JPS63250284A - Video camera equipped with still camera - Google Patents

Abstract

PURPOSE:To execute various kinds of indications and to properly execute the photographing of a still and a video by providing an indication means for indicating various kinds of states including the quantity of non-photographed film loaded in a still camera part and video tape loaded in a video camera part. CONSTITUTION:A switch for setting the various kinds of states of a main device and the indication part for indicating the various kinds of state are provided on an operation indication part 100. And the indication part for indicating the various kinds of states of the main device is provided on the indication part 200. Namely since the remaining quantity of the film 31 of a still camera part 4 and the remaining quantity of the video tape 22 of the video camera part 3 are indicated, an operator can easily know the remaining quantity where photographing can be possible in the midst of photographing, so that a planned photographing can be executed by preventing that the film 31 or the video tape 22 is suddenly terminated in the midst of photographing. Moreover, the state that troubles occur in photographing, for example, the lowering of the capacity of a battery and the non-load of the film 31 or a cassette 84, etc., can be previously estimated and the proper and useful photographing of the video and the still can be executed.

Description

DETAILED DESCRIPTION OF THE INVENTION Technical Field The present invention relates to a video camera with a still camera, and more specifically, to a still camera that records still images on a silver halide photographic film, and a video camera that records moving images on a videotape. This invention relates to a video camera with a still camera that has both camera functions.

BACKGROUND OF THE INVENTION While filming with a television camera, ie, a video camera, that has a videotape recording function, there has been a desire to record a particular scene as a still photograph. In the past, for example, people carried both a silver halide still camera and a video camera.
If there was a scene that I wanted to capture with a still camera while shooting with a video camera, I would stop shooting with the video camera and shoot with the still camera. Therefore, even if shooting with a video camera is interrupted due to shooting with a still camera, and it is desired to shoot the same scene with both a video camera and a still camera, it is only possible to shoot with one camera. Therefore, important photo opportunities were missed, and two devices had to be carried around at all times, making them inconvenient to carry.

Therefore, in order to solve this problem, a still camera that combines a still camera and a video camera into one device and allows you to operate the still camera and take still pictures without interrupting the video camera shooting. A video camera is required.

In such a video camera with a still camera, knowing the remaining amount of film loaded in the still camera section and video cassette loaded in the video camera section is important in order to systematically photograph all the subjects to be photographed. is necessary. It is also desirable to display the remaining capacity of the power source and other conditions that may impede photography.

OBJECTS In view of these demands, it is an object of the present invention to provide a video camera with a still camera that can perform various types of display while taking still and video images.

DISCLOSURE OF THE INVENTION According to the present invention, there is provided a still camera having a still camera unit that images a scene and records a still image thereof, and a video camera unit that images a scene and records the moving image on a videotape. A video camera with a camera has display means for displaying various statuses of the still camera section and the video camera section, including the amount of film loaded in the still camera section and the amount of unrecorded videotape loaded in the video camera section. be.

In addition, in this specification, the term "video camera with still camera" means a still camera part and a video camera part in one.
The still camera section and the video camera section are each built into an independent casing, or if the two casings are built into separate casings, the two casings can be separated. or, if they are separable, it shall be interpreted in a broad sense to include photographing devices that have both a still camera function and a video camera function, regardless of whether or not they can be used as a single unit.

DETAILED DESCRIPTION OF THE INVENTION Next, embodiments of a video camera with still camera according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 shows a schematic configuration diagram of an embodiment of a video camera with still camera according to the present invention, and FIG. 2 shows an overview of the camera shown in FIG. 1.

As shown in these figures, the video camera with still camera of this embodiment includes both a video camera section 3 and a still camera section 4 in a main body 2.

The video camera unit 3 uses an 8mm cassette videotape as a video recording medium, and has a movie shooting function that captures the image of the subject incident from the lens and records the moving image on the videotape in the form of a video signal. have

In this embodiment, the still camera section 4 has a 135-inch silver-salt still camera function that uses a so-called +35-inch silver-salt film as a video recording medium. The still camera section 4 may include a 110-inch silver halide still camera that uses a 110-inch cartridge film as a video recording medium.

