JPH10276355A - Portable remote controller for television camera - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent mis-operation of the television camera in darkness. SOLUTION: In the case that a light emission drive switch 7 is depressed, a light emission control circuit detects it and applies a voltage to a facial illuminant, which emits light. The light emitted from the facial illuminant lights uniformly an entire rear side of an operation panel 3 such as void characters 51 of 'zoom adjustment SW' denoting a name of a control switch 5a and void characters 55 of 'ON' displayed at ON position of the control switch 5a. The operator views all characters of the operation panel 3, and when the operator desires to control, e.g. a zoom function of the television camera, the operator finds out characters of 'zoom adjustment SW', turns on the control switch 5a and operates a corresponding variable resistor 6a. A television camera control circuit generates a zoom control signal and transmits it to the television camera. Thus, desired control is applied to the zoom function.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable remote control device for a television camera device, and more particularly to a portable remote control device for a television camera device suitable for remotely controlling a high-sensitivity television camera in darkness. About.

[0002]

2. Description of the Related Art Television cameras are often used outdoors, and particularly high-sensitivity television cameras are frequently used at night. However, in the dark, the operator controls the television camera remotely by operating a remote control at hand,
For example, when operating the zoom function or color tone adjustment function,
Since it is difficult to read the names, ON / OFF states, and the like of the various control switches written on the operation surface of the remote controller, the operation has been hindered. Therefore, in order to solve such inconvenience, as described in Japanese Utility Model Application Laid-Open No. 6-38374, a character display indicating the type of control signal transmitted to the television camera is displayed using a light emitting body such as an LED. There has been proposed a remote control for a television camera configured to be easy to perform and identify.

[0003]

However, in the remote controller described in the above-mentioned publication, since a large number of LEDs are used for each display, there is a disadvantage that a circuit for switching becomes complicated. Further, there is no display of a function that is not currently in the operating state, and the function that is not in the operating state cannot be grasped unless control is performed. Therefore, there is a problem that it is difficult to predict the operating state after the control. Also,
Since the display of the name of each control switch does not emit light, there is a disadvantage that it takes time and effort to find a target control switch.

The present invention has been made in view of the above circumstances, and provides a portable remote control device of a television camera device capable of operating various control switches reliably even in the dark to perform desired control without fail. It is intended to be.

[0005]

According to one aspect of the present invention, there is provided a portable remote control device for a television camera device having various control switches on an operation surface. It has almost the same spread as the substantial spread,
A surface light emitter that emits light on the entire surface at the same time is provided on the back side of the operation surface, and the operation surface is illuminated from the back side by the surface light emitter, so that it is written near the various control switches on the operation surface. In addition, the switch is characterized in that it has a structure in which characters or symbol marks symbolizing the name of the switch, its function or its state can be visually recognized even in the dark.

According to a second aspect of the present invention, there is provided a portable remote control device for the television camera device according to the first aspect,
The operation surface is formed of an opaque plate, and the characters or symbol marks are written on the operation surface by hollowing the opaque plate into a desired shape.

According to a third aspect of the present invention, there is provided the portable remote control device for a television camera device according to the first or second aspect, wherein the surface illuminator is configured such that an operator operates a light emission drive switch. In addition to the light emission, the circuit is configured to emit light by operating the various control switches.

According to a fourth aspect of the present invention, there is provided a portable remote control device for the television camera device according to the third aspect,
The surface light emitter has a circuit configuration in which an operator operates the drive switch for light emission or the various control switches to emit light, and automatically extinguishes the light for a predetermined time after the start of light emission. And

The invention according to claim 5 is a portable remote control device for a television camera device according to claims 1, 2, 3 or 4, wherein the surface light emitter has an electroluminescence layer. It is characterized by becoming.

