JPH04242381A - Movie camera - Google Patents

Abstract

PURPOSE:To realize the movie camera with excellent operability which easily and surely implement desired still image pickup during moving image pickup. CONSTITUTION:A moving type connection terminal 60a being a component of a 1st switch being a leg lock switch is in contact with a fixed type connection terminal 60b by arranging an image pickup button 50 to a 1st changeover position to implement movie image pickup. Then connection terminals 54a, 54b being components of a 2nd switch S2 are in continuity with each other via a conduction position 50a of the image pickup button 50 by throwing the image pickup button 50 to a 2nd switching position during the movie image pickup to attain still image pickup. Thus, desired still image pickup is easily and surely implemented during the movie image pickup only by selecting the position of the single image pickup button 50.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a movie camera that can freely switch between still photography and movie photography with a single photography button.

0002

[Background Art] Recently, moving images (hereinafter referred to as movies)
Movie cameras have become popular because they can easily take pictures. This movie camera generally uses light from an object to be emitted from an optical section having a group of photographic lenses to an image reading section equipped with a CCD, etc., and photoelectrically reads the image. By loading the video cassette after recording the image signal into, for example, an image reproducing device, the image signal is reproduced as a visible image on a CRT or the like.

By the way, when a movie camera of this type is used to take a movie of a subject, there is a demand for capturing a desired still image (hereinafter referred to as still) of the subject. That is, if it becomes possible to perform still photography during movie photography and then continue movie photography, it is possible to obtain desired still reproduction images in addition to continuous movie reproduction images.

0004

[Problems to be Solved by the Invention] In this case, the movie camera is equipped with a movie shooting button for switching ON/OFF of movie shooting, and this movie shooting button is usually pressed once. The camera is equipped with a so-called rec-lock type switch that starts movie shooting when operated and ends movie shooting when pressed again. Therefore, if this type of rec-lock type switch could be effectively used to double the movie shooting button as a still shooting button, it would be possible to provide a movie camera with excellent operability. The development of a movie camera with a still shooting function has been expected for some time.

The present invention solves this type of problem, and provides a movie camera that can easily and reliably perform desired still photography during movie shooting, and has excellent operability. The purpose is to

[0006]

[Means for Solving the Problems] In order to achieve the above object, the present invention provides a shooting button for shooting a subject, and a shooting button for movie shooting by disposing the shooting button at a first switching position. a first switch that starts and ends movie shooting by placing the shooting button again in the first switching position; and a first switch that causes the shooting button to be placed in the second switching position during movie shooting. It is characterized by comprising a second switch for switching ON/OFF of still photography.

[0007]

[Operation] In the movie camera according to the present invention described above, once the shooting button is placed at the first switching position, movie shooting is started via the first switch. When the photographer operates the shooting button to the second switching position, the second switch is driven and a still image of a predetermined image during movie shooting is taken. Furthermore, the movie shooting is ended by placing the shooting button at the first switching position. Therefore, the photographer can easily and reliably perform the desired still shooting when shooting a movie by simply selecting the position of this single shooting button between the first switching position and the second switching position. .

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a movie camera according to the present invention will be described in detail below with reference to the accompanying drawings.

In FIG. 2, reference numeral 10 indicates a movie camera according to this embodiment. This movie camera 10
The camera body 12 is provided with a camera body 12 and a grip 14, and the camera body 12 is provided with an optical section 16, a sound collecting microphone 18, an open/close type strobe light emitting section 20 for still photography, and a viewfinder section 21, and the strobe light emitting A strobe control section 22 for driving section 20 is arranged on grip 14 . Inside this camera body 12 is a video cassette 3.
0 can be loaded freely, and the grip 14 is provided with a release switch 32.

The optical section 16 includes a photographic lens group 34 and an aperture 3.
6, and as shown in FIG. 3, a subject image is formed on an image reading section 38 having a CCD via this optical section 16. An image processing unit 40 is connected to this image reading unit 38,
An image recording section 42 is connected to this image processing section 40 . The image recording section 42 includes a magnetic head (not shown) for recording image signals on a video tape (not shown) to which the video cassette 30 is attached. The image processing section 40 and the image recording section 42 are connected to a control section 44, and an AE control section 46 for driving the aperture 36, a strobe control section 22, and a release switch 32 are connected to the control section 44. has been done.

As shown in FIG. 1, the release switch 32
The shooting button 50 is pressed outward from the grip 14 via the spring 52, and movie shooting is started by placing the shooting button 50 at the first switching position (position shown in FIG. 5) Y. Additionally, a first switch S1, which is a rec-lock type switch, terminates movie shooting by placing the shooting button 50 in the first switching position Y again; Still photography can be turned on/off by being placed at switching position (position shown in Figure 4)
A second switch S2 for switching the FF is provided.

The second switch S2 has connecting ends 54a and 54b arranged apart from each other, and the connecting ends 54a and 54b are spaced apart from each other.
4a and 54b come into contact with the conductive portion 50a of the photographing button 50, thereby bringing the conductive state, that is, the still photographing ON state. This first switch S1 has a rod 58 fixed to the shooting button 50.
The movable connecting end 60a is connected to the rod 8, and when the rod 58 is pressed once, the movable connecting end 60a and the fixed connecting end 60b come into contact and movie shooting is maintained in the ON state, and the rod 58 is pressed once. When the button 58 is pressed again, the movable connecting end 60a and the fixed connecting end 60b come into contact and movie shooting is turned off.

