JP3693110B2 - power cable - Google Patents

Description

[0001]
[Industrial application fields]
The present invention is a VTR integrated video camera.Batteries that can be detachably attached toIdeal to apply topower cableIt is about.
[0002]
[Prior art]
Conventionally, two types of large and small battery packs have been used as power sources for VTR-integrated video cameras. The most common type of this type of battery pack is a small battery pack using a lithium ion battery with a small external dimension and high energy density, and a nicad with a large external dimension and low energy density. There is a large battery pack using a battery (Nicd Battery).
[0003]
And for small battery packs, there is a method of detachably attaching to a specific video camera by a direct attachment method (direct joint method) with a mechanical coupling part and an electrical connection part without using a power cable. It has already been invented.
[0004]
Conventionally, a large battery pack is inserted into a battery insertion portion such as a battery case or a battery insertion hole provided in another video camera, and the tip of a pigtail type power cable pulled out from the second battery pack. The power plug is connected to the power connector provided in the battery insertion section.
[0005]
[Problems to be solved by the invention]
Therefore, a small battery pack was developed exclusively for a specific video camera and does not have a power cable that matches the power connector of other video cameras compatible with large battery packs.ThisThe small battery pack of other camcorder battery caseEtc.Insert the battery into the batteryCould not be used.
[0006]
For this reason, there has conventionally been a problem that a small battery pack having the same capacity as a large battery pack, a small outer dimension, and a high energy density cannot be used for other video cameras compatible with the large battery pack. It was.
[0007]
The present invention has been made to solve the above-described problems, and enables a small battery pack developed for a specific electronic device to be used for other electronic devices compatible with the large battery pack.Power cable forThe purpose is to provide.
[0008]
[Means for Solving the Problems]
To achieve the above object, the present inventionpower cableThe deviceImaging deviceAgainstTaperedMechanical jointAnd DenIt can be attached detachably by the direct attachment method depending on the air connection part.NaKatteryA first connection terminal that is detachably connected to the electrical connection portion, and a second connection terminal that is detachably connected to a power connector of another electronic device.Is a thing
In this case, it is preferable that a locking tool for locking the first connection terminal detachably connected to the electrical connection portion to the battery is provided on the first connection terminal.
[0009]
[Action]
Of the present invention configured as described abovepower cableIsImaging deviceAgainstTaperedMechanical jointAnd DenIt can be attached detachably by the direct attachment method depending on the air connection part.NaKatteryThe first connection terminal that is detachably connected to the electrical connection portion and the second connection terminal that is detachably connected to the power connector of another electronic device. Insert the battery into the battery insertion part such as the battery case of other video cameras that can be detachably attached by the direct attachment method with the taper-shaped mechanical coupling part and electrical connection part. If the first electrical connection is connected to the first electrical connection of the small battery and the second electrical connection is connected to the power connector of another video camera, the small battery is connected to the other video camera. Also shared with cameracan do.
[0010]
【Example】
Hereinafter, a battery device in which the present invention is applied to a VTR-integrated video cameraFor the best power cable to use forOne embodiment will be described with reference to the drawings.
[0011]
[Description of a specific video camera using a small battery pack]
First, according to FIG.Small batteryAn example of a specific electronic device using a small battery packIt is an imaging deviceAn entire VTR integrated video camera (hereinafter simply referred to as a specific video camera) will be described.
[0012]
The specific video camera 1 includes a video camera body 2, and an imaging device and a cassette type VTR (both not shown) are built in the front side and the rear side of the video camera body 2. A lens 3 such as a zoom lens is replaceably attached by a lens mount 4 on the optical axis of the image pickup apparatus on the front surface 2a which is a vertical side surface on the front side of the video camera body 2. A handle 5 is screwed onto the upper surface 2b of the video camera main body 2, and a shoulder pad 6 bent in an approximately arch shape is screwed to the lower surface 2c of the video camera main body 2.
