JPH01264080A - Video pickup device - Google Patents

Abstract

PURPOSE:To surely enable operation by providing a reception section receiving a command sent from a remote controller in a radio signal to a motor-driven universal head and a video camera. CONSTITUTION:When the remote controller 40 and a photodetection section 51 are opposed to each other, that is, when the operator itself is desired to be picked up, an infrared-ray indicating the operation command A is received by the photodetection section 51. Moreover, when the remote controller 40 and the photodetection section 50 are opposed to each other, that is, an object except the operator is desired to be picked up, the infrared-ray indicating the operation command A is received by the photodetection section 50 surely. In this case, the switching is executed in preceding over the pickup so that the operation signal A sent from the photodetection section 50 at least is given to a microcomputer 26. Thus, even when the direction of the video camera 30 is changed and even if the position of the remote controller 40 is deviated with respect to the motor-driven universal head 20, the infrared-ray is surely received and the operation of the motor-driven universal head 20 is ensured.

Description

[Detailed Description of the Invention] <Industrial Utilization> The present invention relates to a video photographing device, and is capable of ensuring reliable operation by commands from a remote controller even if the direction of a video camera attached to an electric pan head changes. It was planned to

<Prior Art> When taking pictures with a video camera, in order to take stable pictures, the video camera is mounted on a tripod-mounted camera head. Some electric pan heads operate in response to an activation command sent from a remote controller via infrared rays, and the direction of the video camera changes when the electric pan head operates.

Conventionally, a light receiving section for receiving an operation command (infrared rays) is provided only on one of the electric pan head and the video camera.

<Problems to be Solved by the Invention> By the way, when shooting with a video camera using a remote control type electric pan head, the problem is favorable when the remote controller carried by the operator and the light receiving section are in a positional relationship facing each other. However, if the operator moves to a different position or the direction of the video camera changes, and the camera deviates from the facing position, the amount of light received by the light receiving section decreases, and in the worst case, In this case, it may not be possible to control the operation of the electric pan head.

In view of the above-mentioned prior art, the present invention provides a video photographing device that can be operated reliably no matter how the positional relationship between the electric pan head and the remote controller changes.

Means for Solving the Problems> The present invention achieves the above problems by including a receiving unit that receives commands sent wirelessly from a remote controller.
Its characteristics are that it is equipped with an electric pan head and a video camera.

Example of implementation Embodiments of the present invention will be described in detail below based on the drawings.

FIG. 1 shows a first embodiment of the invention in an exploded state.

This embodiment includes a tripod 10, an electric pan head 20, a video camera 30, and a remote controller 40. The electric pan head 20 has a female screw thread formed on its bottom surface.
The video camera 30 is installed on the tripod 10 by screwing in the fixing screw 11 of 1110, and the video camera 30 is attached to the electric pan head 20 by screwing the fixing screw 21 of the electric pan head 20 into the female thread formed on the bottom surface of the video camera 30. It will be done.

The electric pan head 20 includes a pace 22, a rotation section 23 that rotates (pans) in a horizontal plane with respect to the base 22, and a rotation section 2.
When the built-in pan motor is driven, the rotating part 23 is rotated by a gear mechanism, and when the built-in tilt motor is driven, the tilting part 24 is tilted by the gear mechanism. The remote controller 40 is held in the hand of an operator, and when operated, outputs the operation command A as an infrared ray. In order to receive the infrared rays indicating the operation command A, a light receiving section 50 is installed on the electric camera platform 20, and a light receiving section 51 is installed on the video camera 30.

As shown in the control system in FIG. 2, the electric pan head 20 is provided with a switch 925, a microcomputer 26, a pan motor 27, and a tilt motor 28. When the light receiving sections 50 and 51 receive the infrared rays from the remote controller 40, they convert the infrared rays into an electrical signal, and send the operation command A to the switching circuit 25 as an electrical signal. The switching circuit 25 simply adds together the actuation signals A sent from both the light receiving sections 50 and 51 and sends the combined actuation signal A to the microcomputer 26, A switching operation is performed in which only one of the actuation signals A is sent to the microcomputer 26. This switching operation can be performed by the operator directly switching the switching circuit 25 by hand, or by providing a switching selection switch (not shown) on the remote controller 40. The microcomputer 26 may detect the level of the signal sent from the light receiving section 50 and 51 and cut the low level signal to enable the switching operation by wirelessly transmitting a switching operation signal. The microcomputer 26 decodes the contents of the operation command A and drives the pan motor 27 and tilt motor 28 in accordance with the operation command A. operate.

