JP2001100142A - Half mirror supporting structure for prompter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a half mirror supporting structure for prompter by which trouble for the positional adjustment of a half mirror can be eliminated by providing a stopper ring storing the position of the half mirror in a vertical direction on a pole movably supporting the half mirror in the vertical direction with respect to a liquid crystal panel, so that the position of the half mirror in the vertical direction is automatically set by the stopper ring when the half mirror is moved from a housing position to a using position. SOLUTION: In this half mirror supporting structure, the stopper ring 70 controlling the position of the half mirror 14 in the vertical direction is provided on the pole 42 movably supporting the mirror 14 in the vertical direction, so that the trouble for the positional adjustment of the mirror 14 can be eliminated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a prompter for displaying an image of a news manuscript on a newscaster, and more particularly to a half mirror support structure for setting a half mirror of the prompter to a use position.

[0002]

2. Description of the Related Art A prompter disclosed in Japanese Patent Application Laid-Open No. 1-147970 or the like includes a transmission type liquid crystal display panel (hereinafter, referred to as a "liquid crystal panel") and a half mirror, and a news manuscript displayed on the liquid crystal panel. Is reflected by a half mirror toward a newscaster. In addition, a television camera is provided behind the half mirror, so that a newscaster can give news commentary to the television camera while watching the image of the news manuscript reflected by the half mirror. .

On the other hand, a prompter disclosed in Japanese Patent Application Laid-Open No. 5-130461 is provided with a liquid crystal panel provided on a bottom cover of an openable and closable case, a half mirror provided on an upper cover of the case, and a half mirror provided when the upper cover is opened. Is provided at a 45 ° inclination angle with respect to the liquid crystal panel. According to such a prompter, it is possible to automatically set the half mirror at a position where the half mirror is used at a tilt angle of 45 ° simply by opening the upper cover from the storage position where the upper cover is closed.

[0004]

SUMMARY OF THE INVENTION
The conventional prompter disclosed in 5-130461 and the like,
Although it has a mechanism (hinge part) for regulating the inclination angle of the half mirror to 45 °, it does not have a mechanism for regulating the vertical position of the half mirror with respect to the liquid crystal panel. For this reason, each time the half mirror is moved from the storage position to the use position, the vertical position of the half mirror must be adjusted each time.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a half mirror support structure of a prompter which can save time and effort for position adjustment when a half mirror is located at a use position. And

[0006]

In order to achieve the above object, the present invention provides a prompter provided with a half mirror for reflecting an image displayed on a display means in a predetermined direction while supporting the half mirror. A support member that adjusts the position of the half mirror at a predetermined inclination angle with respect to the display means in the forward and backward directions is provided with a regulating member that regulates the position of the half mirror in the forward and backward directions. .

According to the first aspect of the present invention, since the supporting member for supporting the half mirror so as to be movable in the forward and backward directions with respect to the display means is provided with the regulating member for regulating the position of the half mirror in the forward and backward directions. When the half mirror is moved from the storage position to the use position, the position of the half mirror in the advance / retreat direction is automatically set by the regulating member. Thus, the present invention can save the labor for adjusting the position of the half mirror.

According to a second aspect of the present invention, the supporting member comprises a holding member for holding the half mirror, and a guide member for guiding the half mirror movably in the reciprocating direction via the holding member. It is characterized in that a stopper member is applied as a regulating member. According to the second aspect of the present invention, when the half mirror is moved from the storage position to the use position, the position of the half mirror in the advancing and retreating direction is regulated by the contact of the holding member with the stopper member. , The position of the half mirror in the forward and backward directions is automatically set.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of a half mirror support structure for a prompter according to the present invention will be described below in detail with reference to the accompanying drawings.

FIG. 1 shows a support 10 for a prompter to which a half mirror support structure according to an embodiment of the present invention is applied.
FIG. The support table 10 shown in FIG. 1 includes a prompter composed of a liquid crystal display device (display means) 12 and a half mirror 14, and an ENG camera 1 shown by a two-dot chain line in FIG.
6 is a support member for attaching the prompter system consisting of 6 to the camera platform 20 installed on the tripod 18. The support 10 is attached to the camera platform 20 via an attachment member 22 fixed to the lower surface of the support 10.

As shown in FIG. 2, the support 10 has a first support 24 formed in a frame shape and a second support 2 formed in a rectangular shape.
6 in a two-part structure. The liquid crystal display device 12 and the half mirror 1 shown in FIG.
The ENG camera 16 is mounted on the second support 26. The ENG camera 16 is composed of a camera body 29 having a shoulder rest portion 29A formed at a lower portion and an ENG lens 30, and the camera body 29 is provided on a predetermined portion of the second support 26 via an adapter member 28 shown in FIG. Mounted in position. The adapter member 28 has a structure capable of adjusting the position with respect to the second support 26, and by using this structure, the camera body 29 with respect to the second support 26 is used.
Is adjusted, the position of the ENG lens 30 with respect to the half mirror 14 in the front-rear and left-right directions is adjusted.

