JP3298071B2 - Video camera - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video camera having a viewfinder color liquid crystal panel and a built-in small projector.

[0002]

2. Description of the Related Art As a video camera of this type, the one disclosed in Japanese Utility Model Laid-Open No. 1-115371 by the same applicant is well known as a conventional example. In this conventional example, a liquid crystal panel of a viewfinder is used for a projector. A backlight for the viewfinder and a light source for the projector are arranged on the same optical axis, and the backlight is used when the projector is used. It is configured to retreat from the optical axis.

[0003] In addition, when the front side and the back side of the liquid crystal panel are viewed from the viewfinder and projected by the projector, the image is reversed. , It is necessary not only to incorporate a circuit for inversion but also a liquid crystal panel dedicated to inversion.

[0004]

In the above-mentioned conventional example, a limited liquid crystal panel exclusively used for inversion and a circuit for inversion are required. In particular, the circuit for inversion is complicated including its driving device. At the same time, the liquid crystal panel dedicated to inversion is more expensive than a normal liquid crystal panel, and together with this, not only the video camera becomes expensive, but also extra space for incorporating the circuit is required, and the camera becomes smaller. It has the problem of going against compactness.

[0005] Therefore, in the conventional example, it is possible to reduce the size and the size with a simple structure using a normal liquid crystal panel without using an expensive liquid crystal panel dedicated to inversion and a complicated inversion circuit, and to look through the viewfinder. However, there is a problem that must be solved so that an appropriate image can be viewed even when projected by a projector.

[0006]

As the present invention specifically means to solve the problems of the prior art Means for Solving the Problems], illuminated from the back surface of the liquid crystal panel by a backlight, comprising a view finder which is to look to expand, the liquid crystal Means for rotating the panel by a predetermined angle, and a video camera provided with a projector function by arranging a light source and a lens before and after the liquid crystal panel at the rotation position , wherein the liquid crystal panel is provided with the liquid crystal.
Parallel to the liquid crystal panel surface provided at one end of the crystal panel
It is arranged so that it can rotate by a predetermined angle about the axis.
In the turned position, the light source for the projector is
It is located on the front side of the liquid crystal panel and
Position the viewfinder on the back side of the
A video camera characterized in that a projection lens unit for a projector is provided.

[0007] Also, the upper and lower sides of a liquid crystal panel when using the liquid crystal panel as a projector, and so with respect to the viewing position looking through the view finder, becomes inverted,
And a video camera that reflects light from a light source for a projector so as to enter a liquid crystal panel, and uses a mirror for the reflection.

Further, the liquid crystal panel is configured so that the liquid crystal panel is rotated at a predetermined angle from 90 ° to 180 °, and when used as a projector, the backlight of the liquid crystal panel is automatically turned off. The video light used for the lighting for the projector is also used as the light source for the projector, and the video light becomes the diffused light when illuminating for the video shooting and becomes the parallel light when used as the light source for the projector. .

[0009] Then, in addition viewfinder, a speaker and so no sound during video shooting provided, the speaker is an internal view finder, the flop
A portion including the optical path of the projector is a video camera which can be used as a speaker box.

[0010]

When a liquid crystal panel disposed inside a viewfinder is used as a projector, the liquid crystal panel is turned upside down so that light for projection is transmitted from the front side of the liquid crystal panel to form a projection lens. In this optical system, the image is projected upside down and left and right, and a normal liquid crystal panel (color) is used without using a liquid crystal panel dedicated to inversion and a reversing circuit. In the case of using the projector as a projector, a rotating means for turning the liquid crystal panel upside down and changing the transmission direction of the light for projection can be used at any time to obtain an appropriate image with a simple configuration. It can be projected anywhere.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the present invention will be described in more detail with reference to the illustrated embodiment. In the first embodiment shown in FIGS. 1 to 13, reference numeral 1 denotes a video camera main body, and one end of the video camera main body 1. The lens 2 and the microphone 3 are arranged on the front end side, that is, the battery 4 is detachably mounted on the rear end side.

