JPH11340843A - Transmission method and transmitter thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a transmission method that consumes less power, and good operability and to provide a transmitter. SOLUTION: This transmitter is provided with a transmission section 4 that transmits a signal, storage sections 8a, 8b that store a switch operated this time and a switch operated before the switch operated this time, a timer section 9 that measures the time until the present switch is operated this time, after the preceding switch has been previously operated, and a control section 3 that allows the transmission section 4 to transmit the signal with a higher transmission power when the switch operated this time is the same as the switch operated previously within a prescribed time measured by the timer section 9.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transmission method and a transmission apparatus for controlling transmission power for transmission.

[0002]

2. Description of the Related Art A conventional transmission method and a conventional transmission device will be described by taking a remote control device for remotely controlling a television as an example. The remote control device 1 includes a plurality of switches 2 on a front surface thereof.
By operating the switches 2, the control unit 3 outputs the signal S corresponding to each switch 2 from the transmission unit 4 to the television 5. Then, the television 5 receives the signal S at the receiving unit 6, and the control unit 7 controls the television 5 based on the received signal S.

In the conventional remote control device 1, when the transmitting unit 4 of the remote control device 1 is directed to the television 5 and operated nearby, the signal is received by the receiving unit 6, but the signal is received by the receiving unit 6; When the remote operation device 1 is operated without pointing to the terminal, there is a case where a signal is not received. In this case, the user has approached the television 5 or turned to the receiving unit 6 to operate the remote control device 1 again.

[0004]

In order to solve the above-mentioned problem, when the remote control device 1 is operated at a long distance or the direction is slightly shifted by increasing the transmission output of the signal S of the remote control device 1 or the like, There are ways to solve the problem that you are not receiving,
Since the transmission output is always strong, the dry battery, which is the power source of the remote control device 1, is exhausted, and the dry battery is frequently replaced, resulting in a problem such as poor economy. SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and an object of the present invention is to provide a transmission method and a transmission device which have good operability and consume less power.

[0005]

According to the present invention, in order to attain the above object, the operated switch is stored in a storage unit, and the switch operated this time is operated before the switch operated this time. Compare whether it is a switch or not,
If the switch operated this time matches the switch operated last time, and if the time elapsed after the switch operated last time is operated until the switch operated this time is operated is within a predetermined time, The output to be transmitted is transmitted more strongly than the normal transmission output.

The switch operated before the switch operated this time is stored in the storage unit in advance as the switch operated last time, and the switch operated this time and the switch operated last time stored in the storage unit are stored. The switch operated this time and the switch operated last time match, and a predetermined time elapses after the switch operated last time is operated until the switch operated this time is operated. If it is within the time, the output to be transmitted is transmitted stronger than the normal transmission output.

Further, the operated switch is stored in the storage unit as the currently operated switch, and the switch operated before the currently operated switch is stored in the storage unit in advance as the previously operated switch. The switch operated last time stored in the storage unit is compared with the switch operated this time, and the switch operated this time matches the switch operated last time, and the switch operated last time is operated. Thereafter, if the time that elapses before the switch operated this time is operated is within a predetermined time, the output to be transmitted is transmitted stronger than the normal transmission output.

[0008] Further, a transmission unit for transmitting a signal for controlling the controlled device, a storage unit for storing the operated switch, and a time period from when the previously operated switch is operated to when the currently operated switch is operated. And a control unit that transmits from the transmission unit by increasing the transmission output more than usual when the currently operated switch and the previously operated switch are the same within a predetermined time measured by the timer unit, It is provided with.

A transmission unit for transmitting a signal for controlling the controlled device; a storage unit for storing a switch operated this time and a switch operated last time before the switch operated this time; A timer unit that measures the time from when the switch is operated to when the switch that is operated this time is operated, and within a predetermined time that is measured by the timer unit, the switch that is operated this time and the switch that is operated last time are the same. And a control unit for making the transmission output stronger than usual and transmitting from the transmission unit.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS According to a transmission method of the present invention, a switch 2 operated before a switch operated this time is stored in a storage unit 8b as a previously operated switch, and the switch operated this time and the storage unit 8b is compared with the previously operated switch, and the currently operated switch matches the previously operated switch, and
If the time that elapses after the previously operated switch is operated and before the currently operated switch is operated is within a predetermined time, the output to be transmitted is transmitted stronger than the normal transmission output.

