JPS62272780A - Image pickup device - Google Patents

Abstract

PURPOSE:To modify a reproducing frame feed speed with less input means by providing a setting means to set a single frame image picking up or consecutive frame image picking up in an image pickup mode, and providing a control means to control whether the data is continuously reproduced for one-picture share or plural-picture share corresponding to the setting state of the setting means in the reproduction mode. CONSTITUTION:During the time when a consecutive image pickup switching switch 13 is set in single frame pickup side S, the picking up of an image is executed for one-frame share even of a release switch 12 is in a depressed-state, but if the switch 13 is set in either speed mode L, M, or H, the device operates at the frame-shifting speed corresponding to the respective speed modes of consecutive frame image pickup as long as the switch 12 is in pushed-down state. In the reproduction mode, in case the switch 13 is set in the single pickup frame side S, the fame is shifted forward or backward for one frame per each one time pushing an up switch 15 and a down switch 16. On the other hand, in case of the switch 13 is set in either speed mode L, M, or H of consecutive image picking up, the frames of reproduced signals are consecutively shifted forward or backward at a speed corresponding to the frame shifting speed L, M, or H as long as switches 15 and 16 are kept in pushed-down state, but if the switches 15 and 16 are no longer depressed, the shifting of frames is stopped, and further if the release switch 12 is pushed down, the reproduction is finished.

Description

[Detailed Description of the Invention] [Industrial Application Field] The invention relates to an imaging device that can record and reproduce photographed images on a recording medium, and in particular, the invention relates to an imaging device that can record photographed images on a recording medium and reproduce them. The present invention relates to an imaging device that can control playback.

(Prior Art) In general, in conventional imaging apparatuses of this type that can record photographed images on a recording medium and playback the photographed images in one step, input switches such as a photographing information input switch, a manual switch for commanding reproduction, etc. There are a large number of means, and from the viewpoint of increasing the size of the imaging device, it has not been possible to instruct changes in the frame feed speed of reproduced images.

[Problems that the invention solves]

Therefore, the purpose of the invention of wood was to solve these problems,
It is an object of the present invention to provide an imaging device capable of changing playback and frame feed speeds with a small amount of human power.

[Means for solving problems]

In order to achieve such an object, the present invention provides an imaging means that converts a photographic screen into an electrical signal and outputs an image signal, an exposure means that inputs an optical image of the photographic screen into the imaging means, and an imaging mode or reproduction mode. a first manual means for switching one of the modes; a setting means for setting either single shooting or continuous shooting in the imaging mode switched by the first manual means; and a setting means for setting an image signal of the imaging means to a recording medium. A recording means for recording, a reproduction means for reproducing the recorded image signal in the reproduction mode switched by the first manual means, and an image signal recorded on the recording medium according to the setting state of the setting means. The present invention is characterized by comprising a control means for controlling whether to continuously reproduce one screen or a plurality of screens.

(For I) In the present invention, in the shooting mode set by the first input means, the shooting frame advancing state is set by the setting means for setting single shooting or continuous shooting, and in the playback mode, the shooting frame advance state is set by the setting means for setting single shooting or continuous shooting. Depending on the instructions, the control procedure can continuously reproduce one screen or multiple double-sided screens.

(Embodiments) Hereinafter, embodiments of the present invention will be described in detail and specifically with reference to the drawings.

FIG. 1 shows a circuit configuration in an embodiment of the present invention.

In FIG. 1, l is an optical system for forming an image of a subject, 2a and 2b are an aperture driver and an aperture, and 3a
and 3b are a shutter driver and a shutter. 4 is an image sensor such as a CCD that converts a subject image into an electrical signal; 5 is a recording signal processing circuit that converts the signal from the image sensor into a recording image signal; 6 is a recording circuit that records the recording signal on a recording medium; 7 is a recording A reproduction signal processing circuit reproduces an image signal from the medium, and 8 is an output terminal thereof.

9 is a photometric circuit for measuring the brightness of a subject; 10 is an arithmetic control circuit for controlling the entire embodiment of the present invention; and 11 is a shutter dial for setting the shutter speed.

12 is a release switch for instructing photography, and a switch SWI is turned on and off depending on the length of the pressing stroke.
and a switch SW2. At the end of a short press stroke, only switch SWI is turned on, and at the end of a long press stroke, switch SWI and switch SW2 are turned on. Switch SWI is a switch that instructs photometry,
The switch SW2 is a switch that instructs recording of a photographed image.

Reference numeral 13 denotes a changeover switch (referred to as a continuous shooting changeover switch) for setting the frame speed for single shooting and continuous shooting.

