JPH0993467A - Panning device and panning tilt device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To attain stable panning drive or panning tilt drive even when the device is in use while being suspended in air. SOLUTION: The panning tilt device 10 is provided to a tilt drive section 18 at an upper end of a panning tile device body 14 and a gyro scope 16 driven horizontally is provided to a lower end in the body 14. Then the posture of the body 14 in air is made stable by the rotation of the gyro scope 16 and the body 14 is panning-driven by accelerating or decelerating the rotation of the gyro scope 16. Thus, a television camera 12 is stably panned and tilted even in air by fitting the television camera 12 to the body 14.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention
The present invention relates to a tilt device, and more particularly to a pan device and a pan / tilt device for pan driving or pan / tilt driving a television camera or a still camera supported in the air.

[0002]

2. Description of the Related Art Conventionally, when a camera such as a television camera or a still camera is arranged at a high place and used, the camera is mounted on a motor-powered pan / tilt device fixed to an immovable body such as a ceiling surface or a wall surface, The remote control of the pan / tilt drive of the camera has been performed. In addition, a tripod may be used as an immovable body.

As described above, the reason for fixing the pan / tilt device to the immovable body is to keep the posture of the camera itself stable so that the image pickup screen of the camera attached to the pan / tilt device does not shake, and This is because an immovable body is required to receive a reaction force during tilt driving.

[0004]

However, when the pan / tilt device is fixed to the ceiling surface or the wall surface as in the prior art, the height can be secured but the camera cannot be moved, so that the range that can be photographed by the camera is limited. There is a drawback that On the other hand, if the pan / tilt device is fixed to the tripod, the camera can be moved, but the tripod is mounted on the ground, so that it is not possible to secure a sufficient height.

Against this background, the pan / tilt device can be stably driven even when the pan / tilt device is suspended from the tip of a movable rod such as a fishing rod. A device was desired. The present invention has been made in view of such circumstances, and provides a pan device and a pan / tilt device that can stably perform pan driving or pan / tilt driving even when suspended in the air and used.

[0006]

In order to achieve the above-mentioned object, the present invention hangs a pan device that drives a pan by supporting a television camera or the like and suspends the pan device horizontally in the lower end of the pan device body. By providing a rotating plate having an appropriate mass that rotates, and by rotating the rotating plate at a constant speed to stabilize the posture of the pan device in the air, by accelerating or decelerating the rotation of the rotating plate. The pan device is pan-driven.

According to the present invention, a rotating plate having an appropriate mass that horizontally rotates is provided at the lower end of the bread machine body, and the rotating plate is rotated at a constant speed to allow the bread machine to move in the air. In addition, the pan device is pan-driven by accelerating or decelerating the rotation of the rotary plate. Thus, the pan device main body can be pan-driven without requiring an immovable body for receiving a reaction force when pan-driving. Therefore, if, for example, a television camera is attached to the pan device suspended in the air, the television camera can be maintained in a stable posture even in the air, and the pan can be stably driven.

In order to achieve the above object, the present invention suspends a pan / tilt device for supporting pan / tilt of a television camera or the like and suspending the pan / tilt device in the air.
A tilt drive unit is provided at the upper end of the tilt device body, and a rotating plate having an appropriate mass that horizontally rotates is provided at the lower end of the pan / tilt device body, and the rotating plate is rotated at a constant speed. Thus, the attitude of the pan / tilt device in the air is stabilized, and the pan / tilt device is pan-driven by accelerating or decelerating the rotation of the rotary plate.

According to the present invention, the tilt drive section is provided at the upper end of the pan / tilt apparatus body, and the rotating plate having an appropriate mass for horizontally rotating is provided at the lower end section of the pan / tilt apparatus body. The pan / tilt device is provided with a constant speed to stabilize the attitude of the pan / tilt device in the air, and the pan / tilt device is pan-driven by accelerating or decelerating the rotation of the rotary plate. I chose Accordingly, the pan / tilt device can be pan-driven without requiring an immovable body for receiving a reaction force when pan-driving. Further, by rotating the rotating plate at a constant speed, the posture of the pan / tilt device can be stably maintained, and a rotating plate having an appropriate mass is provided in the lower part of the pan / tilt device main body to maintain the center of gravity. Since it is stable, pan / tilt
The tilting device itself acts as an unmoving object. Therefore, if, for example, a TV camera is attached to the tilt driving unit of the pan / tilt device suspended in the air, the TV camera can be maintained in a stable posture even in the air, and the pan / tilt can be stably operated.
It can be tilt driven.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of a pan device and a pan / tilt device according to the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 is a front view showing an example in which a television camera 12 is attached to a pan / tilt device 10 according to the present invention, and FIG. 2 is a side view thereof.

As shown in these figures, a pan / tilt device 10 includes a pan / tilt device body 14 and a gyroscope 1 built in a lower end portion of the pan / tilt device body 14.
6, a tilt drive unit 18 provided on the upper end of the pan / tilt device body 14, a camera mount 20 fixed on the upper side of the tilt drive unit 18, and a suspension frame for suspending the pan / tilt device body 14. The television camera 12 is attached to the camera mount 20.

