JPS63261333A - Video camera equipped with still camera - Google Patents

Abstract

PURPOSE:To make a whole camera device compact by moving a cover member against a cover part main body and turning the cover part main body so as to expose an aperture. CONSTITUTION:By pushing the projecting part 90 of the cover member 84 in a direction shown by an arrow 92a so as to turn the cover member 84, at the time of loading a film, and a semicircular circumference part is arranged to turn to the rear part of an enclosure 28. After that, by turning the cover part main body 80 in a direction shown by an arrow 82a, a cartridge room 37 is exposed and the aperture 44 is formed. When the cover part main body 80 is turned in the direction shown by an arrow 82a, the rear plate 94 is turned in the same direction with the turning of the cover main body 80 and the rear surface of the enclosure 28 is opened. After the cover part 86 and the rear plate are opened thus to load the film 102, the cover part main body 80 is turned in a direction shown by an arrow 82b and the projection 90 is pushed in a direction shown by an arrow 92b so as to turn the cover member 84 and return to a closing state. Thus, a space provided in the rear of the enclosure 28 can be reduced and the whole device can be made compact.

Description

DETAILED DESCRIPTION OF THE INVENTION TECHNICAL FIELD The present invention relates to a video camera with a still camera and, more particularly, to a movie video camera that is an extension of a still camera using, for example, f14 kg photographic film.

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. conventionally,
For example, he carried both a silver-halide still camera and a video camera, and if he wanted to shoot a scene with methyl while filming with the video camera, he would stop filming with the video camera and shoot with the still camera. In such a situation, you have to carry two devices, you have to stop recording with a video camera, and there is a risk of missing out on an important photo opportunity. There was a problem.

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

In such a video camera with a still camera, the still camera part is arranged in a shape that is not very uneven with respect to the overall shape of the video camera in consideration of portability, and both the still camera part and the video camera part are Requires ability to operate properly with both hands or one hand.

When combining the still camera section and the video camera section into such a shape, it is necessary to arrange a part of the video camera section also behind the still camera section. However, when loading film in the still camera section by, for example, drop-in loading, the opening of the still camera section is exposed, so it is necessary to open and close the lid that covers the opening. Since the amount of movement required to open and close the lid is quite large, the amount of movement of the back plate of the housing that moves together with the lid is also large. Therefore, the space required to open and close the back plate is Since the video camera section must be placed behind the camera, there is a problem in that the camera cannot be made smaller.

OBJECTS It is an object of the present invention to solve these problems and provide a compact video camera with a still camera that is convenient to carry, has good operability, and is compact.

DISCLOSURE OF THE INVENTION A video camera with a still camera according to the present invention includes a casing having an approximately rectangular parallelepiped shape as a whole, and an imaging optical system for a still camera and an imaging system for a video camera that are located in the front of the casing and have openings facing the same field of view. optical system and
Inside the casing, there is a still camera section that is placed near the imaging optical system for the still camera and that images the subject and records the still image on film. The still camera imaging optical system and the still camera section are housed in a still camera housing that forms part of the casing, and the still camera The housing is provided on either the upper surface or the lower surface of the still camera housing, and has an opening for loading film by drop-in loading, and a lid portion that covers the opening,
The lid includes a lid main body whose end is supported by the casing and is rotatable relative to the casing, and at least one lid member movably connected to the lid main body. The opening is exposed by moving the lid member relative to the lid main body and rotating the lid main body relative to the housing.

In this specification, the term "video camera with still camera" refers to whether the still camera section is integrated into the video camera section, whether the two are separable, or if they are separable, each can be used as a single unit. It shall be interpreted in a broad sense to include photographic devices having both a still camera function and a video camera function, regardless of whether or not the term is a camera function.

DESCRIPTION OF EMBODIMENTS 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.

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 consists of a casing 10 having an approximately rectangular parallelepiped shape as a whole.
It has a video camera function and a still camera function □ housed therein. The video camera uses a video tape 100 (Fig. 5) with a tape width of 8 cm as a video recording medium, captures an image of the subject, and records the moving image along with audio in the form of a video signal on the video tape 100. It is a movie video camera that can be used for In this embodiment, the still camera is a so-called 135-inch silver halide still camera, which uses a 35 mm film 102 (FIG. 5) as a video recording medium, and the still image is transferred to the silver halide film 102.
This is a still camera that records a latent image on the second image.