14 is a mode changeover switch for switching between shooting (recording) mode and playback mode; 15 is a switch that advances image frame-by-frame when set to playback mode; 1;
6 is a switch for returning frame advance.

Next, the operation of the embodiment of the present invention will be explained.

The photographing mode signal of the mode changeover switch 14 is manually applied to the terminal toh of the arithmetic and control circuit IO to set the photographing mode. When the photometry start switch is turned on in this mode, the photometry circuit 9 is activated, and its output Ev is output to the calculation control circuit 1.
0 terminal 10d. The arithmetic control circuit IO calculates the aperture to be controlled (AV value) according to equation (1) based on the shutter speed information (Tv value) and Ev value manually input from the shutter dial 11 via the terminal 10e.

8v = Ev −Tv
----(+)Next, when the release switch 12 is pressed down, a signal instructing photography is input to the terminal 10f of the arithmetic and control circuit lO, which connects the terminals 10a and lOb and turns on the aperture driver 2a and shutter driver 3a. The aperture 2b and shutter 3b are driven through the aperture 2b and the shutter 3b. Next, the image sensor 4 is exposed to light, and the photoelectrically converted image signal is converted into a recording signal by a recording signal processing circuit 5, and then recorded on a recording medium by a recording circuit 6.

When the continuous shooting changeover switch 13 is set to single shooting S, one frame is taken even when the release switch 12 is pressed down.

In addition, if the continuous shooting selector switch 13 is set to one of the three speed modes L, M, or H, while the release switch 12 is pressed down, shooting will be performed at the frame rate corresponding to each continuous shooting speed mode. Records are taken and repeated.

Next, the playback mode will be explained.

When the mode changeover switch 14 is switched to the playback mode, a playback mode signal is input to the terminal 10h of the arithmetic control circuit 10. Further, the recording circuit 6 reads an image signal from the recording medium according to the output signal from the terminal 10c of the arithmetic control circuit 10, and sends it to the reproduction signal processing circuit 7. The reproduction signal processing circuit 7 converts the read signal into a reproduction image signal suitable for reproduction, such as NTSG, and outputs it from the terminal 8.

When the continuous shooting selector switch 13 is set to single shooting mode 1 "'S", the up switch 15 and down switch 1
Each press of 6 moves the frame forward and backward by one frame. At this time, the frame is configured so that the frames do not advance even if the up switch 15 and down switch 16 are kept pressed. On the other hand, the continuous shooting switch
If the continuous shooting speed mode is set to "L", "M", or "°H°", if you keep the up switch 15 and down switch 16 pressed, the camera will change to "L".
, "M", "°N", the frames are continuously advanced forward and backward at a predetermined speed.Furthermore, if you stop pressing switch 15 or 16, the advance of the frames is stopped. When the release switch 12 is pressed, playback ends.

Next, the display of input information will be explained.

FIG. 2 (^) shows the display device 21 in the first embodiment of the present invention.
An example of the display of manpower information is shown below. In Figure 2, 10
0, 102, 104 is a display area that displays two-digit numbers or characters using a liquid crystal device, etc., where each digit consists of seven segments.
1,105 indicates "M", "D" indicating the 1st day of the month and 1 year.
' This is a display area that displays the character "Y". 106,1
07, 108, and 109 are the display areas showing the set continuous shooting speed mode and single shooting mode, and the continuous shooting speed code "S",
Either "L", "M", or "H" is displayed.

Figure 2 (B) shows an example of a display in the photographing mode, for example, the year, month and date of March 5, 1986 is displayed in the single photographing mode "S°".

FIG. 2(C) shows an example of a display in playback mode.

The display "PLAY" means playback, and the frame position being played back M'° indicates up/down frame feed or medium speed continuous feed. Therefore, the operator can check manual information and playback information on the display.

FIG. 3 shows the control procedure of the arithmetic control circuit IO in the first embodiment of the present invention.

Note that this control procedure is stored in a glue-only memory (IIOM) with a built-in arithmetic control circuit.

In FIG. 3, when the mode changeover switch 14 is manually operated on the camera mode, it is determined in step 5100 whether or not the mode changeover switch 14 is manually operated in the photography mode. If not, the process advances to step 5120 since the playback mode is set. When the input is determined to be a shooting mode instruction, it is determined whether the switch SWI of the release switch 14 is turned on. If not, the process waits for the switch SWI to be pressed. When the switch SWI is pressed, an instruction to start shooting is determined, and step 51
Proceed to 02.

In step 5102, a disk rotation motor that rotates the recording medium in the recording circuit is started.

