JPH06203609A - Lighting system - Google Patents

Abstract

PURPOSE:To simplify and expedite preparation of lighting and dramatic presentation and reduce the personnel by efficiently and precisely conducting various controls such as postures of a plurality of luminaires. CONSTITUTION:Each luminaire 3a, 3b... is provided with a camera 14 for taking the image of the lighting direction of the luminaire 3a, 3b...; a distance sensor 15 for detecting the distance to a lighting target of the luminaire 3a, 3b...; and a focus driving part 23 for automatically focusing the luminaire 3a, 3b... on the basis of the distance detected by the distance sensor 15, and it is also provided with a display part 5 for displaying the image of each camera 14.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting device suitable for providing a plurality of lighting devices whose posture, light distribution, and elevation can be remotely controlled in a television studio, a stage, etc., and more particularly to a plurality of lighting devices. The present invention relates to a lighting device provided with a camera and a distance sensor.

[0002]

2. Description of the Related Art Conventionally, in this type of lighting device, a plurality of lighting fixtures are attached to a television studio, a stage, etc., and the postures, light distribution, elevation, etc. of these lighting fixtures are remotely controlled by a control console or the like.

[0003]

However, in such a conventional lighting apparatus, while a plurality of lighting fixtures are installed in a television studio, a stage, etc., they are installed in a sub-adjustment room or the like, which is remote from these lighting sites. A control console is installed.

For this reason, an operator who performs various controls such as the posture of each lighting fixture by operating the control console cannot directly see the lighting site such as a television studio.

Therefore, conventionally, a person who directly looks at the light distribution or the like at the lighting site and instructs various controls such as the posture of each lighting fixture,
At least two operators who operate the control console are required to receive this instruction in a sub-adjustment room or the like, which is remote from the lighting site, and perform control in accordance with the instruction.

[0006] For this reason, at least these two persons are required, and it is also necessary that the mutual communication of both parties is accurate, and there is a problem that the work efficiency of these is low and it is complicated.

Therefore, the present invention has been made in consideration of such circumstances, and an object thereof is to control various postures of a plurality of lighting fixtures with high efficiency and high precision.
An object of the present invention is to provide a lighting device capable of simplifying lighting preparation and production and reducing the number of personnel.

[0008]

The present invention is configured as follows in order to solve the above-mentioned problems.

The invention according to claim 1 of the present application (hereinafter, referred to as the first
In the lighting device having a plurality of lighting devices whose remote control is possible at least in posture, light distribution, and elevation, a camera for imaging the lighting direction of the lighting devices, and lighting of the lighting devices. While providing a distance sensor for detecting the distance to the target and focusing means for automatically focusing the lighting device based on the distance detected by the distance sensor, a display device for displaying images from the cameras, respectively. Is provided.

The invention according to claim 2 of the present application (hereinafter, referred to as the second invention) is the second invention in which the entire object to be illuminated is imaged by each lighting fixture and the image is displayed on the display device. It is characterized by having a camera.

Furthermore, the invention according to claim 3 of the present application (hereinafter referred to as the third invention) includes a camera for each lighting fixture and a second invention.
A display device that selectively displays at least one of the images captured by at least one of the cameras, and a remote control device that remotely controls at least one of the posture, light distribution, and elevation of each lighting fixture, The display device is provided in the vicinity of the operation unit of the remote control device.

Further, in the invention according to claim 4 of the present application (hereinafter, referred to as a fourth invention), the display device, when pressing the display portion indicating the control direction of the posture of each lighting fixture,
In the meantime, it is characterized by having a touch panel for controlling the posture so that the lighting direction of the lighting fixture is directed in that direction.

[0013]

[Action]

<First Invention> Focusing of each lighting fixture is automatically performed by a distance sensor and focusing means provided in each lighting fixture.

Further, an image in the same direction as the illumination direction of each luminaire is picked up by the camera, and the image is displayed on the display device.

Therefore, the operator operating the control console or the like can remotely control the posture, light distribution, and elevation of each lighting fixture while watching the image on the display device, which simplifies the preparation and production of lighting. It is possible to speed up and reduce the number of personnel.

<Second and Third Inventions> Since the entire image of the entire illumination target imaged by the second camera is displayed on the display device together with the partial video imaged by each camera, the control console is controlled. The operator can operate the posture of each luminaire, the light distribution, the control of elevation, etc. while viewing these images. Therefore, the efficiency and accuracy of these controls can be further improved.

