JPH0815276B2 - Wireless system - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a wireless system that can be combined with a remote control system for time division multiplexing transmission.

[Background Art] A transmitter having a plurality of operation switches, each having a unique address, and a plurality of receivers for receiving a wireless signal including address data transmitted from the transmitter, control data for load control, and the like. In a wireless system, a receiver having a matching address when receiving a time-division-multiplexed wireless signal from a transmitter controls a load based on control data following address data. Had. That is, when a wireless signal from one operating switch is transmitted from a transmitter having a plurality of operating switches, control data from other operating switches are invalidated while the wireless signal of the wireless signal is being transmitted, or As shown in FIG. 7, the input signals are transmitted as wireless signals in the order of input. That is, when the operation switches 1a, 1b ... Are operated at substantially the same time, the control data corresponding to the operation switches 1a ... Is temporarily stored, and the stored control data is sequentially transmitted as separate wireless signals. It is a thing. With this output method, there is a great deal of discomfort in use. That is, there is a time lag between the operation of the operation switch and the signal output timing. Especially, the later the operation switch is operated, the larger the time lag becomes. In addition, the signal transmission medium of the wireless signal,
When a directional medium such as infrared rays is used, the transmitter operates in a direction different from that of the receiver even though the signal is actually being output when the operation of the operation switch is completed. It has the problem of disappearing. Furthermore, when a plurality of transmitters are used in the same space, the signal output time from each transmitter becomes long, and the probability of simultaneous operation of the transmitters increases. Further, when wireless signals are continuously output, the load corresponding to the finally operated operation switch is operated after a considerable time, and the operation response is deteriorated. This is because, when the amount of data information is large, the operation response becomes significantly worse. Further, when a battery is used as a power source, there is a problem that the current consumption becomes large and the life becomes short.

[Object of the Invention] The present invention has been provided in view of the above points,
The feeling of discomfort during use when operating multiple operating switches is reduced, and the operation response is improved.In addition, transmission reliability is improved and current consumption is reduced when using a transmission medium having directivity such as infrared rays. (EN) Provided is a wireless system aiming to reduce the traffic amount and to improve the transmission reliability by reducing the traffic amount in the same space.

DISCLOSURE OF THE INVENTION (Structure) The present invention receives a transmitter including a plurality of operation switches, each transmitter having a unique address, and a wireless signal transmitted from the transmitter and including address data and control data for load control. In a wireless system including a plurality of receivers, a receiver having a matched address upon receiving a time-division-multiplexed wireless signal from a transmitter controls a load based on control data following address data, The control data is composed of a plurality of bits, and the bit at a predetermined position among the plurality of bits corresponds to the individual control data by each operation switch, and is operated first when the plurality of operation switches are operated at a certain time interval. The control data corresponding to the operated operation switch is transmitted as a wireless signal, which is operated during transmission of the wireless signal. The logical sum of the bit data at each position in the control data by the other plurality of operation switches is calculated, and the wireless signal including the control data as the bit data at the corresponding position is transmitted after the transmission of the first wireless signal is completed. It is characterized in that the synthetic oscillator means is provided in the oscillator.

By adopting this configuration, even if a plurality of other operation switches are operated during transmission of a wireless signal, it is possible to transmit control data corresponding to the plurality of operation switches by one wireless signal. become.

(Example) Hereinafter, the Example of this invention is described with reference to drawings. First,
An optical wireless system by optical communication will be described.
FIG. 4 shows a schematic configuration diagram of the entire optical wireless system, and a plurality of transmitters 1 for optical transmission are provided. A plurality of satellite receivers 2 for receiving the optical transmission code (wireless signal) from the transmitter 1 are also provided. From the transmitter 1, for example, control data for controlling on / off of the luminaire is transmitted together with address data as an optical wireless signal as a transmission code as shown in FIG. The transmission code of the optical wireless signal is composed of address data AD and control data CD as shown in FIG.
Here, the mode data SI preceding the address data AD
Is a mode for selecting whether to perform another system operation such as a remote control system of time division multiplex transmission or an individual operation in a wireless system. As shown in FIG. 1, the transmitter 1 specifically includes an address setting section 17 for setting an address, a signal processing section 18 for creating a transmission code corresponding to each operation switch 1a to 1d, and an operation switch 1a.
~ 1d data synthesizing unit 20 for synthesizing data when operated at a certain time interval, a light emitting unit including a light emitting diode or the like for transmitting the synthesized data from the data synthesizing unit 20 or a single code as an optical wireless signal It is composed of 19 mag. The data synthesizing unit 20 and the light emitting unit 19 constitute a synthesizing and transmitting means.

