JPH0769563B2 - Video camera with still camera - Google Patents

Description

TECHNICAL FIELD The present invention relates to a video camera with a still camera, and more particularly to a movie video camera equipped with a still camera using, for example, a silver halide photographic film.

2. Description of the Related Art There has been a demand for recording a specific scene in a still picture while shooting with a television camera having a video tape recording function, that is, a video camera. conventionally,
For example, if I carry both a silver salt still camera and a video camera and there is a scene that I want to shoot while shooting with the video camera, I stopped shooting with the video camera and shot with the still camera. In such a situation, it is necessary to carry two devices around, and it is necessary to interrupt shooting with a video camera, and there is a risk of missing important shooting opportunities. There was a problem.

Therefore, in order to solve such a problem, the still camera and the video camera are combined into one device, and the still camera is operated to operate the still camera without interrupting the shooting with the video camera. A video camera would be required.

In such a video camera with a still camera, considering the convenience of shooting and carrying, the still camera section is also formed into a shape that is not so uneven relative to the overall shape of the video camera, and in a casing that is long in the vertical direction. What is accommodated is required.

Aims of the Invention In view of such demands, an object of the present invention is to provide a video camera with a still camera that is convenient to carry.

DISCLOSURE OF THE INVENTION According to the present invention, a vertically long casing having a substantially rectangular parallelepiped shape as a whole, and an imaging optical system for a still camera which is arranged in the vertical direction on the front surface of the casing so as to face the same field and have an opening. And an imaging optical system for a video camera, a still camera unit disposed inside the casing in the vicinity of the imaging optical system for a still camera for capturing an image of a field and recording the still image on a film, and a casing. The still camera unit is provided and has a video camera unit for capturing an image of a field and recording the moving image on a video tape. The still camera unit feeds a film to be loaded in a vertical direction.

In the present specification, the term “video camera with a still camera” means that the still camera unit is integrated into the video camera unit, both are separable, or if they are separable, each can be used as a single unit. Regardless of whether or not it is interpreted in a broad sense, it includes a photographing device having both a still camera function and a video camera function.

Description of Embodiments Embodiments of a video camera with a still camera according to the present invention will be described in detail with reference to the accompanying drawings.

Referring to FIG. 1, there is shown an embodiment in which the present invention is applied to a so-called 8 mm video camera, which basically has a casing 10 having a substantially rectangular parallelepiped shape as a whole, The function of the video camera and the function of the still camera are accommodated therein. A video camera uses a videotape 100 (Fig. 4) having a tape width of 8 mm as a video recording medium, captures a scene of a field, and records the moving image in the form of a video signal with audio on the videotape 100. It is a video camera. In the present embodiment, the still camera is a so-called 135 type silver salt still camera, which uses a 35 mm film 102 (FIG. 4) as a video recording medium, and a still image of the still image is formed on the silver salt film 102 as a latent image. Still camera to record as.

Two imaging lenses 14 and 16 are provided on a front surface 12 of the casing 10 which is substantially rectangular as a whole. Imaging lens
Reference numeral 14 constitutes an image pickup optical system of a video camera, and reference numeral 16 constitutes an image pickup optical system of a still camera. Near the image pickup lens 14 of the video camera, a strobe light emitter for still shooting is used.
18, an automatic distance measuring (AF) light emitting element 20, and an objective lens 24 of an optical viewfinder 22 (FIG. 3) are arranged as shown. Optical viewfinder 22 eyepiece or eyecup
42 is disposed on the rear surface of the casing 10. These two
The two taking lenses 14 and 16 are arranged so as to face the same field, and the objective lens 24 of the optical viewfinder 22 also faces the same field. As a result, the still camera function unit and the video camera function unit in this apparatus can photograph the same scene. It goes without saying that an electronic viewfinder may be used instead of the optical viewfinder 22.

One side surface of the casing 10, that is, the first side in this embodiment.
In the upper part of the left side surface in the figure, a microphone 58 for collecting sound from the scene is attached. this is,
Those having unidirectional sensitivity are advantageously used.