Two imaging lenses 14 and 16 are arranged on the generally rectangular front surface 12 of the casing 10 . The imaging lens 14 constitutes an imaging optical system of a video camera, and the imaging lens 16 constitutes an imaging optical system of a still camera. Near the imaging lens 14 of the video camera, there is a strobe light emitter 18 for still photography and a light emitting element 20 for automatic ranging (AF).
, and the objective lens 2 of the optical finder 22 (FIG. 4).
4 are arranged as shown in the figure. optical finder 2
The second eyepiece or eyecup 42 is attached to the casing 10.
It is located at the rear of the . These two imaging lenses 14
and 16 face the same subject, and the optical viewfinder 22
The objective lenses 24 are also arranged to face the same field of view. As a result, the still camera function section and the video camera function section within this device can photograph the same scene. It goes without saying that an electronic viewfinder may be used instead of the optical viewfinder.

A microphone 5 is attached to one side of the casing 10, that is, the left side in FIG. 1 in this embodiment, for collecting sounds from the subject. This is advantageously used with unidirectional sensitivity.

As shown in the figure, a light receiving sensor 26 for automatic distance measurement is disposed near the imaging lens 16 of the still camera. The casing IO is a partially independent casing 2 including its front surface 12.
8, and inside this casing 28 are an imaging lens 16, an aperture 104, and an optical shutter 106 of the still camera.
(Fig. 5), etc., an imaging optical system, an AF sensor 26,
Film feeding mechanism 108. and exposure control circuit 110
Various mechanisms necessary for still camera imaging, such as a part of the focusing mechanism 112 (FIG. 5), are provided. As a result, the captured subject image is recorded on the film 102.

As shown in FIGS. 1 and 2, a lid 88 consisting of a lid main body 80 and a lid member 84 is provided on the upper surface of the housing 28. As shown in FIGS. The lid body 80 is connected to the casing 10 so as to be rotatable in the direction of arrow 82 about the hinge 30. The lid main body 80 is formed to be wide in the front and rear direction of the casing 28 in the vicinity of the patrone chamber 37 of the casing 28, and the lid member 84 is attached to the lid main body 80 by a shaft 88 in the wide part of the lid main body 80. A protrusion 90 for operation is provided on the upper surface. When the operator presses this protrusion 90, the lid member 84 rotates in the directions of arrows 92d (FIG. 1) and 92b (FIG. 2) relative to the lid main body 80.

The lid member 84 has a substantially semicircular shape as shown in the figure, and is arranged so that the circumferential portion of the semicircular shape faces the front side of the housing 28 as shown in FIG. 1 when opened. When arranged in this manner, the cartridge chamber 37 and its vicinity can be covered by the wide portion of the lid main body 80 and the lid member 84.

As shown in FIGS. 6 and 7, a groove 81 is provided in the upper surface of the lid body 80 in a semicircular shape, and a convex portion 85 is similarly provided in a semicircular shape in the lower surface of the lid member 84. There is. When closed, both ends of the convex portion 85 of the lid member 84 fit into the groove 8 of the lid main body 80.
1, and when opened, substantially the entire convex portion 85 of the lid member 84 is fitted into the groove 81 of the lid main body 80. By fitting the convex portion 85 and the groove 81 in this manner, a sufficient light shielding effect can be obtained.

When loading a film, the operator pushes the protrusion 90 of the lid member 84 in the direction of the arrow 92a in FIG.
After rotating the 0M member 84, which is arranged so that its semicircular circumference faces toward the rear of the housing 28, as shown by the dotted line in FIG. , lid main body 80
By rotating in the direction of the arrow 82a, the cartridge chamber 37 is exposed and an opening 44 is formed as shown in FIG.

As shown in FIG. 3, a back plate 84 that covers the rear part of the still camera housing 28 is fixed to the lid main body 80. A pressure plate 96 is supported by a spring 98 on the back plate 94 . The back plate 94 is provided so as to be rotatable in the direction of the arrow 82 about the hinge 30 together with the lid main body 80.

Therefore, when the lid main body 80 is rotated in the direction of the arrow 82a by the operator, the back plate 94 is rotated in the same direction and the back surface of the housing 28 is opened.

After opening the lid 86 and the back plate 94 and loading the film 102 in this manner, the operator rotates the lid main body 80 in the direction of the arrow 82b and moves the protrusion 90 into the direction indicated by the arrow 82b.
Rotate the lid member 84 by pushing in the direction 2b,
Return to the open state as shown in Figure 1.

The film 102 is loaded into the still camera section by drop-in loading through an opening 44 formed by rotating the lid member 80, as shown in FIG.