The liquid crystal display device 12 has a device main body 32 formed in a box shape as shown in FIG.
It is fixed to the lower part of the support 24. As shown in FIG. 2, a rectangular liquid crystal panel 34 is provided on the upper surface of the apparatus main body 32, and the liquid crystal panel 34 has a display surface facing upward through a rectangular opening 25 formed in the first support 24. It is attached in the state where it turned.

A video input terminal 36 is provided on a side surface of the device main body 32 of the liquid crystal display device 12, as shown in FIG. The video input terminal 36 is connected to a video output terminal 40 of the camera body 29 via a cable 38. The broadcast manuscript is placed in front of the half mirror 14 in advance.
The image is captured by the camera body 29 via the NG lens 30.
As a result, a video signal indicating the image of the broadcast document is input from the video output terminal 40 to the liquid crystal display device 12, and the video signal is stored in the image memory by the image processing device built in the liquid crystal display device 12, and is stored in the image memory. The image of the broadcast manuscript is displayed on the liquid crystal panel 34. The document image displayed on the liquid crystal panel 34 is reflected by the half mirror 14 to the upper left side in FIG. The apparatus main body 32 is provided with a power source connector, an editing remote controller connector, a power switch, and the like, in addition to the video input terminal 36. Therefore, when the power switch is turned on, the liquid crystal display device 12 is activated by the power supplied from the power supply unit via the power source connector. Then, the document image is displayed on the liquid crystal panel 34, and
Remote control is performed by a remote control signal from a remote control operation unit output via the edit remote control connector. The content of the remote operation is switching of a display image, and the remote operation is performed by a newscaster that reads a document image.

Next, the half mirror support structure according to the present embodiment will be described. The half mirror 14 is shown in FIGS.
As shown in (1), the pair of poles (guide members) 42, 42 erected on the first support base 24 are vertically movably supported. The pair of poles 42, 42 are fixed to ears 24A, 24A integrally formed on the first support 24 as shown in FIG. 3, and the poles 42, 42 move the half mirror 14 up and down (half). Sleeve (holding member) 4 for moving mirror 14 forward and backward with respect to liquid crystal panel 34
4 is fitted into the pole 42 so as to be vertically movable. As shown in FIG. 4, a slit 46 is formed in the sleeve 44 in parallel with the axial direction of the sleeve 44. A pair of ears 47, 47 formed on both sides of the slit 46 are provided with a lever 48.
Is screwed into the screw rod 50 on which is formed. Therefore, when the screw rod 50 is rotated by the lever 48 in the fastening direction, the width of the slit 46 becomes narrower, so that the sleeve 44
Is pressed against the pole 42 and fixed.

The sleeve 44 includes a sleeve 4
4, a sleeve (holding member) 52 having a smaller diameter than that of the sleeve 4 is integrally formed. The sleeve 52 is formed in a direction perpendicular to the sleeve 44, and a shaft 56 of a bracket 54 formed in a substantially oval shape is rotatably fitted therein. The brackets 54 are attached to both side surfaces of a box-shaped casing 58 to which the half mirror 14 of FIG. 1 is fixed. As a result, the half mirror 14 is rotated about the axis 56,
It is rotated in the range between the use position (inclination angle 45 °) in FIG. 1 and the storage position (inclination angle 0 °) shown in FIGS. Further, a stopper pin 60 for setting the half mirror 14 to the use position in FIG. 1 is projected from the bracket 54 in FIG. 4, and a stopper plate 62 to which the stopper pin 60 abuts is provided on a side surface of the sleeve 52. The projection is formed.
As the half mirror 14 is rotated from the storage position to the use position, the stopper pin 60 moves clockwise about the shaft 56 as shown in FIG. Then, when the half mirror 14 is rotated (inclined) by 45 °, the stopper pin 60 comes into contact with the stopper plate 62, and the subsequent rotation is restricted. As a result, the half mirror 14 is automatically set to the use position at an inclination angle of 45 °.

As with the sleeve 44, the sleeve 52 is formed with a slit 64 as shown in FIG. 4, and a pair of ears 65 formed on both sides of the slit 64 is formed with a lever 66. The screw rod 68 is screwed. Accordingly, when the screw rod 68 is rotated in the fastening direction by the lever 66, the width of the slit 64 is reduced, and the sleeve 52 is pressed against the shaft 56 and fixed. This allows
The half mirror 14 is fixed at the use position or the storage position.