As shown in the drawing, a light receiving sensor 26 for automatic distance measurement is arranged near the image pickup lens 16 of the still camera. casing
Reference numeral 10 forms a housing 28, which includes a front surface 12 and is partially independent, and inside the housing 28, an imaging lens of a still camera is provided.
16, an imaging optical system including an aperture 104 and an optical shutter 106 (FIG. 4), an AF sensor 26, a film feeding mechanism 108, and an exposure control circuit 110 and a part of a focusing mechanism 112 (see FIG. 4).
Various mechanisms necessary for the image pickup of the still camera, such as the drawing), are provided. As a result, the captured subject image is recorded on the film 102.

As can be seen from FIG. 2, the housing 28 is opened forward at a slight angle with the hinge 30 as a pivot. I.e. housing 28
In the same figure, the lower end is connected to the casing 10 and the upper end is rotated away from the casing 10. The amount by which the housing 28 is opened forward by the movable arm 38 is limited to a predetermined angle. Film 10 by this opening
Two drop-in loading openings are formed.

Drop-in loading is described in, for example, Japanese Patent Laid-Open No. 58-68731.
It is described in. In this embodiment, with the housing 28 opened to the position shown in the figure, the film cartridge 36 is pulled out from the cartridge 36 to the cartridge chamber 37 of the housing 28 by a slight length as shown by an arrow 40. By inserting the leader 102a of the separated 135 type film 102 into the gap 44 formed between the lid 32a fixed to the side surface 32 of the casing 10 and the rear portion of the housing 28, respectively. This can be easily performed by accommodating the cartridge 36 in the cartridge chamber 37 and then securely closing the housing 28 to the original closed position.

As shown in the figure, a cassette housing 34 is opened in a part of the rectangular side surface 32 of the casing 10 as a whole. The cassette storage section 34 operates a switch button for attaching / detaching the 8 mm video tape cassette 46, that is, an eject button for instructing an automatic loading operation of the cassette 46, which is on the operation display section 114 (Fig. 4) of the apparatus. As a result, the motor drives it to move it vertically to the side surface 32 of the casing 10 to form an opening for loading the cassette 46. As shown in FIG. 2, when the storage portion 34 is projected from the side surface 32, the 8 mm video tape cassette 46 can be inserted into or removed from the storage portion 34. Cassette 46 is arrow 48
The cassette 46 is removably loaded by being inserted from the direction and moving the storage portion 34 to the original position.

On the side surface 32 of the casing 10, a shutter release button 50 of a still camera and a record button 52 of a video camera are arranged, for example, at the positions shown in the figure. The operator holds the device by supporting the casing 10 with one hand and holds the shutter release button 50 or the record button 52 with his finger.
To operate.

In FIG. 1, for example, a secondary battery is removably loaded as a power source of the present device at a position indicated by a dotted line 54 of the casing 10. The battery 54 is loaded by opening a cover of a storage portion (not shown) such as a side surface or an upper surface of the casing 10.

Referring to FIG. 4, there is shown an example of the internal configuration of the video camera with a still camera of the embodiment shown in FIG. The image pickup optical system of the video camera has an image pickup lens 14, and an optical path 14 from a subject incident from the image pickup lens 14 behind the image pickup lens 14.
A solid-state imaging device 118 such as a CCD (charge coupled device) that converts an optical image of a subject captured by the diaphragm 116 and the imaging lens 14 from an optical signal into a video signal is arranged on the 0.

The imaging lens 14 may have a fixed focus, but in the present embodiment, the focus position is controlled by the automatic focusing (AF) mechanism 112 by the distance measurement signal from the system control circuit 144. Aperture 116
Also, an automatic exposure adjustment (EE) function in which the exposure control circuit 110 adjusts to an appropriate exposure according to a photometric signal obtained from the system control circuit 144 is advantageously applied. Imaging device
The image pickup device 118 is driven by the image pickup circuit 120.
The video signal obtained by the above is sent to the video circuit 122 through the imaging circuit 120.

The image pickup circuit 120 clock-drives the image pickup device 118, amplifies a video signal output from the image pickup device 118, and performs necessary correction such as white balance adjustment, and a standard color television including a luminance signal, a color difference signal, and a synchronization signal. A composite video signal of the John format is formed. The composite video signal is input to the video circuit 122, and is subjected to pre-emphasis that emphasizes high frequency components, clamp that fixes it to a predetermined level, and FM modulation that converts it into a recording signal suitable for recording on the video tape 100. Input to mixer 126.