On the other hand, the satellite receiver 2 that receives the optical wireless signal is configured as follows. That is, as shown in FIG. 4, the optical wireless signal from the transmitter 1 is received and PI
FIG. 5B shows an optical receiver 3 including a photoelectric element such as an N diode, a tuning circuit 4 having a tuning function for detecting a carrier wave of an output signal from the optical receiver 3, and an output of the tuning circuit 4. The satellite receiver 2 is composed of the baseband converter 5 and the like for converting the baseband signal as shown.

The baseband signal from the satellite receiver 2 is sent out on a dedicated signal line 6 and transmitted to a system receiver 7 and a plurality of individual receivers 11 connected to the signal line 6. The system receiver 7 receives the baseband signals from the satellite receiver 2 all together, and as shown in FIG. 4, the receiver 8 for receiving the baseband signals and whether the operation is system or individual as described above. And a system interface 9 to which address data and control data, into which the baseband signal is converted into a binary parallel signal by the receiving unit 8, are input. This system interface 9 is connected to the signal line 34 of the multiplex transmission control system, and is processed according to the procedure on the side of the central control unit 31. Only the signal format set by the receiving unit 8 of the system receiver 7 is extracted from the baseband signal, the setting unit 10 determines whether the system operation or the individual operation is performed, and the received address data and control data are received by the receiving unit 8.
Output to the system interface 9.

As shown in FIG. 4, the individual receiver 11 includes a receiving unit 12 that receives the baseband signal from the satellite receiver 2 and an address setting unit 13 that sets unique addresses.
And a load interface 14 for driving a load control relay and the like according to control data. That is,
In this individual receiver 11, the baseband signal and the set address of each individual receiver 11 are collated, and if they match, the load interface 14 drives the load control relay or the like to load the load 15 such as the above lighting equipment. To control. A series circuit of a contact 14a of a relay driven by the load interface 14 and a load 15 is connected in parallel to the power supply 16.

The operation when only one operation switch 1a of the transmitter 1 is operated will be described. When the operation switch 1a is operated, the data corresponding to the operation switch 1a is created by the signal processing unit 18, the data passes through the data synthesizing unit 20 as it is, and the data code is sent from the light emitting unit 19 as a wireless signal. It The optical wireless signal transmitted from the transmitter 1 is received by the nearest satellite receiver 2, and only the signal of the frequency determined by the tuning circuit 4 is detected and converted into a baseband signal by the baseband converter 5. The signal is transmitted to each of the receivers 7 and 11 via the wired signal line 6. If the mode data SI of the transmission code selects the individual operation, the system receiver 7 does not respond and the individual receiver 11 is the target. The address of the baseband signal is checked at each individual receiver 11, and if it matches the set address, the load interface 14 drives the relay based on the control data to load the load.
Control 15 Here, if the mode data SI of the optical wireless signal from the transmitter 1 selects the system operation,
The system receiver 7 will respond. That is, the address and control data obtained by converting the baseband signal into a binary parallel signal are input to the system interface 9 and processed according to the procedure on the side of the multiplex transmission control system.

Next, the gist of the present invention will be described.
As shown in FIG. 1, the oscillator 1 is provided with, for example, four operation switches 1a to 1d, and these operation switches 1a to 1d are data codes D _{0 to} D as shown in FIG. 3 (a). It corresponds to ₃ . That is, in this embodiment, the control data is composed of 4 bits D _{0 to} D ₃ , each bit position is associated with each operation switch 1a to 1d, and each operation switch 1a is associated with each other.
When ~ 1d is operated, the bit data at the corresponding position becomes 1. Therefore, the operation switch of the transmitter 1
If 1a is operated (pressed), the address data will be followed by the third
The control data 0001 shown in FIG. The other operation switches 1b to 1d correspond to FIGS. 3C to 3E, respectively. Each of the operation switches 1a to 1d has a different function, and each function may be controlled depending on the load.The operation switches 1a to 1d are operated almost at the same time, and each of the operation switches 1a to 1d is operated at a certain time interval. The operation switches 1a to 1d may be operated. Now, as shown in FIG. 2, when the four operation switches 1a to 1d are sequentially operated at a certain fixed time interval,
A wireless signal corresponding to the control data of the operation switch 1a operated first is transmitted, and then all the operation switches 1b to 1d operated during the transmission of this wireless signal synthesize the control data by the data synthesizing unit 20. The wireless signal corresponding to the combined control data is transmitted after the end of transmission of the wireless signal.

