the viewfinder and record on the built-in VTR at the same time.
Various monitors and recording conditions can be selected when recording is possible
Can be obtained.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram of an embodiment of a video storage processing system which is a main part of a video camera according to the present invention. FIG. 2 is a time chart for explaining an operation of a second memory; FIG. 3 is a block diagram of a video storage processing system of a conventional video camera. [Description of Signs] 1 CCD imaging circuit 2 signal processing circuit 3 Y / C circuit 7 display means 8 recording means 9 second memory (storage means) 10 second control means 10 11, 12 switch circuit

Claims (1)

(57) Claims 1. A video signal generating means for generating and outputting a video signal in accordance with an optical image to be captured, a storage means for storing the video signal, and the video signal generating means and storage Switching means for switching and outputting a video signal output from the means, display means for displaying the video signal output from the switching means, recording means for recording, and storage control and switching for the storage means and the switching means according to mode information Control means for performing control, wherein the video signal generating means reduces a number of video signals based on the video signal.
Generate at least moving images, still images or time-lapse images
And the storage unit stores the still image generated by the video signal generation unit.
A plurality of field memories or frame memories for storing image or lapse image, the control means, in response to the mode information comprising a combination of a selected state according to the display and / or recording at least image type, even during the recording operation of the video camera, said storage means and a video camera, wherein the configuration der Rukoto capable storage and switching control for the switching means. "