JP5330331B2 - Signal transfer device, signal transfer board, and signal processing device - Google Patents

Description

  Embodiments described herein relate generally to a signal transfer device, a signal transfer substrate, and a signal processing device for a communication device between substrates.

  There is a method of performing wireless communication directly between substrates.

JP 2007-235451 A

A configuration for wirelessly communicating between substrates is known. In a conventionally known method, a wireless communication function is arranged on the substrates, and direct wireless communication is performed between the substrates. When communicating with a board other than an adjacent board using this method, for example, when attempting to communicate with the board by extending the communication distance of the wireless communication, it is easy to interfere with other wireless communications due to the extended communication distance. As a result, there is a problem that the communication throughput decreases as a whole.
In addition, for example, when communicating via adjacent boards, in wireless communication between a certain board, in addition to the amount of data communicated between the two boards, other data will be sent, and as a result, There is a problem in that the amount of data that can be exchanged between the two boards is reduced, and the overall communication throughput is also reduced.
As described above, in the conventional method, there is a problem that the communication throughput as a whole decreases when communication is attempted with a substrate other than the adjacent substrate.

  The present embodiment has been made in consideration of the above-described circumstances, and even when trying to communicate with a substrate other than an adjacent substrate, the signal transfer apparatus, the signal transfer substrate, and the An object is to provide a signal processing device.

According to the embodiment, the signal transfer device includes a first communication unit and a second communication unit. The first communication unit performs wireless communication with a wireless communication device included in the substrate. The second communication unit communicates with another signal transfer device.
According to the embodiment, the signal transfer board includes a plurality of the signal transfer devices described above.
Further, according to the embodiment, the signal processing device includes a substrate and the signal transfer device described above. The substrate has a wireless communication device. The signal transfer device communicates with the wireless communication device and another signal transfer device.

1 is a diagram illustrating a signal transfer system including a signal transfer apparatus according to a first embodiment. The block diagram of the signal transfer apparatus of FIG. The figure which shows an example at the time of making the 2nd communication part of FIG. 1 into wired communication. The figure which shows the connection relation at the time of performing wire communication with the 2nd communication part of FIG. The figure which shows the connection relation of the modification of FIG. The figure which shows the connection relationship at the time of performing wire communication with the 2nd communication part of FIG. The figure which shows the connection relation of the further modification at the time of performing wired communication with the 2nd communication part. The figure which shows an example of the arrangement | positioning which leaves | separates a signal transfer apparatus for every board | substrate. The figure which shows another example of arrangement | positioning which leaves | separates a signal transfer apparatus for every board | substrate. The figure which shows the case where a part of 1st communication part of FIG. 1 is a wire communication. The figure which shows the case where only one signal transfer apparatus is installed from FIG. The figure which shows the case where the signal transfer board | substrate which installs a some signal transfer apparatus is provided. FIG. 13 is a diagram illustrating a case where wireless communication is performed between signal transfer apparatuses with the arrangement of FIG. The figure which shows that signal transfer apparatuses communicate by wire using a 3rd communication part between signal transfer boards. The figure which shows that signal transfer apparatuses communicate by radio | wireless between signal transfer boards using a 3rd communication part. The figure which shows the signal processing apparatus containing the signal transfer system of FIG.

Hereinafter, a signal transfer device, a signal transfer board, and a signal processing device according to embodiments of the present invention will be described in detail with reference to the drawings. Note that, in the following embodiments, the same numbered portions are assumed to perform the same operation, and repeated description is omitted.
(First embodiment)
A signal transfer system including the signal transfer apparatus according to the first embodiment will be described with reference to FIG.
The signal transfer system according to the present embodiment includes a plurality of signal transfer apparatuses 101a, 101b, 101c, and 101d, a cable 103ab, 103bc, and 103cd, a plurality of substrates 105a, 105b, 105c, and 105d, and a plurality of wireless communication apparatuses 104a, 104b, and 104c. , 104d.

  Each of the plurality of signal transfer apparatuses 101a, 101b, 101c, and 101d performs wireless communication with the plurality of wireless communication apparatuses 104a, 104b, 104c, and 104d, and performs wired communication with other signal transfer apparatuses. The plurality of signal transfer apparatuses 101a, 101b, 101c, and 101d are connected by wires 103ab, 103bc, and 103cd. Wired communication is performed via the wires 103ab, 103bc, and 103cd.

