JPH04105768U - electronic still video camera - Google Patents

Abstract

(57) [Summary] [Purpose] To improve the battery configuration of an electronic still video camera, to make the camera itself smaller and lighter, and to improve the camera's portability and ease of handling when taking pictures. With the goal. [Structure] A release button 3 that starts recording an image when pressed by the photographer is provided on the top surface of the main body 1A of the electronic still video camera 1. Near the release button 3, a display liquid crystal section 4 and an operation A section 5 is provided for displaying various photographic information and setting photographing conditions. A floppy disk insertion slot 12, a finder 8, a DC-IN terminal 9, a video output terminal 10, a remote control terminal 11, etc. are provided on the rear surface of the camera body 1A. Inside the camera body 1A, there is a camera 1
A small battery 57 is built in as a rechargeable first battery that serves as a power source. A holder 13 is provided which is detachably attached to the camera body 1A, and the holder 13 has a small battery 5.
It has a built-in large-capacity battery as a rechargeable second battery that can be recharged.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention relates to electronic still video cameras, and in particular to electronic still video cameras. This invention relates to improvements in the equipment form of batteries used.

0002

[Conventional technology]

In recent years, optical images of objects have been captured using optical photographing means such as lenses and apertures, such as CCDs. The image is formed on a solid-state image sensor, and the image signal output from the image sensor is used as a still video. An image configured to be recorded on a recording element such as a magnetic disk called a floppy disk. Electronic still video camera as an image recording device and playback of recorded still images Still image playback devices that perform (see).

0003 When using the electronic still video camera and still image playback device as described above, Unlike traditional film cameras, there is no developing or fixing process for the still images taken. Still images can be reproduced extremely easily. By the way, in such electronic still video cameras, the power supply for the camera is The battery is equipped with a removable battery. This battery is rechargeable by removing it from the camera and connecting it to a power source via the AC adapter. It is now possible to charge.

0004 Such conventional batteries can be used to Generally, it is not possible to charge the camera, so it is necessary to have enough charge capacity for multiple shots. They are usually quite large. In particular, strobes, etc. consume a lot of power. Still video cameras require even larger batteries.

[0005]

[Problem that the idea aims to solve]

However, the battery-equipped type of such conventional electronic still video cameras In some situations, the battery must be installed in the camera body when using the camera. As a result, the camera itself becomes larger and heavier, making it inconvenient to carry the camera. There is also a problem in that it is inconvenient to handle when photographing.

[0006] In view of the above-mentioned conventional problems, this invention was developed to improve the battery life of electronic still video cameras. The camera itself has been made smaller and lighter by improving its equipment configuration. The purpose is to improve portability and ease of handling when taking pictures.

[0007]

[Means to solve the problem]

For this reason, the electronic still video camera of this invention optically captures the light image of the subject. An image is formed on an image sensor by a means, and an image signal output from the image sensor is transferred to a recording element. In an electronic still video camera that is configured to record The camera is equipped with a built-in rechargeable first battery that serves as a power source for the camera; A holder that is detachably attached to the main body is provided, and the first battery is connected to the holder. A configuration including a rechargeable second battery that can charge the battery by shall be.

[0008] Further, it is preferable that the second battery is configured to be freely attachable to and detachable from the holder. . Furthermore, the holder includes a playback device that plays back still images based on the recorded image signals. It is preferable to have a configuration with a device.

[0009]

[Effect]

In such a configuration, by attaching the holder to the camera body, the holder side A small battery can be charged from a large capacity battery. In such a configuration, when using the camera, the holder must be removed from the camera body and the cover removed. Take several shots using only the small battery on the camera side.

0010 The large capacity battery is constantly charged using, for example, an AC adapter. In such a configuration, the camera is equipped with only a small battery, so the camera The camera itself can be made smaller and lighter, making it convenient to carry and making it easier to take photos. It is also easy to handle when handling. In this case, carry a fully charged holder with you at home, etc., along with the camera, and Once the power of the small battery on the camera side is consumed, connect the holder to the camera body. This allows you to easily charge a large capacity battery to a small battery. Ru.