[0010]

According to the structure of the present invention, a single surface light emitter having substantially the same spread as the operation surface is disposed on the back side of the operation surface, and emitted from this surface light emitter. The light illuminates the operation surface evenly from behind, so that the names of switches, characters or symbols that symbolize their functions or their states, written near the various control switches on the operation surface, can be easily recognized even in the dark. can do. Therefore, various control switches can be operated reliably and smoothly, and the desired control can be performed without fail. Further, since the operation surface is collectively illuminated from the back side by the light emission of the single surface light emitter, a complicated circuit for switching is not required. Therefore, the number of parts is small, and the occurrence of failure is small.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. The description will be specifically made using an embodiment. FIG. 1 is a perspective view showing the configuration of a remote controller according to an embodiment of the present invention, FIG. 2 is a sectional view taken along the line AA in FIG. 1, and FIG. 3 is an enlarged view of a portion B in FIG. FIG. 4 is a block diagram showing an electrical configuration of the remote controller. As shown in FIGS. 1 and 2,
The remote controller 1 of this example is a controller suitable for remotely controlling a high-sensitivity television camera device in a dark place to operate a zoom adjustment function or a color tone adjustment function, for example. 2 Various switches are fitted on the front,
Further, a metal operation panel 3 in which characters are written corresponding to the respective switches is provided, and a surface light emitter 4 for illuminating the operation panel 3 from behind and an electronic circuit board (not shown) are accommodated therein. .

The operation panel 3 includes a control switch 5a for turning on / off transmission of various control signals such as a zoom control signal and a color tone control signal for controlling the television camera device.
, And control buttons 5a, 5b,..., And light emitting buttons 7 for causing the surface light emitters 4 to emit light. Also, as shown in FIG. 3, the portions immediately above the control switches 5a, 5b,... And the volumes 6a, 6b,... Of the operation panel 3 are, for example, "zoom adjustment SW", "color tone adjustment SW" and "zoom adjustment SW". Adjustment VO
L "," color tone adjustment VOL ", etc.
b,.. and volumes 6a, 6b,...
, And the hollow characters 61, 62,... Form the names. Similarly, for example, on the left side of the control switches 5a, 5b,.
However, at the position of OFF, the middle characters 56, 5 of "OFF"
6, ... are hollowed out.

The surface light emitter 4 is disposed on the back surface of the operation panel 3 and has a size substantially equal to that of the operation panel 3. For example, the surface light emitter 4 is used as an activator for ZnS (zinc sulfide) as a light emitting layer base material. It consists of an electroluminescent layer to which Mn has been added. The remote controller 1 is connected to a television camera device via a cable (not shown).

Next, the electrical configuration of the remote controller 1 of this embodiment will be described. As shown in FIG.
Are the surface light emitter 4 described above and the control switches 5a, 5b,
, Volume 6a, 6b, ..., light emission button 7,
When the depression of the light emission button 7 or the switching of the control switches 5a, 5b,... Is detected, a light emission control circuit 7 for applying a voltage of a predetermined magnitude and frequency to the surface light emitter 4 to cause the surface light emitter 4 to emit light; A television camera control circuit 8 for generating control signals such as a zoom control signal and a color tone control signal for controlling the camera device. Here, the light emission control circuit 7
Is a timer circuit for automatically stopping the light emission of the surface light emitter 4 after operating the light emission button 7 or the control switches 5a, 5b,. Has become.

For example, when controlling the television camera apparatus outdoors at night, first, when the light emission button 7 is pressed, the light emission control circuit 7 detects this and applies a voltage to the surface light emitter 4 to apply the voltage to the surface light emitter 4. 4 is caused to emit light. The light emitted from the surface light emitter 4 uniformly illuminates the entire back side of the operation panel 3, and, for example, a hollow character 51 of “zoom adjustment SW” indicating the name of the control switch 5 a on the operation panel 3, or a control switch It comes through the centered character 55 etc. of "ON" displayed at the ON position of 5a. The operator visually recognizes all the characters on the operation panel 3 and, for example, to control the zoom function of the television camera device, finds the character “zoom adjustment SW”,
The control switch 5a is turned on, and the corresponding volume 6a is further operated.

At the same time, the television camera control circuit 8 generates a zoom control signal and sends it to the television camera device. As a result, desired control of the zoom function is performed. Thereafter, when another type of control is to be performed, the next control switch is operated. Note that these control switches 5a, 5
When a few seconds elapse after the surface illuminator 4 is caused to emit light by operating the light emission button 7 and the light emission button 7, the light emission is automatically stopped.

According to the above configuration, the surface light emitter 4 is disposed on the back side of the operation panel 3. When the surface light emitter 4 emits light, for example, the names of the control switches 5a, 5b,. , And the control switch 5
a, 5b, etc., the hollow characters 55,
The characters can be visually recognized by looking at the light passing through from the back side through 55,..., And even in darkness, the operating state of the television camera device can be accurately grasped and the intended control can be performed. It can be done without mistake. In addition, since the light emitted from the surface light emitter 4 displays all the characters simultaneously with the same brightness, the display of the control that is not currently operating can be easily confirmed. Therefore, the control operation of the television camera device can be performed smoothly.

