JPH03276974A - Video camera - Google Patents

Abstract

PURPOSE:To decrease the interrupt time in the case of changeover between a battery and an external power supply by loading a connector unit to a battery loading part and controlling a changeover switch provided on the connector unit. CONSTITUTION:A connector pack 28 is loaded to a battery loading part 19 of a video camera 10. Then a battery 20 is loaded to a battery loading part 31 of the connector pack 28. Then the connector pack 28 is inserted between the camera 10 and the battery 20 and the three devices are connected together. Thus, power is supplied to the camera 10 from the battery 40 stored in an external battery holder 39 by the connector pack 28. It is possible to select two kinds of power supplies by a changeover switch provided on the connector pack 28. Thus, the pickup interruption time at power changeover is reduced.

Description

[Detailed description of the invention]

TECHNICAL FIELD The present invention relates to a video camera, and more particularly to a video camera that is equipped with a battery mounting part in a part of a cabinet and is driven by a battery mounted in the battery mounting part. . Summary of the Invention: A connector constituting an external power supply adapter is attached to the battery mounting part of the video camera, and
A battery mounting part for mounting a battery is provided on the back of this connector to form a power cam pack, and by supplying a battery attached to a tripod or the like to the video camera as necessary through the connector, This makes it possible to shoot for long periods of time.

[Conventional technology]

The video camera captures an image through an optical lens provided on the mirror II, converts this image into an electrical signal using COD, and extracts a video signal from this signal. The video signal is then recorded on a magnetic tape in a tape cassette by a VTR built into the camera. In other words, video cameras usually have a built-in VTR;
has at least a recording function. Moreover, the video camera is equipped with a battery installation part in a part of its cabinet, and the battery installed in this battery installation part connects the camera and the built-in VT.
R is driven.

[Problems to be solved by the invention]

If you increase the size of the battery installed in the battery installation section,
This increases the size and weight of the video camera. Therefore, a relatively small battery was installed in the video camera. Therefore, when operating the video camera for a long period of time, it is recommended to attach another battery that constitutes an external power source to the battery holder, and connect the battery for the external power source to the video camera via the connector attached to the battery installation part. I was doing it. Therefore, according to this structure, when using an external power source, it is necessary to remove the normal battery from the battery mounting part and also attach a connector for the external power supply to the battery mounting part, which makes switching operations easier. In addition to being troublesome, shooting had to be stopped for a certain period of time when switching operations were performed. The present invention has been made in view of these problems, and allows connection to an external power source without removing a normal battery, and also allows switching between both types of power sources by simply switching a switch. The object of the present invention is to provide a video camera that can perform the following functions. Means for Solving Problem K] The present invention provides a video camera which includes a battery mounting part in a part of the cabinet and is driven by a battery mounted in the battery mounting part. A connector unit is provided that can be detachably attached to a battery attachment part and connected to an external power source, and the battery can be detachably attached to the connector unit. and,
A changeover switch for switching between the external power source and the battery is provided.

[Effect]