[0011] Also, prepare multiple holders and store each holder after the internal large-capacity battery is fully charged. It would be convenient if the small battery could be charged by using the following modules one after the other. . If the second battery is configured to be freely attachable to and detachable from the holder, multiple holders can be prepared. Even if you do not have to do this, you only need to prepare one holder for multiple large-capacity batteries.

0012 The holder is equipped with a playback device that plays back still images based on recorded image signals. configuration, there is no need to provide a playback device on the camera side, making the camera more compact. It can be made into a pact.

[0013]

【Example】

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. First, we will explain the main body structure of the still video camera according to the present invention based on Figures 1 to 3. I will explain. In these figures, an electronic still video camera 1 is used as an optical photographing means. The optical image signal of the subject obtained by the photographing lens 2 is captured by a built-in CCD, etc. A floppy disk (not shown) converts it into an electrical image signal using an element and uses it as a recording element. This is for analog recording to a disc. Images recorded on a floppy disk It also has a playback function, and has an image recording and playback function.

[0014] On the top surface of the main body 1A of the still video camera 1, an image can be displayed by pressing the button of the photographer. A release button 3 for starting recording is provided, and a position near the release button 3 is provided. The unit is equipped with a display liquid crystal section 4 and an operation section 5 for displaying various photographic information. And shooting conditions are set. In addition to the photographing lens 2, a finder lens 6 is provided on the front of the camera body 1A. , a strobe 7, etc. are provided.

[0015] On the back of the camera body 1A are a floppy disk insertion slot 12 and a viewfinder. 8, DC-IN terminal 9, video output terminal 10, remote control terminal 11, etc. are provided. There is. Next, based on FIG. 4, a shooting control system for the still video camera 1 having the above structure is explained. I will explain it with its effects.

[0016] In the figure, the light that has passed through the lens 2 passes through the aperture 32 and the optical filter 33. It enters the CD 34, is converted into an electrical signal, and is sent to the sample hold circuit 35 and signal processing. Signal processing such as gamma correction, Y/C separation, and white balance adjustment is carried out through circuit 36. It will be done. The processed signal is FM modulated in the modulation circuit 37 and then sent to the recording amplifier. 38 and a recording/reproducing head 39 magnetically record on the floppy disk F.

[0017] Here, the timing generation circuit 40 includes the CCD drive circuit 41, the signal processing circuit 36, Pulses necessary for the modulation circuit 37 and recording amplifier 38 are output. The aperture 32 is controlled by an aperture drive circuit 43 controlled by the main CPU 42. controlled. Further, the floppy disk F is connected to a spindle motor 44 and a server. The motor circuit 45 rotates at a constant speed of 360 revolutions per minute.

[0018] The main CPU 42 controls the entire system and supplies power to each part. The sub CPU 46 displays the LCD 64 and turns on various switches. is doing power. The distance measuring circuit 47 measures the distance to the subject using an infrared LED and a light receiving element such as a PSD. It is used to measure.

[0019] The photometry circuit 48 measures the brightness of the subject using a photodiode. The light control circuit 49 integrates the reflected light of the strobe light from the subject and determines the appropriate exposure. Notify the on-board CPU. As is well known, the strobe circuit 50 consists of a booster circuit and a capacitor. Charging and light emission are controlled by the main CPU 42.

[0020] The remote control signal receiving circuit 51 detects the modulated optical signal and converts it into a digital signal. and sends it to the main CPU 42. On the other hand, the playback structure records signals magnetically recorded on floppy disk F. It is electromagnetically converted by the re-head 39, amplified by the reproduction amplifier 52, and FM by the demodulation circuit 53. After demodulating and processing the signal in the signal processing circuit 54, the encoder circuit 55 converts the video into configured to output a signal.

[0021] The upper recording/reproducing head 39 is controlled by a head control circuit by the main CPU 42. It is possible to move to any track via 56. The entire camera 1 is powered by a battery 57 built into the camera body 1A, which will be described later, or by a DC-I Power is supplied from an AC adapter 58 connected to the N terminal 9. In this case, the power supply Main CPU 42, DC/DC converter 60 and 5V constant voltage via roll 59 Power is supplied to the pressure circuit 61.

