JPH089719Y2 - Power pack for camera - Google Patents

Description

[Detailed Description of the Invention] A. Field of Industrial Application The present invention relates to a power pack for a camera.

B. Conventional Technology Conventionally, an electric hoist has been attached to the outside of the camera body so that the film can be hoisted by a motor, and an electric hoist that has a built-in electric hoist to reduce the size of the camera. The camera is known. In the case of attaching a long film bag to this type of electric camera, in the former case, the long film bag and the electric hoisting device are electrically connected by a film back cord to exchange control signals and power. The length film back and the camera body will be connected by a film back cord. In the former case, the film bag and the camera body are electrically connected via a film back cord and an electric hoist.

C. Problems to be solved by the invention For this reason, in the latter camera with a built-in electric hoisting device, a connector for a film back cord is required in the camera body, and the camera body is inevitably increased in size. In particular, since the long film back has a limited use, it is not a good idea to provide the camera body with the connector as a standard. Such a problem may occur not only in the long film bag but also in other accessories.

An object of the present invention is to provide a power pack that effectively utilizes the space on the outer peripheral surface thereof to reduce the number of electrical parts such as connectors attached to the camera body.

D. Means for Solving the Problems Referring to FIGS. 3 and 6 showing an embodiment, the power pack according to the present invention has an external camera body.
A vertical power supply accommodating portion 121, which is configured to form a camera grip portion at one end side of the eleventh, and in which a power supply battery BT is accommodated so as to extend in the vertical direction of the camera, and a camera main body 11 on the outside.
A horizontal power supply housing configured to form a bottom portion of the power supply battery and having a power supply battery BT housed therein so as to extend in the lateral direction of the camera.
122, and a connecting portion that integrally connects the vertical power supply housing 121 and the horizontal power supply housing 122 below one end side of the camera body 11.
And 124. The connecting portion 124 is below the lower end portion of the power source battery BT housed in the vertical power source housing portion 121, and is closer to the camera one end side than the camera one end side end portion of the power source battery BT housed in the horizontal power source housing portion 122. Connector 123 for supplying power from the battery BT to the accessory device 20 (FIG. 7) at the position
Has a lid member 124 disposed so as to be exposed to the outside, and the lid member 124 includes a power supply battery BT housed in the vertical power supply housing 121 and a power supply battery BT housed in the horizontal power supply housing 122. A power supply battery BT housed in the vertical power supply housing part 121 and a power supply battery BT housed in the horizontal power supply housing part 122 by having contacts 124a, 124b respectively connected to the It can be taken out.

E. Action When using, for example, a long film bag as an accessory, a lid member 124 provided at the above-mentioned connecting portion of the power pack
Is provided with a film back connector. A film back cord is connected to the connector 123, and the long film back, the power source, and the camera body are connected via the film back connector 123 of the power pack. The lid member 124 is separable from the power supply pack, and the power supply battery BT housed in the vertical power supply housing 121 by being separated.
It is possible to take out the power supply battery BT housed in the horizontal power supply housing 122 from the power pack.

F. Embodiment An embodiment of the present invention will be described with reference to FIGS.

FIG. 3 shows an electric camera 10 equipped with a power pack according to the present invention. The electric camera 10 is constructed by mounting a high voltage power pack 12 on a camera body 11. That is, as shown in FIG. 2, the camera body 11 has a release button.
The grip portion arranged below the 110 is cut out, and a dovetail 111a is projected on the camera front side surface 111 of the cutting part, and a dovetail 112a is projected on the camera side surface 112 of the cutting part. .

On the other hand, as shown in FIGS. 1 and 4 to 6, the high voltage power pack 12 functions as a grip portion when mounted on the camera body 11 and a vertical power supply in which the first battery chamber 125 is formed. The accommodating portion 121, the horizontal power supply accommodating portion 122 that functions as a camera bottom when mounted on the camera body 11, forms a second battery chamber 126, and is further provided with a tightening screw 122a, and both power supply accommodating portions 121, 122. The battery BT in both battery chambers 125, 126 is provided at the connecting portion which is integrated in a substantially L shape and intersects with each other, and the long filmback connector is provided on the outer surface thereof, particularly the surface having an inclination of about 45 degrees with the optical axis. And a battery lid 124 on which 123 is arranged.

Battery compartments for vertical power supply housing 121 and horizontal power supply housing 122
Battery contacts 125a and 126a are provided inside 125 and 126, and an external contact 127 that electrically connects with the camera body 11 is provided on the upper end surface of the vertical power supply housing 121, and an electrical connection with the battery lid 124 is provided on the lower end surface. An external contact 128 is provided. On the other hand, as shown in FIG. 5, the battery cover 24 has battery contacts 124 on its upper and side surfaces.
a, 124b are provided and these battery contacts 124a, 1
An external contact 124c electrically connected to the connector 24b and the long film back connector 123 is provided.

As shown in FIG. 1, the vertical power supply housing 121 has a dovetail groove 1
21a and 121b are engraved on the camera body 11 as shown in FIG.
Align the dovetail grooves 121a, 121b on the dovetails 111a, 112a projecting on the (see FIG. 4), and screw the tightening screw 122a provided in the horizontal power source housing 121 into the tripod mounting female screw part of the camera body 11. As a result, the high voltage power pack 12 is integrated with the camera body 11 as shown in FIG. At this time, as shown in FIG. 6, the contact point 127 provided on the upper end of the vertical power source housing 121 and the camera body side contact point 111c are connected. Three batteries BT are accommodated in each of the battery chambers 125 and 126, and battery lids 124 are fixed by engaging engagement members (not shown) with the vertical and horizontal power supply accommodating portions 121 and 122, respectively. At this time, the battery cover 124
The external contact 124c is connected to the external contact 128 of the vertical power supply housing 121. As a result, the power source from the battery BT is
It is connected to the camera body 11 via 4c, 128, 111c, and is connected to the long filmback connector 123 via an external contact 124c.