[0013]
Various camera accessories such as a small battery pack 11 and a camera adapter are detachably attached to the rear surface 2d, which is a vertical side surface on the rear side of the video camera body 2, by a direct mounting method (direct joint method). The attachment mechanism 7 is provided.
[0014]
[Description of small battery pack and mounting mechanism]
Next, the small battery pack 11 and its mounting mechanism 7 will be described with reference to FIGS.
[0015]
[Description of small battery pack]
The small battery pack 11 has a substantially flat rectangular parallelepiped shape using a lithium ion battery. The small battery pack 11 will be described later.Large batteryCompared to the large battery pack 31, the battery has a smaller outer dimension and a higher energy density. The small battery pack 11 is a battery that does not use a power cable (power cable-less).
[0016]
[Description of mounting mechanism]
The attachment mechanism 7 includes a lock mechanism 12 for mechanically detachably coupling the small battery pack 11 to the video camera body 2.TaperedA concave-convex fitting portion 13 that is a mechanical coupling portion and a power connection connector 14 that is an electrical connection portion for electrically detachably connecting the small battery pack 11 to the video camera body 2 are provided. .
[0017]
The concave / convex fitting portion 13 includes upper and lower portions of the rear surface 2 d of the video camera body 2, a concave side member 131 that is screwed perpendicularly to substantially the left and right central portions, and upper and lower portions of the vertical front surface 11 a of the small battery pack 11. It is comprised by the convex side member 132 formed by integral molding etc. in the center part of right and left. In addition, this convex side member 132 is formed in the center part of the upper side in the recess 133 formed in the front surface 11a.
[0018]
A concave member 131 is formed in the groove 134 and a convex member 132 is formed in the groove 135. The right and left side surfaces of the dovetail groove 134 and the dovetail 135 are formed in tapered guides 136 and 137 that are tapered in the direction of arrow a, which is the lower side, and are symmetrical.
[0019]
The lock mechanism 12 is attached to the concave side member 131 and is engaged with a lock concave portion 121 formed on one side surface of the convex side member 132, and the lock claw 122 is for unlocking the lock claw 122. The lever 123 and a lock spring (not shown) for engaging and energizing the lock claw 122 with the lock recess 121 are configured.
[0020]
The connector 14 includes a male side member 142 having a plurality of vertical connector pins 141 screwed vertically and vertically to a position directly below the concave side member 131 on the rear surface 2d of the video camera main body 2, and the battery pack 11 A female side member 144 having a plurality of vertical pin insertion holes 143 formed downward by integral molding or the like at a position directly below the convex side member 132 on the front surface 11a. Of these pin insertion holes 143, a pair of left and right pin insertion holes are configured as + and-power supply terminals 143a and 143b. The male side member 142 is provided with a slide shutter 145. An upward substantially U-shaped notch 150 is formed around the female member 144 at the lower end of the front surface 11 a of the small battery pack 11.
[0021]
A pair of left and right vertical guide protrusions 146 are formed on the lower end side of the rear surface 2d of the video camera body 2, and a pair of left and right cut into the front surface 11a of the battery pack 11 upward from the lower end thereof. A vertical guide groove 147 is formed. Further, a pair of left and right vertical guide protrusions 148 are formed in parallel to the rear surface 2d on the left and right side edges of the male side member 142 of the connector 14, and the left and right sides of the female side member 144 are opposed to each other in the lateral direction. A pair of left and right vertical guide grooves 149 are formed.
[0022]
[Small battery pack installation]
When the small battery pack 11 is attached to the rear surface 2d of the video camera body 2, as shown by a one-dot chain line in FIG. 7, the photographer takes the thumb of the right hand and the other four fingers (index finger, middle finger, ring finger, little finger). Thus, the center of the left and right side surfaces 11b and 11c of the small battery pack 11 in the vertical direction is pinched from both sides, and the lower end side of the recess 133 of the front surface 11a of the small battery pack 11 is roughly inserted into the outer periphery of the concave member 131. In this way, as indicated by the one-dot chain line in FIG. 5, the front surface 11a is brought into contact with the rear surface 2a in parallel from the direction of the arrow c.