Drop-in loading is, for example, disclosed in Japanese Patent Application Laid-Open No. 58-6
In the six embodiments described in No. 8731, the film cartridge 36 is placed in the cartridge chamber 37 of the housing 28 as shown by the arrow 40 with the lid 8B opened to the position shown in FIG. By inserting the leader 102a of the 135-type film 102, which has been pulled out by a certain length from 36, downward into the vertical gap 44 formed between the lid part 86 and the rear part of the housing 28, The cartridge chamber 6 is housed in the cartridge chamber 37, and then the housing 2
This can be easily done by ensuring that 8 is closed in its original closed position.

As shown in the figure, a cassette storage section 34 is opened in a part of the generally rectangular upper surface 32 of the casing 10 . The cassette storage section 34 is connected to the operation display section 114 (
By operating the switch button for attaching and detaching the 8 mm videotape cassette 46 shown in FIG.
Form an opening for loading. As shown in FIG. 2, when the storage section 34 is raised, an 8 mm videotape cassette 46 can be inserted into and removed from the storage section 34. The cassette 46 is inserted from the direction of the arrow 48, and the cassette 46 is removably loaded by lowering the storage section 34 to its original position.

As shown in Figure 1, a shirt release button 50 for a still camera is disposed on the upper surface 32 of the casing 10, and a record button 52 for a video camera is disposed on the lower surface of the casing 10 at a corresponding position. There is. The operator is
The device is held by holding the upper surface 32 and lower surface of the casing 10 between the fingers of both hands, and the shirt release button 50 can be operated with the index finger of the right hand, and the recording button 52 can be operated with the thumb.

As a power source for this device, for example, a secondary battery is removably loaded. The battery 54 can be loaded from the direction of the arrow 56 shown in FIG. 2 by opening the cover of the battery storage section on the side surface of the casing 10.

Referring to FIG. 5, an example of the internal configuration of the video camera with still camera according to the embodiment shown in FIG. 1 is shown. The imaging optical system of the video camera has an imaging lens 14, and behind the imaging lens 14, an optical image of the subject captured by the aperture 116 and the imaging lens 14 is transmitted from the optical signal onto an optical path 140 from the subject that enters from the imaging lens 14. A solid-state imaging device 11B such as a CCN (charge coupled device) that converts into a video signal is arranged.

The imaging lens 14 may have a fixed focus.

In this embodiment, the focus position is controlled by the automatic focusing (AF) mechanism 112 based on a distance measurement signal from the system control circuit 144. The aperture 116 is also connected to the system control circuit 144.
An automatic exposure adjustment (EE) function is advantageously applied in which the exposure control circuit 110 adjusts the exposure to a proper exposure according to a photometric signal obtained from the exposure control circuit 110. Imaging device 118 is UIA image circuit 120
The video signal obtained by the imaging device 118 is sent to the video circuit 122 through the imaging circuit 120 .

The imaging circuit 120 clock-drives the imaging device 118, amplifies the video signal outputted from it, performs necessary corrections such as white balance adjustment, and outputs a standard color TV signal including a luminance signal, a color difference signal, and a synchronization signal. A composite video signal is formed. The composite video signal is input to the video circuit 122, which performs pre-emphasis to emphasize high frequency components, clamping to fix it at a predetermined level, and FM modulation to convert it into a recording signal suitable for recording on the videotape 100. input to mixer 126.

On the other hand, the audio captured by the microphone 58 is transmitted to the audio circuit 12.
The audio circuit 124 performs amplification, automatic gain adjustment, and FM modulation to convert the signal into a recording signal suitable for recording on the video tape 100.
26.

These composite video and audio recording signals are mixed in a mixer 126, amplified in a recording circuit 128, and supplied to a pair of magnetic heads 130a and 130b. The magnetic heads 130a and 130b are carried by a head cylinder 200 (FIG. 4) so that their azimuth angles are different from each other, and are steadily rotated at a predetermined rotational speed by a head cylinder drive mechanism 132. The video tape 100 is held between a capstan 13B driven by a tape feeding circuit 134 and a pinch roller 138, and runs in a predetermined direction. In this way, magnetic heads 130a and 130b
The composite video signal and audio signal supplied to the video tape 100 are recorded on the videotape 100.

The optical system of the still camera has an imaging lens 16, behind which a film 102 is placed on an optical path 142 from a subject entering from the imaging lens 16 via an aperture 104 and an optical shutter 106. The imaging lens 16 may have a fixed focus, but in this embodiment, the focusing mechanism 112
The focal position is controlled by The automatic exposure adjustment function of the exposure control circuit 110 is also advantageously applied to the aperture 104 and the optical shutter 108.

Loading, winding, and rewinding of film 102 is performed automatically by film feed mechanism 108 in response to instruction signals from system control circuit 144.