[0022] Here, inside the camera body 1A mentioned above, there is a rechargeable first battery that serves as a power source for the camera 1. A small battery 57 as a battery is built-in. Also, the camera body 1A is attached to the camera body 1A. A holder 13 is provided which is detachably attached, and the holder 13 is provided with the small battery. 57, a large capacity battery (not shown) as a rechargeable second battery is provided. Built-in.

[0023] The holder 13 has a substantially rectangular shape with a substantially rectangular recess formed on one end surface. It is formed in the shape of That is, the holder 13 is attached to the box-shaped portion 1 as shown in FIGS. 3a, and a cylindrical portion 13b formed integrally projecting from one end surface of the box-shaped portion 13a. The large-capacity battery is installed inside the box-shaped portion 13a. Box-shaped part 13a One end of a connector 14 connected to a large-capacity battery is installed inside. this A terminal portion at the other end of the connector 14 projects into the cylindrical portion 13b. This hole The camera body 13 is located at the end (hereinafter referred to as left end). That is, the left end of the camera body 1A is connected to the cylinder of the holder 13. It can be inserted inside the shaped portion 13b. Then, the end surface of the left end of this camera body 1A is provided facing the terminal portion of the connector 15 built into the camera body 1A. The terminal part connects the left end of the camera body 1A to the inside of the cylindrical part 13b of the holder 13. It is electrically connected to the connector 14 on the holder 13 side when inserted into the holder 13 .

[0024] It should be noted that inside the open end of the cylindrical portion 13b of the holder 13, the open end face can be opened and closed. A cover member 16 is provided. This lid member 16 is formed into a substantially rectangular shape, One end thereof is rotatable via a hinge 17 on the inner surface of one of the open ends of the cylindrical part 13b. It is freely and always supported and elastically biased outward. Opening of the cylindrical part 13b A stopper 18 is fixedly attached to the inner surface of the mouth end opposite to the hinge 17, and the lid The free end of the member 16 is engaged with the stopper 18 and held in the closed state ( (See Figure 6). Then, insert the left end of the camera body 1A into the cylindrical portion 13b of the holder 13. When inserting it into the side, the lid member 16 is pushed by the left end of the camera body 1A. Open inward to allow this insertion. When the lid member 16 is fully inserted, The tubular portion 13b is in a state of being collapsed toward the inner surface side (see FIG. 7).

[0025] The DC-IN terminal 9 on the camera body 1A side is connected to the selector switch 6 as shown in FIG. 2 to the small battery 57, and the connector 15 on the camera body 1A side is disconnected. It is connected to a small battery 57 via a switching switch 62 . Therefore, the plug of the AC adapter 58 connected to the power supply to the DC-IN terminal 9 By inserting the battery and leaving it for a predetermined period of time, the small battery 57 can be charged. . Also, when the AC adapter 58 is connected to the camera 1 as described above, the holder 13 to the camera body 1A, and connect the connectors 14 and 15. As a result, the large capacity battery on the holder 13 side can also be charged.

[0026] Furthermore, when the AC adapter 58 is not connected to the camera 1, the holder 13 is By combining it with the camera body 1A and connecting the connector 14 and the connector 15, Therefore, the small battery 57 can be charged from the large capacity battery on the holder 13 side. In this configuration, when using the camera 1, the holder 13 must be removed from the camera body. Then, several shots are taken using only the small battery 57 on the camera 1 side.

[0027] As described above, the large capacity battery is charged using the AC adapter 58. Always do this. According to this configuration, the camera 1 is only equipped with the small battery 57. Therefore, the camera 1 itself can be made smaller and lighter, making it convenient to carry the camera 1. In addition, it is easy to handle when photographing.

[0028] In this case, the fully charged holder 13 is carried along with the camera 1 at home etc. However, once the power of the small battery 57 on the camera 1 side is consumed, the holder 13 is removed from the camera. By connecting to the main unit 1A of the battery, the small battery 57 can be charged from the large capacity battery. electricity can be done easily. In addition, multiple holders 13 were prepared and the internal large capacity battery was fully charged. It would be convenient if each holder 13 is used in turn to charge the small battery 57. be.