On one side of the video camera main body 1, a cassette lid 5 for taking out and inserting a cassette is attached so as to be openable and closable, and is used as a camera on the upper surface of the video camera main body 1 adjacent to the cassette lid 5. A switch 6 for switching whether to use as a video or a video, and a group of operation buttons 7 for performing operations such as driving or zooming the camera are provided.

Further, a front end is attached to the other side of the video camera body 1 so that the viewfinder 8 can rotate within a predetermined angle range, and an eyecup 9 is provided at the rear end.

A video light 10 is attached to such a viewfinder 8 by a support shaft 11 so as to be able to move up and down, and a switch 12 for turning on and off the video light 10 is provided at a predetermined position.

As shown in FIG. 2, the video light 10 rotates the viewfinder 8 in the direction indicated by the arrow A, and turns on the video light, particularly when the subject is dark, when shooting the video. As shown in FIG. 3, the light source is used for illumination by standing up, and as shown in FIG. 3, it is used as a light source for a projector in a prone position. An enclosure 13 is provided in the viewfinder 8 to stably hold the video light 10 in the down position and prevent light leakage.

A slidable slide plate 14 is provided on the enclosure 13. The slide plate has a finger tongue 14 a formed so as to protrude therefrom, and the finger tongue 14 a forms one side of the enclosure 13. . And the slide plate 14
A hook-shaped stopper portion 15 for regulating the open position (open end) of the slide plate 14 is formed, and a switch 16 for detecting the opening of the slide plate 14 is disposed at a position hidden by the hook portion. The switch 16 turns on and off a backlight described later.

A speaker 17 is formed on a side surface of the viewfinder 8 and at a position corresponding to the enclosure 13, and a projection for a projector is provided on the lower surface corresponding to the same position so as to face the inverted video light 10. A lens unit 18 is provided, and a ring 19 for focusing is attached to the projection lens unit 18.

The internal structure of the viewfinder 8 thus constructed is as shown in FIG. 4, and a window 20 is formed inside the enclosure 13 in which the slide plate 14 is provided. Dust-proof or protective transparent glass plate 21
Are fitted to each other to separate the inside and outside of the viewfinder 8 from each other.

A drive board 22 on which a number of electronic components are mounted, a power supply board 23 housed in a shield case, and a color liquid crystal panel 24 driven by the drive board 22 are arranged inside the viewfinder 8. And a backlight 25 of the color liquid crystal panel 24 is provided adjacent to the color liquid crystal panel 24.

The color liquid crystal panel 24 is connected to the drive board 22 by a flexible flat cable 26 .
24 is provided on one side end and is parallel to the liquid crystal panel surface.
7 is arranged so as to be rotated by a predetermined angle about the said backlight 25 is formed by rectangular fluorescent tubes are connected so as to be turned on and off by the switch 16.

A lever 28 is attached to the shaft 27, and the lever 28 is protruded from a part of the window 20 to the outside. The protruding end of the lever 28 is engaged with an operating portion 14b formed of a notch or the like of the slide plate 14. The color liquid crystal panel 24 rotates together with the shaft 27 via the lever 28 as the slide plate 14 moves.

The projection lens 18 has a convex lens 2
When the color liquid crystal panel 24 is viewed from the eye cup 9 during normal use, a convex lens 30 is provided to allow the image to be enlarged and viewed. The video light 10 has a light source 31 such as a halogen lamp and a parabolic reflecting mirror 32 housed therein, and a protective glass 33 disposed on the front side.

As shown in FIG. 5, the speaker 17 includes a diaphragm (speaker) 34, a retaining ring 35 and a speaker net 36. The diaphragm 34 has a hole 34a in a part thereof. The drive board 2 is connected to the drive board 22 through a cord 37.
2 driven.

Each of the members constituting the speaker is housed in a circular housing 38 projecting from a side surface of the viewfinder 8, and a plurality of holes 39 communicating with the viewfinder 8 are provided at the bottom of the housing. Is provided. By attaching the speaker 17 in this manner, the cavity in the viewfinder 8 becomes a kind of speaker box, and the sound emitted from the speaker 17 is improved.