In step 5103, the photometry circuit 9 is instructed to photometer the subject. In step 5104, the aperture value (heavy value) is calculated based on the photometric information and the shutter speed input from the shutter dial 11, and the camera waits for a photographing instruction. Step 5105
When it is confirmed in step SlO[i that the release switch 12 is pressed, that is, that the switches SWI and SW2 are turned on, in step 5107, the viewfinder mirror is raised, the aperture 2b is narrowed down, and the recording head in the recording circuit 6 is turned on. to a predetermined track position on the medium. If the switch SWI is not turned on in step 5105, the process advances to step 5140 and the rotating motor is stopped.

Further, if switch SW2 is not turned on in switch 510B, the process returns to step 5103 and photometry is performed again.

In step 5108, the shutter driver 3a is instructed to open the shutter 3b, and photography is performed at a predetermined shutter speed. In step 5109, the shutter driver 3a is instructed to close the shutter 3b, the finder mirror is lowered, and the aperture 2b is opened (steps 5110 to 5).
111). In step 5112, the recording circuit 6 is commanded to record the image signal sent to the recording circuit 6 via the CCD 4 and recording signal processing circuit 5, and the process advances to step 5113. In step 5113, it is determined whether the shooting mode is single shooting mode.

If not, the set continuous shooting speed is read, the continuous shooting interval time is calculated (steps 5114 to 5115), and the process returns to step 5106 to continue continuous shooting. Step 511
If it is determined that the single shooting mode is selected in step 3, the process proceeds to step 51.
At 40, the disk rotation motor is stopped and the photographing is completed.

In step 5120, it is determined whether the set mode is the reproduction mode, and if not, the process returns to step 5100. When the reproduction mode is set, the recording circuit 6 is commanded to reproduce in step 5121, and the recording head is set at a predetermined track position on the recording medium. In the next step 5122, it is determined whether reproduction is permitted by the switch Swl.

Naino and Momi wait for the input of the switch SWI. switch SW
When playback is permitted by I, the disc rotation motor is started and "PLAY" is displayed on the display 21 (steps 5123-5124). Step 512
In step 5, it is determined whether or not the up switch 15 is pressed. When the uP switch 15 is pressed, 1 is added to the frame number K (step 51261, step 51
Proceed to 30. If the UP switch 15 is not pressed, it is determined in step 5127 whether the down switch 16 is pressed.

When the down switch 16 is pressed, 1 is subtracted from the set frame number K (step 2 block 5128).
, proceed to step 5130. If the down switch 16 is not pressed, the process advances to step 5131. In step 5130, the image signal corresponding to the frame number is stored and the recording head is moved to a track position on the recording medium. In step 5131, the frame number K is displayed on the display 21.

In the next step 5132, it is determined whether the switch SWI is pressed for the second time. If not, the process advances to step 5133, where it is determined whether the shooting mode is single shooting mode. If it is determined in step 5131 that the switch SWI has been pressed for the second time, the process advances to step 5140, where the disk rotation motor is stopped and the present control procedure is ended.

If the mode is single shooting mode, the process returns to step 5125. If no, the frame speed set in step 5134 is read and the frame speed is displayed on the display 21 (step 51
34) 11 In the next step 5135, the screen playback interval is calculated from the frame speed, is set, and the process returns to step 5125.

Thereafter, by repeating the above-mentioned procedure in response to instructions for photographing and ambidextrous recording, it is possible to record photographed images and perform ambidextrous imaging.

FIG. 4 shows a circuit configuration in a second embodiment of the invention. The second embodiment has the same configuration as the first embodiment except that the changeover switch 14 shown in FIG. 1 is not provided.

In the second embodiment, one-frame shooting is performed, and then in the playback mode, the up switch 15 and the down switch 16 are turned on.
If the time is less than the predetermined time, the frames played back and forward advance by one frame. Further, if the switch 15 or 16 is held down for a predetermined period of time, the frames are advanced forward or backward at a constant speed. If this speed is relatively slow, you can advance at a constant speed from the beginning by pressing switch 15 or 16 as shown in Figure 5 (^), or if you press it relatively quickly and accidentally press it once, it will advance two frames. If there is a possibility, as shown in FIG. 5(^), it is also possible to advance one frame immediately by pressing the switch 15 or 16, and then to advance continuously by one frame if the switch is pressed for more than a certain period of time.

FIG. 6 shows an arithmetic control circuit lO in the second embodiment of the present invention.
An example of the control procedure is shown below.