That is, first, when the operation switch 1a is first operated as shown in FIG. 2 (a), the control data corresponding to the operation switch 1a is created by the signal processing unit 18, and the first control data is the data. After passing through the synthesizing unit 20 as it is, it is transmitted from the light emitting unit 19 as a wireless signal A as shown in FIG. Next, after transmitting the wireless signal A,
As shown in FIGS. 2 (b), (c) and (d), when the other operation switches 1b, 1c, 1d are operated in order, the respective operation switches are
The control data corresponding to 1b, 1c, 1d are combined by taking the logical sum in the data combining section 20, and the combined control data is transmitted as shown in FIG. It is transmitted later as the wireless signal B. Although the number of operation switches 1a to 1d is four in this embodiment, the number of operation switches is not limited to four, and the same applies to the case of n switches.

Next, an example of a method for synthesizing and transmitting control data will be described. When the operation switches 1b, 1c, 1d are sequentially operated, the data synthesizing section 20 sets 1 to each bit of the data code to synthesize the control data. In this example, since the operation switch 1b corresponding to the control data to be combined is operated, the bit data in the data combining unit 20 is 0010. Next, when the operation switch 1c (0100) is operated,
When it becomes 0110 and the operation switch 1d (1000) is operated,
It becomes 1110. Therefore, the bit data created by the data synthesizing unit 20 becomes a synthetic signal of 1110, and the light emitting unit 19 of the oscillator 1 is generated.
The address data and the combined signal are transmitted from. On the other hand, for example, in the individual receiver 11, the load is controlled based on the bit data in which 1 of the data code, which is the control data that is the combined signal following the address data, is set. That is, on the side of the individual receiver 11 as well, since each bit of the data code is associated with the control content, it is read which bit data D _{0 to} D _{3 is set} to 1.
The load is controlled based on the bit data.

[Effects of the Invention] As described above, the present invention receives a transmitter including a plurality of operation switches, each transmitter having a unique address, and a wireless signal transmitted from the transmitter and including address data and control data for load control. In a wireless system that is equipped with a plurality of receivers, the receivers whose addresses match when receiving the time-division-multiplexed wireless signal from the transmitter, control the load based on the control data following the address data. , The control data is composed of a plurality of bits, and the bit at a predetermined position in the plurality of bits corresponds to the individual control data by each operation switch, and first when the plurality of operation switches are operated at a certain time interval. Control data corresponding to the operated operation switch is transmitted as a wireless signal, and operation is performed during transmission of the wireless signal. The wireless signal including the control data which is the bit data of the corresponding position is ORed after the OR of the bit data of each position in the control data by the other plural operation switches is transmitted after the completion of the transmission of the first wireless signal. Since the transmitter is provided with a synthetic transmitting means, the synthetic transmitting means operates the control data corresponding to the first operated switch operated at a certain time interval and transmits the wireless signal as a wireless signal. When a plurality of other operation switches are operated during transmission of the wireless signal, a logical sum of the control data corresponding to the operation of those operation switches is taken, and the wireless signal having the logical sum as the control data after the transmission of the wireless signal is completed. The control data corresponding to the operation switch operated in the conventional manner is sequentially transmitted by Compared to the above, there is less time lag between the operation of the operation switches and the timing of signal output, which reduces discomfort during use, improves the optical axis misalignment, and improves the responsiveness of operation during multiple simultaneous operations. Transmission reliability is improved when using a transmission medium with
Since the control data is combined and transmitted, the current consumption can be reduced as compared with the case of sending the control data one by one, and the transmission reliability can be improved by reducing the traffic amount in the same space. It is a thing.

[Brief description of drawings]

FIG. 1 is a block diagram of an oscillator according to an embodiment of the present invention, FIG. 2 is an operation explanatory view of the above, FIG.
The figure shows a schematic block diagram of the wireless system of the same as above.
FIG. 6 and FIG. 6 are operation explanatory diagrams of the same as above, and FIG. 7 is an operation explanatory diagram of a conventional example. Reference numeral 1 is a transmitter, 1a to 1d are operation switches, 2 is a satellite receiver, 7 is a system receiver, and 11 is an individual receiver.

Claims (1)

[Claims] 1. A transmitter comprising a plurality of operation switches each having a unique address, and a plurality of receivers for receiving a wireless signal transmitted from the transmitter and including address data and control data for load control. In a wireless system in which a receiver that receives a time-division-multiplexed wireless signal from a transmitter and has an identical address controls a load based on control data following address data, the control data consists of multiple bits. A bit at a predetermined position among the plurality of bits corresponds to individual control data by each operation switch, and corresponds to the operation switch operated first when the plurality of operation switches are operated at a certain time interval. The control data is transmitted as a wireless signal, and a plurality of other operation switches operated during the transmission of the wireless signal are transmitted. A transmitter for transmitting a wireless signal including control data, which is bit data at a corresponding position by taking the logical sum of the bit data at each position in the control data by the transmitter after the first wireless signal is transmitted. A wireless system characterized by being provided in.