The operated switch 2 is stored in the storage unit 8a as the currently operated switch, and the switch 2 operated before the currently operated switch is previously stored in the storage unit 8b as the previously operated switch. The switch operated last time stored in the storage units 8a and 8b is compared with the switch operated this time, and the switch operated this time matches the switch operated last time, and the switch operated last time is compared. After the operated switch is operated,
If the time elapsed before the switch operated this time is operated is within a predetermined time, the output to be transmitted is transmitted stronger than the normal transmission output.

Further, the transmitting apparatus of the present invention stores a transmitting section 4 for transmitting a signal S for controlling the controlled apparatus, a switch operated this time, and a previously operated switch operated before the currently operated switch. Storage units 8a and 8b, and a timer unit 9 for measuring the time from when the previously operated switch is operated to when the currently operated switch is operated.
And a control unit 3 that, when the switch operated this time and the switch operated last time are the same within a predetermined time measured by the timer unit 9, makes the transmission output stronger than usual and transmits from the transmission unit 4, It is provided.

A transmission unit 4 for transmitting a signal S for controlling the controlled device; a storage unit 8b for storing the switch 2 operated before the operation of the switch operated this time as a previously operated switch; A timer section 9 for measuring the time from when the switch operated last time is operated to when the switch operated this time is operated; and within a predetermined time measured by the timer section 9, the switch operated this time and the switch operated last time are And a control unit 3 for making the transmission output stronger than usual and transmitting it from the transmission unit 4 when the two are the same.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS. The same and corresponding parts as those in the conventional example are denoted by the same reference numerals, and detailed description thereof will be omitted.

A transmission method and a transmission apparatus according to this embodiment will be described by taking a remote control device of a television as an example, as in the above-described conventional example. The remote control device 1 including the communication method and the communication device according to the present invention includes a plurality of switches 2 and a storage unit 8 including a memory and a register for storing the operated switches 2.
a and 8b, a timer unit 9 for measuring the time since the switch 2 was operated, and a control unit 3 for controlling the output of the signal S from the transmission unit 4 based on the operated switch 2; And a transmission unit 4 for transmitting a signal using the same. The control unit 3 is composed of a microcomputer and has the above-mentioned storage units 8a and 8b and the timer unit 9 built therein.

Next, the transmission method of this embodiment will be described with reference to the flowchart of FIG.
The case of switching to is described as an example. First, the process starts when the power is turned on as step 100. Next, when the switch 2 of the channel “1” of the remote control device 1 is operated, a signal of the switch operated this time is input to the control unit 3 in step 101. Then step 10
In step 2, the signal of the switch 2 operated is stored in the storage unit 8a as the switch that the switch 2 of channel "1" has operated this time. Next, in step 103, the stored switch operated this time is compared with the previously operated switch previously operated and operated before the currently operated switch. If the switch operated last time is the switch 2 of the channel “1” and is the same, the process proceeds to the next step 104. However, since this operation is the first operation after the power is turned on, unlike the storage unit 8b, step 1
In step 08, the signal S is transmitted with a normal transmission output.

After the processing in step 108, the switch operated this time stored in the storage unit 8a in step 106 is rewritten into the storage unit 8b of the switch operated last time. Then, in step 107, the timer section 9 is restarted, and the process returns to step 101.

Next, when the switch 2 of the channel "1" of the remote controller 1 is operated again, step 101 is executed.
Then, the signal of the switch operated this time is input. Next, at step 102, the signal of the operated switch 2 is immediately sent to the control unit 3, and the switch 2 of the channel "1" is stored in the storage unit 8a as the currently operated switch.
Next, in step 103, the stored switch operated this time is compared with the previously operated switch previously operated and operated before the switch operated this time. If not, the process proceeds to step 108, where the signal S is transmitted with a normal transmission output. However, since the switch that was operated last time is the same for switch 2 of channel “1”,
Proceed to the next step 104.