When the mode changeover switch 14 is manually operated to the photographing mode, it is determined in step 5200 whether or not the photographing mode is manually operated. If no, it is a playback monitor setting, so go to step 5.
Proceed to 220. When it is determined that the manual input is an instruction to enter the photographing mode, it is determined whether the switch SWI of the release switch 14 is turned on. If not, the process waits for the switch SWI to be pressed. When the switch SWI is pressed, it is determined that this is an instruction to start photographing, and the process advances to step 5202. In step 5202, a disk rotation motor that rotates the recording medium in the recording circuit is started.

In step 5203, the photometry circuit 9 is instructed to photometer the subject. In step 5204, the aperture value (Av
value) and wait for instructions to shoot. When it is confirmed in steps 5205 and 5206 that the release switch 12 is pressed, that is, the switches SWI and SW2 are turned on, the finder mirror is raised and the diaphragm 2b is closed down in step 3207, and the recording head in the recording circuit 6 is set on the recording medium. Move to a predetermined track position.

If the switch SWI is not turned on in step 5205, the process advances to step 5240 and the rotating motor is stopped. Further, if the switch SW2 is not turned on in step 5206, the process returns to step 5203 and photometry is performed again. In step 5208, the shutter driver 3a is instructed to open the shutter 3b, and photography is performed at a predetermined shutter speed. In step 5209, the shutter driver 3a is instructed to close the shutter 3b, the viewfinder mirror is lowered, and the aperture 2b is opened (step 52
10 to 5211) Step S2!2 instructs the recording circuit 6 to record the image signal sent to the recording circuit 6 via the CCD 4 and the recording signal processing circuit 5, and in step S2!
Proceed to step 3. In step 5140, the disk rotation motor is stopped, and the photographing ends.

In step 5220, it is determined whether the set mode is reproduction mode, and if not, the process returns to step 5200. When the reproduction mode is set, the recording circuit 6 is commanded to reproduce in step 5221, and the recording head is set at a predetermined track position on the recording medium. In the next step 5222, it is determined whether reproduction is permitted by the switch SWI. If no, wait for the human power of the switch SWI. When playback is permitted by the switch SWI, the disc rotating motor is started and PLAY'' is displayed on the display 21 (Stellab 5223-5224).

In step 5225, it is determined whether the up switch 15 is pressed. When UP switch 15 is pressed, add 1 to frame number K (step 5126).
, proceed to step 5213. If the UP switch 15 is not pressed, the down switch 1 is pressed in step 5227.
It is determined whether or not 6 is pressed. When the down switch 16° is pressed down, 1 is subtracted from the frame number K (step 5228), and the process proceeds to step 5230. If the down switch 16 is not pressed, the process advances to step 5213. In step 5230, the image signal corresponding to the frame number is stored and the recording head is moved to a track position on the recording medium. In step 5231, the frame number K is displayed on the display 21.

In the next step 5232, it is determined whether or not the switch SWI is pressed for the second time. If no, proceed to step 5233, set the playback frame advance to a predetermined time, and proceed to step 5.
Return to 225.

If the switch SWI is pressed for the second time in step 5231, the process proceeds to step 5240, where the disk rotation motor is stopped and the present control procedure is ended.

Thereafter, photographing and playback can be performed by repeating the above-mentioned procedure.

(Effects of the Invention) According to the present invention, since the playback frame advance speed can be changed with a small amount of human power, the captured screen can be played back in more playback states, and the imaging device does not become larger.

[Brief explanation of drawings]

Figure 1 is a block diagram showing an example of the configuration of the first embodiment of the tree invention, and Figures 2 (A)', (B), and (C) are explanations showing examples of displays in the first embodiment of the tree invention. 3 is a flowchart showing the control procedure in the first embodiment of the tree invention, FIG. 4 is a block diagram showing an example of the configuration in the second embodiment of the tree invention, and FIG. 5 (8), (B) 6 is a timing chart showing the timing of reproduction frame advance in the second embodiment of the wood invention, and FIG. 6 is a flowchart showing an example of a control procedure in the second embodiment of the wood invention. Figure 2 (B) Figure 2 (A)

Claims (1)

[Scope of Claims] 1) Imaging means for converting a photographic screen into an electrical signal and outputting an image signal; Exposure means for inputting an optical image of the photographic screen into the imaging means; and either an imaging mode or a playback mode. The first to switch
input means; a setting means for setting either single shooting or continuous shooting in the imaging mode switched by the first input means; and a record for recording the image signal of the imaging means on a recording medium. means, in the reproduction mode switched by the first input means, a reproduction means for reproducing the recorded image signal; and an image signal recorded on the recording medium according to the setting state of the setting means. An imaging device comprising: a control means for controlling whether to continuously reproduce one screen or multiple screens.