In the video camera thus configured, the cross section of the viewfinder 8 shown in FIG. 6 shows a state during normal use in video shooting or when a reproduced image is viewed through the eyecup 9. In this state, the slide plate 14 is located in the surrounding wall 13, the color liquid crystal panel 24 is located in a state close to the backlight 25, and the image appears to be enlarged through the lens 30.

When it is desired to project the reproduced image on a wall or the like to be viewed by a plurality of persons, the video light 10 is temporarily lifted upward as shown in FIGS.
a is hung with a finger, and is moved or slid in the direction of being pulled out from the surrounding wall 13, that is, in the direction of arrow C. (See FIGS. 7 and 8)

By sliding as described above, the window 20 is brought into a see-through state, and the lever 28 engaged with the action portion 14b of the slide plate 14
And the shaft 27
Then, the color liquid crystal panel 24 is rotated in the direction indicated by the arrow D, and is rotated until the color liquid crystal panel 24 becomes substantially parallel to the transparent glass plate 21.

When the slide plate 14 is slid to the end point, that is, until it comes into contact with the stopper member 15, the switch 25 hidden on the stopper member 15 acts to turn off the backlight 25. Therefore, switch 1
Reference numeral 6 turns off when the normally closed switch is used and pressed.

By sliding the slide plate 14 to the end point as described above, the slide plate 14 can be rotated to a predetermined position without touching the color liquid crystal panel 24, and when the window portion 20 can be seen through, the video The light 10 is turned down and placed on the surrounding wall 13.

In this state, as shown in FIG. 10, the viewfinder 8 is
Is set up in a substantially upright state (corresponding to FIG. 3), and the switch 12
To turn on the video light 10,
Light from the video light 10 passes through a color liquid crystal panel 24 and is projected through a projection lens 29. The projected image is displayed in exactly the same state as the image viewed through the viewfinder 8.

In this case, in order to match the image viewed through the viewfinder 8 with the image projected through the projection lens 30, the color liquid crystal panel is turned upside down and left and right from the position viewed through the viewfinder 8. Must be taken from the theory of the optical system via the projection lens.

Therefore, in the present invention, the slide plate 14
Is opened, the color liquid crystal panel 24 is rotated by 90 °, and the viewfinder 8 is erected to further
The camera is rotated by 0 ° and eventually turned by 180 ° so that the upper and lower sides are reversed, and the left and right sides are reversed by projecting light for projection from the direction of the viewfinder.

This will be described with reference to the block diagrams shown in FIGS. FIG. 11 is an explanatory view showing a state in which the image on the color liquid crystal panel 24 is viewed through the eyecup 9 of the viewfinder 8. Since the slide plate 14 is closed, the color liquid crystal panel 24 is adjacent to the backlight 25. The backlight 2
Since 5 is irradiated from the back of the color liquid crystal panel 24, the image A of the color liquid crystal panel 24 can be seen from the front side in a positive state. In addition, the video light 10
This is used when necessary when shooting in a dark place.

FIG. 12 shows a case where the shaft is used as a projector, in which the lever 28 is pulled down and the shaft 27 is rotated by the action of opening the window 20 by sliding the slide plate 14 as described above. As a result, the color liquid crystal panel 24 is rotated by about 90 ° in the direction of flipping up. When the slide plate 14 slides to the end point, the switch 16 is turned off by acting on the switch 16, and the backlight 25 is turned off.

By sliding the slide plate 14 in this manner, the color liquid crystal panel 24 is rotated by 90 °, and further, the viewfinder 8 is rotated to a position which stands substantially vertically from the video camera main body 1, whereby the color liquid crystal panel is rotated. 24 is further rotated by 90 °, and eventually rotated by 180 °, so that it comes to a position that is inverted from the position where the user looks into the viewfinder.

When the video light 10 is turned down on the surrounding wall 13 with the window 20 opened and the switch 12 is turned on, the light from the video light 10 is
Through the projection lens 29. In this case, by projecting light from the front side of the image viewed through the viewfinder 8 and projecting it, the projection lens 2
9, the image is inverted up to a predetermined distance (focal point) through the projection lens 29, and the inverted image becomes the normal position, and the image is inverted right and left.
The image is projected exactly as the image viewed in the above.