As shown in FIG. 2, in this embodiment, a video camera section 3 and a still camera are installed in a main body 2, which is a single casing in the form of a substantially book-shaped rectangular parallelepiped whose upper and lower surfaces are wider than other surfaces. Section 4 is stored. A cassette storage section 80 is provided on the top surface of the main body, and when storing a cassette, a cassette storage lid 82 opens diagonally upward and a video cassette 84 is stored from the opening.

On the front of the main body 2 is the master lens 2 of the still camera section 4.
8. An objective lens 72 of an optical viewfinder 70 common to the still camera section and the video camera section, an AF (autofocus) sensor 57, an EE (auto iris) sensor 58, a master lens 5 of the video camera section 3, and a strobe 55 are provided. ing. Furthermore, the microphone 13 of the video camera unit 3 is attached to one side of the main body 2, and the eyepiece lens 74 of the optical viewfinder 70 and the eyecup A shirt release button 42.78 for the still camera section 4 is provided on the upper surface of the main body 2 near the rear surface. Video camera section record button 27
, a strobe 0N10FF button 44, and other operation buttons 45, 46, and 47 are provided.

Further, as shown by the dotted line in FIG. 2, a 135-inch silver halide film 31 is housed behind the master lens 28 of the main body 2. The loading of this silver halide film 31 is carried out, for example, on the main body 2.
An opening (not shown) is formed at the upper surface of the film storage compartment, indicated by a dotted line in the same figure, by tilting the front lid part of the camera, and a 135-inch silver halide film 3 is inserted through this opening.
1 is loaded.

The imaging optical system of the video camera section 3 has a master lens 5 attached to the front surface of the main body 2, and an optical image of a subject captured by the master lens 5 is transmitted through an aperture 80 behind the master lens 5. A COD (charge coupled device) 6 that converts a signal into a video signal is arranged. GO
The video signal obtained by DB is sent to an image processing circuit.

As shown in the figure, the image processing circuit includes an amplifier 7 that amplifies the video signal from the can 6, and an amplifier 7 that emphasizes the high frequency components of the signal sent from the amplifier 7 in order to improve the S/N ratio of the reproduced signal. a pre-emphasis circuit 8, which fixes the waveform of the signal sent from the pre-emphasis circuit 8 to a constant level, and a clamp circuit 9, which fixes the relationship between the video signal waveform and the carrier frequency at the FM modulator IO. , an FM modulator 10 that converts the video signal output from the clamp circuit 8 into a recording signal to be recorded on the magnetic tape 22;
It is comprised of an HPF (high pass filter) 11 that removes a low frequency conversion color signal (not shown) and a frequency band of an audio signal, which will be described later, from the output signal of the FM modulator 10.

The output signal from HPF 11 is input to mixer 12 for multiplexing the audio signals. Note that the pre-emphasis circuit 8 and the clamp circuit 8 may be those used in a recording circuit of a well-known video tape recorder.

Furthermore, the sound captured by the microphone 13 attached to the outside of the main body 2 is converted into an audio signal by the microcapsule 14. The audio signal from the microcapsule 14 is sent to an audio signal recording circuit.

As shown in the figure, the audio signal recording circuit includes an amplifier 15 that amplifies the audio signal from the microcapsule 14. The output from the amplifier 15 is input to an AGC (auto gain control) circuit 17. AGC circuit 1
7 automatically adjusts the input level of the audio signal when it does not reach a predetermined value. AGC circuit 17
The output from the FM modulator 18 is input to the FM modulator 18.

The FM modulator 18 converts the audio signal from the AGC circuit 17 into a recording signal to be recorded on the magnetic tape 22. BPF(
The bandpass filter 19 passes only signals between the frequency bands of the frequency modulation signal from the FM converter 18 and the low-pass conversion color signal.

These video and audio recording signals are mixed in a mixer 12, sent via a recording amplifier 20 to magnetic disks 21a and 21b having different azimuth angles, and recorded on a magnetic tape 22 by magnetic heads 21a and 21b. recorded. The magnetic tape 22 is pulled out from the video cassette 84 stored in the cassette storage section 80,
The tape is guided by tape guides 51 and 51, held between the capstan 24 and the pinch roller 25, and run in a predetermined direction. The capstan 24 is driven at a constant speed by the tape drive circuit 23.