[0023]
Next, the small battery pack 11 is pulled down from the position indicated by the one-dot chain line to the position indicated by the solid line in FIG. 5 and FIG.
[0024]
Then, as indicated by solid lines in FIGS. 2 and 7, the convex member 132 is automatically guided in the direction of the arrow a into the concave member 131 by the pair of left and right tapered guides 136, 137, and there are 135. It is automatically fitted into the groove 134.
[0025]
At this time, the centering of the connector 14 is automatically performed by the tapered guides 136 and 137, and the plurality of pin insertion holes 143 of the connector 14 are smoothly inserted into the plurality of connector pins 141 from the direction of the arrow a.
[0026]
At this time, the pair of left and right guide grooves 147 and 149 are inserted into the pair of left and right guide protrusions 146 and 148 from the direction of arrow a.
[0027]
Then, when the bar 135 is completely fitted in the bar groove 134, as shown in FIGS. 7 and 3, the lock spring 121 automatically locks into the lock recess 121 of the convex member 132 from the arrow b direction. The small battery pack 11 is automatically locked to the video camera body 2 by being engaged.
[0028]
Therefore, according to the attachment mechanism 8 of the small battery pack 11, the small battery pack 11 is not directly placed in the battery case, and without using a power cable, it can be directly attached to the rear surface 2d of the video camera body 2 ( It can be detachably mounted by a direct joint method).
[0029]
Moreover, when the small battery pack 11 is attached, the recess 133 of the small battery pack 11 is roughly inserted into the outer periphery of the concave member 131 from the direction of the arrow c, and then the small battery pack 11 is simply moved in the direction of the arrow a. By simply performing a one-touch operation, the small battery pack 11 can be mechanically easily coupled to the video camera body 2 by the concave / convex fitting portion 13, and at the same time, the small battery pack 11 can be electrically connected to the video camera body 2 by the connector 14. The battery pack 11 can be easily connected and the power of the battery pack 11 can be automatically supplied to the video camera body 2.
[0030]
Therefore, the small battery pack 11 can be attached to the rear surface 2d of the video camera main body 2 very easily and easily.
[0031]
Since the centering of the connector 14 can be automatically performed by the pair of left and right tapered guides 136 and 137 of the concave and convex fitting portion 13, the plurality of pin insertion holes 143 of the connector 14 are formed into the plurality of connector pins 141. It can be inserted smoothly without any error.
[0032]
And since the fitting direction of the dovetail 135 with respect to the dovetail groove 134 of the concavo-convex fitting portion 13 and the insertion direction of the plurality of pin insertion holes 143 with respect to the plurality of connector pins 141 of the connector 14 are the direction of the arrow a which is downward from above. These fittings and insertions can be reliably performed using the weight of the small battery pack 11.
[0033]
Accordingly, the battery pack 11 can be mechanically and securely coupled to the video camera body 2 and can be electrically connected with high reliability, thereby preventing adverse effects due to vibrations and the like.
[0034]
Further, by utilizing the weight of the small battery pack 11, the pair of left and right tapered guides 137 of the dovetail groove 134 can be firmly attached to the pair of left and right tapered guides 136 by the wedge action. The pack 11 can be stably coupled to the video camera main body 2 so that there is no backlash.
[0035]
[Removal operation of small battery pack]
When removing the small battery pack 11 from the rear surface 2d of the video camera body 2, first, the cameraman places the right thumb on the left and right side surfaces 11b, 11c of the battery pack 11 in the vertical direction and the other four. Hold the thumb on the knob 123a of the unlocking lever 123 with the fingers (index finger, middle finger, ring finger, little finger) from both sides, and push the unlocking lever 123 in the direction of the arrow b 'with the thumb. At this time, since a notch 151 corresponding to the knob 123a of the unlocking lever 123 is formed at the edge portion between the front surface 11a and the one side surface 11b of the battery pack 11, the thumb of the unlocking lever 123 is formed with the thumb. The lock release lever 123 can be smoothly pushed in the direction of the arrow b by pushing the 123a into the notch 151.