  Each of the plurality of substrates 105a, 105b, 105c, and 105d includes each of the wireless communication devices 104a, 104b, 104c, and 104d. For example, the substrate 105a may include the wireless communication device 104a, and the wireless communication device 104a may be installed on the 105a.

Next, the signal transfer apparatus will be described with reference to FIG.
The signal transfer apparatus 101s (s is any one of a, b, c, and d) of the present embodiment includes a first communication unit 201s and a second communication unit 202s. For example, the signal transfer apparatus 101a includes a first communication unit 201a and a second communication unit 202a. The signal transfer apparatus 101s may further include a third communication unit 203s.

The first communication unit 201s performs wireless communication with the wireless communication device 104s, and communicates with the second communication unit 202s by wire or wireless.
The second communication unit 202s performs communication by connecting to another signal transfer device with a wire or performs wireless communication. In this example, the second communication unit 202a performs wired communication with the second communication unit 202b via the wired 103ab.
The third communication unit 203s will be described later with reference to FIGS.

  As described above, the signal transfer device according to the first embodiment includes the first communication unit that wirelessly communicates with the wireless communication device included in the substrate, and the second communication unit that communicates with another signal transfer device.

  As a result, each of the signal transfer apparatuses 101a, 101b, 101c, and 101d can communicate data with the corresponding board (any one of 105a, 105b, 105c, and 105d) and can perform signal transfer that can communicate with other boards. Data can be transferred to the device. For example, when it is desired to send data from the board 105a to the board 105d, the board 105a sends the data to the signal transfer apparatus 101a through the first communication 102a. Next, the signal transfer apparatus 101a sends the data to the signal transfer apparatus 101b by the second communication using the wire 103ab. Similarly, data transmitted from the signal transfer device 101b to the signal transfer device 101d via the signal transfer device 101c is transmitted to the substrate 105d using the first communication 102d. By sending in this way, it is not necessary to use the first communication 102b and the first communication 102c, which are wireless communication with the substrate 105b and the substrate 105c, so that the overall throughput can be prevented from decreasing. .

  As will be described later, the data rate required for the second communication may be higher than that for the first communication depending on the implementation method of the second communication unit 202s that is the communication between the signal transfer apparatuses. . In such a case, it is desirable to use communication means having a higher data rate for the second communication than the first communication. In general, wired communication tends to have a higher data rate than wireless communication. For example, it is preferable to use wired communication as the second communication.

  In addition, by using the signal transfer apparatus according to the first embodiment, it is possible to shorten the wireless communication section even when there is a distance between the substrates or when communicating with a substrate other than an adjacent substrate. Therefore, it is possible to avoid the wireless communication from interfering with each other, and as a result, it is possible to avoid the reduction in throughput due to the interference.

  As described above, the shorter the wireless communication section, that is, the wireless communication distance, the smaller the interference with others, so that a reduction in throughput due to the interference can be avoided. In order to shorten the communication distance, for example, the transmission power can be reduced or the carrier frequency can be increased. For example, if a millimeter wave band, that is, a frequency of several tens of GHz is selected as the carrier frequency, the signal power is abruptly attenuated at about several centimeters, and thus a reduction in throughput due to interference can be effectively avoided.

(Connection example when the second communication is wired)
Details when the second communication unit is wired communication will be described with reference to FIGS. 1, 3, 4, 5, 6, and 7.

  For example, as shown in FIG. 1, the second communication unit may serially connect the signal transfer apparatuses 101s. In this way, there is an effect that the wiring can be eliminated. However, as described above, the data rate required for some of the second communications may increase. For example, in the case of FIG. 1, in the wired 103bc, either of the board 105a and the board 105b and the data communicated between the board 105c and the board 105d pass, so that the data required accordingly The rate goes up. Also, when the wired 103ab, 103bc, 103cd is configured as a bus, all the data communicated by the first communication 102a, 102b, 102c, 102d is transmitted by the second communication using the wired 103ab, 103bc, 103cd. Accordingly, the required data rate is further increased. In such a case, as described above, it may be desirable to use a means having a higher data rate than the first communication unit as the second communication unit.