Explaining the gyroscope 16, an aerial disk-shaped gyro case 24 is formed at the lower end of the pan / tilt device main body 14, and the gyro case 24 is formed.
The rotating plate 26 of the gyroscope 16 having an appropriate mass that rotates horizontally is housed therein. An upper end of a rotary shaft 28 orthogonal to the rotary plate 26 is connected to a gyro motor 32 fixed to a bearing stand 30 via a bearing (not shown). The gyro motor 32 is connected to a controller 35 described later via a lead wire 34. As a result, when the gyro motor 32 is operated, the rotary plate 26 is horizontally rotated at a high speed while being separated from the pan / tilt device body 14. The mass of the rotary plate 26 is the same as that of the camera mount 20.
The weight is determined in consideration of the mass of the TV camera 12 attached to the TV camera 12, and is set to a mass necessary for stabilizing the center of gravity of the pan / tilt device body 14 when the TV camera 12 is pan / tilt driven.

The tilt drive unit 18 will be described with reference to FIG. 3. The upper end of the pan / tilt device main body 14 is formed in a convex shape, and the tilt shaft 38 extends horizontally through the center of the projection 36 and the tilt shaft 38. Is rotatably supported with respect to the protrusion 36. The center of the tilt gear 40 is fixed to one end of the tilt shaft 38 while the circular plate 42 having the same diameter as the tilt gear 40 is fixed to the other end thereof.
The upper end of the tilt gear 40 where the teeth are not formed and the upper end of the disc 42 are formed in a flat shape, and the camera mount 20 is fixed over the flat upper ends. The camera mount 20 is formed in a U shape, and a U-shaped upper plate 20A is provided with a bolt 44 that is screwed through from a lower surface to an upper surface thereof. When the TV camera 12 is attached to the camera mount 20, the TV camera 12 is placed on the camera mount 20 and the female screw (not shown) formed on the bottom of the TV camera 12 and the bolt 44 are screwed together. .

Further, the tilting motor 4 capable of rotating in the forward and reverse directions is provided on one side of the surface of the protrusion 36 where the tilt shaft 38 does not penetrate.
6 is fixed, and a motor gear 50 that meshes with the tilt gear 40 is penetrated and fixed to the motor shaft 48 of the tilt motor 46. The diameter of the motor gear 50 is formed smaller than the diameter of the tilt gear 40 so that a minute tilt drive can be performed. The tilting motor 46 uses the lead wire 5
2 is connected to the controller 35 via
The pan / tilt device body 14 is provided near the tilt gear 40.
A tilt position detector 54 supported by the is provided. The tilt position detector 54 optically detects a detection protrusion 56 (see FIG. 2) provided on the tilt gear 40 to control the tilt angle of the camera mount 20, that is, the tilt angle of the television camera 12 as a controller 35. Send to. As a result, when the tilting motor 46 operates, the camera mount 20 performs a tilting operation around the tilt shaft 38 via the motor gear 50 and the tilting gear 40, and the tilt angle is detected by the tilt position detector 54. To be done.

The suspension frame 22 will be described with reference to FIGS. 1 to 3. The suspension frame 22 has an inverted U-shaped suspension arm 22.
A and supported on both ends of the hanging arm 22A,
A horizontal rod 22B that penetrates the centers of the tilt gear 40, the tilt shaft 38, the protrusion 36, and the disc 42 so as not to impede tilt driving, and a hook 22C provided on the top of the hanging arm 22A. It is composed of a turning member 22D provided at a connecting portion between the hook 22C and the hanging arm 22A. The rotating member 22D is for allowing the pan / tilt device body 14 to horizontally rotate when the string member 58 such as a rope or a chain is hung on the hook 22C to suspend the pan / tilt device body 14. . The horizontal bar 22B is not limited to the structure in which the horizontal bar 22B is penetrated, but the centers of the tilt gear 40 and the disc 42 may be supported via the rotating members similar to those described above.

The respective members constituting the pan / tilt device 10 are arranged in a well-balanced manner so that the rotating plate 26 of the gyroscope 16 is positioned horizontally when the pan / tilt device 10 is suspended. . Next, the operation of the pan / tilt device 10 configured as described above will be described with an example in which the pan / tilt device 10 is used with the television camera 12 attached.

As shown in FIG. 4, in the pan / tilt device 10 of the present invention, a rod 60 having a horizontal portion at its tip and vertically erected vertically is provided via a cord member 58 such as a rope or a chain. Suspended in the air, the base end of the rod 60 is 6 above the ground.
It is supported by a moving table 64 installed at No. 2. Wheels 66 for moving are attached to the moving table 64.
It is driven by a drive motor built inside the. Also,
The rod 60 is configured such that a plurality of sheath-shaped rods 60A, 60A ... Are connected to each other in a fitting structure, and a rod 60A having a larger diameter among the adjacent rods 60A can accommodate the rod 60A having a smaller diameter. Thus, the rod 60 has a structure capable of expanding and contracting, and the expansion and contraction of the rod 60 is performed by operating the controller 35. As a result, the pan / tilt device 1
The suspension position of 0 and the suspension height can be adjusted.

