JPH08317271A - Camcorder - Google Patents

Abstract

PURPOSE: To contrive to save space and to obtain a camcorder with excellent operability by using a volume or button for manual focus adjustment or the volume or button for sound volume adjustment of a sound monitor in common. CONSTITUTION: When a power source is turned on for a main body device by the changeover switch 6 of a camera/VTR mode, whether a camera mode is selected or a VTR mode is selected is detected by the signal from the changeover switch 6 in a camera/VTR mode detection part 3 and the detection result is outputted to a switch circuit 2. As a result, the switch circuit 2 makes a volume 11 function as a volume for manual focus adjustment or the volume for the sound volume adjustment of a sound monitor (a speaker or a headphone output) according to the signal from the detection part 3. Only if the changeover switch 6 of the camera/VTR mode is switched, a certain specified volume 11 can be automatically switched to the function according to the mode.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a camera-integrated VTR, and more particularly, to a camera-integrated VTR having a camera unit capable of manually adjusting a focus and having a volume control function for monitoring sound by the VTR function. Regarding VTR.

[0002]

2. Description of the Related Art In a conventional camera-integrated VTR, as a method for manually adjusting the focus while shooting with the camera, a method of moving the lens by a focus ring arranged in a lens barrel and adjusting the focus , Turn the dial for manual focus adjustment, detect the rotation direction of the dial, and move the lens with the motor attached to the lens unit to adjust the focus.Press the button for manual focus adjustment and press the same button as above. There is a method of adjusting the focus by driving the motor.

Further, when reproducing and monitoring the recorded voice, as a method of adjusting the volume, a method of turning a volume dedicated to volume control or a method of pushing a volume dedicated up / down button is used. There is.

FIG. 4 is a block diagram showing a main structure of a conventional camera-integrated VTR. In FIG. 4, 4 is a camera unit, 5 is an audio unit, 21 is a manual focus adjusting volume or button, and 22 is a voice. This is a volume or button for adjusting the volume of the monitor.

As shown in FIG. 4, a conventional camera-integrated V
In the TR, the functions of manual focus adjustment and volume adjustment are performed by individually having a volume or a button and adjusting / adjusting separate operation units.

However, having dedicated volumes or buttons having different functions as described above is a major obstacle to space saving in a camera-integrated VTR that is becoming smaller.

A method for reducing the number of buttons to save space
As one of the methods, a method of converting the above-described operation into a menu and operating it with a small number of buttons can be considered. The method of manually adjusting the focus and adjusting the volume of the audio monitor by operating this menu is described in the magazine "Monthly Video Capa" (Gakuken Kenkyusha; 1993).
October issue), pp. 13-18.
According to the product described in the above article, if you want to adjust the volume of the audio monitor, "video / volume control button"
Press to adjust the volume. If you want to focus manually, click the "Auto On / Off button".
Press and hold for more than a second to release the auto lock, press the "manual focus button" to switch to manual, and then
Focus Press the "Far" and "Near" buttons to adjust the focus.

[0008] As described above, making buttons into a menu is effective in terms of space saving, but it is unavoidable that the number of times the button is pressed increases and the operability is deteriorated. It's hard.

[0009]

As shown in FIG. 4 and described above, the conventional camera-integrated VTR generally has a volume or button for manually adjusting the focus, and the VTR. In terms of function, there was a volume or button for adjusting the volume of the audio monitor. That is, conventionally, each of the above two functions has a dedicated volume or button. However, in a camera-integrated VTR, which is becoming smaller, the space for arranging the volume and the button is reduced, and the usability becomes inconvenient depending on the arranging place and the usage.

Further, the manual focus adjusting volume or button is a function used only when photographing with the camera.
Do not use at all during R playback. On the other hand, the volume control buttons or buttons for adjusting the volume of the audio monitor are mainly used for confirming the photographed contents.

The present invention has been made in view of the above points, and an object thereof is to share a manual focus adjusting volume or button with a sound monitor volume adjusting volume or button, thereby saving the volume. Another object of the present invention is to provide a convenient camera-integrated VTR that saves space and automatically switches the volume or button adjustment function.

[0012]

In order to achieve the above object, the present invention is provided with a switching circuit, and a certain volume or button is used as a manual focus adjusting volume or button at the time of photographing by a camera, and VTR reproduction is performed. It is sometimes configured to switch as a volume control button or button for the sound monitor.

[0013]

The camera-integrated VTR according to the present invention is
The VTR mode is detected, and according to the detected mode, a switching circuit causes a specific volume or button to function as a manual focus adjustment volume or button during camera shooting. Automatically switch to function as volume control or button.

As a result, a specific volume or button can be shared for manual focus adjustment and volume adjustment of the audio monitor, the number of operating volumes or buttons can be reduced, and space can be saved. , Since the adjustment function of the volume or button is automatically switched,
It is also easy to use.

[0015]

The present invention will be described below with reference to the illustrated embodiments. FIG. 1 shows a camera integrated type V according to an embodiment of the present invention.
FIG. 2 is a block diagram showing a configuration of a main part of a TR, in which reference numeral 1 is an operation unit including a volume or a set of buttons selectively and selectively used for manual focus adjustment and volume adjustment of an audio monitor, In this embodiment, the volume 11 is used. Further, 2 is a switching circuit, 3 is a camera / VTR
Mode detection unit, 4 is a camera unit, 5 is an audio unit, 6
Is a selector switch for the camera / VTR mode.