The video camera system controller 26 controls the lens moving unit based on command signals from the recording button 27, other operation buttons 45.4B, 47, and an operation display unit 100 (described later), and data from the AF sensor 57 and EE sensor 58. 62, a predetermined control command signal is sent to the aperture control section 64, tape drive circuit 23, head drive circuit 50, and other parts of the video camera section 3.

The optical system of the still camera section 4 has a master lens 28 attached to the front surface of the main body 2. master lens 28
A roll film 31 is placed behind the master lens 28 in the optical path of the subject entering the camera via an aperture 36 and a shutter 30 .

In this embodiment, the roll film 31 is a 135-type silver halide film, and the 0-roll upper sprocket 38, which is supplied from the supply reel 33 and wound onto the take-up spool 32 by a fixed amount by the 1-roll upper sprocket 38, is used for film winding. It is driven by a drive section 39.

The still camera system controller 41 is.

Based on command signals from the shirt release button 42, strobe 0N10FF button 44, and other operation buttons 45, 48, and 47, and data from the AF sensor 57 and EE sensor 58, the shutter drive section 34, film winding drive section 39, lens moving section 54, aperture control section 40,
and sends a predetermined control command signal to the strobe controller 56.

The AF sensor 57 and the EE sensor 58 are respectively connected to the main body 2.
It is exposed from the The AF sensor 57 measures the distance between the device and the subject, and the EE sensor 58 measures the brightness of the subject, and outputs the measured data to the video camera system controller 26 and still camera system controller 41, respectively.

The video camera system controller 26c outputs a command signal to the lens moving unit 82 according to the data on the distance between the device composed of the AF sensor 57 and the subject, and the lens moving unit 62 uses this to position the master lens 5. Make adjustments.

Further, the video camera system controller 26 outputs a command signal to the aperture control section 64 in accordance with the data on the brightness of the subject input from the EE sensor 58. The aperture control unit 64 thereby adjusts the aperture amount of the aperture BO.

Similarly, the still camera system controller 41 is
Outputs a command signal to the lens moving unit 54 according to data on the distance between the device constituted by the F sensor 57 and the subject,
The lens moving unit 54 thereby adjusts the position of the master lens 28 , and the still camera system controller 41 sends a command signal to the aperture control unit 40 according to the subject brightness data input from the EE sensor 58 . Output. The aperture control unit 40 thereby adjusts the opening amount of the aperture 3B and controls the opening time of the shutter 30. The still camera system controller 41 also controls the strobe control unit 5 based on command signals from the strobe 0N10FF button 44 and data from the EE sensor 58.
A command signal is output to 6. The strobe control unit 5B controls the light emission of the strobe 55 based on a command signal from the still camera system controller 41.

The optical viewfinder 70 includes an objective lens 72, an eyepiece lens 74, and a reticle 76 disposed in a lens barrel, and is used to confirm the field of view when photographing with the video camera section 3 and still camera section 4.

For example, a bright frame is displayed on the reticle 76 of the optical viewfinder 70 to define the range of the field to be photographed by the video camera section 3 and the still camera section 4.

Further, within the optical viewfinder 70, a shooting date and a set title, which will be described later, are displayed.

On the rear surface of the main body 2, there is an operation display section 10 as shown in FIG.
0 and a display section 200 are provided.

The operation display section 100 is provided with switches for setting various states of the apparatus and a display section for displaying various states. The focus switch 102 switches the focal length (focus) adjustment between manual and automatic.

In the figure, it is set to auto. When the focus switch 102 is set to manual, the pushbutton auto button 104 performs autofocus only when pressed by the operator, and becomes a fixed focus when not pressed.

The white balance switch 10B is for setting the white balance, and depending on the brightness of the subject,
Set to indoor or auto. In the figure, the setting is indoors.

The iris dial 108 sets the iris (aperture) to automatic or manual, and in the case of manual, is used for adjusting the iris.

Sensitivity switch 110 sets the sensitivity to high level or normal. In the figure, it is set to high level.

The shutter speed dial 112 is connected to the still camera unit 4
Set the shutter speed.

Title setting button 1145 Date and time setting button 11
8 and 118 are used to set the title, date and time of the content to be photographed, respectively. By pressing either of the two protrusions while pressing each of these buttons, the title, date, or time is set. After completing one setting, click the Next button to move on to the next setting! 22 is pressed.

The power button 120 is used to turn on and off the power of this device.