Next, the television camera 12 mounted on the camera mount 20 of the pan / tilt device 10 suspended in the air by the rod 60 starts shooting. When shooting
The rotating plate 26 attached to the lower end of the pan / tilt device body 14 is horizontally rotated at a constant rotational speed at a high speed.
Due to the rotation of the rotary plate 26, the pan / tilt device 10 can maintain a stable posture even in the air, and the rotary plate 26 having an appropriate mass is provided at the lower end portion of the pan / tilt device main body 14 to provide a center of gravity. Is stabilized, the shooting screen of the TV camera 12 does not shake.

Then, when it is desired to pan drive the television camera 12, the rotation of the rotary plate 26 is accelerated or decelerated.
Accordingly, the pan driving can be performed without requiring an immovable body for receiving a reaction force when the pan driving is performed. Therefore, unlike the conventional pan / tilt device 10, it is not necessary to fix it to a ceiling surface, a wall surface, or an immovable body such as a tripod. next,
When it is desired to tilt drive the TV camera 12, the tilting motor 46 is operated to tilt drive the TV camera 12. At this time, the posture of the pan / tilt device 10 can be stably maintained by the rotation of the rotary plate 26, and the rotary plate 26 having an appropriate mass is used for the pan / tilt device body 1.
The pan / tilt device 10 itself serves as an unmoving body when tilting driven, because it is provided at the lower end of 4 to stabilize the center of gravity.

Thus, the pan / tilt device 1 of the present invention
According to 0, the tilt drive unit 18 is provided at the upper end of the pan / tilt device body 14, and the pan / tilt device body 1 is
A gyroscope 16 that rotates horizontally at the lower end of
Of the pan / tilt device main body 14 is stabilized by the rotation of the rotary plate 26, and the rotation of the rotary plate 26 is accelerated or decelerated.
Since the tilt device body 14 is driven to pan,
The TV camera 12 mounted on the camera mount 20 can be stably pan / tilt driven even in the air.

Although the pan / tilt device has been described in the present embodiment, the present invention can also be applied to a pan device in which only a gyroscope is provided and the tilt drive section is omitted. Further, in the embodiment of the present invention, an example in which the TV camera 12 is attached to the camera mount 20 and the TV camera 12 is pan / tilt driven has been described, but the present invention is not limited to the TV camera 12 and is stable in the air. TV camera 12 that needs to be pan / tilt driven
Can be applied to all other devices.

[0022]

As described above, according to the pan device and the pan / tilt device of the present invention, the pan device or the pan / tilt device
Even if the tilting device is suspended in the air and used, pan driving or pan / tilt driving can be stably performed. Accordingly, if a television camera is attached to the pan device or the pan / tilt device, the pan drive or the pan / tilt drive of the television camera can be stably performed even in the air.

Therefore, when it is desired to dispose the television camera at a high place as in the conventional case, it is not necessary to attach the camera to a pan / tilt device fixed to a fixed surface such as a ceiling surface, a wall surface, or a tripod. A television camera can be attached to a pan device or a pan / tilt device suspended at the tip of a rod. As a result, the television camera can be pan / tilt driven at a desired location and at a desired height.

[Brief description of drawings]

FIG. 1 is a front view showing an example in which a television camera is attached to a pan / tilt device of the present invention.

FIG. 2 is a side view of FIG.

FIG. 3 is an explanatory diagram illustrating a tilt drive unit of the pan / tilt device of the present invention.

FIG. 4 is an explanatory view for explaining the operation of the pan / tilt device of the present invention.

[Explanation of symbols]

 10 ... Pan / tilt device 12 ... Television camera 14 ... Pan / tilt device main body 16 ... Gyroscope 18 ... Tilt drive unit 20 ... Camera mount 22 ... Suspension frame 24 ... Gyro case 26 ... Rotating plate 28 ... Rotating shaft 32 ... Gyro motor 34, 52 ... Lead wire 35 ... Controller 60 ... Rod 64 ... Moving base

Claims (2)

[Claims] 1. A pan device for supporting pan of a television camera or the like for pan driving is suspended in the air, and a rotary plate having an appropriate mass for horizontally rotating is provided at a lower end portion of the pan device main body. A pan device, wherein a pan is rotated at a constant speed to stabilize the posture of the pan device in the air, and the pan device is pan-driven by accelerating or decelerating the rotation of the rotary plate. 2. A pan / tilt device for supporting panning / tilting of a television camera or the like is suspended in the air,
A tilt drive unit is provided at the upper end of the pan / tilt device body, and a rotary plate having an appropriate mass for horizontally rotating is provided at the lower end part of the pan / tilt device body, and the rotary plate is rotated at a constant speed. The pan / tilt device is rotated in the air to stabilize the posture of the pan / tilt device in the air, and the pan / tilt device is pan-driven by accelerating or decelerating the rotation of the rotating plate. .