JP3749581B2 - Prompter remote control device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a configuration of a remote control device for performing a display operation of a prompter that displays an original read by a news caster or the like.
[0002]
[Prior art]
The prompter device is arranged near the TV camera to display the manuscripts required for newscasters, etc. As this type of prompter, it can be used for direct viewing of the display part and through a half mirror. Some of them can be used for both viewing and viewing.
[0003]
FIG. 4 shows an indicator of such a prompter device. The indicator 1 shown in the figure is fixed to a television camera or the like by a support member 2. A liquid crystal panel (LCD) 3 for displaying a document or the like is provided on the front of the display 1. A light receiving unit 4 for the front position of the remote control device is disposed above the front surface, and a half mirror is disposed on the top surface. A light receiving unit 5 is arranged. On the other hand, the remote control operation unit 6 is provided with a light emitting unit 7 that emits an optical signal such as infrared light. The light signal output from the light emitting unit 7 is received by the light receiving unit 4 or 5.
[0004]
FIG. 5 shows two usage states of the prompter display 1. FIG. 5A shows a state where the front position is arranged, and FIG. 5B shows a state where the half mirror is used (mirror position). is there. In the front position use state of FIG. (A), as shown in the figure, the display unit 1 is arranged above the lens unit 8 of the TV camera, and the optical signal from the remote control operation unit 6 is as indicated by an arrow 101. Light is received by the front light receiving unit 4.
[0005]
Moreover, in the mirror position use state of FIG. (B), the half mirror 9 is attached to the display 1 etc. in the state arrange | positioned to the front side of the lens part 8, In this case, an optical signal is as shown by arrow 101. The light is received by the light receiving portion 5 on the upper surface. In this manner, according to the operation of the remote controller 6, it is possible to perform document display control, such as page turning, vertical or horizontal scrolling, and the like.
[0006]
[Problems to be solved by the invention]
However, in the conventional prompter remote control device, as shown in FIG. 5B, the optical signal from the remote control operation unit 6 is reflected by the half mirror 9 as indicated by an arrow 102, and the light receiving unit on the front side. 4 has a problem of causing malfunction by receiving light. That is, when an optical signal such as infrared light is reflected by the half mirror 9, the intensity of the optical signal is reduced and the signal frequency is shifted to a lower side, so that the control information is not accurately transmitted to the display 1. There is.
[0007]
As shown in FIG. 5, the provision of the two light receiving parts 4 and 5 is originally intended to avoid the above-described malfunction due to a decrease in intensity or a frequency shift. Even if 5 is provided, an optical signal reflected from the half mirror 9 may be mixed in addition to the optical signal received directly, resulting in malfunction.
[0008]
Moreover, since the two light receiving portions 4 and 5 are arranged on the display 1 as described above, there is a problem in that the structure is wasteful and the manufacturing cost cannot be reduced.
[0009]
The present invention has been made in view of the above problems, and an object of the present invention is to eliminate a malfunction caused by receiving an optical signal at two locations, simplify the structure, and reduce the cost. Is to provide.
[0010]
[Means for Solving the Problems]
In order to achieve the above object, the invention according to the first aspect includes a display unit disposed at a front position where the display surface directly faces the viewer and a mirror side position facing the viewer via the half mirror. A prompter remote control device comprising: a remote control operation unit that outputs an optical signal; a light receiving unit that is disposed on a display surface side of the display unit and that receives output light from the remote control operation unit; and the display unit When the display surface is arranged at the mirror side position, it is removed, and when the display surface is arranged at the front position, the display surface is arranged on the front side of the light receiving unit. And a filter for converting the light into the same light as the intensity reduction and frequency shift of the optical signal when the half mirror is used .
The invention according to a second aspect is characterized in that a hood is detachably attached to the front side of the display unit, and the filter is disposed on the hood.
[0011]
According to said structure, ND filter etc. which convert into light equivalent to the half mirror reflected light which produced the intensity | strength fall and the frequency shift are provided in the hood, and this hood is concerned when the display unit is used in the front position. It is attached to the display unit. On the other hand, when the display unit is used at the mirror side position, the hood is removed and a half mirror is attached to the display unit. Accordingly, only one optical signal reflected by the half mirror or an optical signal equivalent thereto is supplied to one light receiving portion arranged on the display surface side, and malfunction can be eliminated.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
FIGS. 1 to 3 show a prompter display and a television camera to which the remote control device according to the embodiment is applied. As shown in FIGS. 2 and 3, the display (display unit) 11 is supported and fixed to the television camera 13 by a support member 12 as in the prior art, and the display 11 is shown in FIG. 1. As described above, a liquid crystal panel (LCD) 14 for displaying a document or the like is provided on the front side. Further, only one infrared light receiving unit 15 of the remote control device is disposed on the upper side of the liquid crystal panel 14.
[0013]
