JPH11101931A - Light shielding structure for promptor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make the video of data reflected on a half mirror easy-to-view by arranging a light shielding cover at the outside and the inside of an insertion port for a photographing lens formed at a promptor main body and preventing external light from being made incident on the half mirror. SOLUTION: The light shielding cover 32 is arranged at the outside of the insertion port for a photographing lens 30 of the promptor main body 12. Besides, the light shielding cover 40 is arranged at the inside of the port 30. By two covers 32 and 40, the external light is prevented from being made incident on the half mirror 16. Thus, this promptor is constituted so that the video of the data reflected on the mirror 16 is made easy-to-view.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a light shielding structure of a prompter, and more particularly to a light shielding structure of a prompter used in a television broadcasting station.

[0002]

2. Description of the Related Art A television camera prompter used in a television broadcasting station is a device for showing a required manuscript image to a subject such as a newscaster, a moderator and a performer. A half mirror is arranged in front, and a display device is provided below the half mirror. The display device displays an image of a document photographed by a video camera.

[0003] The above-mentioned prompter is used together with a television camera by inserting a front part of a photographing lens of a television camera into an insertion opening for a photography lens formed in a main body of the prompter, and an insertion opening is provided outside the insertion opening. A light-shielding cover that covers a gap between the camera and the taking lens is attached.
The light shielding cover shields external light, thereby preventing external light from entering the half mirror through the insertion opening.

[0004]

However, in the conventional prompter, even if the light-shielding cover is provided, there is a gap in the light-shielding cover due to the cable coming out from the lower part of the light-shielding cover and the complicated shape of the lens drive unit. Therefore, a sufficient light-shielding effect cannot be obtained only with the light-shielding cover. As a result, a part of the external light leaked from the gap between the light-shielding cover and the photographing lens enters the half mirror via the insertion port, and there is a disadvantage that the image of the material displayed on the half mirror becomes difficult to see. .

The present invention has been made in view of the above circumstances, and has as its object to provide a light-shielding structure of a prompter in which external light is surely prevented from being incident on a half mirror to make it easier to view an image of a material. And

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a prompter body having an insertion opening into which a photographing lens of a television camera is inserted, a broadcast manuscript provided on the prompter body, and the like. Display means for displaying the material, and a half mirror provided on the prompter main body and provided in front of the shooting lens of the television camera and reflecting the image of the material displayed on the display means in front of the shooting lens. In the provided prompter, a light-shielding cover is provided outside and inside the insertion opening formed in the prompter main body to cover a gap between the insertion opening and the photographing lens.

According to the present invention, the light-shielding covers attached to the insertion opening for the photographing lens of the prompter main body are arranged on both the outside and the inside of the insertion opening to prevent external light from being incident on the half mirror. Because the two light shielding covers prevent the image, the image of the material becomes easy to see.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the light-shielding structure of a prompter according to the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 is a sectional view of a prompter 10 according to an embodiment of the present invention. Prompter 10 shown in FIG.
Is an LCD 1 which is a display device on the prompter main body 12.
4 and a half mirror 16 are provided.
The prompter main body 12 is formed in a box shape having an open left side in FIG. 1. The LCD 14 is fixed to a bottom surface 12A of the prompter 12, and the half mirror 16 is provided above the LCD 14 with a display surface of the LCD 14. Are provided at an angle of 45 °.

The LCD 14 displays an image such as a character, and a driving pulse from a liquid crystal panel driving circuit (not shown) is applied to each liquid crystal cell constituting the LCD 14. The liquid crystal panel driving circuit generates a driving pulse based on a video signal input via the cable 17 and outputs the driving pulse to each liquid crystal cell, and causes the LCD 14 to display an image of a news manuscript (material) such as characters. The displayed image is reflected by the half mirror 16 toward a newscaster (not shown). In the present embodiment, the LCD 14 is applied as a display device. However, the present invention is not limited to this, and another display device such as a CRT may be applied.

The prompter 10 is a television camera 1
8 together with the pan head 20. The head 20 has a swivel device 22, and a crank-shaped mounting table 26 is fixed on a rotating shaft 24 of the swiveling device 22, and the prompter 10 and the television camera 18 are mounted on the mounting table 26. . Therefore, by operating the camera platform 20, the prompter 10 and the television camera 18 can be panned in a desired direction.

Incidentally, an insertion opening 30 is formed in the rear surface 12B of the prompter main body 12. The insertion port 30 is an insertion port into which the front part of the photographing lens 28 of the television camera 18 is inserted, and is a large-sized photographing lens 2.
8 has a large diameter so that it can be inserted. A light-shielding cover 32 made of black cloth is attached to the outside of the insertion opening 30. The light-shielding cover 32 is formed in a tubular shape, and is fixed to the outside of the rear surface 12 </ b> B of the prompter main body 12 so that the upper left opening edge of the light-shielding cover 32 in FIG. The upper right opening 34 in FIG. 2 of the light-shielding cover 32 is formed to have a size into which the photographing lens 28 is inserted, and a string 36 is attached to the periphery thereof. If the opening 34 is contracted by tying the string 36, the light-shielding cover 32 can be fixed to the photographing lens 28. Note that a rubber band or a spring may be used instead of the string 36. In FIG. 1, reference numeral 38 denotes a lens driving unit. The lens driving unit 38 includes a focus lens and a zoom lens (not shown) of the photographing lens 28 based on a driving signal transmitted from the television camera 18 via a cable 39. , And drive the iris.