FIG. 2 is a perspective view showing the appearance of a camera-integrated VTR according to one embodiment of the present invention. In FIG.
Reference numeral 15 is a camera-integrated VTR main body, 16 is a lens unit, and 1 is a lens unit.
7 is an electronic viewfinder section, and 6, 11
Are a switch and a volume switch for the above-mentioned camera / VTR mode, respectively.

In the camera-integrated VTR of the present embodiment, the camera / VTR mode selector switch 6
When the power is turned on, either the camera mode or the VTR mode is selected. That is, when the changeover switch 6 is rotated from the neutral position to the camera mode side, the power is turned on and the camera mode is selected, and when the changeover switch 6 is rotated from the neutral position to the VTR mode side, the power is turned on and The VTR mode is selected. The power switch and the camera / VTR mode changeover switch may be provided separately.

When the main unit is powered on by the camera / VTR mode selector switch 6, the camera / VTR mode is switched on.
The mode detection unit 3 detects whether the camera mode or the VTR mode is selected by the signal from the changeover switch 6 and outputs the detection result to the changeover circuit 2.
As a result, the switching circuit 2 switches the output destination of the signal from the volume 11 according to the signal from the detection unit 3. That is, if the signal from the mode detection unit 3 indicates the "camera mode", the output of the switching circuit 2 is switched to the camera unit 4 side, and the volume 11 functions as a manual focus adjustment volume. If the signal from the mode detector 3 indicates the "VTR mode",
The output of the switching circuit 2 is switched to the audio section 5 side, and the volume 11 is made to function as the volume control volume of the audio monitor (speaker or headphone output).

As a result, only by switching the camera / VTR mode selector switch 6, it is possible to automatically switch a specific volume 11 to a function suitable for that mode.

A specific example of use will be described with reference to FIG.
In FIG. 2, a camera / VTR mode selector switch 6
When is switched to the "camera" side, the main body device enters the camera photographing mode. In this case, the volume 11 serves as a manual focus adjustment volume. When turned to one side, the focus moves in the "far" direction, and when turned to the other side, the focus moves in the "near" direction. Further, when the camera / VTR mode changeover switch 6 is switched to the "VTR" side, the main unit is brought into the VTR reproduction mode. In this case, volume 1
1 is the volume for volume control of the audio monitor. Turn it to one side to increase the volume, and to the other side to decrease the volume.

FIG. 3 is a simplified perspective view showing the appearance of a camera-integrated VTR according to another embodiment of the present invention.
In the figure, the same components as those in the previous embodiment are designated by the same reference numerals.

In FIG. 3, reference numerals 12A and 12B denote a set of buttons which are selectively used for manual focus adjustment and volume adjustment of a sound monitor.
The volume 11 in the embodiment of FIG.
It is replaced with B, and other than that, it has substantially the same configuration as the previous embodiment.

In this embodiment shown in FIG. 3, a camera / VTR is used.
When the mode selector switch 6 is switched to the "camera" side, the main body device enters the camera photographing mode. In this case, the buttons 12A and 12B function as manual focus adjustment buttons. If one of the buttons 12A is pressed, the focus moves in the "far" direction, and if the other button 12B is pressed, the focus moves in the "near" direction. To do. Further, when the camera / VTR mode changeover switch 6 is switched to the "VTR" side, the main unit is brought into the VTR reproduction mode. In this case, buttons 12A, 1
2B functions as a button for adjusting the volume of the audio monitor. Pressing one button 12A raises the volume, and the other button 12B
Press to decrease the volume.

As described above, in this embodiment, the camera / VTR
By simply switching the mode changeover switch 6, it is possible to automatically switch a specific button 12A, 12B to a function suitable for the mode.

As described above, in each of the embodiments of the present invention, since the circuit is constructed so that the function of the volume or one set of buttons can be switched by the camera / VTR mode selector switch 6, the volume or one set of buttons can be used. A set of buttons
Since it can be used both for manual focus adjustment and for volume adjustment of the audio monitor, the number of operating volumes or buttons can be reduced and space can be saved. Moreover, since the adjusting function of the volume or the button is automatically switched, it is easy to use.

[0026]

As described above, according to the present invention, a certain specific volume or button can be used for both manual focus adjustment and volume adjustment of the audio monitor, whereby the number of operating volumes or buttons can be increased. It is possible to reduce the amount of space required and save space, and since the volume or button adjustment function is automatically switched, it is possible to realize a camera-integrated VTR that is easy to use in terms of operability.

[Brief description of drawings]

FIG. 1 is a block diagram showing a main configuration of a camera-integrated VTR according to an embodiment of the present invention.

FIG. 2 is a perspective view showing the external appearance of a camera-integrated VTR according to one embodiment of the present invention.

FIG. 3 is a camera-integrated VT according to another embodiment of the present invention.
It is a simplified perspective view showing the appearance of R.

FIG. 4 is a block diagram showing a main configuration of a conventional camera-integrated VTR.

[Explanation of symbols]

 1 Operation part consisting of a volume or a set of buttons 2 Switching circuit 3 Camera / VTR mode detection part 4 Camera part 5 Audio part 6 Camera / VTR mode selection switch 11 Volume 12A, 12B button 15 Main body of camera integrated VTR 16 Lens 17 Electronic viewfinder

Claims (2)

[Claims] 1. A camera-integrated VTR having a camera unit capable of manual focus adjustment and capable of monitoring audio with a VTR function, including a volume control button or volume for a voice monitor, and a manual focus adjustment volume. Or a VTR with a built-in camera, which is shared with a button. 2. The camera integrated VTR mode according to claim 1, wherein the mode or button for manual focus adjustment or the volume or button for volume adjustment of an audio monitor is automatically switched according to the result. A VTR with a built-in camera, which is characterized by being configured as described above.