In this case, when the video light 10 is used at the time of video shooting, light from a light source 31 is irradiated as a diffused light having a predetermined spread by a reflecting mirror 32, and when the video light 10 is used as a light source for a projector. The parallel light is emitted by the reflecting mirror 32.

That is, when the light source comes to the focal position of the parabolic reflector, parallel rays are obtained, and when the light source is located behind the focal position, it becomes diffused light. Sometimes, the light source 31 may be located behind the focal position, and the light source 31 may be brought to the focal position of the reflecting mirror 32 when the light source 31 is turned down. What is necessary is just to comprise so that the mirror 32 may retreat a predetermined stroke when falling down.

In these block diagrams, 40 is a liquid crystal driving circuit, 41 is a backlight inverter power supply, 42
, An amplifier power supply; and 43, an amplifier, which are mounted on the drive board 22 as electronic components. The speaker 17 is connected via the amplifier 43, and a switch 44 for turning on / off the speaker is attached. A volume knob can be attached to this switch to adjust the volume.

In particular, in the audio circuit including the amplifier power supply 42 and the amplifier 43, a signal for transmitting the mode from the video camera main body 1 is received. Regardless of the ON / OFF state, the audio circuit is maintained in the OFF state to avoid howling between the microphone 3 and the speaker 17. Then, when the mode signal is the “video playback mode”, the switch 44 can be freely turned on and off to sound the speaker 17 irrespective of whether playback is performed by looking through the viewfinder 8 or used as a projector.

FIGS. 13 and 14 show a video camera according to the second embodiment. FIG. 13 shows a state in which video shooting and video playback are performed by looking through the viewfinder 8, and FIG. Is shown. The video camera body 1 in this embodiment is the same as that of the first embodiment, except that the configuration of the viewfinder 8 is slightly different. Therefore, the same parts as those of the first embodiment are denoted by the same reference numerals, and the details are omitted.

In the second embodiment, a lamp 45 dedicated to a projector is provided in the viewfinder 8, and the lamp 45 includes a light source 46 and a parabolic reflector 47.
It is composed of

The viewfinder 8 at the portion where the dedicated lamp 45 is attached is greatly expanded so that the storage portion 48
And the end of the storage section on the eye cup 9 side is set to approximately 45 °.
It is formed on an inclined tapered surface 48a, and a flat rectangular heat absorbing mirror 49 is attached to the inner surface thereof.
A condenser lens 50 is provided between the mirror 49 and the lamp 45.

The distal end of the housing portion 48 is partially formed in a detachable lid portion 48b. The lid portion is opened to replace the light source 46 of the exclusive lamp 45, and the space inside the lid portion is provided. Is designed to accommodate a spare bulb 46a. The switch for the dedicated lamp may be provided at an appropriate position. Further, an appropriate heat radiation hole 48c is provided in the lid.

As in the first embodiment, a speaker 17, a projection lens unit 18, a drive board 22, a power supply board 23, a color liquid crystal panel 24,
A backlight 25 and the like are provided, and the color liquid crystal panel 24 is rotated at a predetermined angle (90
°) It can be rotated. The lever 28 is disposed, for example, on the side of the viewfinder 8 and is manually rotated in the direction of arrow D.

In the second embodiment, as shown in FIG. 14, when used as a projector, the color liquid crystal panel 24 is rotated by approximately 90 ° by manually operating the lever 28, and the viewfinder 8 is used. Is further rotated by 90 ° by standing up from the video camera main body 1, so that the color liquid crystal panel 24 is substantially rotated by 180 ° to be in an inverted state.

When the dedicated lamp 45 is turned on in this state, the light from the light source 46 is converted into substantially parallel light by the reflecting mirror 47 and the condenser lens 50, the direction is changed by the mirror 49, and the light is externally transmitted from the projection lens 29 through the color liquid crystal panel 24. And an image is projected on a wall surface or a screen at a predetermined position. Even in this case, the image is inverted vertically and horizontally by the projection lens 29, and the image is displayed in an appropriate state as described in the first embodiment.

