JPH02244879A - Video camera - Google Patents

Abstract

PURPOSE:To prevent a video output terminal from protruding from an outer package case of a camera by providing at least the video output terminal with a video signal outputted therefrom in a battery mount part in addition to a power input terminal. CONSTITUTION:Four claws 51 and a lock claw 52 to mount a battery, a couple of power input terminals 53 and 12 terminals 54 including the video output terminal are provided to a battery mount 50 of a camera. The video output terminal is provided to the battery mount in this way. Thus, the video output terminal does not protrude from the outside of the case regardless of the mount of the battery to the battery mount.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a video camera, and more particularly to a video camera that records and reproduces a video signal of a subject image.

[Conventional technology]

Conventional video cameras of this type include electronic still cameras. This electronic still camera uses a solid-state image sensor and a video floppy with a relatively large storage capacity as a recording medium, and takes still images of the subject purely electronically and magnetically records them on the rotating video floppy.The image is played back by the camera. This is done by connecting the video output terminal provided on the computer to a separate television system, printer, etc.

[Problem to be solved by the invention]

Such electronic still cameras have problems with the cover of the connector having the video output terminal etc. from the viewpoint of miniaturization and aesthetics of the camera. Further, this connector is provided with a rubber cap or the like to prevent dust and static electricity.

The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a video camera in which the video output terminal and the like are not exposed to the exterior case of the camera.

[Means to solve problems]

In order to achieve the above object, the present invention provides an imaging means for obtaining a video signal from an image of a subject photographed with a photographic lens, and a recording/recording means for recording the video signal on a recording medium and reading out the video signal recorded on the recording medium. A video camera having a playback means and a battery mounting part into which a battery for supplying power to the imaging means, recording/playback means, etc. is mounted has a power supply input terminal in addition to a power input terminal in the battery mounting part. The present invention is characterized in that at least a video output terminal for outputting the video signal is provided.

[Effect]

According to the present invention, since the video output terminal is provided in the battery mounting part, the video output terminal is not exposed to the outside when the battery is mounted to the battery mounting part.

〔Example〕

Preferred embodiments of the video camera according to the present invention will be described in detail below with reference to the accompanying drawings.

1 and 2 are perspective views of a video camera according to the present invention, respectively, with FIG. 1 showing the strobe when it is closed (stored), and FIG. 2 showing the strobe when it is open.

This video camera is an electronic still camera, and when the shirt release button 10 is turned on, a subject image formed by the photographic lens 12 on a CCD sensor (not shown) is photoelectrically converted by the CCD sensor and is converted into one screen. is output as a video signal to a magnetic recording/reproducing device (not shown).

A magnetic recording/reproducing device mainly includes a disk drive unit that rotates a magnetic disk in a video floppy at a predetermined rotational speed, a head feeding mechanism and disk drive unit that moves a magnetic disk in the radial direction of the magnetic disk, a head feeding mechanism, etc. The video signal is magnetically recorded on a predetermined track of a magnetic disk via a magnetic head. Further, video signals recorded on the magnetic disk are read out as appropriate via a magnetic head.

The video floppy is inserted into a floppy holder that is provided inside a lid 14 on the front of the camera and opens and closes with the lid 14, and is positioned at a predetermined magnetic recording/reproducing position by closing the lid 14.

Note that 16 is a lever for opening the lid 14.

Further, this electronic still camera is capable of two types of photography: telephoto and wide-angle photography, and switching between telephoto and wide-angle photography is performed using the T/W button 18. Furthermore, the strobe 20 is disposed on the top of the camera so that it can be opened and closed, and the strobe 20 when closed (stored) can be opened by operating an opening lever knob 22. Note that 24 is a battery for supplying power to the camera.

FIG. 3 is an exploded perspective view of a part of the front cover of the camera;
In addition to the lid 14, a grip rubber 32, a glass plate 34, an AF plate 36, an LED window 37, and a finder window 38 are provided on the front surface of the front cover 30, and the T/W button 18 and the opening lever are provided on the top surface. A knob 22 and the like are provided.

