JPH0535632B2 - - Google Patents

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 ART 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 photographing apparatus has had a structure as shown in FIGS. 5 and 6, as shown in, for example, Japanese Patent Application Laid-open No. 57-166782.

That is, when performing normal photography, attach the handgrip 1 and the viewfinder 2 to the camera body 3 as shown in FIG.
By pressing the recording switch 4 provided in the video tape recorder (VTR) connection cable 5, the VTR connected to the video tape recorder (VTR) connection cable 5 can be operated to start recording or temporarily stop recording.

Next, when photographing at a location away from the camera body 3, remove the hand grip 1 and the viewfinder 2 from the camera body 3, and attach the viewfinder 2 to the grip fixing screw 7, as shown in FIG.
Fix it to the hand grip 1 by using the screws. By extending the viewfinder connection cable 6 to the camera body 3 and pressing the recording switch 4,
Operations to start recording 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 near the camera body, and other operations such as turning the VTR's power on and off, replacing the tape and battery, etc., must be done using the remote control. Because I couldn't do it, I had to go to the VCR each time. Also, if there is no space to install a VTR near the camera, it is possible to extend the VTR connection cable, but in this case, the VTR
This has the problem that two extension cables are required, one for connection and one for connection to the viewfinder, and it takes time and effort to connect.

In view of the above problems, the present invention provides an extension cable with one extension cable.
The present invention provides a photographing device that allows remote-controlled photographing with ease.

Means for Solving the Problems In order to solve the above problems, the photographing device of the present invention includes a camera body having a photoelectric conversion means for converting an optical image photographed by a photographing lens into an electrical signal, and a handgrip having an operating member for variable operation of the photographing state of the camera body and a signal output member for outputting a video signal etc. to the outside; a viewfinder section provided on the handgrip; a first contact provided on the camera body for transmitting electrical signals such as video signals; a second contact provided on the handgrip and capable of contacting the first contact; The main body is removably held in the hand grip, and the first contact point and the second contact point are connected to each other.
and an attachment/detachment means that can be extended and connected to the contact point using a predetermined extension cable.

Effects According to the present invention, the camera body and the holding means are separated from each other, and a single extension cable is used to extend the distance between the camera body and the holding means. While checking the video signal from the device with the viewfinder,
By connecting the video signal output terminal provided on the holding means to the VTR, the VTR can be operated nearby, making it easy to take pictures with the remote control of the camera.

Embodiment A photographing device according to an embodiment of the present invention will be described below 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. Camera body 1
1 has a photographing lens 12 on the front surface thereof, and an optical image of a subject photographed by the photographing lens 12 is captured by a CCD provided on the focal plane of the photographing lens 12.
The signal is converted into an electrical signal by an image sensor 13 such as a charge coupled device (charge coupled device). This electric signal is converted into a predetermined video signal by the video circuit 14, and is supplied to a camera terminal 15 provided on the bottom surface of the camera body 11. The camera body 11 is configured to be detachably attached to a handgrip 16, and a handgrip fixing screw 18 is inserted into a tripod screw hole 17 provided on the bottom surface of the camera body 11.
The camera body 11 and the hand grip 16 can be integrated by screwing them through the fixing hole 19 provided in the camera body 6. At this time, camera terminal 1
5 makes contact with a grip terminal 20 provided on the hand grip 16 and is electrically connected. The video signal transmitted to the grip terminal 20 is supplied to the VTR connection terminal 21 provided on the rear surface of the hand grip 16 and to which a VTR connection cable can be attached and detached.
A viewfinder connection terminal 22 provided on the upper surface of the handgrip 16 is also supplied. A viewfinder attachment fitting 23 is provided near the viewfinder connection terminal 22, and the viewfinder attachment 23 can fix the viewfinder 24. The viewfinder 24 has a connection cable 25, and by connecting a plug 26 at the tip of the connection cable 25 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 taken by the photographing lens 12 can be confirmed through the lens 28. In addition, hand grip 16
The rear panel has a recording switch 29, and by pressing the recording switch 29, you can start recording and pause recording of the VTR connected to the VTR connection terminal 21, and also display the video. An LED (light emitting diode) 30 provided in the viewfinder 24 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 zoom switch 31 is connected to the camera body via the grip terminal 20 and the camera terminal 15.
A zoom signal is transmitted to a zoom motor control circuit 32 in the zoom motor control circuit 1, and the zoom motor control circuit 32 drives the zoom motor 33, thereby performing an electric zoom operation. A power supply 34 connected to the VTR connection terminal 21 supplies power to the camera body 11 via the grip terminal 20 and the camera terminal 15, and also supplies power to the camera body 11 through the viewfinder connection terminal 22 and the plug 2.
Power is also supplied to the viewfinder 24 via 6. The lower surface of the hand grip 16 also has a tripod screw hole 35 for fixing it to a tripod.