In the case of the second embodiment, not only can the light source 46 and the color liquid crystal panel 24 be kept at a considerable distance, but also by using the heat ray absorbing mirror 49, the influence of heat on the color liquid crystal panel 24 can be reduced. Since the power of the light source 46, that is, the illuminance can be increased, the effective light for projection can be increased, and the projected image becomes brighter and clearer.

When the lever 28 is operated, there is an appropriate positioning stopper member, so that the position where the color liquid crystal panel 24 looks through the viewfinder can be determined.
The projector is positioned in an appropriate state with respect to the position to be projected as a projector. Needless to say, the switch 16 of the backlight 25 is turned on or off in accordance with the operation of the lever 28 or the rotation of the color liquid crystal panel 24.

FIGS. 15 to 18 show a third embodiment.
This embodiment is different from the first and second embodiments in that the viewfinder 8 can be used as a projector without being raised from the video camera body 1 as it is. Note that also in the third embodiment, the configuration of the video camera body 1 and a part of the configuration of the viewfinder 8 are substantially the same as those of the first and second embodiments. The details are omitted.

The third embodiment is characterized in that a cylindrical portion 51 for a projector is formed integrally with the viewfinder 8, and an image is projected in the direction in which the viewfinder 8 is viewed. The tubular portion 51 is substantially integral with the viewfinder 8 and is formed in parallel with the upper portion of the viewfinder 8 by bulging out the upper portion thereof. An adjustable projection lens 29 is provided, and a video light 10 also serving as a light source of the projector is provided at the other end.

The video light 10 is formed as if it constitutes a part of the cylindrical portion 51, and is attached via a support shaft 52 so as to be rotatable in a direction indicated by an arrow F. The video light 10 is used as a light source for a projector in a state where the video light 10 is housed in the cylinder portion 51 side, and is turned on when the surroundings are dark and turned on when the video is taken, and used as a video light. It is. Of course, when the surroundings are bright, shooting a video with the video light 10 closed is the same as in a conventional video camera.

The cylindrical part 5 in which the video light 10 is closed
A window 20 is formed at one end of the window 1 and a transparent glass plate 21 also serving as protection is fitted into the window. Further, inside the transparent glass plate 21, a condenser lens 50 for converting the light from the light source 31 into parallel rays is provided.

The viewfinder 8 has the first
Similarly to the second embodiment, a speaker 17, a drive board 22, a power supply board 23, a color liquid crystal panel 24, a backlight 25, and the like are provided, and the color liquid crystal panel 24 has a predetermined angle via a shaft 27 and a lever 28. (180 °). The lever 28 is disposed, for example, on the side of the viewfinder 8 and is manually rotated in the direction of arrow G.

In the third embodiment, a video is shot in the state shown in FIG. 15 or FIG. 16 or a video shot by looking through the viewfinder 8 is reproduced. It is positioned so as to overlap with the backlight 25.

When used as a projector, while the video light 10 is closed, that is, as shown in FIG. And rotate it 180 °.

By rotating the lever 28 in this manner, as shown in FIG.
Is rotated by 180 °, so that it is located between the condenser lens 50 and the projection lens 29 in the cylindrical portion 51 from a position where it was seen through the viewfinder to an invisible position, that is, upside down. At this time, the backlight 2
5 is turned off.

Then, when the video light 10 is turned on, the light emitted from the light source 31 is converted into a parallel light by the parabolic reflector 32 and the condenser lens 50, passes through the color liquid crystal panel 24, and then passes through the projection lens 29.
Then, similarly to the above embodiment, the optical system of the projection lens 29 is turned upside down and left and right, and a normal image is projected.

Also, in the second and third embodiments, the audio circuit of the speaker 17 is turned off when the "video camera shooting mode" comes from the video camera body 1 as in the first embodiment. When the mode signal is in the “video playback mode”, the speaker 1 can be operated by operating the switch as appropriate, regardless of whether playback is performed through the viewfinder 8 or as a projector.
7 is the same in that it can ring. The use of the inside of the viewfinder 8 as a speaker box is also the same.