[0036]
Then, the lock claw 122 is released from the lock recess 121 of the convex member 132 in the direction of the arrow b ′ by the lock release lever 123 against the lock spring, the small battery pack 11 is unlocked, and the thumb as it is. Thus, the left side surface 11b of the small battery pack 11 can be grasped.
[0037]
Then, after that, if the battery pack 11 is pulled up along the rear surface 2d in the upward arrow a 'direction, as shown by the one-dot chain line in FIGS. At the same time, the plurality of pin insertion holes 143 of the connector 14 are extracted from the plurality of connector pins 141 in the direction of the arrow a ′.
[0038]
At this time, the pair of left and right guide protrusions 146 and the guide groove 147 can prevent the small battery pack 11 from being twisted and can smoothly lift the small battery pack 11 in the direction of the arrow a ′.
[0039]
Therefore, thereafter, the small battery pack 11 can be easily removed in the direction of the arrow c in FIG. 5, and the removal operation of the small battery pack 11 can be performed easily and easily in the same manner as the above-described attachment operation.
[0040]
In addition to the small battery pack 11, the attachment mechanism 7 of the specific video camera 1 is configured so that a camera adapter and other various camera accessories can be attached in a replaceable manner by the same direct attachment method. ing.
[0041]
[Description of other video cameras using large battery packs]
Next, referring to FIG. 9, an entire VTR-integrated video camera (hereinafter simply referred to as another video camera) as an example of another electronic device using a large battery pack will be described.
[0042]
In the other video camera 21, like the specific video camera 1 shown in FIG. 5, a lens 3 such as a zoom lens is interchangeably attached to the front surface 22a of the video camera body 22 by a lens mount 4, and the upper surface 22b. A handle 5 is attached, and a shoulder pad 6 is attached to the lower surface 22c.
[0043]
A battery case 23 as a battery insertion portion is screwed vertically on the rear surface 22d of the video camera body 22 so that the large battery pack 31 can be removably inserted into the battery case 23 for storage. It is configured.
[0044]
[Description of battery case and large battery pack]
Next, the battery case 23 and the large battery pack 31 will be described with reference to FIGS.
[0045]
[Battery case description]
The battery case 23 is constituted by a case main body 24 and a case lid 25 in a substantially flat box shape. The bottom 25a of the case lid 25 is attached to the bottom 24a of the case main body 24 by a hinge 26 so as to be rotatable in the directions of arrows e and e '. The case lid 25 is opened to one side surface of the case main body 24. The battery insertion slot 27 can be opened and closed. A lock mechanism 28 is attached between the upper portion 24b of the case body 24 and the upper portion 25b of the case lid body 25 to lock the case lid body 25 in a closed state using a shrimp metal fitting or the like.
[0046]
A power connector 29 is built in the horizontal state so as to face the battery insertion port 27 at the uppermost position inside the case body 24 of the battery case 23.
[0047]
[Description of large battery pack]
The large battery pack 31 is formed in a substantially flat rectangular parallelepiped shape using a Nicd battery. The large battery pack 31 is a battery having a larger outer dimension and a lower energy density than the small battery pack 11 described above.
[0048]
A pigtail power cable 32 is drawn from the upper surface 31 of the large battery pack 31, and a power plug 33 is attached to the tip of the power cable 32.
[0049]
[Storing operation of large battery pack]
When the large battery pack 31 is inserted into the battery case 23 and stored, first, the power plug 33 at the end of the power cable 32 is first inserted into the power connector 29 into the case body 24 as shown in FIGS. Connect with.