Therefore, by attaching the connector unit to the battery attachment part of the video camera and attaching the battery to this connector unit, switching between the battery and the external power source is performed by operating the changeover switch provided on the connector unit. becomes possible. K Embodiment FIGS. 1 and 2 show a video camera according to an embodiment of the present invention, and this video camera is equipped with a lens barrel 11 at the front left side of a cabinet 10 thereof. An optical lens is arranged inside the lens barrel 11, and an image is captured through this optical lens. Further, a plurality of camera operation buttons 12 are arranged on the outer side of the lens barrel 11. In addition, a viewfinder 1 is rotatably mounted on the top of the lens barrel 11.
3 is installed. Further, a video operation button 14 is provided on the top of the cabinet 10, and is used to perform operations such as switching the mode of the VTR built in the cabinet 10. Further, a microphone 15 is provided on the front side of the cabinet 10 so that audio can be recorded. Furthermore, a grip belt 16 is provided on the right side of the cabinet 10, and the video camera can be held with the right hand by this belt 16. A battery mounting part 19 is provided on the back side of the cabinet 10, and a battery 20 is installed in this battery mounting part 19.
It is designed to be removably attached. Engagement claws 21 are provided on both sides of the upper and lower sides of the battery mounting portion 19, respectively, so that these engagement claws 21 are engaged with engagement grooves 22 provided on both the upper and lower sides of the battery 20. It has become. In addition, the installed battery 20 is connected to the lock claw 2.
It is locked by 3. A release lever 24 is provided on the cabinet 10 in order to retract the lock claw 23. Further, a conductive contact pin 25 is provided so as to protrude from the battery mounting portion 19, and the battery 20 and the video camera are electrically connected by this contact pin 25. An adapter bag 28 consisting of a connector unit is inserted between the video camera 10 and the battery 20 using the battery mounting portion 19. The adapter bag 28 is composed of a flat, substantially rectangular parallelepiped cabinet, and has an engaging portion 29 on the front side thereof. Engagement grooves 30 are provided on both upper and lower sides of the engagement portion 29, and these engagement grooves 30 receive the left and right engagement claws 21 of the battery mounting portion 19. Further, on the back side of the adapter bank 28, a battery mounting section 31 having a structure substantially similar to the battery mounting section 19 of a video camera is provided. That is, engagement claws 32 are provided on the upper and lower sides of the battery mounting portion 31 of the adapter puncture 28, respectively, and a locking claw 33 is provided so as to be retractable. Also, a conductive contact pin 34 protrudes. Further, a release lever 35 is provided on the side surface of the adapter bag 28, and the lock claw 33 is retracted by this release lever 35. A cord 38 is connected to the connector back 28. The tip of this cord 38 is attached to the external battery holder 3.
It is designed to be connected to 9. A battery 40 constituting an external power source is attached to this battery holder 39. Further, the connector back 28 is provided with a changeover switch 41 for switching between the battery 20 and a battery unit 39 constituting an external power source. With this switch 41,
As shown in FIG. 3, switching between two types of power sources 20 and 40 is performed. In the above configuration, if the video camera is to be operated for a long time, a connector back 28 is used as shown in FIG. That is, as shown in FIGS. 1 and 2, the connector back 28 is attached to the battery attachment portion 19 of the video camera 10. In this case, the engaging claw 21 on the camera side is engaged with the engaging groove 30 of the adapter back 28, and the locking claw 23 is locked in this state. Then, the power line of the video camera and the adapter bag 28 are connected through the contact bin 25. After that, attach the battery mounting part 3 of the adapter bag 28.
Attach the battery 20 to 1. That is, the engaging claw 32 of the adapter bag 28 is attached to the engaging groove 22 of the battery 20, and the attached battery 20 is locked by the locking claw 33. Then, the adapter bag 28 is sandwiched between the video camera 10 and the battery 20, so that the three are connected to each other. As described above, according to the video camera according to the present embodiment, power is supplied to the video camera 10 from the battery 40 held in the external battery holder 39 through the connector back 28. A battery 20 is also attached to the back side of the video camera 10 via a connector 28. Therefore, as shown in FIG. 3, by switching the selector switch 41, it becomes possible to easily and quickly switch between the two types of power sources. That is, there is no need to remove the battery 20 when switching to the external power source +1i40. Furthermore, since it is no longer necessary to remove the battery 20, attach the connector back 28, and connect to the external power source 11140 when switching the power source, the interruption time of imaging when switching the power source is extremely shortened. Furthermore, since switching between the battery 20 and the external power source 40 can be performed using only the switch 41, it is possible to reduce the size of the battery 40 constituting the external power source by the size of the battery 200. This improves the mobility of the video camera. Furthermore, it becomes possible to increase the amount of power supplied by an amount corresponding to the capacity of the battery 40. In FIG. 4, an external battery holder 39 holding a battery 40 constituting an external power source is attached to a leg portion of a tripod 45. Note that it is also possible to attach the battery holder 39 not only to one leg but also to two or more legs. Further, as shown in FIG. 5, a battery holder 39 holding a battery 40 constituting an external power source may be attached to a shoulder holder 48 holding a video camera. A liquid crystal monitor 49 is attached to the front side of the shoulder holder 48, and the video camera 10 is placed on the shoulder via the holder 48, and images are taken while viewing images on the liquid crystal monitor 49. In addition, an external power source is attached to the blaze that makes up the shoulder rest.
] - This power may be supplied to the video camera via the card 38 and the connector pack 28. ``Effects of the Invention'' As described above, the present invention provides a connector unit which is removably attached to the battery mounting part and which is connected to an external power source. The unit is equipped with a mounting part to which a battery can be detachably mounted, and a changeover switch for switching between an external power source and the battery.Therefore, the connector unit can be mounted on the battery mounting part of a video camera, and By attaching a battery to the attachment part of this connector unit, it becomes possible to arbitrarily select between the battery and an external power supply simply by switching the selector switch, making it easy to operate the video camera for long periods of time. At the same time, the interruption time during switching is also very short.

[Brief explanation of the drawing]

Fig. 1 is an external perspective view showing the connection of a connector pack of a video camera according to an embodiment of the present invention, Fig. 2 is an external perspective view of the video camera with a connector back connected, and Fig. 3 is a power supply switching circuit. FIG. 4 is an external perspective view of a tripod to which an external battery holder constituting an external power source is attached, and FIG. 5 is an external perspective view of a shoulder holder to which an auxiliary power source is attached. Also, the names of the main parts in the drawings are as shown. 10 ・ 19 ・ 20 ・ 21 ・ 22 ・ 25 ・ 28 ・ 29 ・ 30 ・ 31 ・ 32 ・ 38 ・ 39 ・・Cabinet・Battery installation section・Battery・Engagement claw・Engagement groove・Contact bin・Connector back・Retention Joining part, engaging groove, battery mounting part, engaging claw, cord, external battery holder 40, 41, 45, 48, ・Battery, changeover switch, tripod, shoulder holder

Claims (1)

[Claims] 1. In a video camera that includes a battery mounting part in a part of the cabinet and is driven by a battery mounted in the battery mounting part, the battery mounting part has the following features: A connector unit is provided that can be detachably attached and connected to an external power source, and the connector unit has a mounting portion that can detachably attach the battery;
A video camera characterized in that a changeover switch is provided for switching between the external power source and the battery.