The opening lever knob 22 is fixed to the closing lever 26 through the front cover 33 (F) hole 30A with a set screw 27, and the opening lever 26 is moved by the knob 22 in the directions of arrows A and B. It has become. Further, the opening lever 26 is biased in the direction of the arrow by a torsion spring 28.

On the other hand, the base end of the torsion spring 28 is connected to the T/
It passes through the W button 18 and is locked to the front cover 30,
The torsion spring 28 also functions to prevent the T/W button 18 from being removed. In addition, 29 is a cushion. Further, details of the opening operation of the strobe 20 by the opening lever 26 will be described later.

FIG. 4 is an exploded perspective view of a part of the back cover of the camera, and the back cover 40 is provided with a fixing plate 42, rubber contacts 44, and an eye cup 46.

FIG. 5 is a perspective view of the camera shown in FIG. 1, viewed from the grip side, and shows the camera with the battery 24 removed.

In the figure, a battery mounting section 50 of the camera has four claws 51 and locking claws 52 for mounting the battery 24, a pair of power input terminals 53, and twelve terminals 54 including a video output terminal. 1: is provided. The battery 24 has four guide grooves and locks that engage with the four claws 51. It has a recess that engages with the claw 52. When installing the battery 24 in the battery mounting part 50, align the battery 24 so that the guide groove and the claw part 51 engage with each other, and press the battery 2.1 against the battery mounting part 50 to lock it. The battery is attached to the battery mounting part 50 by retracting the claw 52 and the power input terminal 53, then sliding the battery 24 and engaging the locking claw 52 in the recess of the battery. Then, when this is installed,
Power can now be supplied to the camera via 3.

Next, the battery mounting section 50 will be explained in detail.

FIG. 6 is an exploded perspective view of the battery mounting section 50. In the same figure, a pair of contact springs 61 equipped with power input terminals (two buff-terry bins) 53 are arranged on a board 60, and 12 terminals 54 are arranged.
In addition to the video output terminal, the 2N terminal 54 includes a signal input terminal for controlling the camera, such as frame advance during playback and erasing the video signal. -Also, the substrate 60
A battery holder 63 with an alkaline battery 62 attached to it.
．． 64 and a buzzer 65 are provided. This board 60 is
It is screwed to the battery box 70.

The battery box 70 is provided with a lock spring 71 having the lock pawl 52 described above, and a lock spring 71 having the lock pawl 52 described above.
A battery ejection mechanism is provided for evacuation of the battery. This battery eject mechanism consists of an eject knob 72, a return spring 73, an eject member 74, etc. The eject member 74 can be moved in the directions of arrows A and B by the eject knob 72, and the return spring
It is urged in the direction of arrow B by □. Further, the ejecting member 74 has a cam portion 74A interposed between the lower end of the lowering/lowering claw 52 and the battery box 70. . Therefore, when the ejecting member 74 is moved in the direction of the arrow by the ejecting knob 72 against the biasing force of the return spring 73, the cam B 74 A of the ejecting member 74 is moved.
As a result, the lock pawl 52 is pulled back against the biasing force of the lock spring 71, and the battery 24 is unlocked.

Further, the battery box 70 is provided with a release board 75 having a shutter release button IO. Then, the battery box 70 is screwed to the battery frame 76 of the camera.

According to the battery mounting section 50 having the above configuration, since the 12 terminals 54 are provided in the battery mounting section 50, the terminals 54 can be protected from dust and static electricity by mounting the battery 24 in the battery mounting section 50. It can be protected and eliminates the need for conventional rubber caps. Also,
Even if the camera is made smaller, there is still sufficient space in the battery mounting section 50 for arranging the terminal 54, which increases the degree of freedom in the form of the exterior cover of the camera.