On the other hand, the sound captured by the microphone 58 is converted into an audio signal by the audio circuit 124, and the audio circuit 124 performs amplification, automatic gain adjustment, FM modulation for converting into a recording signal suitable for recording on the video tape 100, and the like. Input to mixer 126.

The recording signals of the composite video signal and the audio signal are mixed by the mixer 126, amplified by the recording circuit 128, and then 1
It is supplied to the pair of magnetic heads 130a and 130b. The magnetic heads 130a and 130b are carried by the head cylinder 200 (FIG. 3) so that the azimuth angles are different from each other, and are steadily rotated at a predetermined rotation speed by the head cylinder drive mechanism 132. The video tape 100 is held by a capstan 136 driven by a tape feeding circuit 134 and a pinch roller 138, and runs in a predetermined direction. Thus, the magnetic head 130a and
The composite video signal and audio signal supplied to 130b are recorded on the video tape 100.

The optical system of the still camera has an image pickup lens 16, and an optical path 142 from the subject incident from the image pickup lens 16 is behind it.
The film 10 through the aperture 104 and the optical shutter 106.
2 is placed. The imaging lens 16 may have a fixed focus, but in this embodiment, the focus position is controlled by the focusing mechanism 112. The diaphragm 104 and the optical shutter 106 are also advantageously applied with the automatic exposure adjustment function of the exposure control circuit 110.

As shown by the dotted line in FIG. 1, the still camera mechanism 76 is loaded with the patrone 36 above it, and the film 102 supplied from the patrone 36 is taken up by the take-up roll 154 disposed below the still camera mechanism 76. Being rolled up. Therefore, as shown in FIG. 1, the film 102 is supplied in the longitudinal direction, that is, in the longitudinal direction of the front surface 12 of the casing 10. The film feeding mechanism 1 that responds to an instruction signal from the system control circuit 144 for loading, winding and rewinding the film 102.
Automatically performed by 08.

Since the film 102 is thus supplied in the vertical direction, the film 102 is supplied in the vertical direction of the field to be photographed.
Therefore, since the light receiving surface of the film 102 is horizontally long with respect to the field to be photographed, the still camera mechanism 76 is configured to photograph in half size in this embodiment.

The system control circuit 144 is a control circuit that controls each unit of the present apparatus, and controls the tape feeding circuit 134 in response to the operation of the recording button 52 of the operation display unit 114, and controls the feeding of the video tape 100, for example. To do. Further, for example, in response to the operation of the shutter release button 50, the exposure control circuit 110, the focusing mechanism 112 and the strobe light emission circuit 146 are controlled.

The apparatus is provided with an automatic exposure (EE) sensor 148, which measures the brightness of the field and provides the system control circuit 144 with data indicative of the measurement. The system control circuit 144 is
The exposure control circuit 110 and the stroboscopic light emission circuit 146 are controlled according to the brightness data of the object field input from the EE sensor 148. In response to this, the exposure control circuit 110 adjusts the aperture of the aperture 116 of the video camera and controls the aperture of the aperture 104 of the still camera and the opening time of the shutter 106. The strobe light emission circuit 146 controls the light emission time of the strobe light emitter 18.

The automatic focusing (AF) light emitting element 20 is connected to the system control circuit 144 via the AF light emitting circuit 150. In response to an instruction from the system control circuit 144, the AF light emitting circuit 150 drives the AF light emitting element 20 to emit, for example, infrared light toward the subject, and a portion of the infrared light reflected from the subject is detected by the AF sensor 26. The distance between the device and the subject is automatically measured by the detection. AF data from the AF sensor 26 to the system control circuit 14
Input to 4.

This distance measurement is based on the principle of the triangulation method, but in this device, as can be seen from FIG. 1, the AF light emitting element 20 and the AF sensor 26
Since the distance between and, that is, the base line has a sufficient length, accurate distance measurement can be performed. The system control circuit 144 controls the focusing mechanism 112 according to the data of the distance between the device and the subject, which is input from the AF sensor 26, and the focus of the two imaging lenses 14 and 16 is adjusted by this.