The operation of the photographing device configured as described above will be described below. First, when performing normal photography, as shown in the perspective view of FIG.
The viewfinder 24 is attached to the upper part of the camera and used in an integrated state. A VTR (not shown) is connected to the VTR connection terminal 21 via a VTR connection cable 36, and an optical image of a subject photographed by the photographic lens 12 is transferred to the image sensor 13 and the video circuit 14.
By pressing the recording switch 29 while checking the image on the viewfinder 24, the VTR can start recording or pause 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. Fourth
The figure is a perspective view showing the case of remote control photography in which the camera body 11 is separated from the hand grip 16 and the camera terminal 1 provided on the camera body 11 is shown.
5 and the grip terminal 2 provided on the hand grip 16
0 by an extension cable 37, and the viewfinder 24 is used by being fixed to the upper part of the handgrip 16. When used in this condition, by connecting the VTR connection cable 36 to the VTR connection terminal 21 of the handgrip 16, a VTR can be connected near the handgrip 16.
It is now possible to install the hand grip 1
6 and the video signal obtained by the camera body 11 installed in a place away from the VTR, on the viewfinder 24 at hand, operate the record switch 29, zoom switch 31, etc.
A predetermined signal can be recorded.

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 explanation has been made for the case where the handgrip part and the viewfinder part can be separated, the handgrip part and the viewfinder part may be integrated into one, and in this case, wiring can be done internally, so the viewfinder connection terminal etc. can be made unnecessary.

Effects of the Invention As described above, the present invention provides a camera body having a photoelectric conversion means for converting an optical image photographed by a photographing lens into an electric signal, and an operation member for variably operating the photographing state of the camera body. a handgrip having a signal output member for outputting a video signal or the like to the outside; a viewfinder section provided on the handgrip for checking a video signal photographed by the camera body; a first contact provided on the hand grip for transmitting an electrical signal such as a video signal;
a second contact that can be contacted with a contact of the camera body, and the camera body is detachably held in the hand grip, and an extension connection can be made between the first contact and the second contact using a predetermined extension cable. The camera body and the holding means can be separated, the camera body alone can be installed in a separate place, and the connection between the holding means and the holding means can be made as desired by using a single extension cable. This makes it possible to operate the remote control extremely easily while checking the video signal from the holding means on the viewfinder, and also allows you to keep the VTR close at hand, making it possible to extend the VTR connection cable. There is no need to do so, and remote control photography can be easily performed. The same hand grip can be used to operate the camera both when it is integrated and when it is separated, improving operability and preventing erroneous operation.

[Brief explanation of the drawing]

FIG. 1 is an exploded perspective view showing the configuration of the main parts of a photographing 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 same embodiment in a divided state. FIG. 5 is a perspective view showing an integrated state of a conventional imaging device;
FIG. 6 is a perspective view showing the divided state. 11...Camera body, 12...Photographing lens, 1
3...Image sensor, 15...Camera terminal, 16...
Hand grip, 18... Hand grip fixing screw, 20... Grip terminal, 22... Viewfinder connection terminal, 24... Viewfinder.

Claims (1)

[Claims] 1. A camera body having a photoelectric conversion means for converting an optical image photographed by a photographing lens into an electric signal, an operating member for variably operating the photographing state of the camera body, and for outputting video signals, etc. to the outside. a handgrip having a signal output member; a viewfinder section provided on the handgrip for confirming a video signal taken by the camera body; and a viewfinder section provided on the camera body for transmitting electrical signals such as video signals. a first contact point provided on the hand grip and capable of contacting the first contact point; a second contact point provided on the hand grip and capable of contacting the first contact point;
and an attachment/detachment means that can be extended and connected to the contact point using a predetermined extension cable.