The display unit 200 is provided with a display unit that displays various statuses of the device. A counter 202 indicates the position and remaining amount of the videotape, and a remaining film amount display section 204 displays the remaining amount of the film 31 loaded in the still camera section 4. The recording display section 20B displays whether or not this device is currently recording, and is lit during recording.

The tape running direction display section 208 displays the running direction of the video tape 22 of the video camera section 3. The insufficient light amount display section 210 lights up when the subject is dark and difficult to photograph, and displays the insufficient amount of light. The charge-up display section 212 indicates that the strobe 55 has been charged with the amount of electricity necessary to emit light, and lights up when charging is completed.

The battery warning display section 214 is lit when the battery capacity has decreased. Cassette loading warning display section 218
and film loading warning display section 218 are lit as a warning when video cassette 84 and film 31 are not loaded, respectively.

The operation of the video camera with still camera as described above will be explained.

First, the operation of shooting a movie will be explained.

When the operator looks at the optical viewfinder 70, confirms the subject, and presses the record button 27, the video camera system controller 26 activates the AF sensor 57 and the EE sensor 5.
According to the data from 8, a predetermined command signal is output to the lens moving section B2 and the diaphragm control section 84 to adjust the position of the master lens 5 and set the aperture amount of the diaphragm 80. The video camera system controller 26 also sends predetermined control command signals to the tape drive circuit 23 and head drive circuit 50, and the tape drive circuit 23 drives the capstan 24 to cause the magnetic tape 22 to run. Further, the head drive circuit 50 drives the head.

As a result, the video signal captured by the CCD t3 is converted into a recording signal by the FM modulator 10 via the amplifier 7, pre-emphasis circuit 8, and clamp circuit 9, and )!
It is input to mixer 12 through PFII. On the other hand, the audio signal obtained by the microcapsule 14 of the microphone 13 is transmitted to the FM via the amplifier 15 and the AGO circuit 17.
The signal is input to the modulator 18, converted into a recording signal by the FM modulator 18, passed through the BPF 19, and input to the mixer 12. After the video signal and audio signal are mixed in the mixer 12, they are passed through the recording amplifier 20 to magnetic helads 21a, 21.
b, and recorded on the magnetic tape 22.

On the other hand, when performing still photography using a strobe, the operator first presses the strobe II) N10FF button 44. When the strobe 0N10FF button 44 is pressed, the still camera system controller 41 sends a command signal to the strobe controller 56. The strobe control unit 56 thereby causes the strobe 55 to protrude from the main body 2 and is in a state where it can emit strobe light. The main capacitor (not shown) of the strobe controller 5B is charged in advance and has accumulated capacity capable of emitting light.

Next, when the operator presses the shutter button 42, the still camera system controller 41 moves the lens moving unit 5 according to the data from the AF sensor 57 and the EE sensor 58.
4 and the aperture control unit 40 to adjust the position of the master lens 2 and the aperture control unit 40.
The opening amount and the opening time of the shutter 30 are set, and the shutter 30 is opened and closed. At the same time, the strobe controller 5
The strobe controller 5B outputs a command signal to the strobe controller 5B, discharges the charge accumulated in the main capacitor, and causes the strobe 55 to emit light.

After opening and closing the shutter 30, a control command signal is output from the still camera system controller 41 to the film winding drive section 39, and the film winding drive section 39 thereby rotates the sprocket 38. sprocket 3
8, the roll film 31 is wound up.

When the roll film 31 is wound up by one frame, a winding detection circuit (not shown) detects the completion of winding the film and sends a signal thereof to the still camera system controller 41. When the still camera system controller 41 receives a winding completion signal from the winding detection circuit, it sends a command signal to the strobe control section 56, and the strobe control section 56 starts charging the main capacitor from the power source. The completion of charging is notified to the operator by lighting of the charge-up display section 212.

After the main capacitor of the strobe controller 5B is fully charged, when the operator presses the shutter button 42 again, the adjustment of the position δ of the master lens 28, the opening amount of the diaphragm 3B, and the opening time of the shutter 30 are performed in the same way as described above. settings are made,
The shutter 30 is opened and closed. At the same time, strobe 55
is emitted.