On the other hand, a stopper ring (stopper member as a regulating member) 70 is fitted into the upper portion of the pole 42. When the upper portion of the sleeve 44 abuts on the lower portion of the stopper ring 70, the height position of the sleeve 44,
That is, the height position of the half mirror 14 with respect to the liquid crystal panel 34 is determined. The stopper ring 70 is also formed with a slit 72 similarly to the sleeves 44 and 52, and a pair of ears 73 and 7 formed on both sides of the slit 72.
A screw 74 is screwed into 3. Therefore, when the screw 74 is tightened, the width of the slit 72 becomes narrower.
The stopper ring 70 is pressed against and fixed to the pawl 42. As a result, the half mirror 14 is raised to the height of the use position regulated by the stopper ring 70.

The height position of the half mirror 14 is set by the height position of the ENG lens 30 when the ENG camera 16 is mounted on the second support 26. Therefore, when the same ENG camera 16 is used, the height position is constant, and if the stopper ring 70 is fixed to the pole 42 at a position corresponding to that position, the half mirror 14 can be moved from the storage position. When raising to the use position, there is no need to adjust the height position each time, and it is set automatically. Therefore, the labor for adjusting the height position of the half mirror 14 can be saved.

As shown in FIG. 2, the first support 24 and the second support 26 constituting the support 10 are composed of a pair of holding plates 76, 76.
Are linked by The holding plates 76, 76 are mounted on the first support base 24 by screws 80 provided with a lever 78 as shown in FIG. The holding plate 82 is formed with a holding piece 82 for clamping and holding the second support table 26 between the first support table 24 and the second support table 26. A guide surface 84 is formed to guide slidably along the longitudinal direction. Therefore, when the screw 80 is loosened, the holding force of the holding plate 76 and the first support table 24 is released from the second support table 26, and the second support table 26 is moved along the guide surface 84 in the longitudinal direction of the second support table 26. Can be slid.

On the lower surface of the second support 26, a guide groove 86 indicated by a broken line in FIG. 2 is formed along the longitudinal direction of the second support 26. A pair of guide pins 88 and 90 projecting from the first support 24 are engaged with the guide grooves 86. As for the guide pin 88, the support base 10 is shown in FIGS.
The upper left end portion 86 of the guide groove 86 in FIG.
A is abutted. Thereby, the sliding of the second support 26 to the right in FIG. 2 with respect to the first support 24 is restricted, and the support 10 is held in the used state, and
The detachment of the second support 26 from the support 24 is also prevented.

On the other hand, the guide pin 90 comes into contact with the upper right end portion 86B of the guide groove 86 in FIG. 2 when the support base 10 is in the superimposed state of FIGS. Thereby, the sliding of the second support 26 to the left in FIG. 6 with respect to the first support 24 is restricted, and the first support 24 and the second support 26 are held in an overlapped state. At the same time, the second support 26 is prevented from coming off from the first support 24.

In the superimposed state, the tip 26A of the second support 26 is connected to the first support 2 as shown in FIGS.
4 is located at a position protruding forward by a predetermined amount. Further, the rear end 26B of the second support 26 is located at a position protruding a predetermined amount behind the first support 24 as shown in FIG. As shown in FIG. 6, the protrusion amount of the second support stand 26 relative to the first support stand 24 is set to be substantially the same for both the front end portion 26A and the rear end portion 26B. The center of gravity of the second support 26 substantially coincides with the center of gravity of the liquid crystal display device 12 and the center of gravity of the half mirror 14. Thus, the support base 10 can be carried in a well-balanced manner by gripping the handle 15 provided at the center of the side surface of the first support base 24.

Mirror supporters 92, 92 are fixed to the tip 26A of the second support 26, and the upper end 58A of the casing 58 of the half mirror 14 is mounted on the mirror supporters 92, 92. Also, the mirror supporter 92,
A lock 94 is provided on the distal end portion 26A adjacent to the base 92. The lock 94 is engaged with a claw (not shown) provided on an upper end 58A of the casing 58, and
The rotation of is regulated. As a result, the half mirror 14 is held at the storage position.

In the prompter system shown in FIG. 1, the optical path of the original image formed between the liquid crystal display device 12 and the half mirror 14 is surrounded by a black light shielding cover 100 shown by a two-dot chain line in FIG. , Half mirror 14
The original image reflected on the screen is clearly displayed on a newscaster. In addition, due to the characteristics of the transmission type liquid crystal panel 34, if external light enters the liquid crystal panel 34, the displayed original image becomes difficult to see. Therefore, in order to prevent external light from entering as much as possible, the two-dot chain line in FIG. A light-shielding flag 102 is provided on the light-shielding cover 100 continuously.

Next, the operation of the half-mirror support structure configured as described above will be described.

The case where the half mirror 14 is moved from the storage position shown in FIG. 5 to the use position shown in FIG. 1 will be described. First, the lock of the casing 58 by the lock 94 is released.