The device is also provided with a white balance sensor 152. This detects the color component of the incident light from the object field and supplies the data to the system control circuit 144. The system control circuit 144 sets the parameters of the white balance adjustment circuit of the image pickup circuit 120 based on this data.

The operation display unit 114 gives a manual instruction to the device,
In addition, it is a functional part that displays the state of the device to the operator visually or audibly. Not only the shutter release button 50 and the record button 52, but also automatic / manual switching of focus, exposure and white balance adjustment, video camera fader, wiper, etc. And setting buttons for inserting titles, operation buttons for recording, rewinding, and reviewing the videotape recording mechanism 74 (Fig. 3), flash camera operation buttons for still cameras, operation mode display, tape counter, tape end warning display, film It has various operation buttons and display elements such as a counter and a power consumption warning display.

Referring now to FIG. 3, there is shown a schematic view of the inside of the apparatus with the casing 10 removed in the state shown in FIG. Inside the casing 28 of the casing 10, the functional unit 76 of the still camera is mainly mounted. For example, a lens unit 60 in which an image pickup optical system including an image pickup lens 16 of a still camera and an AF sensor 26 are integrally incorporated.
And an electronic circuit board 62 on which parts related to the still camera function such as an exposure control circuit 110, a focusing mechanism 112, an automatic photometry and distance measurement circuit, an AF light emission circuit 150, and a flash light emission circuit 146 are mounted.
And 64 are arranged as shown.

Imaging optical system unit including the imaging lens 14 of the video camera
Behind 66, the solid-state imaging device 118 has an electronic circuit board 68.
And is arranged as shown in the drawing, and the exposure control circuit 110, focusing mechanism 112, automatic photometry and distance measuring circuit, and other parts related to the video camera function are also mounted on the same.
Further behind it, electronic circuit boards 70 and 72 on which a video circuit 120 and an audio circuit 124 are mounted are arranged, and a battery 54 is housed on the side thereof.

As shown in the drawing, the video tape cassette housing 34, the magnetic head cylinder 200, the capstan 136 and the pinch roller 1
The video tape recording mechanism 74 including the 38 and the like is disposed behind the still camera unit 76, and on the side thereof (obliquely rearward in FIG. 3).
A head cylinder drive mechanism including a cylinder motor, etc.
132 and an electronic circuit board (not shown) on which the mixer 126, the recording circuit 128, the tape feeding circuit 134, the system control circuit 144, etc. are mounted. The optical viewfinder 22 is arranged between the electronic circuit board 70 and the video tape recording mechanism 74 as shown.

Thus, in the embodiment of the present invention, the front surface 12 of the casing 10 is
Image pickup lenses 14 and 16 are opened in the camera, a still camera function unit 76 is arranged near the image pickup lens 16 of the still camera, and circuits and mechanisms necessary for shooting by the video camera are arranged behind the image pickup lens 14 of the video camera. The video tape recording mechanism and its related circuits are arranged behind the still camera unit 76. Therefore, it is possible to shoot a moving image with a video camera and a still image with a still camera at the same time and without any trouble.

Further, since the film 102 of the still camera unit 76 is configured to be supplied in the vertical direction, the horizontal length of the still camera unit 76 should be made smaller than that of the film 102 supplied in the horizontal direction. And still camera part like this
Since the photographing optical system of the video camera unit is arranged in the vertical direction with respect to the 76, the casing can be vertically long.
By making the casing vertically long in this way, it is convenient to handle during shooting and transportation.

Also, since the film 102 of the still camera unit 76 is supplied in the vertical direction, the orientation of the film 102 with respect to the field is different from that of a normal still camera, but the still camera unit 76 is configured to shoot in half size. By
The light-receiving surface of the film can be horizontally long with respect to the object scene, as in a normal still camera.

In addition, attaching and detaching the video tape cassette 46 and the film 102
The drop-in loading of the casing is 10
Can be done from the side 32 of. Especially the film 102
The drop-in loading of the still camera body
Since the opening 28 of the cartridge chamber 37 is exposed by rotating the casing 28 with respect to the casing 10, the lid 32a of the casing 28 is formed.
Casing a space to open the rear of the housing 28
There is no need to set it in advance in 10. Therefore, the front and rear dimensions of the casing can be reduced and the casing can be made compact.