<Fourth Invention> Since the posture of each lighting fixture can be easily controlled by pressing the display portion of the touch panel of the display device, the posture control operation can be performed easily.

[0018]

Embodiments of the present invention will be described below with reference to FIGS. In addition, in FIGS. 1 to 4, common portions are denoted by the same reference numerals.

FIG. 2 is a partially omitted schematic diagram showing the structure of an embodiment including the first and fourth inventions of the present application, and FIG. 3 is a block diagram thereof. In the figure, the lighting device 1 is, for example, a television studio or At the lighting site 2 such as on the stage, a plurality of lighting fixtures 3a,
3b ... Are hung on a ceiling or the like so as to be able to move up and down, and these respective lighting fixtures 3a, 3b ... Are electrically connected to a control console 5 via a signal line 4.

The control console 5 is provided with a display portion 6 such as a CRT (cathode ray tube) or LCD (liquid crystal display device) in the vicinity thereof, and is installed in, for example, a sub-adjustment room 7 or the like, which is slightly apart from the illumination site 2. ing.

Each of the lighting fixtures 3a, 3b, ... Is hung up and down, for example, on the ceiling via the elevating and lowering drive devices 8a, 8b ,. For example, a light source (not shown) as shown in FIG. A pair of left and right short horizontal shafts 10a and 10b are provided on the left and right outer surfaces of the instrument body 9 in the figure, and the U-shaped tip portions of the fork-shaped handle 11 are attached to the pair of left and right horizontal shafts 10a and 10b. Swivelingly attached, horizontal shafts 10a, 1
It is oscillated around 0b, that is, tiltably suspended.

Each handle 11 has vertical shafts 11a and 11b substantially at the center of its U-shaped abdomen (upper end in FIG. 1).
As shown in FIG. 2, the vertical shaft 11a is rotatably supported by the elevating and lowering drive devices 8a and 8b and is hung freely so that it can be panned.

Each of the lighting fixtures 3a, 3b ... Incorporates a light source, a reflector and the like (not shown) so as to be integrally movable, while
A lens or the like is fitted to form a light projecting portion 12 for projecting light from a light source or a reflector forward. For example, four blade-shaped band doors 13a to 13d are formed on the outer peripheral edge portion of the light projecting portion 12. It is provided so as to be openable / closable in the inside / outside direction and rotatable in the circumferential direction, and the light distribution and the like are controlled by controlling the opening / closing angles of the band doors 13a to 13d.

Each of the lighting fixtures 3a, 3b, ... Is provided with a camera 14 and a distance sensor 15, which are, for example, CCD (solid-state image sensor) cameras, on the outer peripheral edge of the light projecting portion 12. The camera 14 has its imaging direction oriented substantially in the same direction as the light projecting direction of the light projecting section 12, and images an object or the like in the light projecting direction.

The distance sensor 15 is also oriented in substantially the same direction as the light projecting direction of the light projecting section 12, and detects the distance to the illumination target.

FIG. 3 shows the system configuration of the illuminating device 1 with a part of it omitted. Each of the luminaires 3a, 3b ... Has a camera input section 16, a camera control section 17, a camera signal processing section 18, and a distance sensor. The input unit 19, the elevation drive unit 20, the color change drive unit 21, the band drive unit 22, the focus drive unit 23, the tilt drive unit 24, the pan drive unit 25, the arithmetic processing unit 26, and the transmission processing unit 27 are incorporated respectively. .

Each camera input section 16 receives a video signal picked up by each camera 14, and the video signal from this camera input section 16 is given to the camera signal processing section 18 via the camera control section 17. Here, each lighting fixture 3
It is given to the camera signal processing unit 28 of the control console 5 together with the addresses for identifying a, 3b ...

The camera control section 17 controls the camera 14 by receiving a control signal such as on / off control of the camera 14 from the camera signal processing section 28 of the control console 5.

The distance sensor input section 19 receives the detection signal of the distance to the illumination target detected by the distance sensor 15 and gives it to the arithmetic processing section 26, where, for example, the light source and the reflector are moved integrally to illuminate. Calculates the amount of movement required to perform focusing, and gives the amount of movement to the focus drive unit 23 to move the light source and the reflector integrally, thereby automatically focusing each lighting fixture 3a, 3b. To do.

