JPH0453108Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a control device used for remote control of various electronic devices, and in particular, the present invention relates to a control device used for remote control of various electronic devices, and in particular, a control device that transmits two systems of remote control signals, a wired remote control signal and a wireless remote control signal. The present invention relates to an improvement of a control device having a function of receiving a remote control signal, performing a control operation, and outputting the received remote control signal to the outside as a wired remote control signal.

[Summary of the idea]

The present invention is a control device that has a function of receiving two systems of remote control signals, a wired remote control signal and a wireless remote control signal, to perform control operations, and outputting the received remote control signals to the outside as a wired remote control signal. By installing a manually operated switch that prohibits reception of wireless remote control signals, it is possible to prevent malfunctions caused by wireless remote control signals when the control devices are connected in cascade. be.

[Conventional technology]

Conventionally, various electrical devices such as television receivers have been able to accept wireless remote control signals with carrier waves such as ultrasonic waves or infrared light to perform predetermined control operations so that they can be remotely controlled from a location far from the installation location. There are some that have a built-in control device that performs this.

In addition, when using a combination of various electronic devices, such as a video system that connects a television receiver and a monitor television receiver, remote control of the various electronic devices that make up the system is possible. control signal input section for inputting wireless remote control signals to the light receiving section, for example,
Since not all devices may be installed, it is possible to supply wired remote control signals from the main electronic device to various electronic devices and remotely control the various electronic devices via the main electronic device. Two types of wired remote control signal and wireless remote control signal can be used.
BACKGROUND ART Conventionally, control devices have been provided that have a function of receiving a system remote control signal, performing a control operation, and outputting the received remote control signal to the outside as a wired remote control signal.

For example, a television tuner 50 and a monitor television receiver 60 shown in the block diagram of FIG.
In the video system, the television tuner 50 controls a wired remote control signal given to the signal input terminal 51 or a wireless remote control signal received by the remote control receiver 53 via the light receiver 52. The unit 54 receives the remote control signal, controls the operation of the tuner unit 55 according to the remote control signal, and outputs the received remote control signal as a wired remote control signal from the signal output terminal 56. In the television receiver 60, the controller 64 receives a wired remote control signal applied to a signal input terminal 61 or a wireless remote control signal received by a remote control receiver 63 via a light receiver 62, and receives the remote control signal. The operation of the monitor unit 65 is controlled in accordance with this, and the received remote control signal is outputted from the signal output terminal 66 as a wired remote control signal for one frame.

Here, each of the control units 54 and 64 receives the wired remote control signal given to each signal input terminal 51 and 61 with priority over the wireless remote control signal received by each remote control reception unit 53 and 63. It's getting old. In addition, the monitor television receiver 6
The control section 64 of No. 0 also receives manual control signals from the operation section 67.

In the video system having the above-mentioned configuration, when the wireless remote control signal transmitted from the commander 70 is installed in a state where each remote control receiving section 53, 63 can receive it, the control shown by the dashed line in FIG. The television receiver 50 and the monitor television receiver 6 can be connected without connecting lines La and Lb.
0 can be individually remotely controlled by the commander 70, and when either one of the remote control receiving units 53, 63 is installed in a state where it cannot receive the wireless remote control signal,
For example, if the television tuner 50 is installed at a location away from the monitor television receiver 60, the control section 64 of the monitor television receiver 60 may be connected to the control section 54 of the television tuner 50. The television tuner 50 and the monitor television receiver 60 can be remotely controlled by the commander 70 by connecting the control line La so as to supply a wired remote control signal to the controller 70.

[Problem that the invention attempts to solve]

By the way, as mentioned above, the device has a function of receiving two systems of remote control signals, a wired remote control signal and a wireless remote control signal, and performing a control operation, as well as outputting the received remote control signal to the outside as a wired remote control signal. In the control device, for example, as shown in FIG.
When using 0B, 60C, and 60D in cascade connection, when performing on/off reversal control of the power of each electronic device using a wireless remote control signal, the wireless remote control signal that commands the on/off reversal control is continuous. If the wired remote control signal given by the upstream electronic device and the wireless remote control signal are transmitted, multiple on/off control operations will be performed, causing the even-numbered monitor television receiver 6 to
This will cause malfunctions in the control operations of 0B and 60D.

Therefore, in view of the above-mentioned conventional problems, the present invention has been developed to provide two types of signals: wired remote control signals and wireless remote control signals.
On/off reversal control is possible when using cascade-connected control devices that have the function of accepting system remote control signals and performing control operations, as well as outputting the received remote control signals to the outside as wired remote control signals. It is an object of the present invention to provide a control device with a novel configuration that prevents the above-mentioned malfunctions that occur when performing remote control and enables reliable remote control.

[Means for solving problems]

In order to achieve the above object, the control device according to the present invention includes two systems of remote control signal input means, a wired remote control signal and a wireless remote control signal, and a wired remote control signal and a wireless remote control signal that output the remote control signal. A control device that has a function of receiving two systems of remote control signals and performing control operations, and outputting the received remote control signals to the outside as wired remote control signals, and has two systems of remote control signal input. control means for performing a control operation by receiving a wired remote control signal input via the wired remote control signal with priority over a wireless remote control signal, and outputting the received remote control signal via the wired remote control signal outputting means; The present invention is characterized by the provision of a manually operated switch that prohibits the control means from receiving wireless remote control signals.

[Effect]

In the control device according to the present invention, when the control devices are used in a cascade connection, the wired remote control is controlled by operating the manual operation switch of the control device on the subsequent stage to prohibit the reception of wireless remote control signals by the control means. Control operations can be performed using only signals.

〔Example〕

Hereinafter, one embodiment of the control device according to the present invention will be described in detail with reference to the drawings.

