JPS61141270A - Photographing device - Google Patents

Abstract

PURPOSE:To make remote-controlled image pickup easy by separating the camera body and the handgrip part and connecting them with an extension cable. CONSTITUTION:In case of the remote-controlled picking-up with a separated camera body 11 off the personnel, the body 11 and the handgrip 16 are separated. A camera terminal 15 and a handgrip terminal 20 are connected by an extension cable, while a view finder 24 is mounted on the upper place of the handgrip 16. With the equipments so formed as above, the VTR can be set in the vicinity of the handgrip 16 by connecting a VTR-connecting cable 36 to a VTR connection terminal 21. A Accordingly, the cameraman can operate a video recording switch 29 and a zoom switch 31 as confirming by the view finder 24 near at hand the image signal obtained by the camera body 11 installed at a distant place, and is able to record the necessary signal in the VTR.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a photographing device such as a video camera for photographing a subject.

BACKGROUND OF THE INVENTION In recent years, with the spread of video cameras, various functions such as remote control operation have been required.

An example of a conventional photographing device will be described below with reference to the drawings. Conventionally, this type of imaging device was developed, for example, in Japanese Patent Application Laid-open No. 57
As shown in Japanese Patent No. 166782, the structure was as shown in FIGS. 6 and 6.

That is, when performing normal shooting, the hand grip 1 and viewfinder 2 are attached to the camera body 3 as shown in FIG. 5, and the recording switch 4 provided on the hand grip 1 is pressed while viewing the image on the view finder 2. By making a video tape recorder (VTR)
It is possible to start recording and temporarily stop recording of the VTR connected to the connection cable 6.

Next, when photographing at a location away from the camera body 3, remove the hand grip 1 and viewfinder 2 from the camera body 3, and fix the view finder 2 to the hand grip 1 with the grip fixing screw 7, as shown in FIG. do. By extending the viewfinder connection cable 6 to the camera body 3 and pressing the recording switch 4t', operations to start and pause recording can be performed at a location away from the camera body 3.

Problems to be Solved by the Invention However, with the above configuration, it is necessary to install the VTR'i near the camera body, and other operations such as turning the VTR's power on and off, replacing tapes and batteries, etc., must be done using the remote control. Since I was unable to do so, I had to go to the VTR each time. Also, if there is no space to install the VTR1 near the camera, it is possible to extend the VTR connection cable.
This had the problem of requiring two extension cables, one for connecting the TR and the other for connecting to the viewfinder, and was also time-consuming to connect.

The present invention has been made in view of the above-mentioned problems, and provides an entire photographing device that allows remote-controlled photographing by simply using one extension cable.

゛ Means for Solving the Problems In order to solve the above problems, the photographing device of the present invention includes a camera body, a hand grip portion having a video signal output terminal and for holding the camera body, and a camera body and a hand grip portion for holding the camera body. A connecting means for detachably connecting the hand grip section, a first video signal supply means for supplying a video signal from the camera body to the hand grip section, a viewfinder section for checking the video signal, and a hand grip section. and second video signal supply means for supplying all video signals from the camera to the viewfinder section.

Function The present invention has the above-mentioned configuration, and by separating the camera body and the handgrip portion and extending the extension cable using a single extension cable, the present invention is extremely simple.
f￥-t, L 忛飔口79・／゛7p” While checking the video signal from the i-grip in the viewfinder,... the video signal output terminal provided on the grip and the VTR.
By making one connection, you can operate the VTR nearby, making it easy to take pictures with the camera's remote control.

Embodiment Hereinafter, a photographing apparatus according to an embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is an exploded perspective view showing the main structure of a photographing device according to an embodiment of the present invention, and FIG. 2 is a block diagram showing electrical connections. The camera body 11 has a photographing lens 12 on the front surface, and an optical image of a subject photographed by the photographing lens 12 is captured by a CCD (charge coupled device) or the like provided on the focal plane of the photographing lens 12. The image sensor 13 converts it into an electrical signal. This electrical signal is converted into a predetermined video signal by the video circuit 14, and is supplied to a camera terminal 16 provided on the bottom surface of the camera body 11. The camera body 11 is configured to be detachable from a hand grip 16, and a hand grip fixing screw 18 is inserted into a tripod screw hole 17 provided on the bottom surface of the camera body 11 through a fixing hole 19 provided in the hand grip 16. By screwing, the camera body 11 and the hand grip 16 can be integrated. At this time, the camera terminal 16 comes into contact with the grip terminal 2o provided on the handgrip 16 and is electrically connected. The video signal transmitted to the grip terminal 2o is transmitted to the V provided on the rear surface of the hand grip 16.
The TR connection cable is supplied to a detachable VTR connection terminal 21 and also to a viewfinder connection terminal 22 provided on the top surface of the handgrip 16. A viewfinder mounting bracket 23 is provided near the viewfinder connection terminal 22, and the viewfinder 24 can be completely fixed by the viewfinder mounting bracket 23. The viewfinder 24 has a connection cable 26, and by connecting the plug 26 at the tip of the connection cable 26 to the viewfinder connection terminal 22, a video signal is projected onto a small cathode ray tube 27 inside the viewfinder 24, and The image photographed by the photographing lens 12 can be confirmed through the lens 2B. Further, a recording switch 29 is provided on the rear surface of the hand grip 16, and by pressing the recording switch 29, the VT connected to the VTR connection terminal 21 can be
You can start recording, pause recording, and use the LiC installed in the viewfinder 24.
D (light emitting diode) 30 can be blinked to indicate that recording is in progress. Furthermore, a zoom switch 31 is provided on the top surface of the hand grip 16, and a grip terminal 2 is provided.
0. A zoom signal is transmitted to the zoom motor control circuit 32 in the camera body 11 via the camera terminal 16, and the zoom motor control circuit 32 drives the zoom motor 33, thereby performing an electric zoom operation. The power supply 34 connected to the VTR connection terminal 21 is connected to the grip terminal 20.
Power is supplied to the camera body 11 through the camera terminal 15tl, and the viewfinder connection terminal 22. plug 2
Power is also supplied to the viewfinder 24 via 6.