  For example, as illustrated in FIGS. 3 and 6, the second communication unit may perform communication by individually arranging wires 301ac, 103ab, 103bc, 103cd, 301ad, and 301bd between the signal transfer apparatuses 101s. However, FIG. 6 shows the connection relationship of FIG. Similarly, FIG. 4 shows the connection relationship of FIG. As shown in FIG. 6 and FIG. 3, when the second communication unit 202s of each signal transfer device 101s is connected, a wire is arranged from each signal transfer device 101s to all other signal transfer devices. Since the data rate required for each one is the same as that of the first communication, there is an effect that it is not necessary to prepare a high data rate for the second communication.

  As an example of an intermediate connection between FIG. 4 and FIG. 6, as shown in FIG. 5, a set of signal transfer apparatuses in which wires are individually arranged between the signal transfer apparatuses may be increased. For example, wires may be individually arranged between sets of signal transfer apparatuses corresponding to sets of boards having a large amount of data to be communicated. In this way, since data transmission is distributed, the data rate required for the second communication can be reduced.

  Further, as shown in FIG. 7, the wires 701 may be arranged so as to be integrated into one point from each signal transfer device. In this way, wiring can be eliminated and the load on the second communication is evenly distributed, so that the data rate required for the second communication can be reduced.

(Example of wireless communication device arrangement)
The positional relationship between the signal transfer apparatus 101s and the substrate 105s will be described in detail with reference to FIGS.
The wireless communication devices included in different substrates are arranged at a distance greater than the distance between these substrates. For example, as shown in FIGS. 8 and 9, the wireless communication device 104s on the substrate 105s and the corresponding signal transfer device 101s may be arranged separately for each adjacent substrate. In this way, it is possible to further effectively reduce interference from other wireless communications, and as a result, it is possible to further effectively reduce the reduction in throughput.

  When the distance between the substrates is equal to or greater than the length of the substrate (the horizontal length in FIGS. 8 and 9), for example, as shown in FIG. Thus, the mutual distance between the first communications 102a, 102b, 102c, and 102d can be increased, and interference can be effectively reduced. In addition, for example, when the distance between the substrates is smaller than the length of the substrate, the first communication 102a and 102c may be arranged nearby if arranged as shown in FIG. As shown in FIG. 9, each substrate may be slightly shifted.

  In addition to reducing the interference caused by changing the position of the signal transfer apparatus 101s as shown in FIG. 8 and FIG. 9, when there are a plurality of frequency channels in the wireless communication, the effect is further improved by switching these appropriately. In addition, interference can be reduced. That is, the first communication units in different signal transfer apparatuses use different frequency channels. For example, interference can be reduced by using different frequency channels in a signal transfer apparatus having a close position. Even if the position of the signal transfer apparatus 101s is not changed as shown in FIGS. 8 and 9, only using different frequency channels has an effect of reducing interference.

(Part of the first communication is wired)
In the example shown in FIG. 1, some of the boards and the signal transfer board may be connected by wired communication instead of wireless communication. In this case, another wired communication device 1004a, c, d may be provided on the substrate 105t (t is any one of a, c, d) as shown in FIG. 10, or the substrate as shown in FIG. Direct communication may be performed without providing the signal transfer device 101t by arranging a wired line.

  According to the first embodiment described above, mutual interference in wireless communication is less likely to occur, and only data communicated with a certain board can be communicated using the wireless communication apparatus that the board has, so that they are adjacent to each other. Even when trying to communicate with a substrate other than the substrate, an effect that the communication throughput as a whole can be prevented from being lowered can be obtained.

(Second Embodiment)
The present embodiment relates to a signal transfer board.
A signal transfer system including the signal transfer board of this embodiment will be described with reference to FIG.
The signal transfer system of this embodiment is different from the first embodiment in that it includes a signal transfer board 106d.

  The signal transfer board 106d of the present embodiment is different from the first communication unit 201s that wirelessly communicates with the wireless communication apparatus 104s included in the board 105s, and m is any one of a, b, c, and d different from s. A signal transfer board including a plurality of signal transfer apparatuses 101s including a second communication unit 202s communicating with the first communication unit 202s.