In any of the above-described embodiments, the size of the screen displayed when used as a projector corresponds to a television screen of approximately 12 inches. And
Normally, continuous reproduction / projection for one hour or more is possible with one battery 4.

In the present invention, the function of the projector is provided integrally with the viewfinder 8. However, the video light 10 is originally required at the time of video shooting because the viewfinder function is sufficient.
Alternatively, the projection lens unit 18 and the like for the projector may be appropriately removable.

The projection lens unit 18 for the projector
The convex lens 30 and the viewfinder convex lens 30 are similar convex lenses, so that both can be detached, and if they are used by selecting their mounting positions during video shooting and projection, both can be used together. .

Further, the configuration in which the rotation of the color liquid crystal panel 24 is performed manually has been described. The point is that the position is changed (upside down) by rotating the color liquid crystal panel 24 between a position to be viewed through the viewfinder and a position to be projected by the projector. It is possible to use a small motor or the like to change the position of the color liquid crystal panel and to switch between the projector and the video shooting simply by operating the switch.

[0064]

Video camera according to the present invention, as described above, according to the present invention includes a liquid crystal panel in the view finder, liquid
Parallel to the liquid crystal panel surface provided at one end of the crystal panel
It is arranged so that it can rotate by a predetermined angle about the axis.
In the turned position, the light source for the projector is
It is located on the front side of the liquid crystal panel and
Position the viewfinder on the back side of the
The projection lens section for the projector is arranged so that the video camera can be immediately projected as an image so that many people can see it anytime and anywhere with the video camera. In particular, there is no need to use a complicated inversion liquid crystal panel or inversion circuit, so that there is an excellent effect that the configuration can be simplified and the size and weight can be reduced so as to be easy to carry.

[0065] Also, so as to incident on the liquid crystal panel with light from the light source for the projector is reflected by the mirror, and the upper and lower liquid crystal panel when using the liquid crystal panel as a projector, see peeps viewfinder By rotating it upside down with respect to the position,
The light for projection is transmitted from the front side of the liquid crystal panel, and the image is projected by reversing the vertical and horizontal directions in the optical system of the projection lens, thereby providing an excellent effect that an appropriate image can be obtained. .

The liquid crystal panel can be rotated by a predetermined angle, the rotation angle is 90 ° to 180 °, and when used as a projector, the backlight of the liquid crystal panel is automatically turned off. By using the video light used for lighting as a light source for the projector, the video light becomes diffused light when illuminating for video shooting, and becomes parallel light when used as a light source for the projector. The lighting effect at the time of video shooting and the projection effect of the projector can be improved according to each purpose.

Further, by providing a speaker in the view finder, the video camera main body is hardly affected by the vibration of the speaker, and not only does not adversely affect the tape drive unit and the wiring system, but also has a speaker. an internal viewfinder, the Puroji
Since the portion including the optical path of the ejector can be used as a speaker box, an excellent effect that a good sound can be emitted can be obtained.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of a video camera according to the present invention.

FIG. 2 is a perspective view showing an example at the time of video shooting with the video camera of the embodiment.

FIG. 3 is a perspective view showing an example in which the video camera according to the embodiment is used as a projector.

FIG. 4 is an enlarged perspective view showing the viewfinder of the video camera according to the embodiment with a part cut away.

FIG. 5 is an enlarged perspective view showing a speaker portion of a viewfinder in the video camera of the embodiment in a separated manner.

FIG. 6 is a sectional view showing a normal use of the viewfinder in the video camera of the embodiment.

FIG. 7 is a cross-sectional view of a viewfinder showing a situation in which a liquid crystal panel is operated when the video camera of the embodiment is used as a projector.

FIG. 8 is a schematic perspective view showing only essential parts for explaining the operation state of FIG. 7 in the video camera of the embodiment.

FIG. 9 is a schematic perspective view showing only a main part of the video camera according to the embodiment, for explaining the operation situation continued from FIG. 8;

FIG. 10 is a perspective view showing only a viewfinder when the video camera according to the embodiment is used as a projector.

FIG. 11 is a block diagram for explaining main parts of the video camera according to the embodiment in a normal use situation.