[0029] In addition, in the above embodiment, an example is shown in which a large capacity battery is built into the holder 13. However, as shown in FIG. It may be configured as follows. In this case, the holder 19 includes a connector for connecting to the camera 1 side and a battery. A connection part for mechanical connection and a connection terminal part for electrical connection. It is made to function as a charging connector provided.

[0030] According to the configuration of this embodiment, multiple large capacity holders 19 are not required. It is sufficient to prepare only one holder 19 for each battery 20. However, a charger for charging the large capacity battery 20 is required. Next, another embodiment of the present invention will be described based on FIGS. 9 to 11. In this embodiment, the holder 21 reproduces still images based on recorded image signals. A playback device is also provided.

[0031] The holder 21 has a box-shaped portion 21a and a box-shaped portion 2, similar to the holder of the previous embodiment. 1a, and a cylindrical part 21b integrally formed from one end surface of the box. A large capacity battery 22 is installed inside the shaped portion 21a. Inside the box-shaped part 21a, there is a large capacity bag. One end of the connector 23 connected to the battery 22 is installed inside, and the other end of the connector 23 is connected to the battery 22. The terminal portion at the end protrudes inside the cylindrical portion 21b.

[0032] A DC-IN terminal 24 and a video output terminal 25 are provided on one side end surface of the holder 21. A remote control terminal 26 is formed. Further, a recessed portion 28 is formed on the upper end surface of the holder 21. The recessed portion 28 is provided with switches (not shown) for operating the reproducing device. I'm being kicked. Moreover, the opening end of this recessed portion 28 can be opened by pressing. It is normally closed by a closing lid 27.

[0033] On the other hand, as shown in FIG. A battery 29, a large-capacity battery 22, a regeneration circuit 31, and the like are built-in. Said DC-I The N terminal 24 is connected to the connector 23 and the large capacity battery 22 via the changeover switch 29. connected to. This changeover switch 29 connects the DC-IN terminal 24 and the connector 23. , the connection between the connector 23 and the large capacity battery 22, and the DC-IN terminal. 24 and the connector 23 and the large capacity battery 22. It is now possible to

[0034] Also, the playback circuit 31 is connected to the connector 23 and to the video output terminal 25. Continued. On the other hand, the recording circuit 65 provided inside the camera 1 is connected to a small battery on the camera 1 side. The battery 30 is connected to the connector 66, and the connectors 66 and 23 are connected to each other. The recording circuit 65 and the reproducing circuit 31 are connected by a connection. In this configuration, when charging the small battery 30 on the camera 1 side, the host Connect the router 21 to the camera body 1A, connect the connectors 66 and 23, and switch the switch. The switch 29 is switched to the connection side between the connector 23 and the large capacity battery 22. , the small battery 30 is charged from the large capacity battery 22. In this case, DC-I N terminal 24 is not used.

[0035] Alternatively, the holder 21 can be connected to the camera body 1A as described above and connected to the connector 66. , 23, and connect the selector switch 29 to the DC-IN terminal and the connector 23 and large Connect the small battery 3 directly from the power supply by switching to the connection side with the capacity battery 22. Charge to 0. At this time, the large capacity battery 22 is also charged from the power source. When using the camera 1, remove the holder 21 from the camera body 1A, and Photographing is performed using only the battery 30.

[0036] As mentioned above, the large capacity battery 22 can be charged using an AC adapter. Do this in advance. Furthermore, during playback, the camera 1 and holder 21 are connected, and the selector switch 29 is set to D. Switch to the connection side between C-IN terminal 24, connector 23 and large capacity battery 22. and use the power supply directly.

[0037] According to this configuration, in addition to achieving the same effects as in the previous embodiment, there is no recycle on the holder 21 side. As a result of installing a playback device, there is no need to provide a playback device on the camera 1 side. , the camera 1 can be made more compact. In addition, as shown in FIG. 11, there is a configuration in which the AC adapter 67 is built into the holder 21 side. You may do so. In this case, an AC-IN terminal 68 is provided on the holder 21, and this is connected to the power source. You can connect directly to.

