JPH0787546B2 - Control box for TV lens - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a control box for a TV lens, more specifically, there are many scenes to be photographed such as TV dramas, and the zooming position and the focusing position are set in each scene. Even if they are different, it relates to a control box for TV lenses that allows you to easily set the zooming position for each scene.

[Conventional technology]

Generally, a TV camera (hereinafter, referred to as a TV camera) used for shooting a television broadcast has a zooming function for shooting a large subject or a small subject, and a focusing function for focusing on a subject or blurring the subject in reverse. It is equipped.

When using such a TV camera to photograph a subject that is almost stationary, such as an announcer talking based on a manuscript of a news program, the above zooming function and focusing function are not used so much. .

However, for example, when broadcasting a theater performance of a popular singer on TV, install multiple TV cameras and set zooming and focusing to various values on each TV camera to enhance the effect on the production. There must be.

For example, as shown in FIG. 6, it is assumed that a singer sings a song at a position indicated by reference symbol A on the rectangular stage 101.

At this time, the TV camera 102 must be turned to the position of the code A, and zooming and focusing must be performed at this position.

Further, even when the above-mentioned singer moves to the position indicated by the reference symbol B, it is necessary to set the zooming and focusing of the TV camera 102, and also when the singer moves to the position indicated by the reference symbol C. Similarly, you have to set zooming and focusing.

When the subject is located at 5 to 6 positions as described above, the patent application filed on October 6, 1986 by the applicant of this patent attached to the grip rod of the TV camera 102 In the control box 103 disclosed in No. 61-237585 (Invention title: control box for TV lens),
The values of zooming and focusing in each scene of codes A, B, and C are set in advance, and a TV cameraman (not shown) indicates that the moving position of the singer singing a song is the code A, B, and C in sequence. If the setting switch buttons for zooming and the like of the control box 103 are sequentially set every time the robot moves, for example, "A → B → C", zooming and focusing are automatically set at each position.

[Problems to be solved]

By the way, as described above, if the positions of zooming and focusing are 5 to 6 positions, the zooming or the like can be sequentially performed by means (control box) having a relatively small storage capacity as shown in FIG.

However, there are many scenes when shooting a TV drama or the like over a long time of one hour or two hours, and it is necessary to set zooming and focusing of the TV camera according to each scene.

In such a case, the zooming of a large number of scenes such as 100 or 200 is stored in a control box with a small storage capacity as before, and the TV cameraman taps each scene into his head while watching the rehearsal. Big,
It is not easy to set the zooming etc. corresponding to the remembered scene as the drama progresses during the production.

[Means for solving problems]

In order to solve the above problems, the present invention sets a plurality of optical adjustment positions such as a zooming position and a focusing position of a TV lens in advance, and selects a predetermined adjustment position from the set plurality of adjustment positions. A first storage means for storing scene data of a plurality of scenes such as a TV drama in a control box for a TV lens which outputs a signal for moving the TV lens to its adjustment position by selection, Second storage means for storing the optically adjusted position data corresponding to the scene data, the scene display means for displaying and displaying the plurality of scenes in advance, and the scene displayed for the scene display means. Means for selecting any one of the scenes, and when selecting any scene from the selecting means, the TV lens is moved to an optical adjustment position corresponding to the selection of the scene. In which was to so that.

[Action]

In order to use the control box of the present invention by, for example, a TV cameraman, the scene of the TV drama is displayed in advance on the scene display means.

Then, when the same scene as the scene developed in front of the drama is selected as the drama progresses, the lens of the TV camera is automatically set to the preset zooming and focusing values.

〔Example〕

Hereinafter, a control box for a TV camera according to the present invention will be described based on an illustrated embodiment.

FIG. 1 is a front view showing a CRT which is a scene display means of a TV lens control box of the present invention, and FIG. 2 is an external perspective view of the TV lens control box of the present invention attached to a TV camera. FIG. 3 shows the TV of the present invention.
It is a block configuration diagram of a lens control box.

As shown in FIGS. 1 and 2, a TV lens control box (hereinafter referred to as a control box) 10 is attached near the viewfinder 9 of the TV camera 5.

The front side of this control box 10 has a rectangular shape
A CRT 1 is provided, and a transparent touch panel 2 is provided on the front side of the CRT. This touch panel 2
Outputs, for example, the coordinates of the pressed position as a coordinate signal.