According to this embodiment, since the video camera section 3 and the still camera section 4 are arranged in the main body 2 constituted by one housing, one device can perform both movie shooting and still shooting. It can be performed. Moreover, both can be photographed by operating the REG button 27 and shutter button 42 provided on the main body 2, and since these REC button 27 and shutter button 42 are provided close to each other, the operator allows easy operations for shooting both movies and stills.

In addition, since the remaining amount of film 31 in the still camera section 4 and the remaining amount of video tape 22 in the video camera section 3 are displayed, the operator can easily know the remaining amount of film that can be taken during shooting. It is possible to prevent the film 31 or the videotape 22 from suddenly running out during shooting, and to perform planned shooting.

Furthermore, since an operation display section 100 and a display section 200 are provided for displaying and setting various other conditions y5, situations that may impede photography, such as a decrease in the battery capacity or the unloading of the film 31 or the cassette 84, can occur. It is possible to predict the situation in advance, and to shoot appropriate and efficient videos and stills.

Further, although not shown, the video camera section 3 and the still camera section 4 may be housed in separate housings. In this case, the housing housing the video camera unit 3 and the housing housing the still camera unit 4 are designed so that the imaging optical systems of the video camera unit 3 and the still camera unit 4 face the same direction of the subject. will be installed on the That is, the master lenses 5 and 28 are arranged so as to face in the same direction. In this case, the operation display unit 100 and the display unit 200 may be provided only in either the housing housing the video camera unit 3 or the housing housing the still camera unit 4.

A casing that houses the video camera section 3 and a still camera section 4
It may be made detachable from the casing that houses it, and can be used independently when detached. In this case, the operation display section 100 and the display section 200 correspond to the video camera section 3 and the still camera section 4. The portions may be provided in the housing housing the video camera section 3 and the housing housing the still camera cover 4, respectively.

Further, in the above-described embodiment, the still camera section 4 uses a silver halide film, but it may also be of an instant photography type or an electronic still camera type that records video signals on a magnetic disk.

According to the present invention, display means is provided for displaying various types of information including the remaining amount of film and videotape, so that video and still photography can be performed appropriately.

[Brief explanation of drawings]

FIG. 1 is a schematic configuration diagram of an embodiment of a video camera with still camera according to the present invention, FIG. 2 is a perspective view showing an overview of the device in FIG. 1, and FIG. 3 is a rear view of the device in FIG. 2. be. Main part code description 2009 main body 300. Video camera section 400. Still camera section 22, Magnetic tape 213, Video camera system controller 27, Record button 31, Roll film 41, Still camera system controller 42, Shutter button 100, Operation display Section 200 , Display section 202 , Counter

Claims (1)

[Claims] 1. A still having a still camera unit that images a subject and records a still image thereof, and a video camera unit that images the subject and records the moving image on a videotape. In the video camera with a camera, the still camera unit and the video camera unit include an unrecorded amount of film loaded in the still camera unit and a videotape loaded in the video camera unit. A video camera with a still camera, characterized in that the video camera has a display means for displaying various states of the camera. 2. The video camera with a still camera according to claim 1, wherein the display means includes a display section for a counter, white balance, recording mode, and tape running direction of the video camera section. Video camera with still camera. 3. The video camera with a still camera according to claim 1, wherein the display means includes a display section for displaying remaining battery capacity. 4. In the video camera with a still camera according to any one of claims 1 to 3, the display means is configured to display a display unit when an abnormality occurs in any of various states of the still camera section and the video camera section. 1. A video camera equipped with a still camera, characterized in that it has a warning display section that displays a warning display section to display a warning display section when the above occurs. 5. A video camera with a still camera according to any one of claims 1 to 4, wherein the video camera section and the still camera section are housed in the same housing, and the video camera section and the still camera section are housed in the same housing. A video camera with a still camera, characterized in that an imaging optical system of a camera unit is arranged substantially horizontally during shooting. 6. A video camera with a still camera according to any one of claims 1 to 4, wherein the video camera section and the still camera section are housed in independent housings, and the video camera section is The first housing housing the still camera unit and the second housing housing the still camera unit are attached so that the imaging optical systems of the video camera unit and the still camera unit face the same direction of the subject. A video camera with a still camera. 7. In the video camera with a still camera as set forth in claim 6, the second housing housing the still camera unit is removable from the first housing housing the video camera unit. A video camera with a still camera.