[0038] As shown in FIG. 12, the holder 21 can be attached to a waist belt 69 for carrying. When the camera 1 is not in use, set it in the holder 21 and charge it. If it is powered, it is convenient to carry the holder 21 and camera 1, and the camera It is convenient because the small battery 30 on the side of the camera 1 can be charged frequently. Each of the camera 1 and holders 13 and 21 is provided with a display such as a charging completion lamp. is preferable.

[0039] Although the present invention has been explained above with reference to specific embodiments, the present invention is not limited to this. The present invention is not limited to this invention by experts in the relevant technical field. Various changes and modifications may be made without departing from the scope of the attached utility model registration claims. It should be noted that this is possible. For example, in the above embodiment, a floppy disk F is used as the recording element. I explained about still video camera 1 which uses analog recording technology. , still video using other memory elements, such as digital recording in semiconductor memory. It can also be applied to cameras.

[0040]

[Effect of the idea]

As explained above, according to the present invention, an optical image of a subject is captured using an optical photographing means. The image is formed on an image sensor, and the image signal output from the image sensor is recorded on a recording element. In electronic still video cameras configured to It has a built-in rechargeable first battery that serves as a power source, and can be attached to and detached from the camera body. a rechargeable second battery in a freely attachable holder; Since the first battery is charged, the camera itself can be made smaller and lighter. This makes the camera convenient to carry and easy to handle when taking pictures.

[0041] Further, the second battery may be configured to be freely attachable to and detachable from the holder; In some cases, you can use holders for multiple large capacity batteries without having to prepare multiple holders. The advantage is that you only need to prepare one. Furthermore, the holder includes a playback device that plays back still images based on the recorded image signal. In this case, it is necessary to provide a playback device on the camera side. This has the advantage that the camera can be made more compact.

[Brief explanation of drawings]

[Fig. 1] A perspective view showing the main body structure and holder structure of an embodiment of an electronic still video camera according to the present invention.

[Figure 2] A perspective view showing the main body structure of the electronic still video camera same as above.

[Fig. 3] A perspective view showing the main body structure and holder structure of an embodiment of the electronic still video camera same as above.

[Figure 4] Diagram of the shooting control system of the electronic still video camera shown above

[Figure 5] Front sectional view seen from the direction of arrow A in Figure 3

[Figure 6] Side sectional view seen from the direction of arrow B in Figure 3

[Figure 7] Side sectional view seen from the direction of arrow B in Figure 3

[Figure 8] Perspective view of another embodiment

[Fig. 9] Perspective view of still another embodiment

[Figure 10] Schematic sectional view of the above embodiment

[Figure 11] Schematic cross-sectional view of the above embodiment

[Figure 12] Perspective view of another embodiment

[Explanation of symbols]

1 Electronic still video camera 1A main body 2 Photographic lens 13 Holder 19 Holder 20 Large capacity battery 21 Holder 22 Large capacity battery 31 Regeneration circuit 34 CCD 57 Small battery F floppy disk

Continuation of front page (72) Creator Masaaki Tsuchida 2970 Ishikawa-cho, Hachioji-shi, Tokyo Konica Co., Ltd. Inside the ceremony company

Claims (3)

[Scope of utility model registration request] 1. An electronic still video camera configured to form an optical image of a subject on an image sensor using an optical photographing means, and record an image signal output from the image sensor on a recording element, comprising: a camera body; A rechargeable first battery that serves as a power source for the camera is built into the camera body, and a holder is provided that is detachably attached to the camera body, and a rechargeable second battery that can be charged to the first battery is provided in the holder. An electronic still video camera characterized by being equipped with a battery. 2. The electronic still video camera according to claim 1, wherein the second battery is configured to be freely attachable to and detachable from the holder. 3. The electronic still video camera according to claim 1, wherein the holder is configured to include a playback device that plays back still images based on recorded image signals.