[0050]
Then, the large battery pack 31 is placed in a vertical posture and is inserted into the case body 24 from the battery insertion port 27 in the direction of the arrow f. Then, the case lid 25 is rotated in the direction of the arrow e and pulled vertically, and the battery lid 27 of the case body 24 is closed with the case lid 25 and then locked by the lock mechanism 28. It is.
[0051]
FIG. 13 shows another example of the storage method of the large battery pack 31 in another video camera 21 or the like.
[0052]
That is, in this case, a battery insertion hole 43 as a battery insertion portion is formed vertically on the rear surface 22d of the video camera body 22, and a battery insertion port 44 opened downward is provided on the lower surface of the battery insertion hole 43. A horizontal slide type opening / closing lid 45 is provided in the directions of arrows g and g ′ for opening and closing the opening.
[0053]
A power connector 29 is built in the lower end inside the battery insertion port 44.
[0054]
Accordingly, in this case, as shown in FIG. 13A, the large battery pack 31 is turned upside down and inserted vertically from the battery insertion port 44 into the battery insertion hole 43 in the direction of the arrow h. Then, it is stored as shown in FIG.
[0055]
Then, as shown in FIG. 13 (B), the power plug at the tip of the power cable 32 is inserted and connected to the power connector 29, and then, as shown in FIG. And the battery insertion slot 44 is closed, and the opening / closing lid 45 is locked by a lock mechanism (not shown).
[0056]
By the way, the small battery pack 11 described above has features such as the same capacity, high energy density, and no memory effect as compared with the large battery pack 31.
[0057]
Therefore, in the present invention, the small battery pack 11 that can be detachably attached to the specific video camera 1 by the direct attachment method without using the power cable 32 is connected to the power connector 24 by the power cable 32, and It is made to correspond also to the other video camera 21 which used the large sized battery pack 31 inserted in the battery case 23 or the battery insertion hole 43. FIG. Then, the use time of the battery of these other video cameras 21 can be extended by taking advantage of the features of the small battery pack 11.
[0058]
[Conversion cable for small battery pack(power cable)Description]
Therefore, a conversion cable 51 for making the small battery pack 11 compatible with another video camera 21 will be described with reference to FIGS.
[0059]
First, in this conversion cable 51, a pair of left and right power contact pins 53a and 53b are integrally planted on a front surface 52a of a holder 52 formed of synthetic resin. Then, the pigtail power cable 54 connected to the power contact pins 53a and 53b is pulled out from the back surface 52b of the holder 52 to a predetermined length. A power plug 55 corresponding to the power connector 29 of the other video camera 21 described above is connected to the tip of the power cable 54.That is, power contact pins 53a and 53b, which are first electrical connection portions, are connected to one end of the power cable 54, and a power plug 55, which is a second electrical connection portion, is connected to the other end.
[0060]
A pair of left and right locking recesses are formed on the left and right side walls of the substantially U-shaped notch 150 formed at the lower end of the front surface 11a of the small battery pack 11.56Are formed symmetrically. And these locking dents56A pair of left and right elastic locking claws 57 that are locked against elasticity inside are integrally formed symmetrically on the left and right side surfaces 52 c of the holder 52. Note that a pair of left and right knob portions 58 for release are integrally formed symmetrically at the lower ends of the left and right ends of the pair of left and right locking claws 57.
[0061]
[Operation of attaching conversion cable 51 to small battery pack]
First, as shown in FIG. 4, a conversion cable is provided in a substantially U-shaped notch 150 formed around the female-side member 144 of the power connection connector 14 which is an electrical connection portion of the small battery pack 11. The pair of left and right power contact pins 53a and 53b are inserted into the pair of left and right power terminals 143a of the plurality of pin insertion holes 143 so that the holder 52 of 51 and the pair of left and right engaging claws 57 are inserted from the direction of the arrow a '. , 143b from the direction of the arrow a '.