Next, the screw rod 5 shown in FIG.
By turning 0 in the loosening direction, the width of the slit 46 of the sleeve 44 is increased, and the fixing of the sleeve 44 to the pawl 42 is released. As a result, the half mirror 14 is
After that, the half mirror 14 is moved up toward the use position.

As the half mirror 14 is raised, the upper portion of the sleeve 44 comes into contact with the lower portion of the stopper ring 70, whereby the height position of the half mirror 14 is automatically set. Then, the threaded rod 50 is turned by the lever 48 in the direction of fastening, and the sleeve 44 is
Fix to 2. By this operation, the half mirror 14 is fixed at an appropriate height. At this time, the inclination angle of the half mirror 14 is 0 °.

Next, the inclination angle of the half mirror 14 is set to 45
When setting to °, first, the lever 66 shown in FIG.
Is turned in the loosening direction to widen the slot 64 of the sleeve 52 and release the fixing of the sleeve 52 to the shaft 56. As a result, the half mirror 14
6, the half mirror 14 is thereafter rotated to the use position, the inclination angle of 45 °.

When the half mirror 14 is rotated to a tilt angle of 45 °, a stopper pin 60 provided on the bracket 54 in FIG. 4 comes into contact with a stopper plate 62, whereby the half mirror 14 is used at a tilt angle of 45 °. Automatically set to position. Thereafter, the threaded rod 68 is turned by the lever 66 in the direction in which the screw rod 68 is fastened.
Fixed to. By the above operation, the half mirror 14 is fixed at the use position in FIG.

When the half mirror 14 is moved from the use position to the storage position, an operation reverse to the above operation may be performed.

As described above, according to the half mirror support structure of the present embodiment, the stopper ring 70 that regulates the position of the half mirror 14 in the vertical direction is provided on the pole 42 that supports the half mirror 14 movably in the vertical direction. Is provided, labor for adjusting the position of the half mirror 14 in the vertical direction can be saved.

In the present embodiment, the stopper ring 70 is used as the stopper member, but the present invention is not limited to this. That is, any stopper member that sets the height position of the sleeve 44 with respect to the pole 42 may be used. For example, a number of screw holes are formed on the side surface of the pole 42 along the axial direction of the pole 42, and the height of the half mirror 14 is adjusted. The height position of the half mirror 14 may be regulated by screwing a bolt into a screw hole at a position corresponding to the height position, and bringing the sleeve 44 into contact with the bolt.

[0034]

As described above, according to the half mirror supporting structure of the prompter according to the present invention, the supporting member for supporting the half mirror movably in the reciprocating direction with respect to the display means is provided with the half mirror in the reciprocating direction. Since the regulating member for regulating the position is provided, the position of the half mirror in the reciprocating direction is automatically set only by moving the half mirror from the storage position to the use position. Therefore, the present invention can save time and effort for adjusting the position of the half mirror.

[Brief description of the drawings]

FIG. 1 is a front view of a supporter for a prompter to which a half mirror support structure according to an embodiment is applied.

FIG. 2 is a plan view of a supporter for a prompter shown in FIG. 1;

FIG. 3 is a perspective view of a supporter for a prompter shown in FIG. 1;

FIG. 4 is an enlarged perspective view of a main part showing a configuration of a half mirror height adjusting structure of a prompter.

FIG. 5 is a perspective view of a support table showing a state in which a half mirror is folded.

FIG. 6 is a front view of the support table shown in FIG. 5;

FIG. 7 is an explanatory view of the operation of the tilt angle adjusting structure of the half mirror.

FIG. 8 is a sectional view of the second supporter, taken along line 8-8 in FIG. 2;

FIG. 9 is a perspective view showing a state where the second support is superimposed on the first support.

[Explanation of symbols]

10: Prompter support stand, 12: Liquid crystal display device, 1
4. Half mirror, 16 ENG camera, 24 first support, 26 second support, 30 ENG lens, 34
Liquid crystal panel, 42 ... pole, 44, 52 ... sleeve, 7
0: Stopper ring, 92: Mirror supporter

Claims (2)

[Claims] 1. A prompter provided with a half mirror for reflecting an image displayed on a display means in a predetermined direction, wherein the half mirror is supported at a predetermined inclination angle with respect to the display means while supporting the half mirror. The support member for adjusting the position in the forward / backward direction is provided with a regulating member for regulating the position of the half mirror in the forward / backward direction. 2. The supporting member includes a holding member that holds the half mirror, and a guide member that fits the holding member and guides the half mirror movably in the advance / retreat direction via the holding member. The restriction member is a stopper member that is provided on the guide member and that is in contact with a holding member when the half mirror moves in the reciprocating direction to restrict the position of the half mirror in the reciprocating direction. The half mirror support structure of the prompter described.