On the screen of the CRT ₁ , a large number of scenes of a TV drama, for example, are displayed in a multi-window format such as A ₁ , A ₂ ...

That is, in the scene indicated by reference sign A ₁ , one person is standing up in the room, in the scene indicated by reference sign A ₂ two persons are projected, and in the scene indicated by reference sign A ₃ , it is on a chair. A seated person is facing the desk, and in the scene indicated by reference sign A ₄ , one passenger car is shown.

In the following, an appropriate scene is similarly displayed on other multi windows.

Further, on the lower left side of the CRT1, a "registration" frame used for predictively registering the above-mentioned scene is provided as described below, and when the registered scene is read out, A frame for "reading" and a column of "script page" showing which page of the script over several tens of pages corresponds are provided.

Next, the block configuration of the control box will be described with reference to FIG.

As shown in FIG. 3, a touch panel 2 is provided on the front surface of the CRT 1, and the touch panel 2 is transmitted from a microcomputer or the like via a touch panel interface 11 that converts a coordinate position pressed by a finger or the like into a predetermined signal. Become CPU 1
Connected to 2. An image memory unit 16 including a video-RAM is connected to the CPU 12 and the image memory unit 16 is connected to the image memory unit 16.
A video signal obtained from an image pickup device such as a CCD of a camera body (not shown) is input to 16 via an analog-digital (hereinafter referred to as A / D) converter 17. Also, this A / D
The converter 17 is also connected to the CPU 12.

The image memory unit 16 has one CR as shown in FIG.
It is connected to a processing circuit 18 for performing multi-window processing capable of displaying many images in T, and this processing circuit 18 is also connected to the CPU 12 and controlled.

The output terminal of the multi-window processing circuit 18 is connected to a digital-analog (hereinafter referred to as D / A) converter 19, and the multi-window image output is supplied to the video drive circuit 21 via this. And this video drive circuit 21
Is output to the CRT1 and a multi-window format screen as shown in FIG. 1 is displayed.

Further, a CPU memory 14 for storing an operating system and the like is connected to the CPU 12, and a keyboard 15 for inputting various instructions to the control box is further connected.

Furthermore, the CPU 12 has a shot box 13 having a memory (not shown) for recording optical position information such as a zooming position and a focusing position for each scene.
Are connected.

A focus demand that allows you to manually input focus is connected to this shot box 13.
Furthermore, a zoom rate is set so that the zoom ratio can be set.

The shot box 13 has a lens 6 of a TV camera.
Is connected via a control system (not shown), and the TV lens is automatically moved by the output signal from the shot box 13.

Next, a method of using the TV lens control box configured as described above will be described with reference to the flowcharts shown in FIGS. 4 and 5.

For example, in each scene of a TV drama, the director instructs the cameraman about zooming and focusing values in the scene.

On the other hand, when creating a TV drama, rehearsals are performed many times, but each scene during this rehearsal is stored in advance in the image memory unit of the control box as image data.

That is, the TV cameraman operates the keyboard 15 to set an address to be registered as image data in the image memory unit 16.

Next, when an appropriate input instruction is given to the keyboard 15, a video signal corresponding to the scene during rehearsal obtained from the CCD of the camera or the like is converted into a digital signal by the A / D converter 17, and the image memory unit described above. It is written in 16 specified areas (addresses).

Then, it is processed by the multi-window processing circuit 18 and, through the video drive circuit 21, a scene in which one person as shown by the symbol A ₁ of CRT ₁ is in the room is projected.

Next, if the scene shown by reference numeral A ₂ in FIG. 1 is played as the _second scene, the registration address of the image memory unit 16 is set in the same manner as described above, and the image data corresponding to the reference code A ₂ is set. To register.

Then, similarly to the above, the image as indicated by reference numeral A ₂ in FIG. 1 is displayed on the CRT 1.

In the following, a large number of scenes are sequentially stored in the image memory unit 16 during the rehearsal, as indicated by the symbols A ₃ , A _{4 in} FIG.

As described above, when 20 scenes have been accumulated as shown in FIG. 1, the "script page" is designated to sequentially record the scenes of the next page.

Further, while storing the above-mentioned image data in the image memory unit 16, at the same time, the optical position information such as the zooming position and the focusing position in the scene of the code A ₁ is shot box.
The V cameraman inputs from the zoom rate and focus demand of 13 and stores it in the memory circuit constituting the shot box 13.