The system control circuit 144 is a control circuit that controls each part of the apparatus, and controls the tape feeding circuit 134 in response to the operation of the recording button 52 on the operation display section 114, for example.
Controls the feeding of the videotape 100. For example, in response to the operation of the shirt release button 50, the exposure control circuit 1101, the focusing mechanism 112, and the strobe light emitting circuit 1 are
46.

The apparatus is provided with an automatic exposure (EE) sensor 148,
This determines the brightness of the field by Δ11 and provides data representing the measured value to the system control circuit 144. The system control circuit 144 controls the exposure control circuit 110 and the strobe light emitting circuit 14B in accordance with 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 11B of the video camera, and also controls the aperture of the aperture 104 and the opening time of the shutter 106 of the still camera. Further, the strobe light emitting circuit 146 controls the light emission time of the strobe light emitter 18.

Autofocus (AF) light emitting element 20 is connected to system control circuit 144 via AF light emitting circuit 150 . In response to the instructions from the system control circuit +44, the F light emitting circuit 15
0 drives the AF light emitting element 20 to emit, for example, infrared light toward the subject, and the AF sensor 26 detects a portion of the infrared light reflected from the subject, thereby determining the distance between the device and the subject. Automatic distance measurement is performed.

Distance data is sent from the AF sensor 26 to the system control circuit! 4
4.

This distance measurement is based on the principle of triangulation, but in this device, as shown in Fig. 1, the AF light emitting element 20 and the AF
Since the distance from the sensor 26, 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 data on the distance between the device including the AF sensor 26 and the subject.
, thereby controlling the two imaging lenses 14 and 16.
The focus of the image is adjusted.

This device also includes: A white balance sensor 152 is provided. This detects the color components of the incident light from the subject and provides the data to the system control circuit 144. The system control circuit 144 sets parameters for the white balance adjustment circuit of the imaging circuit 120 based on this data.

The operation display unit 114 is a functional unit that gives manual instructions to the device and visually or audibly displays the status of the device to the operator. and automatic/manual switching such as white balance adjustment, video camera fader,
Setting buttons for wiper and title insertion, operation buttons for recording, rewinding, reviewing, etc. for the video tape recording mechanism 74 (Fig. 4), strobe operation buttons for the still camera, operation mode display, tape counter, tape end warning display, It has various operation buttons and display elements such as a film counter and a power consumption warning display.

Referring now to FIG. 4, this figure schematically shows the interior of the apparatus in the state shown in FIG. 1 with the casing 10 removed. Inside the casing 28 of the casing IO, a still camera functional section 76 is mainly mounted. For example, a lens unit 80 in which an imaging optical system including an imaging lens 16 of a still camera and an AF sensor 26 are integrated, an N light control circuit 1102 a focusing mechanism 112 . Automatic photometry and distance measurement circuit, AF light emission circuit 15
0. Electronic circuit boards 82 and 64 on which parts related to still camera functions such as a strobe light emitting circuit 146 are mounted are arranged as shown.

Behind the imaging optical system unit 66 including the imaging lens 14 of the video camera, a solid-state imaging device 118 is mounted on an electronic circuit board 68 and disposed as shown in the figure. Parts related to video camera functions such as a mechanism 112, automatic photometry and distance measurement circuits are also implemented. Further behind it, a video circuit 120
Electronic circuit boards 70 and 72 each having an audio circuit 124 mounted thereon are disposed, and a battery 54 is housed therebelow.

As shown, a video tape cassette storage section 34, a magnetic head cylinder 200. A video tape recording mechanism 74 including a gear stan 136 and a pinch roller 138 is disposed behind the still camera section 76, and below it is a head cylinder drive mechanism 132 including a cylinder motor and the like.
and a mixer 126. Recording circuit 128, tape feeding circuit 1
34 and an electronic circuit board 78 on which a system control circuit 144 and the like are mounted. Optical viewfinder 22 is positioned between electronic circuit board 70 and videotape recording mechanism 74 as shown.

In this way, in the wooden embodiment, the imaging lenses 14 and 16 are opened in the front surface 12 of the casing 10, the still camera function section 76 is located near the imaging lens 16 of the still camera, and the still camera function section 76 is located behind the imaging lens 14 of the video camera. Circuits and mechanisms necessary for photographing with a video camera are arranged, and a video tape recording mechanism and related circuits are arranged behind the still camera section 76.

Therefore, it is possible to simultaneously capture a moving image using a video camera and capture a still image using a still camera without interfering with each other.

Also, attaching and detaching video tape cassette 4B and film 10
Both of the two drop-in loadings can be performed from the top surface 32 of the casing 10.