[0062]
Then, at this time, the pair of left and right engaging claws 57 are engaged with the pair of left and right engaging recesses 56 against elasticity and the power contact pins 53a and 43b are connected to the power terminals 143a and 143b. The battery pack 11 is locked.
[0063]
In this connected state, the holder 52 and the pair of left and right engaging claws 57 are almost completely accommodated in the volume of the small battery pack 11.
[0064]
[Operation of inserting a small battery pack into the battery case]
Next, when the small battery pack 11 is inserted and housed in the battery case 23 of the other video camera 21 shown in FIGS. 9 to 12, the small battery pack 11 is inserted as shown in FIGS. Insert the power plug 55 at the tip of the power cable 54 of the conversion cable 51 into the power connector 29 in the case main body 24 by inserting the power plug 54 vertically into the case main body 24 through the battery insertion port 27 in the direction of the arrow f. Connecting.
[0065]
Then, the case lid 25 is rotated in the direction of the arrow e and pulled vertically, and the battery insertion port 27 of the case main body 24 is closed with the case lid 25 and then locked by the lock mechanism 28.
[0066]
[Prevents rattling of the small battery pack in the battery case]
However, at this time, the internal volume of the battery case 23 is formed in a size corresponding to the large battery pack 31. If the small battery pack 11 is inserted into the battery case 23 as it is, the small battery pack 11 However, a significant backlash occurs in the battery case 23 and it becomes completely unstable.
[0067]
Therefore, as shown in FIG. 1 and FIG. 2, one or more spacers are provided on the side surface 11c and the upward lower surface 11d of the small battery pack 11 (may be other side surface 11b and the downward upper surface 11e). 59 is detachably attached in advance with a removable tape such as double-sided adhesive tape 60, and the apparent volume of the small battery pack 11 is expanded to a size corresponding to the large battery pack 31.
[0068]
Then, as shown in FIG. 1, if the small battery pack 11 to which the spacer 59 is attached in advance is inserted into the case body 24 of the battery case 23, the case lid 25 is closed and locked by the lock mechanism 28. The small battery pack 11 is pressed in the battery case 23 through one or a plurality of spacers 59 by the case lid 25, the holder 29a of the power connector 29, etc., so that the small battery pack 11 is free from rattling. It is fixed stably.
[0069]
The spacer 59 can be formed of various members such as foamed urethane, felt, synthetic rubber, paper, and wood chips, but the spacer 59 having elasticity is preferable. Further, without using the double-sided adhesive tape 60, it is possible to attach the concave groove formed on the side surface of the spacer 59 to the small battery pack 11 by a mechanical coupling method such as fitting the outer periphery of the small battery pack 11. It is.
[0070]
Then, by connecting the conversion cable 51 to the small battery pack 11 as described above, it is inserted into the battery insertion hole 43 of the other video camera 21 shown in FIG. The power connector 29 can be connected.
[0071]
As described above, the small battery pack 11 is also used for another video camera 21, and other video cameras are utilized by taking advantage of the features (high energy density, no memory effect, etc.) of the small battery pack 11. The usage time of the battery 21 can be easily extended.
[0072]
When the small battery pack 11 is used again for a specific video camera 1, as shown in FIG. 4, if the grip 58 of the pair of left and right engaging claws 57 is pinched with the fingertips and compressed in the direction of the arrow h, The pair of locking claws 57 are disengaged from the pair of locking recesses 56 in the direction of arrow h.
[0073]
Therefore, if the pair of left and right knob portions 58 are pinched and pulled together with the holder 52 in the direction of arrow a, as shown in FIG. 3, the pair of left and right power connection pins 53a and 53b are connected to the pair of left and right power terminals 143a, The conversion cable 51 can be easily detached from the small battery pack 11 so as to be extracted from 143b in the direction of arrow a.