On the other hand, when playing still images recorded on a video floppy on a TV screen, the battery 24 is removed from the battery mounting section 50 and connected to the power input terminal 53 and 12 terminals 54, which have the same shape as the battery 24. A case having a terminal (hereinafter referred to as a cover) is connected to the battery mounting part 50.
The cover is connected to the controller via a cord, and the controller is connected to the video input terminal of the TV via another cord. This controller is
Signals that control the power supply, camera playback, etc. can be output to the camera via the converter, and the video signal read out from the camera can be applied to the video input terminal of the TV via the converter and controller. With this, a still image recorded on a predetermined track of a video floppy can be played back on the TV by outputting a signal instructing playback to the camera from the controller.

Next, with reference to FIGS. 7 to 11, the strobe 20
Nitsushi) will explain in detail.

As mentioned above, the strobe 20 is disposed on the top surface of the camera so that it can be opened and closed, and the light source can be moved according to switching between telephoto and wide-angle modes.

FIG. 7 is a front view showing the internal structure of the camera, with the strobe 20 open. In the same figure, the photographing lens 12 consists of two lenses 12A and 12B for telephoto and wide-angle.
2B is held by a lens holding member 80 that swings in response to commands from the T/W button 18, and is selectively positioned at a predetermined photographing position.

8 and 9 are right side views of FIG. 7.

As shown in FIG. 8, the strobe 20 is rotatably supported by a support shaft 100, and its rotation range is restricted by a guide bin 102 and a guide groove 104. Further, the strobe 20 is biased in the opening direction by a spring 106 (111th!!).

The plate member 108 is rotatably supported by a support shaft 110 and is biased counterclockwise in FIG. 8 by a spring 112 (FIG. 7), with its tip touching the bottom of the strobe 20 are in contact with each other.

That is, this plate 108 prevents the inside of the camera from being seen when the strobe light 20 is open.

The switch 114 is a power switch for operating the strobe 20, and is switched between 0N10FF by a pressing piece 116 that is linked to the opening and closing of the strobe 20.
ONL when 0 is open and OFF when closed. In FIG. 8, reference numeral 118 denotes a light control sensor for detecting the brightness of the subject and adjusting the amount of light emitted by the strobe 20.

Further, as shown in FIG. 9, the slide member 120 is
It is guided so as to be movable in the left and right directions in the figure, and a cannon tube 122 and a reflector 124 are fixed on this slide member 120.

Then, the slide member 1 based on the tele or wide command
With the movement of 20, the xenon tube for the Fresnel lens 126! 22 and reflector 124 are moved to the two positions accordingly.

Next, the opening/closing mechanism of the strobe 20 and the slide member 120
The drive mechanism will be explained.

FIG. 1θ is a left side view of FIG. 7, and is a plan view showing the internal structure of the camera of FIG. 11. As shown in FIG. 10, a recess 130 is formed on the side surface of the strobe 20, and a slide bin 132 (see FIG. 11) that engages with the recess 130 is provided on the camera body side. . The slide bin 132 is arranged so as to be movable in the left-right direction in FIG. . Further, the rear end of the slide bin 132 is in contact with the tapered surface of the opening lever 26 (see FIG. 3).

Therefore, when opening the strobe 20, this opening lever 2
6 is moved upward in FIG. 11 by the opening lever knob 22, and the slide bin 132 is moved leftward by the tapered surface of the opening lever 26. As a result, the recess 130 of the strobe 20 and the slide bin 132 are disengaged, and the strobe 20 is opened by the biasing force of the spring 106.

On the other hand, when closing the strobe 20, the strobe 20 is pushed down by hand. As a result, the slide bin 132 having a tapered tip is retracted by the side surface of the strobe 20, and then the recess 132 on the side surface of the strobe 20 is retracted.
30 to hold the strobe 20 in the closed state.

The drive mechanism of the slide member 120 is mainly the first lever 140S! 2 Lever 142. First torsion spring 1
44, a second torsion spring 146, and the like.