In step 104, if the time from when the switch operated last time is operated to when the switch operated this time is operated is within a predetermined time (for example, set to 2 seconds), the routine proceeds to the next step 105, If the time has elapsed, the process proceeds to step 108, where the signal S is transmitted with a normal transmission output. In step 105, the transmission power is transmitted at a level higher than usual. If you send at a strong level,
Change the duty ratio of the transmission output. Alternatively, there is a method of increasing the amplitude of the transmission output.

Step 105 or Step 108
After the processing, the switch operated this time stored in the storage unit 8a in step 106 is rewritten to the storage unit 8b of the switch operated last time. Then, in step 107, the timer section 9 is restarted, and the process returns to step 102.

According to the above-described embodiment, when the television does not respond by one operation, the same switch is operated again within a predetermined time, whereby the transmission output is increased and the television can receive a signal. Therefore, in normal operation,
Since the transmission output is kept low, the life of the battery can be prolonged, and the replacement of the dry battery can be kept low, which is excellent in economy.

Next, a second embodiment of the present invention will be described with reference to FIGS.
This will be described with reference to FIG. The same and corresponding parts as those in the first embodiment and the conventional example are denoted by the same reference numerals, and detailed description thereof will be omitted.

The present embodiment is different from the first embodiment in that the storage unit 8a for storing the switch operated this time is not provided, and the other configuration is the same.

Next, the transmission method of the present embodiment will be described with reference to the flow chart of FIG. 4 by taking as an example the case where the television channel is switched to "1" as in the above embodiment.
First, the process starts when the power is turned on as step 200. Next, when the switch 2 of the channel “1” of the remote control device 1 is operated, the signal of the switch that has been operated this time is input to the control unit 3 in step 201. Next, in step 202, the input switch operated this time,
The switch operated before the switch operated this time is compared with the previously operated switch already stored in the storage unit 8b. If the switch operated last time is the switch 2 of the channel “1” and is the same, the process proceeds to the next step 203. However, since this operation is the first operation after the power is turned on, unlike the storage unit 8b, the process proceeds to step 209 to transmit the signal S with a normal transmission output.

After the processing in step 209, the signal of the switch operated this time is input to the control unit 3 again in step 205. Then, in Step 207, the control unit 3
Is rewritten into the storage unit 8b of the switch that was operated last time. And step 2
At 08, the timer unit 9 is restarted, and the process returns to step 201.

Next, when the switch 2 of the channel "1" of the remote controller 1 is operated again, step 201
Then, the signal of the switch operated this time is input. Next, in step 202, the input switch operated this time and the switch operated before this time are operated, and the storage unit 8 is already operated.
Compare with the previously operated switch stored in b. If not, the process proceeds to step 209, where the signal S is transmitted with a normal transmission output. However, since the switch operated last time is the same as the switch 2 of the channel "1", the process proceeds to the next step 203.

In step 203, if the time from when the switch operated last time is operated to when the switch operated this time is operated is within a predetermined time (for example, set to 2 seconds), the flow proceeds to the next step 204, and If the time has elapsed, the process proceeds to step 209, where the signal S is transmitted with a normal transmission output. In step 204, the transmission output is transmitted at a higher level than usual, as in the above embodiment.

Step 204 or step 209
After the processing, the signal of the switch operated this time is input to the control unit 3 again in step 205. Then, the currently operated switch input to the control unit 3 in step 207 is rewritten to the storage unit 8b of the previously operated switch.
Then, the timer section 9 is restarted in step 208, and the process returns to step 201.

In each of the above-described embodiments, the process of comparing the switch operated this time with the switch operated last time (steps 103 and 202) is performed, and then it is determined whether a predetermined time has elapsed (steps 104 and 203). Was performed, but the present invention is not limited to the above-described embodiment.
The processing of 202 may be performed.

According to the above-described embodiment, similarly to the first embodiment, if the television does not respond by one operation, the same switch is operated again within a certain period of time to increase the transmission output, and Can receive the signal.
Therefore, in a normal operation, the transmission output is kept low, so that the life of the battery can be extended, the replacement of the dry battery can be kept down, and the economy is excellent.

According to each of the above embodiments, only transmission to a controlled device such as the television 5 is performed, and the remote control device 1 does not need to include a receiving unit that receives a response signal to the signal S from the television 5. Since the change of the transmission output is controlled only on the transmission device side, the transmission method and the transmission device can be provided at low cost. In each of the above embodiments, communication is performed using infrared rays. However, the present invention is not limited to communication using infrared rays, and can be applied to wireless communication using other radio waves.

In each of the above embodiments, the storage unit 8 and the timer unit 9 are built in the control unit 3 of the microcomputer. However, the present invention is not limited to the above embodiment, and is provided separately from the control unit 3. You may. The number of components can be reduced by incorporating the control unit 3 in the control unit 3.

Further, in each of the above embodiments, a television was described as an example of a controlled device. However, the present invention is not limited to the above embodiment. For example, a remote device used for audio equipment such as a video or an air conditioner such as an air conditioner may be used. The present invention may be applied to communication of an operation device or the like.

[0034]

As described above, according to the present invention, the initial object can be achieved. If the transmission of the operated switch does not succeed, by operating the same switch again, the transmission output becomes strong and the signal is received. This makes it possible to obtain a transmission method and a transmission device that are easily operated, have good operability, and consume little power.

[Brief description of the drawings]

FIG. 1 is a block diagram of a first embodiment of the present invention.

FIG. 2 is a flowchart of the embodiment.

FIG. 3 is a block diagram of a second embodiment of the present invention.

FIG. 4 is a flowchart of the embodiment.

FIG. 5 is a block diagram of a conventional example.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 transmission device 2 switch 3 control unit 4 transmission unit 5 air conditioner 6 reception unit 7 control unit 8a, 8b storage unit 9 timer unit S signal

Claims (5)

[Claims] A switch that has been operated is stored in a storage unit, and it is compared whether or not a switch that has been operated this time is a previously operated switch that has been operated before a switch that has been operated this time. If the time elapsed between the time when the switch and the previously operated switch match and the time when the previously operated switch is operated and the time when the currently operated switch is operated is within a predetermined time, the output to be transmitted is output. A transmission method characterized by transmitting more than normal transmission output. 2. A switch operated before a switch operated this time is stored in a storage unit in advance as a switch operated last time, and the switch operated this time and the switch operated last time stored in the storage unit are stored. And compare
If the switch operated this time matches the switch operated last time, and if the time elapsed after the switch operated last time is operated until the switch operated this time is operated is within a predetermined time, And transmitting the output to be transmitted more strongly than the normal transmission output. 3. A switch that has been operated is stored in the storage unit as a switch that has been operated this time, and a switch that has been operated before the switch that has been operated this time is stored in the storage unit in advance as a switch that has been operated last time. The switch operated last time stored in the storage unit is compared with the switch operated this time, and the switch operated this time matches the switch operated last time, and the switch operated last time is operated. Thereafter, if the time elapsed before the switch operated this time is operated is within a predetermined time, the output to be transmitted is transmitted stronger than the normal transmission output. 4. A transmission unit for transmitting a signal for controlling a controlled device, a storage unit for storing a switch that has been operated, and a time period from when a previously operated switch is operated to when a currently operated switch is operated. And a control unit that transmits from the transmission unit by increasing the transmission output more than usual when the currently operated switch and the previously operated switch are the same within a predetermined time measured by the timer unit, A transmission device comprising: 5. A transmission unit for transmitting a signal for controlling a controlled device, a storage unit for storing a currently operated switch and a previously operated switch operated before the currently operated switch, and A timer unit that measures the time from when the switch is operated to when the switch that is operated this time is operated, and within a predetermined time that is measured by the timer unit, the switch that is operated this time and the switch that is operated last time are the same. And a control unit for making the transmission output stronger than usual and transmitting from the transmission unit.