[0074]
Although one embodiment of the present invention has been described above, the present invention is not limited to the above embodiment, and various modifications can be made based on the technical idea of the present invention.
[0075]
Further, the present invention is not limited to the video camera battery device shown in the above embodiment, but can be widely applied to various electronic device battery devices using a battery pack.
[0076]
【The invention's effect】
The battery device of the present invention configured as described above has the following effects.
[0077]
Claim 1Power cable is imaging deviceAgainstTaperedMechanical jointAnd DenIt can be attached detachably by the direct attachment method depending on the air connection part.NaKatteryA first connection terminal that is detachably connected to the electrical connection portion, and a second connection terminal that is detachably connected to a power connector of another electronic device, for example, a small battery. The large battery is inserted into the battery insertion part of the battery case of other video cameras that are detachably attached by the direct attachment method by the tapered mechanical coupling part and the electrical connection part. If one electrical connection is connected to the first electrical connection of the small battery and the second electrical connection is connected to the power connector of another video camera, the small battery is connected to the other video camera. Also sharedSo that you can make a conventional large batteryInA small battery can be used for other electronic devices that could only be used, and the versatility of the small battery is expanded.
[0078]
Claim 2Since a locking tool for locking the first connection terminal detachably connected to the first electrical connection portion to the battery is provided, when the small battery is mounted on another video camera and used, Since the cable can be securely locked to the small battery by the locking portion, the power cable is not easily detached from the small battery during use, and the reliability is improved.
[Brief description of the drawings]
FIG. 1 is a partially cutaway rear view when a small battery pack is inserted into a battery case and used in an embodiment of a battery device in which the present invention is applied to a video camera.
2 is a drawing in which a case lid of the battery case of FIG. 1 is opened.
FIG. 3 is a perspective view illustrating a conversion cable of a small battery pack.
FIG. 4 is a perspective view of a state where a conversion cable is connected to a small battery pack.
FIG. 5 is a side view of a specific video camera in which a small battery pack is attached and used by a direct attachment method.
6 is a perspective view illustrating a mechanism for attaching a small battery pack to the video camera of FIG. 5. FIG.
7 is a cross-sectional rear view taken along the line AA in FIG. 5;
8A is a cross-sectional plan view taken along the line B-B in FIG. 7, and FIG. 8B is a cross-sectional plan view taken along the line C-C in FIG. 7.
FIG. 9 is a side view of another video camera that uses a large battery pack housed in a battery case.
10 is a partially cutaway side view showing a state in which a large battery pack is inserted and stored in the battery case of the video camera of FIG. 9. FIG.
11 is a perspective view of the battery case of FIG.
12 is a perspective view in which a case lid of the battery case of FIG. 11 is opened.
FIG. 13 is a perspective view illustrating another example of another video camera that is used by inserting a large battery pack into a battery insertion hole.
[Explanation of symbols]
1 is a specific video camera (It is an imaging device2) Video camera body, 7 direct attachment type mounting mechanism, 11 small battery pack(battery), 13 is a concave / convex fitting portion (tapered mechanical coupling portion), 14 is a power connection connector (electrical connection portion), 21 is another video camera (other electronic device), 22 is a video camera body, 23 Is a battery case (battery insertion part), 31 is a large battery pack(Battery) 43 is a battery insertion hole (battery insertion part), 51 is a conversion cable, 52 is a holder, 53a and 53b are power contact pins(First connection terminal), 54 is a power cable, 55 is a power plug(Second connection terminal), 56 is a locking recess, and 57 is a locking claw (locking tool).It is.

Claims (2)

First connecting terminal is detachably connected to the electrical connections of the detachably mountable server Tteri direct mounting method by a tapered mechanical coupling and electrical connections to the imaging apparatus When,
A power cable comprising: a second connection terminal detachably connected to a power connector of another electronic device . The locking device for locking the first connection terminal detachably connected to the electrical connection portion to the battery is provided on the first connection terminal. Power cable as described in

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