The lift drive unit 20 receives the lift control signal from the control console 5, and moves each lighting fixture body 9 to each lift device 8a, 8a.
It is moved up and down by b.

The color change driving unit 21 has a required length in the longitudinal direction of the film stretched between the pair of left and right rollers inside the light projecting unit 12 according to the color change control signal from the control console 5. By reciprocally moving the color film colored in the required color in the longitudinal direction, the light projecting unit 12
The color of the light projected from is converted appropriately.

The band door driving unit 22 controls the light distribution and the like by controlling the opening / closing angles and the rotation angles in the circumferential direction of the band doors 13a to 13d in accordance with the band door control signal from the control console 5.

The tilt driving section 24 controls the tilt angle of each of the lighting fixtures 3a, 3b ... By rotating them around the vertical axis 11a in accordance with a tilt control signal from the control console 5.

In accordance with the pan control signal from the control console 5, the pan drive unit 25 controls the lighting fixtures 3a, 3b ...
The pan angle is controlled by rotating it around 0b.

In addition to the camera signal processing unit 28, the control console 5 includes
A transmission processing unit 29, an arithmetic processing unit 30, an input unit 31 which is an operation unit, a display unit 6 such as a CRT or LCD, and a recording unit 32 such as a proppy disk are provided, and an image from each camera 14 is displayed on the display unit 6. Are displayed sequentially or selectively, while the elevation of each of the lighting fixtures 3a, 3b ..., Projected color, bander angle, tilt angle, pan angle, etc. are displayed appropriately.

Further, the input section 31 is used for the respective lighting fixtures 3a, 3b.
The posture, light distribution, projected color, elevation, etc. of each lighting fixture 3a, 3
b ... A plurality of operating tools such as levers and switches for controlling each of them are provided.

Then, as shown in FIG. 4, the display unit 6 displays a touch panel 6b having substantially the same shape and size on the display screen 6a for displaying a desired illumination target imaged by each camera 14 as an image. I am wearing it.

The touch panel 6b is provided with, for example, an outward facing black triangle mark a on each side of its outer peripheral edge portion, and the desired mark a is pressed to indicate the black triangle tip of the mark a. Direction, each lighting fixture 3a, 3
A control signal for controlling the posture of b ... is output.

In addition, in FIG. 4, by pressing the circle line b at the center and zooming in or out the input unit 31 of the control console 5, each lighting fixture 3a,
3b Focusing is automatically zoomed in or out.

Further, in FIG. 4, the rectangle indicated by the alternate long and short dash line shows the positions (opening and closing angles) of the band doors 13a to 13d,
The touch panel 6b presses on the alternate long and short dash line c and opens the doors 13a to 13d by the input unit 31,
Alternatively, by performing an operation in the closing direction, the opening / closing angles of the band doors 13a to 13d are controlled to control the light distribution and the like.

Next, the operation of this embodiment will be described.

First, in order to turn on each camera 14,
When the input unit 31 of the control console 5 is operated, the camera-on signal of the operation unit 30, the camera signal processing unit 28, and the signal line 4 is output.
The camera signal processing unit 1 of each of the lighting fixtures 3a, 3b ...
8, the camera control unit 17, and sequentially transmitted to each camera 14,
Turn on each camera 14.

When only the specific camera 14 is turned on, a lighting device having the specific camera 14 built-in,
For example, by inputting the address number 3a through the input unit 31 of the control console 5, each camera signal processing unit 18 gives only the one having the address to the camera control unit 17, and turns on only the specific camera 14. it can.

The video signals picked up by the cameras 14 are supplied to the camera input section 16, the camera control section 17, the camera signal processing section 18, the signal line 4, the camera signal processing section 28 of the control console 5, and the arithmetic processing section 30. Is given to the display unit 6 via each of the above, and the display unit 6 sequentially or selectively displays these images according to the operation.

Then, the operator of the control console 5 looks at each image on the display unit 6 and pans and tilts the lighting devices 3a, 3b ... Control console 5 for controlling
The input unit 31 of is operated.

Then, the control signal is transmitted to each lighting fixture 3a,
3b ... to the required drive units 20 to 25, respectively,
Control according to the control signal is performed.

Further, the focusing of each of the lighting fixtures 3a, 3b ... Is automatically performed by the focus driving section 23 based on the detection value detected by the distance sensor 15.