FIG. 12 is a block diagram for explaining main parts when the video camera according to the embodiment is used as a projector.

FIG. 13 is a perspective view showing a second embodiment of the video camera according to the present invention.

FIG. 14 is an enlarged cross-sectional view of a viewfinder when the video camera of the embodiment is used as a projector.

FIG. 15 is a perspective view showing a third embodiment of the video camera according to the present invention.

FIG. 16 is a perspective view showing an example at the time of video shooting with the video camera of the embodiment.

FIG. 17 is an enlarged cross-sectional view of a viewfinder showing an example of video shooting by the video camera of the embodiment.

FIG. 18 is an enlarged sectional view of a viewfinder when the video camera according to the embodiment is used as a projector.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Video camera main body 2 Lens 3 Microphone 4 Battery 5 Cassette lid 6, 12, 16, 44 Switch 7 Operation button group 8 Viewfinder 9 Eyecup 10 Video light 11, 27 axis 13 Enclosure part 14 Slide plate 14a Finger tongue piece 14b 15 Slide plate 17 Speaker 18 Projection lens part 19 Ring 20 Window part 21 Transparent glass plate 22 Drive board 23 Power supply board 24 Color liquid crystal panel 25 Backlight 25 26 Flat cable 28 Lever 29 Convex lens 30 Convex lens 31, 46 Light source 32, 47 Paraboloid Reflector 33 Protective glass 34 Diaphragm (speaker) 34 a, 39 hole 35 Stop ring 36 Speaker net 37 Cord 38 Housing 40 Liquid crystal drive circuit 41 Backlight inverter power supply 42 Amplifier power 43 amplifier 45 Projector dedicated lamp 46a spare bulb 48 accommodating section 48a tapered surface 48b lid 48c louvers 49 heat absorption mirror 50 the condenser lens 51 cylindrical portion 52 supporting shaft

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-2-257487 (JP, A) JP-A-3-78374 (JP, A) JP-A-3-130677 (JP, U) JP-A-1-257677 115371 (JP, U) Japanese Utility Model 3-115474 (JP, U) Japanese Utility Model Utility Model 55-88562 (JP, U) Japanese Utility Model Application Utility Model 64-25272 (JP, U) (58) Field surveyed (Int. ⁷ , DB name) H04N 5/225-5/247

Claims (9)

(57) [Claims] 1. A illuminated from the back by the backlight of the liquid crystal panel, comprising a view finder which is to look to expand, means for the liquid crystal panel by a predetermined angle,
A video camera provided with a projector function by arranging a light source and a lens in front of and behind the liquid crystal panel at that rotational position.
A la, the liquid crystal panel is provided on one side edge of the liquid crystal panel
Can rotate a predetermined angle about an axis parallel to the liquid crystal panel surface
And a light source for the projector in its rotated position.
Is positioned on the surface side of the liquid crystal panel, and the liquid
The viewfinder on the back side of the crystal panel.
A video camera comprising a projection lens unit for a projector . 2. The video camera according to claim 1, wherein when used as a projector, the top and bottom of the liquid crystal panel are turned upside down with respect to a position where the user looks through the viewfinder. 3. The video camera according to claim 1, wherein light from a light source for the projector is reflected to enter the liquid crystal panel, and a mirror is used for the reflection. 4. The method according to claim 1, wherein the rotation of the liquid crystal panel at a predetermined angle is 90 ° or more.
The video camera according to claim 1, which is 180 degrees. 5. When used as a projector,
2. The video camera according to claim 1, wherein the backlight of the liquid crystal panel is automatically turned off. 6. A claim was also used video lights used for illumination for video imaging a light source for the projector 1
Video camera according to. 7. video light becomes diffused light for the illumination for video shooting, video camera according to claim 1 or 6 is constructed so as to be parallel rays at the time of use as a light source for a projector. 8. The video camera according to claim 1, wherein a speaker is provided in the viewfinder so that sound is not output during video shooting. 9. Inside the viewfinder , and
Portion including the optical path of serial projector, video camera according to claim 1 or 8 was available as a speaker box.