On the other hand, a light-shielding cover 40 made of black cloth is attached inside the insertion opening 30. The light-shielding cover 40 is also formed in a cylindrical shape similarly to the light-shielding cover 32 described above, and the rear surface 1 of the prompter main body 12 is so arranged that the right opening edge of the light-shielding cover 40 in FIG.
It is fixed inside 2B. The upper left opening 42 in FIG. 2 of the light shielding cover 40 is formed to have a size that allows the front part of the photographing lens 28 to be inserted. Note that a string may also be provided in the opening 42 and the light shielding cover 40 may be fixed to the photographing lens 28 by tying the string and contracting the opening 42.
Further, a rubber band or a spring may be applied instead of the string. Thereby, the light shielding effect is improved. Further, the light shielding cover 4
0 may be made of paper.

According to the prompter 10 configured as described above, the news manuscript is displayed on the LCD 14, and the displayed image of the news manuscript is reflected by the half mirror 16 toward the news caster. The newscaster gives news commentary while watching the video of the material reflected by the half mirror 16. When the prompter 10 is used, external light that enters the prompter main body 12 from the insertion port 30 is shielded by the outer light-shielding cover 32, but external light that cannot be completely shielded by the light-shielding cover 32 is transmitted from the insertion port 30 to the prompter main body 12. Even if the light enters the light-shielding member 12, the external light is shielded by the inner light-shielding cover 40. Therefore, in the present embodiment, since external light can be reliably prevented from entering the half mirror 16, the newscaster can provide news commentary while watching clear material images.

FIGS. 3 and 4 show a light-shielding cover unit 50 fixed to the prompter main body 12. FIG.
The light-shielding cover unit 50 shown in FIG. 4 has a rectangular plate 52 fixed to an opening 12C formed on the rear surface 12B of the prompter main body 12, and an insertion part in which the photographing lens 28 is inserted into the center of the plate 52. A mouth 30A is formed. A light-shielding cover 32A made of black cloth is attached to the upper right surface of the plate 52 in FIG. The light-shielding cover 32A is formed in a cylindrical shape, and is fixed to the plate 52 so that the upper left opening edge in FIG. 4 covers the insertion opening 30A. The upper right opening 34A in FIG. 4 of the light-shielding cover 32A is formed to have a size into which the photographing lens 28 is inserted, and a string 36 is attached around the opening. A rubber band or a spring may be used instead of the string 36.

On the other hand, on the left side of the plate 52 in FIG.
A black light-shielding cover 40A made of cloth is attached. The light-shielding cover 40A is also formed in a tubular shape, and is fixed to the plate 52 so that the upper right opening edge in FIG. 4 covers the insertion opening 30A. The upper left opening 42A in FIG. 4 of the light-shielding cover 40A is formed to have a size through which the front part of the photographing lens 28 can be inserted, and a rubber band (not shown) is attached around the periphery.

As described above, the light shielding covers 32A and 40A are attached to the plate 52 to form a unit.
2 as shown in FIG.
If the light-shielding covers 32A and 40A can be easily attached to the prompter main body 12 by fixing the light-shielding covers 32A and B to the prompter main body 12.

[0017]

As described above, according to the light-shielding structure of the prompter according to the present invention, the light-shielding covers provided on the shooting lens insertion opening of the prompter main body are provided on both the outside and the inside of the insertion opening, Since the outside light is prevented from being incident on the mirror by the two light shielding covers, the image of the document can be easily viewed.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a prompter according to an embodiment of the present invention.

FIG. 2 is an enlarged view of two light shielding covers shown in FIG. 1;

FIG. 3 is a perspective view of a light-shielding cover unit of the prompter.

FIG. 4 is a cross-sectional view showing a mounting form of the light shielding cover unit shown in FIG. 3;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Prompter 12 ... Prompter main body 14 ... LCD 16 ... Half mirror 18 ... Television camera 28 ... Shooting lens 30, 30A ... Shooting lens insertion opening 32, 32A ... Outer light shielding cover 40, 40A ... Inner light shielding cover 50 ... Light shielding Cover unit 52 ... Plate

Claims (1)

[Claims] 1. A prompter main body having an insertion opening into which a photographing lens of a television camera is inserted, provided on the prompter main body, a display means for displaying materials such as a broadcast manuscript, and provided on the prompter main body. A half mirror provided in front of the taking lens of the television camera and reflecting the image of the material displayed on the display means in front of the taking lens, wherein the insertion port formed in the main body of the prompter is provided. A light-shielding cover for covering a gap between the insertion opening and the photographing lens is provided on the outside and inside of the lens.