Therefore, according to the present embodiment, the operator operating the control console 5 looks at the image on the display section 6 of the control console 5 to determine the light distribution as if it were at the lighting site 2 such as a television studio. Since the operation is the same as when operating directly, it is possible to improve both the efficiency and accuracy of control of each lighting fixture 3a, 3b .... That is, it is possible to simplify and speed up the preparation and production of lighting and reduce the number of personnel.

Further, while observing the image being displayed on the display section 6, the respective luminaires 3a, 3b ... By operating the touch panel 6b.
Since it is possible to control the posture, the light distribution, and the like, it is possible to further simplify the operation.

In the above embodiment, each lighting fixture 3a, 3
Although the case where each of the cameras 14 is provided in b ... has been described, the present invention is not limited to this, and other than the camera 14, for example, an illumination target to be illuminated by each lighting fixture 3a, 3b. It is also possible to provide a second camera for operating the whole and to display the image of the second camera on the display unit 6.

According to this, each camera 1 can be displayed by the display unit 6.
It is possible to perform various controls of the respective lighting fixtures 3a, 3b ... While viewing the entire image of the entire illumination target imaged by the second camera together with or instead of the partial video imaged at 4. The control accuracy can be further improved.

[0052]

As described above, the first invention of the present application is
The operator can perform various controls such as the postures of these lighting fixtures while viewing the images captured by the cameras provided in the lighting fixtures on the display device, so that the operator can directly see the light distribution etc. at the lighting site. Since it is possible to perform various control operations of the lighting fixture, it is possible to improve both the efficiency and accuracy of the control. That is, it is possible to simplify and speed up the preparation and production of lighting and reduce the number of personnel.

In the second and third inventions of the present application, the respective lighting fixtures are observed while the partial image taken by each camera and the image of the entire illumination target taken by the second camera are viewed on the display device. Since various control operations can be performed, the control accuracy can be further improved.

Further, according to the fourth invention of the present application, since various controls of each lighting fixture can be operated by the touch panel, it is possible to simplify the operability when controlling each of the plurality of lighting fixtures.

[Brief description of drawings]

1 is a perspective view of a lighting fixture incorporated in the embodiment shown in FIGS. 2 and 3. FIG.

FIG. 2 is a partially omitted schematic view of an embodiment of a lighting device according to the first invention of the present application.

FIG. 3 is a block diagram showing the system configuration of the embodiment shown in FIG.

FIG. 4 is a front view showing an embodiment of the fourth invention of the present application.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Lighting device 2 Lighting site 3a, 3b Lighting fixture 4 Signal line 5 Control table 6 Display part 7 Sub-adjustment room 8a, 8b Elevating device 11a Vertical axis 12 Light emitting part 13a-13d Bander 14 Camera 15 Distance sensor 16 Camera input part 17 Camera control unit 18 Camera signal processing unit 19 Distance sensor input unit 20 Elevating drive unit 21 Color change drive unit 22 Bandeau drive unit 23 Focus drive unit 24 Tilt drive unit 25 Pan drive unit 26 Arithmetic processing unit 27 Transmission processing unit 28 Camera signal processing Unit 29 transmission processing unit 30 arithmetic processing unit 31 input unit 32 recording unit

Claims (4)

[Claims] 1. A lighting device having a plurality of lighting devices which can be remotely controlled at least in posture, light distribution, and elevation, in each of the lighting devices, a camera for imaging the lighting direction of the lighting device, and an illumination target of the lighting device. A distance sensor for detecting the distance to the, and focusing means for automatically focusing the lighting device based on the distance detected by the distance sensor, while providing a display device for displaying images from the cameras, respectively. An illuminating device characterized by being provided. 2. The illumination device according to claim 1, further comprising a second camera which captures an image of the entire object to be illuminated by each illumination device and displays the image on the display device. 3. A display device for selectively displaying at least one of images picked up by at least one of the camera and the second camera of each lighting fixture, and at least one of the posture, light distribution, and elevation of each lighting fixture. 3. The lighting device according to claim 1, further comprising a remote control device for remotely controlling the display device, wherein the display device is provided in the vicinity of an operation unit of the remote control device. 4. The display device has a touch panel for controlling the posture of the lighting fixture so that the posture of the lighting fixture is controlled in such a direction that the lighting unit is directed to the lighting control unit while pressing the display unit. Claim 1 characterized by
The lighting device according to any one of 3 above.