Next, the operation of the movie camera 10 configured as described above will be explained based on the flowchart shown in FIG. 6 and the timing chart shown in FIG. 7.

First, the camera body 12 of the movie camera 10
After the camera is opened and the video cassette 30 is loaded into the image recording section 42, the photographer holds the grip 14 of the movie camera 10 and presses the shooting button 50, which constitutes the release switch 32, while looking through the finder section 21. Press against the spring 52. Therefore, as shown in FIG. 4, at the second switching position conduction (step 1). When the shooting button 50 is further pressed and placed at the first switching position Y in FIG.
0a and the fixed connection end 60b come into contact, and movie shooting is started (steps 2 and 3). When the pressing action on the shooting button 50 is released, this shooting button 5
0 is displaced outward of the grip 14 through the elastic force of the spring 52, and the second switch S2 is turned off (step 4). Here, although the movable connection end 60a constituting the first switch S1 is separated from the fixed connection end 60b, the ON state of movie shooting is maintained, and this movie shooting continues. .

Then, when the photographer presses the shooting button 50 and places the shooting button 50 in the second switching position X in order to shoot a desired still of the subject during movie shooting, the second switch S2 is turned on. The first switch S1 is turned on (step 5), and still photography is performed if the first switch S1 is turned on (steps 6 and 7). that time,
As shown in FIG. 7, from the field A1 to the second switch S2
When is turned ON, still photography is performed in the next field B1, the still photography image is recorded in the movie shooting image, and second step S2 is turned ON only in field B2.
Even if a still photographed image is recorded in the next field A2.

Furthermore, when the photographing button 50 is pressed, the first
When placed at the switching position Y, the movable connection end 60a and the fixed connection end 60b constituting the first switch S1 come into contact, turning off movie shooting and ending the shooting of the subject.

In this case, in this embodiment, the photographer starts movie shooting by once placing the shooting button 50 at the first switching position Y, and also operates the shooting button 50 during movie shooting. By then driving the second switch S2, desired still photography can be performed. In particular, by simply operating a single shooting button 50, it becomes possible to easily and reliably perform the desired still shooting while shooting a movie while looking through the viewfinder section 21, and achieves excellent operability. The effect of being able to do this is obtained.

Note that when the first switch S1 is pressed, a signal is derived from the control section 44 to the AE control section 46, and the aperture 3
6 is driven, and the light from the subject passes through the photographing lens group 34 and the aperture 36 that constitute the optical section 16, is irradiated onto the image reading section 38, is read photoelectrically, and is further introduced into the image processing section 40. The signal is converted into an image signal and introduced into the image recording section 42. In this image recording section 42, the end of the video tape in the video cassette 30 is connected to a magnetic head (
(not shown), and the image signal is recorded via this magnetic head.

On the other hand, when the second switch S2 is pressed again during movie shooting, the control section 44 sends the strobe control section 2
2, the strobe light emitting section 20 is driven to emit light, and the control section 44 supplies the strobe light emitting section 20 with a signal to the AE control section 46.
A signal is supplied to the diaphragm 36 to adjust the opening degree of the diaphragm 36. The light from the subject is converted into an image signal and supplied to the image recording section 42 via the optical section 16, image reading section 38, and image processing section 40, and the image recording section 42 stores the movie image on the video cassette 30. Subsequently, a still image is recorded only in a specific field, and then an image signal related to movie shooting is continuously recorded.

The video cassette 30 after photographing is taken out from the camera body 12 and loaded into an image reproducing device (not shown). The stills and/or movies recorded on this video cassette 30 are then displayed as visible images on a CRT or the like via an image reproducing device.

[0021]

[Effects of the Invention] According to the movie camera according to the present invention,
The following effects can be obtained.

Once the shooting button is placed at the first switching position, movie shooting is started via the first switch, and when the shooting button is operated to the second switching position, movie shooting is started. A predetermined image of is still photographed. Therefore, the photographer can easily and reliably perform the desired still shooting when shooting a movie by simply selecting the position of this single shooting button between the first switching position and the second switching position. At the same time, it becomes possible to realize excellent operability.

[Brief explanation of the drawing]

FIG. 1 is a longitudinal sectional side view of a shooting button and first and second switches constituting a movie camera according to the present invention.

FIG. 2 is a side view of the movie camera.

FIG. 3 is a block diagram of the movie camera.

FIG. 4 is an explanatory diagram of a contact state between the photographing button and a second switch.

FIG. 5 is an explanatory diagram of a contact state between the photographing button and a first switch.

FIG. 6 is a flowchart showing the operation of the movie camera.

FIG. 7 is a timing chart of the operations of the first and second switches and the photographing state.

[Explanation of symbols]

10...Movie camera 12...Camera body 14...Grip 16...Optical section 20... Strobe light emitting part 22... Strobe control section 21...Finder section 30...Video cassette 32...Release switch 44...Control unit 50... Shooting button 54a, 54b...connection end 60a, 60b...Connection end S1, S2...switch

Claims (1)

[Claims] Claim 1: A shooting button for shooting a subject;
a first switch that starts movie shooting when the shooting button is placed in a first switching position and ends movie shooting when the shooting button is placed again in the first switching position; A movie camera comprising: a second switch for switching ON/OFF of still photography by arranging the photography button in a second switching position.