JP3511647B2 - TV camera device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a television camera device, and more particularly to a television camera device used in a television broadcasting station, sports broadcasting, etc.

[0002]

2. Description of the Related Art Conventionally, this type of television camera device is shown in FIG.
As shown in, the television camera body 1 is supported on the tripod 2 so as to be rotatable in the pan direction and the tilt direction,
The cameraman 3 changes the shooting position and tracks a moving subject by changing the direction of the TV camera body 1 while viewing the image taken by the taking lens 4 on the viewfinder 5.

[0003]

However, in the conventional television camera device, the viewfinder 5 is arranged above the optical axis 6 of the taking lens 4 for the sake of operability. There is a discrepancy (parallax) between the field of view seen when the user takes his eyes off from the viewfinder 5 and the image on the viewfinder 5. As a result, even if the television camera body 1 is aimed at the target subject that the cameraman 3 has confirmed when he / she takes his / her eyes off the viewfinder 5, the position where the viewfinder 5 can see and the subject position are Since the relationship is difficult to understand, there is a drawback that the TV camera body 1 cannot be quickly aimed at the subject.

In particular, during sports broadcasting, since the subject is constantly moving, there is a drawback that it is difficult to operate and requires skill, and if there is an obstacle in the rotation range of the taking lens 4, it will be noticed. Since it is difficult, the photographing lens 4 may collide with an obstacle. The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a television camera device capable of quickly aiming the television camera body at a subject.

[0005]

In order to achieve the above-mentioned object, the present invention provides a television camera device in which a television camera body is supported on a platform so as to be rotatable in a pan direction and a tilt direction. The TV camera body supported by a pan head with the taking lens facing upward, and the TV camera body supported by the pan head and installed above the TV camera body, and divides the light from the front to provide observation light for a cameraman. A half mirror that transmits the light backward and reflects the shooting light downward toward the shooting lens of the TV camera body, and a supporting member on the platform.
And a projection means for projecting an image photographed by the television camera body onto the half mirror.

According to the present invention, in order to achieve the above object, the television camera body is panned in a pan head and tilted in a pan head.
In a television camera device that is rotatably supported in
The TV camera body supported by the camera platform with the taking lens facing backward, and the TV camera body supported by the camera platform and installed above the TV camera body, and divides the light from the front to observe light for cameraman. And a half mirror that transmits the shooting light downward and reflects the shooting light downward, and the shooting light reflected by the half mirror is reflected forward toward the shooting lens of the TV camera body. Mirror and supported on the platform via a support member ,
Projection means for projecting an image captured by the television camera body onto the half mirror.

[0007]

According to the present invention, the light from the front is split by the half mirror, the observation light for the cameraman passes through the half mirror, and the photographing light is reflected downward toward the photographing lens of the television camera body. That is, in the television camera body, the same image as the observed image transmitted through the half mirror is captured.

Therefore, if the cameraman is located behind the half mirror, the cameraman can shoot the target subject by simply changing the direction of the television camera body in the same direction as his or her own field of view. Accordingly, in the present invention, the television camera body can be quickly aimed at the subject. Further, since the image taken by the television camera body is projected on the half mirror by the projecting means, the cameraman can confirm the taken image on the half mirror.

Further, according to the present invention, the light from the front is split by the half mirror, the observation light for the cameraman is transmitted through the half mirror, and the photographing light is reflected downward, after which the television camera is reflected by the mirror. Reflects forward toward the shooting lens of the main unit. That is, in the present invention, since the image inverted by the half mirror is inverted by the reflector, the original image can be taken by the television camera body.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of a television camera device according to the present invention will be described in detail below with reference to the accompanying drawings. Figure 1
FIG. 1 is a structural diagram showing a first embodiment of a television camera device according to the present invention, and the television camera device 10 mainly includes a television camera body 12, a tripod 14, a half mirror 16, and a liquid crystal panel 18.

The television camera body 12 is fixed on the tripod 14 with the taking lens 22 facing upward through the platform 20, and is rotatably arranged by the platform 20 along two axes orthogonal to each other. To be done. The half mirror 16 is
The lower end 1 is provided on the upper part of the pillar 24 which is erected on the platform 20.
6A is fixed. Further, the half mirror 16 has its upper end portion 16B tilted forward at an angle of about 45 °, and its surface portion 16C is positioned directly above the taking lens 22. A handle 25 is provided on the column 24, and the handle 25 allows the cameraman 30 to rotate the television camera body 12 via the tripod 14.