Further, the lower surface of the hand grip 16 also has a tripod screw hole 35 for fixing to a tripod.

The operation of the photographing device configured as described above will be described below. First, when performing normal shooting, the third
As shown in the perspective view of the figure, the camera body 11 and the hand grip 16'fr are fixed by the hand grip fixing screw 18, and the view finder 24 is attached to the upper part of the hand grip 16 for use in an integrated state. A VTR is connected to the VTR connection terminal 21 via a VTR connection cable 36.
(not shown) is connected to the image sensor 13. Video circuit 14
is converted into a video signal, and by pressing the recording switch 29 while checking the video on the viewfinder 24, the VTR starts recording.

You can perform all operations such as pausing recording.

Next, a case will be described in which the camera body 11 is separated and remote control photography is performed at a remote location. Figure 4 is a perspective view showing the case of split remote control photography. Pa″′″”11
'e PA: y Vf IJ ,, -y'''°''''1 separation, an extension cable 37 is used to extend between the camera terminal 16 provided on the camera body 11 and the grip terminal 20 provided on the hand grip 16. , the viewfinder 24 is used by being fixed to the upper part of the hand grip 16. By using it in such a state, the view finder 24 is fixed to the upper part of the hand grip 16.
By connecting the VTR connection cable 36i to the VTR connection terminal 21 of the camera, it becomes possible to install the entire VTR near the handgrip 16, and the image obtained by the camera body 11 installed at a location away from the handgrip 16 and the VTR. While checking all signals on the viewfinder 24, press the recording switch 29. Zoom switch 31
All predetermined signals can be recorded on the VTR by simple operations.

In the above embodiment, a case has been described in which the handgrip video signal is supplied from the camera body, but both the video signal and the audio signal may be supplied. Furthermore, although the hand grip section and the viewfinder section have been explained in the case where they can be separated, the hand grip section and the view finder section may be integrated.In this case, wiring can be done internally, so the view finder section Connection terminals, etc. can be made unnecessary.

Effects of the Invention As described above, the present invention provides a camera body, a hand grip portion having a video signal output terminal for holding the camera body, a connecting means for removably connecting the camera body and the hand grip portion, A first video signal supply means for supplying all the video signals from the camera body to the handgrip section, a viewfinder section for checking all the video signals, and a second video signal supply means for supplying the video signals from the handgrip section to the viewfinder section. By providing video signal supply means and metal parts, the camera body and the hand grip part can be separated, and only the camera body can be installed in a separate place, and the distance between the hand grip and the hand grip can be separated by 1.
By using an extension cable, it can be extended to any length, making it extremely easy to operate the remote control while checking the video signal from the handgrip in the viewfinder, and also keeping the VTR close at hand. Therefore, there is no need to extend the VTR connection cable, and remote control photography can be easily performed.

[Brief explanation of the drawing]

FIG. 1 is an exploded perspective view showing the configuration of the main parts of an imaging device according to an embodiment of the present invention, FIG. 2 is a block diagram showing electrical connections of the same embodiment, and FIG. 3 is an integrated view of the same embodiment. FIG. 4 is a perspective view showing the state in which the embodiment is completely divided. FIG. 6 is a perspective view showing an integrated state of a conventional photographing device, and FIG. 6 is a perspective view showing a state in which it is divided. 11...Camera body, 12...Photographing lens, 13...Image sensor, 15...Camera terminal, 16...Hand grip, 18...
...Hand grip fixing screw, 2o...Grip terminal, 22...Viewfinder connection terminal, 24...Name of viewfinder agent Patent attorney Toshi Nakao, male 1 other person 11 drawings 3 drawings

Claims (1)

[Claims] a photographic lens for photographing a subject; a photoelectric conversion means for converting an optical image formed by the photographic lens into an electrical signal; a camera body holding the photographic lens and the photoelectric conversion means;
a handgrip portion having a video signal output terminal for holding the camera body; a connecting means for removably connecting the camera body and the handgrip portion; a video signal output terminal from the camera body to the handgrip portion; a first video signal supply means for supplying a video signal, a viewfinder section for checking the video signal, and a second video signal supply means for supplying a video signal from the handgrip section to the viewfinder section. A photographing device characterized by: