JPH0969885A - Selective radio call device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform various kinds of controls of a home electric product from a remote location via a public line by having both of a radio call function and a remote control function controlling the home electric product. SOLUTION: When a radio message 1 is delivered to a selective radio call device by a public telephone, etc., a frequency conversion is performed for this radio message frequency signal received by the antenna 2 of the device by a frequency converter 3, the frequency signal is decoded by a decoder 4 and the signal is decoded by a decoder 5. Next, whether this message code is an infrared ray control signal, a page or a call signal is decided by a CPU 6. When the code is the infrared ray control signal, the infrared ray control data corresponding to this message code is read by a RAM 8. The infrared ray signal is transmitted from an infrared ray light emitting part 7 to the light receiving part of a home electric product by the CPU 6 and this home electric product is controlled.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention has both a radio calling function such as a pager and a remote control function such as infrared rays for controlling home electric appliances, and controls various kinds of home electric appliances from a destination via a public line. The present invention relates to a simple and inexpensive wireless selective calling device that can be performed.

[0002]

2. Description of the Related Art Generally, household electric appliances such as air conditioners are
It has a timer function, and if the time is set in advance, the operation is started or ended at that time. For example, since I plan to return home at 17:00, 1
If the timer of the air conditioner is set so that the operation starts at 6:00 and goes out, it is very convenient that the temperature of the room is the optimum temperature when returning home at 17:00.

[0003]

However, if the return schedule is changed in the above-mentioned setting state and it is not possible to return home by 17:00, the air conditioner will be uselessly operated between 17:00 and home. There was a problem that became very uneconomical. In addition, if the timer function as described above is used for boiling water, etc., there is a risk that the hot water may boil too much when the return time is changed as described above, which is dangerous. Alternatively, even if the vehicle automatically stops at an appropriate temperature, it will be uneconomical as the temperature will drop if the user comes home late. In addition, there is no difference in that it is inconvenient even if it is changed to a person who comes home earlier. Therefore, conventionally, in order to avoid the above-mentioned problems, a security system has been used in which various home electric appliances can be controlled by telephone even when away from home.
In this system, the control device connected to the telephone line
In accordance with an instruction signal from the telephone line, a control signal is output to various home electric appliances wired to the control device so that the control can be performed from outside. However, in this home security system, the control device and each home electric appliance are connected by wire. Therefore, the wiring work is
It was a large-scale system that was extremely time-consuming and costly, and was a so-called expensive system.

Therefore, there has been a demand for an inexpensive device that can easily control various home electric appliances from outside the home via a telephone line. The present invention has been made in view of the above circumstances, and has a radio calling function such as a pager and a remote control function of infrared rays or the like for controlling home electric appliances and the like, and the above home through a public line from outside. It is an object of the present invention to provide a simple and inexpensive wireless selective calling device capable of controlling various electric appliances.

[0005]

To achieve the above object, the present invention according to claim 1 has a radio calling function and a remote control function such as infrared rays, radio waves or ultrasonic waves for controlling household electric appliances and the like. A wireless selective calling device capable of performing various kinds of control of the home electric appliance from a destination via a public line, the receiving means receiving a wireless message signal from the public line, and the received signal. Determining means for determining whether the message signal is a signal for displaying a radio call or a signal for remote control operation, and the message signal is determined by the determining means as a signal for remote control operation. Remote control control means for transmitting a remote control control signal according to the message of the message signal. Further, in claim 2, when the message is judged by the judging means to be a signal for displaying a radio call, a call by voice and a message display of the message signal are performed. Is characterized by.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described below based on the illustrated embodiments. FIG. 1 is a block diagram showing an embodiment of a radio selective calling device according to the present invention. As shown in FIG. 1, this radio selective calling device includes an antenna 2 for inputting a radio signal 1 from a base station of a telephone line, a frequency converter 3 connected to the antenna 2, and a frequency converter 3. The connected demodulator 4, the decoder 5 connected to the demodulator 4, the CPU 6 connected to the decoder 5, the infrared light emitting unit 7 connected to the CPU 6, and the CPU 6
A RAM 8 connected to the CPU 6, an operation unit 9 connected to the CPU 6, a display unit 10a connected to the CPU 6,
It has a voice generation unit 10b connected to the CPU 6. In the case of this embodiment, this radio paging apparatus has an external appearance as shown in FIG. 2, and the infrared emitting section 7 has a side surface of the case 11 as shown in a side view of FIG. 2 (b). And the operation section 9 and the display section 10a.
Are arranged in front of the case 11, as shown in the front view of FIG.

Further, as shown in FIG. 2 (a), the operation section 9 comprises a mode switch, a select switch and a reed switch, and the display section 10a has a numerical display format capable of displaying 12 digits. Therefore, one digit has a 4-bit information amount. The RAM 8 also stores infrared control data corresponding to message codes described later. Next, the overall operation of the radio selective calling device having the above configuration will be described with reference to the operation explanatory diagram of FIG. 3 and the operation flowchart of FIG. First, as shown in FIG. 3, when the wireless message 1 is sent from the public telephone 11 or the like via the telephone company 12, the pager service company 13, and the base station 14 to the wireless selective calling device 15,
In steps 100 and 101 of FIG. 4, the radio message frequency signal received by the antenna 2 of the radio selective calling device 15 is frequency-converted by the frequency converter 3, and demodulated by the demodulator 4 in step 102. And the message code is obtained by the decoder 5 (step 10).
3). Next, in step 104, the CPU 6 determines whether the message code is an infrared control signal or a pager calling signal. If the message code is an infrared control signal, the RAM 8 corresponds to the message code in step 105. The infrared control data is read out, and in step 106, the CPU 6 sends an infrared signal 16 according to the infrared control data from the infrared light emitting unit 7 to the light receiving unit of the home electric appliance 17.
The home electric appliance 17 is controlled.

If the message code is a pager calling signal in step 104, the voice is generated from the voice generating section 10b in step 107, and the number according to the message is displayed in the display section 1.
0a, the infrared control is not performed. As described above, according to the wireless selective calling device, wireless selective calling (pager function) as a pager can be performed, and infrared control (remote control function) of various home appliances from outside can be performed.

Next, as a specific example of the above infrared control, a case of performing video recording control of a video deck (in this case, recording reservation is made at 13:30 on channel 01) will be described. In this case, first, in the RAM 8 shown in FIG.
Tables 5 (b) and 5 (c) are stored.
The first 4 digits of the 12-digit message code sent from the telephone 11 serves as a personal identification number, and the 4-digit value is a predetermined number (in this case, "9999"). ), The CPU 6 is
The message code is determined to be an infrared control signal, and remote control operation is performed as follows.

That is, the fifth digit of the 12-digit number is
This is a control code and indicates the number of the remote control target device. As is clear from the table of FIG. Next, as shown in FIG. 5 (b), the sixth digit indicates a major classification of control contents,
In this case, the value is "2", which indicates the setting of the recording start time.
The seventh digit to the twelfth digit indicate a small classification of the control content as shown in FIG. 5C, and in this case, it is "011330", which indicates the time of channel 01 and 13:30. Therefore, in the case of this specific example, when the message code “999912011330” as shown in the display section 10a of FIG. Is read out and sent from the infrared ray emitting section 7 to the light receiving section of the video deck, and the above-mentioned recording reservation is set.

In the above embodiment, it is assumed that the wireless selective calling device and the home electric appliances are separated from each other, but the present invention is not limited to this, and as a modified example, as shown in FIG. A storage unit 19 is provided in a part of the product housing 18,
The infrared light emitting unit 7 of the wireless selective calling device and the light receiving unit 20 of a home electric appliance may be attached so as to overlap each other when the device is stored. According to this modification, the light emitting unit 7 is the light receiving unit 20.
There is no possibility that home appliances will not work because it was not suitable for. Further, if the wireless selective calling device is configured as a learning type infrared remote controller, it is possible to correspond to the infrared remote controllers of all existing home electric appliances. It should be noted that it is not necessary to explain that it is possible to use ultrasonic waves, electromagnetic waves different from the pager reception frequency, or other wireless communication media other than infrared rays.

[0012]

As described above, the present invention has both a radio calling function such as a pager and an infrared remote control function for controlling home electric appliances, and various kinds of home electric appliances can be provided from outside the home via a public line. Since the control can be performed, the convenience of home electric appliances can be enjoyed at a very low cost even when there are no people in the home.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of a radio selective calling device according to the present invention.

2 (a) and 2 (b) are external views of the radio selective calling device shown in FIG.

FIG. 3 is an operation explanatory diagram of the radio selective calling device shown in FIG. 1.

4 is an operation flowchart of the radio selective calling device shown in FIG. 1. FIG.

5 (a), (b) and (c) are RAMs shown in FIG.
It is a figure which shows an example of the table memorize | stored in.

FIG. 6 is an explanatory diagram showing a modified example of the present invention.

[Explanation of symbols]

1 ... Radio signal, 2 ... Antenna, 3 ... Frequency converter, 4 ... Demodulator, 5 ... Decoder, 6 ...
CPU, 7 ... Infrared light emitting section, 8
... RAM, 9 ... operation part,
10a ... Display unit, 10b ... Voice generating unit,
11 ... payphone, 12 ... telephone company,
13 ... Pager service company, 14 ... Base station, 15 ... Radio selective calling device, 16 ... Infrared signal, 17 ...
Home appliances, 100-107 ... each step,

Claims (2)

[Claims] 1. A wireless call function and a remote control function of infrared rays, radio waves, ultrasonic waves, etc. for controlling home electric appliances and the like are provided together, and various kinds of control of the home electric appliances can be performed from a place away from the public line. A wireless selective calling device capable of receiving a wireless message signal from the public line, and the received message signal is a signal for displaying a wireless call or a signal for remote control operation. And a remote controller control means for transmitting a remote controller control signal according to the message of the message signal when the message signal is determined to be a signal for remote control operation by the determining means. A wireless selective calling device characterized by the above. 2. When the message signal is judged by the judging means to be a signal for displaying a radio call,
2. The radio selective calling device according to claim 1, wherein a calling by voice and a message display of the message signal are performed.