In this first embodiment, when the remote controller 40 and the light receiving section 51 are facing each other as shown in FIG. Make sure that the infrared rays indicating this are received by the light receiving section 51. At this time, the switching operation is performed prior to the photographing operation so that at least the activation signal A sent from the light receiving section 51 is input to the microcomputer 26. Further, as shown in FIG. 4, when the remote controller 40 and the light receiving section 50 are facing each other, that is, when you want to photograph a subject other than the operator, the infrared rays indicating the operation command A are reliably transmitted by the light receiving section 50. Light is received. At this time, the switching operation is performed prior to the shooting operation so that the activation signal A sent from the light receiving section 50 is input to the microcomputer 26. Therefore, even if the direction of the video camera 30 changes,
Furthermore, even if the remote controller 40 is misaligned with respect to the electric pan head 20, the infrared rays are reliably received and the operation of the electric pan head 20 can be ensured.

In addition, by switching the switching port $25, in the state shown in FIG. 4 In the state shown in Figure 4, the light is sent from the light receiving section 51.
If No. 3 is cut and only the operation command A sent from the light receiving section 50 is sent to the microcomputer 26, the noise caused by the light receiving section on the side that is not facing the remote controller receiving ambient light can be reduced. Can be cut, prevents malfunctions,
The S/N ratio of the input signal to the microcomputer 26 is improved.

FIG. 5 shows a second embodiment of the invention. In this embodiment, the remote controller 140 outputs, in addition to the operation command A, a photographing command B for causing the video camera 130 to take a photograph as an infrared ray. The video camera 130 has a control unit 13
A 1° camera block 132 and a VTR block 133 are provided, and the electric pan head 120 is provided with a switching circuit 125.
Microcomputer 126. Pan motor 127 and tilt motor 1
28 are provided.

Then, the video camera 130 uses Tar! JJ head 12
0, pan motor 127 and tilt motor 1
The direction changes when 28 is driven. Further, the electric pan head 120 is provided with a light receiving section 150, and the video camera 13
0 is provided with a light receiving section 151. Light receiving section 150.
151 is an operation command A from the remote controller 140.
When it receives an infrared ray indicating a shooting command, it converts it into an electrical signal and sends the operation command A as an electrical signal to the switching circuit 125. When it receives an infrared ray indicating a shooting command B from the remote controller 140, it converts it into an electrical signal and starts shooting. The command B is sent to the control unit 131 as an electrical signal.

Upon receiving the photographing command B, the control section 131 operates the camera block 132 and the VTR block 133 in accordance with the contents of the command to perform the required photographing operation.

In this second embodiment, two light receiving sections 150 and 151 are provided on the electric pan head 120 and the video camera 130, so infrared rays are reliably received and the operation of the electric pan head 120 and the shooting of the video camera 130 are controlled. It can be done reliably.

In the above embodiment, commands are transmitted and received wirelessly using infrared rays, but commands may also be transmitted and received using radio waves or ultrasonic waves.

<Effects of the Invention> As specifically explained above in conjunction with the embodiments, according to the present invention, the electric YJJ pan head and the video camera are each provided with a receiving section that receives commands sent wirelessly from the remote controller. Therefore, even if the position of the electric pan head or video camera changes with respect to the position of the remote controller, commands will be received by at least one of the receiving seats, allowing reliable operation.

[Brief explanation of the drawing]

FIG. 1 is an exploded perspective view of the first embodiment of the present invention;
FIG. 2 is a block diagram showing the first embodiment, FIGS. 3 and 4 are explanatory diagrams showing how the first embodiment is used, and FIG. 5 is a block diagram showing the second embodiment of the present invention. It is a diagram. In the drawing, 10 is a tripod, 20.120 is an electric camera head, 30,130 is a video camera, 40.140 is a remote controller, 50.51,1
50 and 151 are light receiving sections.

Claims (2)

[Claims] (1) In a video shooting device that includes a video camera, an electric pan head to which the video camera is attached and which operates to change the direction of the video camera upon receiving an operation command, and a remote controller that wirelessly transmits the operation command. . A video photographing apparatus, characterized in that the electric pan head and the video camera are each provided with a receiving section that receives the operation command and sends it to the electric pan head. (2) A video camera that starts shooting when it receives a shooting command, an electric pan head to which this video camera is attached and operates when it receives an operation command to change the direction of the video camera, and wirelessly transmits the shooting command and operation command. In a video photographing apparatus having a remote controller that sends out signals from a camera, a receiving unit that receives the shooting command and sends it to the video camera, and also receives the operation command and sends it to the electric pan head, is connected to the electric pan head and the video camera. A video shooting device characterized in that each camera is provided with one.