In each of the above-described embodiments, the still camera function section uses a silver salt film, but it may be an instant still picture method or an electronic still camera method for recording a video signal on a magnetic disk.

Effect According to the present invention, the still camera unit and the video camera unit are housed in the casing, and the same object scene can be photographed by the still camera unit and the video camera unit.

Moreover, since the film of the still camera unit is configured to be supplied in the vertical direction, the casing can be made vertically long, and a video camera with a still camera having good operability is provided.

[Brief description of drawings]

FIG. 1 is a perspective view showing an appearance of an embodiment of a video camera with a still camera according to the present invention, and FIG. 2 is an appearance perspective view for explaining a film and cassette loading state of the embodiment shown in FIG. FIG. 3 is a perspective view showing the outline of the internal structure of the camera of FIG. 1, and FIG. 4 is a functional block diagram showing an example of the internal structure of the camera of FIG. Description of main part symbols 10 …… Casing 12 …… Front face 14,16 …… Imaging lens 18 …… Strobe light emitter 20 …… AF light emitting element 22 …… Optical viewfinder 26 …… AF sensor 28 …… Housing 32 ...... Side 32a ...... Lid 34 ...... Cassette storage 36 ...... Patrone 37 ...... Patrone chamber 50 ...... Shutter release button 52 ...... Recording button 58 ...... Microphone 74 ...... Video tape recording mechanism 76 ...... Still camera Functional part 102 …… Film 154 …… Winding roll

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP-A-63-77040 (JP, A) Actually open 57-119969 (JP, U) Actually open 61-116330 (JP, U) Actually open 61- 49330 (JP, U) Actually opened 62-60931 (JP, U)

Claims (6)

[Claims] 1. A vertically long casing having a substantially rectangular parallelepiped shape as a whole, and an imaging optical system for a still camera and a video camera, which are arranged in a vertical direction on the front surface of the casing so as to face the same field and have openings. Image pickup optical system, a still camera unit disposed inside the casing near the image pickup optical system for a still camera, for photographing the field and recording a still image thereof on a film, and an inside of the casing And a video camera unit for capturing the object scene and recording the moving image on a video tape, wherein the still camera optical system and the still camera unit are provided in a part including the casing. A still camera housing for accommodating, wherein a still camera housing forming a part of the casing is disposed, wherein the still camera housing stores the film in the still camera. A casing for accommodating and accommodating the casing in the lateral direction, and the still camera unit feeds the film loaded in the casing in the vertical direction of the casing, and A video camera with a still camera, wherein the still image is recorded on the film at a screen size that is horizontally long in a vertical direction. 2. The video camera with a still camera according to claim 1, wherein the video camera section is disposed behind the video camera imaging optical system, and the field is imaged by the video camera section. The casing includes a video circuit unit that forms a video signal representing a moving image, and a video tape recording unit that is disposed inside the casing behind the still camera unit and that records the video signal on a video tape. A video camera with a still camera, characterized in that an opening for loading a video tape cassette into the video tape recording section is provided on one side surface. 3. The video camera with a still camera according to claim 1 or 2, wherein the still camera casing is a lid portion that covers the opening, and a part of the casing. A still camera, and a connecting portion that connects to a part of the casing excluding the lid portion, the housing portion has an opening for loading the film, the still camera A part of the casing for the still camera is connected to the casing so as to be rotatable with respect to the casing except the lid, and the casing for the still camera is rotated to rotate the casing for the still camera. A video camera with a still camera, characterized in that the opening is exposed and the film is loaded into the accommodation portion by drop-in loading. 4. A video camera with a still camera according to any one of claims 1 to 3,
A video camera with a still camera, wherein the storage unit stores a 35 mm film, and the still camera unit shoots the still image in a horizontally long half size on the film. 5. A video camera with a still camera according to any one of claims 2 to 4,
A video camera with a still camera, wherein the video camera unit comprises an 8 mm video camera. 6. A video camera with a still camera according to any one of claims 1 to 5,
A video camera with a still camera, wherein a viewfinder facing the object scene is arranged in the casing.