The liquid crystal panel 18 includes a half mirror 16
On the inner surface of the hood 26 attached to the periphery of the
It is fixed right above the half mirror 16. Further, the liquid crystal panel 18 is connected to the TV camera body 12 via a cable 28 shown by a chain double-dashed line in the figure,
You can display the video taken in. Next, the operation of the television camera device according to the first embodiment configured as described above will be described.

The light from the front, that is, the photographing light 32 is split by the half mirror 16. The observation light 34 that has passed through the half mirror 16 out of the split photographing light 32 is emitted toward the cameraman 30. And half mirror 1
The photographing light 36 reflected downward by 6 is emitted toward the photographing lens 22 of the television camera body 12. That is, the television camera body 12 captures the same image as the observation light 34 transmitted through the half mirror 16 viewed by the cameraman 30.

Therefore, if the cameraman 30 is located behind the half mirror 16 as shown, the cameraman 30
By changing the direction of the TV camera body 12 in the same direction as the view of oneself, the target subject can be photographed.
As a result, in the first embodiment, the television camera body 12 can be quickly aimed at the subject. In particular, if the television camera device 10 of the present embodiment is used, the operation can be easily performed even in a sports broadcast in which the subject is constantly moving. Further, even if there is an obstacle in the rotation range of the television camera device 30, the cameraman 30 Since it is easy to find the obstacle, the TV camera device 10 does not collide with the obstacle.

Further, since the image taken by the television camera body 12 is projected on the half mirror 16 by the liquid crystal panel 18, the cameraman 30 can easily confirm the image currently taken on the half mirror 16. be able to. FIG. 2 is a structural diagram showing a second embodiment of the television camera device according to the present invention, and the same or similar members as those in the first embodiment shown in FIG. Is omitted.

In the television camera device 50 of the second embodiment, the television camera body 12 is fixed on the pan head 20 with the taking lens 22 facing rearward, and a mirror 52 is installed behind the taking lens 22 to form a half mirror. The reflected light 36 reflected by 16 is further reflected by the mirror 52 so as to be photographed by the television camera body 12. According to this structure, the image inverted by the half mirror 16 can be inverted by the reflection mirror 52 to return to the original image.
The original image can be taken by the TV camera body 12.

Therefore, in the first embodiment, a process of inverting the image taken by the television camera body 12 by the image processing unit is required, but in the second embodiment, such a process is not required.

[0018]

As described above, according to the television camera apparatus of the present invention, the cameraman observes the observation for the cameraman who passes through the half mirror among the front light split by the half mirror, and the half mirror is used. Since the reflected photographing light is photographed by the TV camera body, the cameraman can photograph the target subject only by pointing the TV camera body in the same direction as his or her field of vision. Therefore, according to the television camera device of the present invention, the television camera body can be quickly aimed at the subject. Further, since the image taken by the television camera body is projected on the half mirror by the projecting means, the cameraman can easily confirm the taken image on the half mirror.

Further, according to the television camera device of the present invention, a mirror is provided between the half mirror and the television camera device body, and the observation light inverted by the half mirror is inverted by the mirror. Can be taken with the TV camera body.

[Brief description of drawings]

FIG. 1 is an explanatory diagram showing a first embodiment of a television camera device according to the present invention.

FIG. 2 is an explanatory view showing a second embodiment of the television camera device according to the present invention.

FIG. 3 is an explanatory diagram showing an embodiment of a conventional television camera device.

[Explanation of symbols]

10, 50 ... TV camera device 12 ... TV camera body 14 ... tripod 16 ... Half mirror 18 ... Liquid crystal panel 20 ... Head 22 ... Shooting lens 52 ... Mirror

Claims (2)

(57) [Claims] 1. A television camera device in which a television camera main body is supported on a platform so as to be rotatable in a pan direction and a tilt direction, wherein the television camera is supported on the platform with a photographing lens facing upward. The main body, which is supported by the platform and is installed above the TV camera body, splits the light from the front to transmit the cameraman's observation light to the rear and directs the shooting light to the shooting lens of the TV camera body. And a half mirror that reflects the light downward, and a projection unit that is supported by the platform via a supporting member and that projects an image captured by the television camera body onto the half mirror. Camera device. 2. A television camera device in which a television camera body is supported on a pan so as to be rotatable in a pan direction and a tilt direction, and the television camera is supported on the pan with a photographing lens facing rearward. A main body, and a half mirror that is supported by the platform and is installed above the television camera main body, splits light from the front to transmit observation light for a cameraman rearward, and reflects shooting light downward. A mirror that is supported by the pan head and that reflects the shooting light reflected by the half mirror forward toward the shooting lens of the television camera body; and a mirror that is supported by the pan head via a support member A television camera device comprising: a projection unit that projects an image captured by the camera body onto the half mirror.