Further, the light emission of the single surface light emitter 4 causes
Since the display location is illuminated in a lump, a complicated circuit for switching is not required. Therefore, the number of parts is small, and the occurrence of failure is small. Further, when a few seconds elapse after the light emitting switch 7 or the control switches 5a, 5b,... Are operated to emit light, the light emission is automatically stopped. For example, the light sensitively reacts to light outdoors at night. In the case of photographing an animal or the like, by emitting light for a minimum time necessary for the operation, it is possible to prevent an unnecessary stimulus from affecting photographing.

Although the embodiment of the present invention has been described in detail with reference to the drawings, the specific configuration is not limited to this embodiment, and the design may be changed without departing from the scope of the present invention. Is also included in the present invention. For example, in the above-described embodiment, a case where a portion near a control switch of a metal operation panel is hollowed out in a shape of a character or a symbol mark and the name of the control switch or the like is described,
A resin opaque plate may be used as the operation panel.

Further, for example, a transparent plate may be used as a material of the operation panel, and a black paint may be applied to the transparent plate except for a character portion. In addition, characters and symbol marks are printed in black on a transparent plate, and light applied from the back side passes through transparent parts other than the places where the characters and symbol marks are printed so that the characters and symbol marks can be visually recognized. You may comprise.

Further, the electroluminescence layer of the surface light emitter 4 may be constituted by adding Tb, F or the like as an activator to ZnS of the light emitting layer base material instead of Mn. Further, the timer circuit provided in the light emission control circuit 7 may be omitted. In addition, although the case where the remote controller 1 is connected to the television camera device via the cable has been described, it may be wireless.

[0022]

As described above, according to the structure of the present invention, a single surface light emitter having substantially the same spread as that of the operation surface is disposed on the back side of the operation surface. ,
Since the light emitted from the surface illuminator uniformly illuminates the operation surface from the back side, the name of the switch, the function or the state of the switch, which is written in the vicinity of the various control switches on the operation surface, symbolizes the function or the state. Can be easily recognized even in the dark. Therefore, various control switches can be operated reliably and smoothly, and the desired control can be performed without fail. Further, since the operation surface is collectively illuminated from the back side by the light emission of the single surface light emitter, a complicated circuit for switching is not required. Therefore, the number of parts is small, and the occurrence of failure is small.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a configuration of a remote controller according to an embodiment of the present invention.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is a partially enlarged plan view showing a portion B of FIG. 1 in an enlarged manner.

FIG. 4 is a block diagram showing an electrical configuration of the remote controller.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Remote controller (portable remote control device of a television camera device) 3 Operation panel (operation surface) 4 Surface light emitter 5a, 5b Control switch 7 Light emission button (light emission drive switch) 51, 52, 55, 56, 61 62 hollow characters

Claims (5)

[Claims] 1. A portable remote control device of a television camera device having various control switches on an operation surface, wherein the surface light emitter has substantially the same extent as the operation surface and emits light simultaneously on the entire surface. Provided on the back side of the operation surface, when the operation surface is illuminated from behind by the surface light emitter, the name of the switch, its function or its function, written near the various control switches on the operation surface A portable remote control device for a television camera device, having a structure in which a character or a symbol mark symbolizing a state can be visually recognized even in darkness. 2. The method according to claim 1, wherein the operation surface is formed of an opaque plate, and the characters or the symbol marks are written on the operation surface by blanking the opaque plate into a desired shape. A portable remote control device for the television camera device according to claim 1. 3. The light emitting device according to claim 1, wherein the surface light emitter emits light when an operator operates a light emission drive switch, and also emits light when the operator operates the various control switches. Item 3. A portable remote control device for a television camera device according to item 1 or 2. 4. The surface light-emitting body is configured to emit light by an operator operating the light-emitting drive switch or the various control switches, and to automatically turn off light for a predetermined time after the start of light emission. The portable remote control device for a television camera device according to claim 3, wherein: 5. The device according to claim 1, wherein the surface light emitter has an electroluminescence layer.
Or a portable remote control device of the television camera device according to 4.