The embodiment shown in FIGS. 1 to 4 is similar to the fifth embodiment described above.
The present invention is applied to a monitor television receiver in the video system shown in the figure, and the control device 10 in this embodiment is configured to input a wired remote control signal as shown in the block diagram of FIG. Two systems of remote control signal input means are provided: a signal input terminal (JACK) 11 and a remote control receiving section 12 that receives a wireless remote control signal transmitted from a commander (not shown). is connected to the first control input terminal 14A of the control unit 14 via the manually operated switch 13,
Further, the output terminal of the remote control receiving section 12 is connected to the second control input terminal 14B of the control section 14 via a second manual operation switch 15. The control unit 14 includes the first control input terminal 14A.
It is configured with a microprocessor that operates to select the first control input terminal 14A preferentially over the second control input terminal 14B when a control input is given to the first control input terminal 14B. 2
The operation of a monitor section (not shown) is controlled according to remote control signals given to control input terminals 14A and 14B of the , and the given remote control signal is transmitted to a signal output terminal (connected to the control output terminal 14C) for one frame. It is designed to output from 16.

Here, the remote control receiving section 12 includes a monitor television receiver body 2, as shown in FIG.
A power switch button 2 is located on the front surface 22A of one side of the frame-shaped bezzle 22 that hides the disabled screen of the CRT 21.
3 and various function key buttons 24, a wireless remote control signal transmitted from a commander (not shown) using infrared light as a carrier wave is input. Further, the first and second manual operation switches 1
3 and 15 are arranged on the back panel 30 of the monitor television receiver main body 20, together with the signal input terminal 11 and the signal output terminal 15, as shown in FIG.

A first manual operation switch 1 provided in a monitor television receiver in an embodiment configured as described above.
3 is the signal input terminal 11 and the signal output terminal 16
Both were connected to the signal output terminal and signal input terminal of the wired remote control signal of the television station (not shown) via connection cables, and the transmission path of the wired remote control signal became a closed loop, making it impossible to control. It is used to avoid an uncontrollable state by cutting off the wired remote control signal input line to the control unit 14.

Further, the control device 10 provided in the television receiver of this embodiment has a second manual operation switch 15.
By operating , the input line of the wireless remote control signal received by the remote control receiving section 12 to the control section 14 is cut off, and the reception of the wireless remote control signal is prohibited, that is, the remote control by the wireless remote control signal is disabled. Control operations can be prohibited.

For example, as shown in FIG. 4, when the monitor television receiver of this embodiment is used in a cascade connection at an exhibition venue, etc., a control section provided in the receiver main body 20A on the most upstream side is used. 1
Each of the second controllers 4a receives the wireless remote control signal, and each of the second controllers 14b, 14c, and 14d provided in the receiver main bodies 20B, 20C, and 20D on the downstream side does not receive the wireless remote control signal. manual operation switches 15a, 15b, 15c, 15
By setting d, each receiver body 20A, 20B, 20C, and 20D can be reliably remotely controlled using a wireless remote control signal transmitted from a commander (not shown). That is, only the control section 14a provided in the receiver main body 20A on the most upstream side receives the wireless remote control signal transmitted by the commander, performs operation control according to the wireless remote control signal, and controls the received remote control signal. The control signal for one frame is supplied as a wired remote control signal from the signal output terminal 16a to the input terminal 11b.
Then, the control section 14b of the receiver main body 20B
receives the remote control signal and performs the same operation as the control section 14a of the receiver main body 20A on the most upstream side. Below, each receiver main body 20C, 2 on the rear stage side
0D also sequentially performs similar operation control in each control unit 14, c1.
4d. Therefore, when performing on/off reversal control of the power supply using a wireless remote control signal, even if the wireless remote control signal instructing the on/off reversal control is transmitted continuously, each control unit 14b,
Each of 14c and 14d receives a remote control signal only once, so that the desired on/off inversion control operation can be performed correctly and reliably.

[Effect of idea]

As is clear from the description of the embodiments above, the control device according to the present invention accepts wired remote control signals input through two systems of remote control signal input means with priority over wireless remote control signals. Since it is equipped with a control means that performs control operations and outputs received remote control signals via a wired remote control signal output means, remote control in a cascade connection state is possible, and wireless remote control by the above control means is provided. Since a manually operated switch that prohibits reception of signals is provided, remote control in the cascade connection state can be reliably performed without malfunctions caused by wireless remote control signals.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing an embodiment of the control device according to the present invention, FIG. 2 is an external perspective view of a monitor television receiver equipped with the control device of the above embodiment, and FIG. It is also a front view of the back panel of the receiver main body, and FIG. 4 is a block diagram showing a state in which the monitor television receiver of the above embodiment is used in a cascade connection. FIG. 5 is a block diagram showing a video system in which a television tuner equipped with a conventional control device and a monitor television receiver are connected, and FIG. 6 is a block diagram showing a video system in which the conventional monitor television receiver is connected in cascade. FIG. 3 is a block diagram showing the state in which it is used. 10...Control device, 11...Signal input terminal, 1
2... Remote control receiving section, 14... Control section, 15...
...Manual operation switch, 16...Signal output terminal.

Claims (1)

[Claims for Utility Model Registration] A function that receives two systems of remote control signals, a wired remote control signal and a wireless remote control signal, performs control operations, and outputs the received remote control signals to the outside as a wired remote control signal. The control device is equipped with a control device that performs a control operation by receiving wired remote control signals input through two systems of remote control signal input means with priority over wireless remote control signals, and A control device comprising: a control means for outputting a signal via a wired remote control signal output means; and a manually operated switch for prohibiting the control means from receiving a wireless remote control signal.