In this way, the optical position information stored in the shot box 13 is stored as data corresponding to each scene, such as the symbols A ₂ , A ₃ .

Next, in order to use the control box based on the image data and the optical position information registered as described above, the following may be done.

That is, in the example of the TV drama described above, the production of the TV drama has started.

At this time, the TV cameraman turns on the "reading" position of the CRT 1 shown in FIG. 1 and inputs the "reading time" to the control box 10. Furthermore, the script is 1
If it is the first page, enter that it is the first page.

In this state, the production of the TV drama is played, and first the code
The scene is shown in A ₁ .

At this time, the TV cameraman presses the position corresponding to the code A ₁ on the CRT ₁ with his / her finger, and this press is performed on the touch panel 2
Detected by CPU1 via touch panel interface 11
Send data to 2.

Then, since the optical position information at the code A ₁ is registered as data in the memory unit of the shot box 13 as described above, the optical position information corresponding to the code A ₁ is read and the TV lens 6 Automatically set the zooming and focusing positions of.

That is, the zooming and focusing of the scene at the code A ₁ can be easily set at predetermined positions.

If one scene (code A ₁ ) is taken for a while during zooming and focusing in this state, then the _first shot is taken.
The scene is at the position indicated by the reference symbol A ₂ shown in the figure.

Also at this time, when the TV cameraman presses the position indicated by reference numeral A ₂ with his / her finger, the optical position information sent to the CPU 12 via the touch panel interface 11 and prestored in the shot box 13 is displayed on the TV lens 6 Will be sent to
The zooming position and the focusing position of the scene indicated by reference numeral A ₂ are sent to the lens 6 as data, and the lens 6
Automatically performs zooming as set.

In the following, depending on the scene of the drama being developed in front of you, as if the photographer calls the symbols A ₃ and A ₄ , if you press the screen on the CRT corresponding to each scene, you can easily get to each scene. It becomes possible to perform corresponding zooming and focusing.

In other words, the TV cameraman can check each scene displayed on the CRT1 as an image, so it is easy to set the required optical position information no matter how many scenes you should zoom or focus. Is possible.

In addition, although the case where the CRT is used as the scene display means has been described in the present embodiment, the CRT is not necessarily required. For example, a scene may be displayed in a multi-window format on a large liquid crystal, or a large number of small liquid crystals may be arranged.

Further, in the present invention, the touch panel is used when selecting the scene displayed on the CRT. However, for example, a voice identification means is used instead of the touch panel, and in FIG. 1, “A ₁ ” or “A ₂ ” is used. , Or may be input by voice.

〔effect〕

According to the present invention, there are many scenes such as TV dramas,
Even if the settings of zooming and focusing are different for each scene, it is possible to easily set zooming or the like corresponding to each scene.

[Brief description of drawings]

FIG. 1 is a front view showing an example of a scene display means of a TV lens control box of the present invention, FIG. 2 is an external view when the TV lens control box of the present invention is attached to a TV camera, and FIG. FIG. 4 is a block configuration diagram of the TV lens control box of the present invention, FIG. 4 is a flow chart showing an operation at the time of registration of the TV lens control box of the present invention, and FIG. 5 is a reading process of the TV lens control box of the present invention. FIG. 6 is a flow chart showing the operation when the conventional settings such as zooming are relatively small.
It is a conceptual diagram which shows the case where a TV control box is used. 1 ... CRT (scene display means), 2 ... touch panel (scene selection means), 5 ... TV camera, 10 ... TV lens control box, 12 ... CPU, 13 ... shot box (optical adjustment position) Storage means, second storage means), 16 ...
... image memory section (scene data storage means, first storage means), 18 ... multi-window processing circuit.

Claims (1)

[Claims] 1. A TV lens is provided by setting a plurality of optical adjustment positions such as a zooming position and a focusing position of the TV lens in advance and selecting a predetermined adjustment position from the set plurality of adjustment positions. In a TV lens control box that outputs a signal for moving to the adjusted position, first storage means for storing scene data of a plurality of scenes such as a TV drama, and an optical device corresponding to the plurality of scene data. A second storage means for storing the dynamically adjusted position data; a scene display means for displaying and displaying the plurality of scenes in advance; and an arbitrary one of the scenes displayed on the scene display means. Selecting means is provided, and when an arbitrary scene is selected from the selecting means, a signal for moving the TV lens to an optical adjustment position corresponding to the selection of the scene is output. Characterized in that as
Control box for TV lens.