An electric camera 10 equipped with such a high voltage power pack 12
When a long film bag is attached to the, it becomes as shown in FIG. 7 and FIG.

The long film back 20 has a film winding motor and its control circuit, and is attached to the back surface of the camera body 11. In use, the film back cord 21 connected to the film back 20 is connected to the connector 123 of the high voltage power pack 12. This allows the film back cord 2
Power is supplied from the power pack 12 to the long film back 20 via 1 and control signals are exchanged between the electric camera body 11 and the long film back 20.

By providing the film back cord connector 123 on the surface having an inclination of about 45 degrees with respect to the optical axis as in the embodiment, the following effects can be obtained.

As a surface on which the connector 123 is installed, the side surface of the power pack 12 on the side of the camera or the side surface of the power pack 12 on the front of the camera can be considered. However, as can be seen from FIG. 7, the former surface is close to the film magasin and is apt to interfere with the work when the film is replaced. Further, since the latter surface is close to the taking lens, there is a possibility that the lens operation may be hindered. From the above points, it is most preferable to provide the connector 123 on the surface inclined by about 45 degrees with respect to the optical axis.

When the high-voltage power pack 12 described above is not mounted, the low-voltage power pack is mounted to feed power to the electric camera 10.

As shown in FIGS. 9 to 11, the low voltage power pack 52
Is a power pack body 521 that functions as a grip portion when attached to the camera body 11, and forms a battery chamber 55 between the camera body 11, and battery contacts 522, 523 provided inside the body 521. It has battery contacts 522, 523 provided on the upper end surface of the main body 121 and a contact 524 for connecting to a contact (not shown) provided on the camera main body 11. The power pack main body 521 is provided with dovetail grooves 521a and 521b. The dovetail grooves 521a and 521b are fitted on the camera body 11 so that the dovetail grooves 521a and 521b are fitted into the dovetail grooves 521a and 521b (similar to FIG. 4). By screwing the low-voltage power pack 52 to the camera body 11, the two are integrated.

G. Effect of the Invention The power pack according to the present invention has a vertical power source housing part, which has a camera grip on the outside and a power source is housed inside, and an outer part having the same shape as the bottom part of the camera, and the power source is housed inside. A horizontal power source accommodating portion, both power source accommodating portions are formed in a substantially L shape, and a connector for electrically connecting with an accessory device such as a long film bag is provided on the outer surface of the connecting portion where the both power source accommodating portions intersect. Since the connector is provided, it is not necessary to equip the camera body with a standard connector that is rarely used as standard equipment, which contributes to downsizing of the camera body and cost reduction.

[Brief description of drawings]

1 to 6 show an embodiment of the present invention. FIG. 1 is a perspective view of a power pack, FIG. 2 is a perspective view of a camera body, and FIG.
FIG. 4 is a perspective view of the electric camera when the power pack is attached to the camera body, FIG. 4 is a cross-sectional view of the vertical power supply housing, and FIG.
FIG. 6 is a perspective view of the battery lid, and FIG. 6 is a sectional view when the power pack is attached to the camera body. 7 and 8 are a perspective view and a plan view, respectively, showing the case where a long film back is mounted. FIG. 9 is a perspective view of a low-voltage power pack attached to an electric camera to which the power pack according to the present invention can be attached, FIG. 10 is a perspective view of an electric camera equipped with the power pack, and FIG. 11 is this power source. It is sectional drawing which shows the inside of a pack. 10: Electric camera 11: Camera body 12: Low-voltage power pack 110: Release button 111a, 112a: Yes 121: Vertical power supply housing 121a, 121b: Yes Groove 122: Horizontal power supply housing 123: Long film back connector 124: Battery lid

Claims (2)

[Scope of utility model registration request] 1. A power pack attachable / detachable to / from a camera body, wherein the outside is configured to form a camera grip portion at one end side of the camera body, and a power battery is housed inside so as to extend in the camera vertical direction. A vertical power supply housing, a horizontal power supply housing configured such that the outside forms a bottom of the camera body, and a power supply battery is housed therein so as to extend in the lateral direction of the camera; and the one end side of the camera body. A connecting portion that integrally connects the vertical power supply accommodation portion and the horizontal power supply accommodation portion at a lower portion, wherein the connection portion is below a lower end portion of a power supply battery accommodated in the vertical power supply accommodation portion, and A connector for supplying power from the power supply battery to the accessory device is exposed to the outside at a position closer to the one end of the camera than the end of the power supply battery housed in the horizontal power supply housing is on the one end side of the camera. And a contact member that is connected to the power supply battery housed in the vertical power supply housing and the power supply battery housed in the horizontal power supply housing, respectively. The power supply pack, which is separated from the power supply pack, allows the power supply battery housed in the vertical power supply housing and the power supply battery housed in the horizontal power supply housing to be taken out of the power pack. . 2. The power pack according to claim 1, wherein the vertical power source housing portion, the horizontal power source housing portion, and the connection portion are integrally formed in an L-shape. And a power pack.