In particular, when loading the film 102 by drop-in loading, the lid part 86 is rotated relative to the casing lO,
This is done by rotating the back plate 88 of the housing 28 and exposing the opening of the cartridge chamber 37. In that case, the lid member 84 is rotated so that it almost overlaps with the lid main body 80, and then the lid main body 80 is rotated. Therefore, compared to the case where the 1M member 84 is fixed to the lid main body 80, the rotation of the lid member 84 causes the lid main body 80 to
The amount of movement of the lid main body 80 when the opening is exposed can be reduced by the amount of overlap. As a result, the space provided at the rear of the housing 28 for rotating the back plate 88 can be reduced, so that the entire device can be made compact.

Note that instead of rotating the lid member 84 relative to the lid main body 80, the lid member 84 may be moved linearly toward the rear of the housing 28 so as to overlap with the lid main body 80. Good too.

Further, the shape of the lid member 80 is not limited to the above-mentioned shape, and may be any shape that corresponds to the shape of the opening when the film 102 is loaded.

In each of the above-described embodiments, the still camera 1 uses 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. .

Effects In the video camera with still camera according to the present invention, the still camera section and the video camera section are housed in the casing, and the same scene can be photographed by the still camera section and the video camera section.

The lid that is rotated when loading film into the still camera section is made up of a lid main body and a lid member, and the lid can be opened by moving the lid member relative to the lid main body and rotating the lid main body. to expose. Therefore, since the amount of movement of the lid when the opening is exposed can be reduced, the space required at the rear of the still camera housing to open the back plate can be reduced, making the entire device more compact. be able to.

[Brief explanation of the drawing]

1 is a perspective view showing the external appearance of an embodiment of a video camera with still camera of the present invention; FIG. 2 is an external perspective view for explaining the film loading state of the embodiment shown in FIG. 1; 3 is a perspective view showing a part of the device shown in FIG. 2, FIG. 4 is a perspective view schematically showing the internal structure of the camera shown in FIG. 1, and FIG. 5 is an internal structure of the camera shown in FIG. 1. A functional block diagram showing an example, FIG. 6 is an exploded perspective view showing the lid part of FIG. 3, and FIG. 7 is a
FIG. 4 is an exploded side view showing the lid portion of FIG. 3; Explanation of symbols for important parts 10, Casing 14.1B, Imaging lens 28, Housing 34, Cassette storage 3G, Patrone 37, Patrone chamber 74, Videotape recording Mechanism 7B, still camera function section 80, lid main body 81, groove 84, lid member 85, convex portion 8B, M section 90, protrusion 94, back Plate 96, Pressure plate 102, Film patent applicant Fuji Photo Film Co., Ltd. Agent Takao Katori Maruyama Takao 7

Claims (1)

[Scope of Claims] 1. A casing having an approximately rectangular parallelepiped shape as a whole; an imaging optical system for a still camera and an imaging optical system for a video camera that are located in the front of the casing and have openings facing the same field of view; a still camera section disposed inside the casing near the imaging optical system for the still camera and configured to image the object scene and record the still image on film; and a video camera unit that images a subject and records the moving image on a videotape, and the still camera imaging optical system and the still camera unit are connected to a still camera housing that constitutes a part of the casing. The still camera casing is provided on either the top or bottom of the still camera casing, and includes an opening for loading film by drop-in loading, and a lid that covers the opening. The lid has an end portion supported by the housing and a lid main body that is rotatable with respect to the housing, and a lid main body that is movably connected to the lid main body. and at least one lid member, and the opening is exposed by moving the lid member relative to the lid main body and rotating the lid main body relative to the casing. A video camera with a still camera. 2. In the video camera with still camera according to claim 1, the still camera housing further comprises:
A video camera with a still camera, comprising a back plate that covers a rear surface of the still camera casing, the back plate being fixed to the lid main body. 3. A video camera with a still camera according to claim 1, wherein the lid member is made of one member and is rotatably connected to the lid main body. video camera. 4. The video camera with still camera according to claim 3, wherein the lid member is provided only in a portion where the opening is provided close to the front surface of the casing. Video camera with camera. 5. A video camera with a still camera according to claim 4, wherein the lid member is approximately semicircular. 6. In the video camera with a still camera according to any one of claims 1 to 5, the video camera section is disposed behind the video camera imaging optical system, and the field of view is a video circuit section that captures an image and forms a video signal representing the moving image; and a videotape recording section that is disposed inside the casing behind the still camera section and records the video signal on a videotape. and between the still camera section and the videotape recording section,
A video camera with a still camera, characterized in that a gap is provided according to the amount of movement of the back plate.