The second lever 142 is rotatably disposed on the camera body side by a bin 148, and a cam follower (eccentric bin) 150 is disposed at one end to which a driving force is applied via a motor and a cam (not shown). and a second lever 1 at the other end.
A pressing piece 140A for pressing 42 is formed by bending.

The lever 142 is rotatably disposed on the strobe side by a pin 154, and has an abutment shaft 142A that abuts the pressing piece 140A of the lever 140 at one end, and a slide member 120 at the other end. A hook portion 142B that engages with the bottle 120A is formed.

The first torsion spring 144 is connected to the strobe side and the slide member 120.
The slide member 120 is spring-biased in the depth direction (upward on the eleventh side). 2nd torsion spring 1
46 is arranged to rotate together with the second lever 142, and one end thereof biases the bottle 120A of the slide member 120 so as to clamp the bottle 120A between the hook portion 142B of the second lever 142. There is.

It should be noted that the pressing piece 140A of the first lever 140 and the abutment shaft 142A of the second lever 142 are always in contact with each other regardless of whether the strobe 20 is opened or closed. 120
is guided so as to be movable in the vertical direction in FIG.

Now, when a wide command is applied by the T/W button 18 and the second lever 140 is rotated by a predetermined amount clockwise, the second lever 142 and the second torsion spring i46 are rotated as the second lever 1400 is rotated. is rotated clockwise. As a result, the hook 142 of the second lever 142
The slide member 120, in which the bottle 120A is held between B and the second torsion spring 146, is moved to the wide position (downward in the JR11 diagram) against the biasing force of the first switching spring 144.

On the other hand, when a tele command is applied by the T/W button 18, the first lever 140 and the second lever 142 can be rotated counterclockwise, and as a result, the slide plate 120 is moved by the biasing force of the first torsion spring 144. Tele position (11th
The movement of the slide member 120 causes the second lever 142 to rotate counterclockwise, and as the second lever 142 rotates counterclockwise, the second lever 140 Rotate counterclockwise.

Although this embodiment deals with an electronic still camera, the present invention can also be applied to a video camera that has a battery mounting section and performs magnetic recording and playback on a videotape.

[Effects of the Invention] As explained above, according to the video camera according to the present invention, the video output terminal etc. are provided in the battery mounting part of the camera, and these terminals are prevented from being exposed to the outside.
The video output terminal etc. can be protected from dust and RP electricity, and conventional rubber caps etc. are no longer necessary. Additionally, the degree of freedom of the camera's external cover 〇-shaped jaw increases, contributing to the miniaturization of the camera.

[Brief explanation of drawings]

1 and 2 are perspective views of a video camera according to the present invention, FIG. 3 is an exploded perspective view of a part of the front cover of the camera shown in FIG. 1, and FIG. 4 is a perspective view of a video camera according to the present invention. An exploded perspective view of a part of the back cover of the camera. Figure 5 is a perspective view of the camera shown in Figure 1 with the battery removed and viewed from the battery installation side. Figure 6 is a perspective view of the battery installation part shown in Figure 5. 7 is a front view showing the internal structure of the camera shown in FIG. 1 when the strobe is open, FIGS. 8 and 9 are a right side view of FIG. 7, and FIG. 10 is a front view of the camera shown in FIG. Left side view of Figure 7, No.
FIG. 11 is a plan view showing the internal structure of the camera shown in FIG. 7. 12...Photographing lens, 24...Battery
50...Battery installation part, 53...Power input terminal, 54...Terminal, 70...Battery box.

Claims (1)

[Scope of Claims] Imaging means for obtaining a video signal from a subject image photographed with a photographing lens; recording/reproducing means for recording the video signal on a recording medium and reading out the video signal recorded on the recording medium; In a video camera having a battery mounting part in which a battery for supplying power to an imaging means, a recording/reproducing means, etc. is mounted, in the battery mounting part, in addition to a power input terminal, at least a video signal for outputting the video signal is provided. A video camera characterized by being provided with an output terminal.