The display 11 is provided with a hood 17 that can be freely attached and detached. For example, the engaging groove 18A on the hood 17 side is engaged with the screw portion 18B on the display 11 side and fixed with screws (various structures are available). The hood 17 can be attached to and detached from the display 11. Then, an ND (Neutral Density Filter) filter 20 is attached to the front side of the light receiving unit 15 in the hood 17. The ND filter 20 is a filter that can perform optical conversion equivalent to a decrease in the intensity of an optical signal and a frequency shift when a half mirror described later is used.
[0014]
FIG. 2 shows a state in which the display 11 is used at the front position. In this case, the display 11 to which the hood 17 of FIG. 1 is attached is a lens of the TV camera 13 as shown in the figure. Arranged above the portion 21. According to this, the optical signal from the remote control operation unit reaches the light receiving unit 15 through the ND filter 20 as indicated by an arrow 101, and this optical signal is the same signal as when a half mirror is used. Is received by the light receiving unit 15.
[0015]
FIG. 3 shows a state where the display 11 is used using a half mirror. As shown in FIG. 3, the half mirror 22 is held by, for example, a support plate 23, and if the support plate 23 is attached to the front side of the display device 11, the half mirror 22 is disposed at an inclination of 45 degrees with respect to the liquid crystal panel 14. It has come to be. The support plate 23 is provided with a light shield 24 and the like so as to surround the periphery of the half mirror 22.
[0016]
According to the above configuration, the image on the liquid crystal panel 14 of the display 11 is projected on the half mirror 22, and a news caster or the like is captured by the television camera 13 through the half mirror 22. In the case of this arrangement, there is an advantage that the line of sight of a news caster or the like can be made coincident with the optical axis of the lens unit 21 as compared with the front position of FIG. Then, the optical signal from the remote control operation unit is reflected by the half mirror 22 as indicated by an arrow 102 and reaches the light receiving unit 15, whereby the document is turned and scrolled.
[0017]
As described above, in this example, the optical signal reflected by the half mirror 22 and the optical signal equivalent to the mirror reflected signal are supplied to the single light receiving unit 15 after being converted by the ND filter 20. Accordingly, as shown in FIG. 5, it is possible to eliminate malfunctions caused by providing both the optical signal and the mirror reflected signal directly from the remote control operation unit to the two light receiving units (4, 5). It becomes.
[0018]
In the above embodiment, the ND filter 20 is used as a filter that converts the light into the light equivalent to the reflected light of the half mirror 22. However, other filters can achieve intensity reduction and frequency shift caused by the half mirror 22. Can be used. Moreover, although the example which attaches this ND filter 20 to the hood 17 which can be attached or detached was shown, you may make it attach this ND filter 20 to the display 11 independently so that attachment or detachment is possible.
[0019]
【The invention's effect】
As described above, according to the first aspect of the present invention, only one light receiving portion of the remote control device is arranged on the display surface side of the display portion, and the optical signal is converted to light equivalent to the reflected light of the half mirror. A filter for conversion is provided, and this filter is not arranged when the display unit uses a half mirror, but is arranged at the front side of the light receiving unit when the display unit is used at the front position. It is possible to eliminate malfunction caused by receiving signals at two points, and the structure is simplified, and the cost of the apparatus can be reduced.
[0020]
According to the second aspect of the present invention, since the hood is detachably attached to the front side of the display unit and the filter is disposed on the hood, the filter is disposed at a predetermined position of the display unit simply by attaching the hood. There is an advantage that the filter can be easily installed.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a configuration of a display portion of a prompter to which a remote control device according to an embodiment of the present invention is applied.
FIG. 2 is a side view of the front position use state in which a hood is attached to the display of FIG. 1;
FIG. 3 is a side view of the mirror position used state in which a half mirror is attached to the display of FIG.
FIG. 4 is a perspective view showing a conventional prompter display and remote control device.
5A and 5B show a usage state of the display of FIG. 4, in which FIG. 5A is a front position use state, and FIG. 5B is a side view showing a mirror position use state.
[Explanation of symbols]
1,11 ... display,
3, 14 ... Liquid crystal panel,
4, 5, 15 ... light receiving part,
6 ... Remote control operation part,
9, 22 ... half mirror,
13… TV camera,
17 ... food,
20: ND filter.

Claims (2)

A prompter remote control device configured to include a display unit arranged at a front position where the display surface directly faces the viewer and a mirror side position facing the viewer via the half mirror,
A remote control unit for outputting optical signals;
A light receiving portion that is disposed on the display surface side of the display portion and receives output light from the remote control operation portion;
When the display surface of the display unit is disposed at the mirror side position, the display surface is removed, and when the display surface is disposed at the front position, the display surface is disposed in front of the light receiving unit. A prompter remote control device, comprising: a filter for converting output light into light equivalent to a reduction in optical signal intensity and frequency shift when a half mirror is used .   2. The remote control device for a prompter according to claim 1, wherein a hood is detachably attached to the front side of the display unit, and the filter is disposed on the hood.

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