(Example of arrangement of wireless communication devices) (No claims, no drawings)
Connections between a plurality of signal transfer devices arranged on the signal transfer board 106d are configured as shown in FIGS. 4, 5, 6, and 7 in the same manner as the connection of the signal transfer apparatuses when not arranged on the signal transfer board. You may take However, when the wiring in the layer of the substrate is used in the signal transfer substrate 106d, since the number of layers of the substrate necessary for the wiring tends to increase as the number of wiring crosses increases, the number of layers should be suppressed. In the case of priority, it can be said that a connection in which the wiring does not cross as shown in FIGS.

(The second communication unit is wired / wireless)
Communication between the plurality of signal transfer devices arranged on the signal transfer board 106d, that is, the second communication may be, for example, wired communication (FIG. 12). By doing in this way, the effect that it is easy to cope with the case where the data rate required for 2nd communication is larger than 1st communication as mentioned above is acquired. Further, for example, the second communications 1303ab, 1303bc, and 1303cd may be wireless communications (FIG. 13). This eliminates the need for wiring on the signal transfer board, and the effect of facilitating the design of the signal transfer board can be obtained.

(Explanation of third communication)
The third communication that is communication between the signal transfer board 106d and the signal transfer board 106d ′ will be described with reference to FIGS. As shown in FIG. 14, a part or all of the signal transfer device arranged on the signal transfer board 106d includes a third communication unit that communicates with the signal transfer apparatus arranged on the other signal transfer board 106d ′. Some or all of them may be communicated. That is, the signal transfer apparatus 101s includes a third communication unit 203s in addition to the first communication unit 201s and the second communication unit 202s.

  The example of FIG. 14 shows an example in which each signal transfer apparatus 101s communicates (wires) with one of the signal transfer apparatuses 101s' on another board. Some signal transfer devices may not communicate with another signal transfer board. It is preferable to connect between the signal transfer apparatuses corresponding to the boards that frequently exchange data between the two signal transfer boards. FIG. 14 shows a case of wired communication, and FIG. 15 shows a case of wireless communication.

  The third communication unit 203s may use the same communication (wired or wireless) as the second communication unit 202s. By doing in this way, since the kind of communication which a signal transfer apparatus comprises can be reduced, the effect that a structure can be simplified is acquired.

  In the case where communication is performed between the signal transfer boards with a plurality of third communication units 203s, a part thereof may be wired communication and the remaining may be wireless communication. In this way, the wiring between the signal transfer boards can be reduced, and when the required data rate is low, wired communication is given priority, and when the required data rate is temporarily increased, wireless communication is further performed. By using it, it is possible to obtain the effect of adapting to changes in the required data rate.

  According to the second embodiment described above, as in the first embodiment, mutual interference in wireless communication is less likely to occur, and only the data communicated by a certain board 105s is used by the board. Therefore, even when attempting to communicate with the board 105m other than the adjacent board, it is possible to obtain an effect that the overall communication throughput can be prevented from being lowered.

  Furthermore, unlike the first embodiment, by arranging the signal transfer device on the signal transfer board 106d, the effect of reducing interference signals from the back surface of the signal transfer board can be further obtained, and the interference can be reduced more effectively. As a result, it is possible to obtain an effect that the reduction in communication throughput as a whole can be more effectively suppressed.

(Third embodiment)
The present embodiment relates to a signal processing apparatus including a signal transfer system.
The signal processing apparatus of this embodiment will be described with reference to FIG.
The signal processing apparatus 1600 of this embodiment includes a board 105s having a wireless communication apparatus 104s and a signal transfer apparatus 101s that communicates with the board.

  Examples of the signal processing device 1600 include computer devices such as personal computers and servers, business devices such as broadcasting devices, letter handling machines and POS terminals, security devices such as bank ATMs, and office devices such as printers and facsimiles. Such a signal processing apparatus has a plurality of substrates therein, performs necessary signal processing on each substrate, and communicates data related to signal processing with each other. As a result, since the communication with each board can be made wireless by using the signal transfer device, it is possible to reduce the wiring in the apparatus and to increase the degree of freedom of board arrangement.

  Furthermore, the signal processing apparatus 1600 may be other than the above-described example. For example, control devices installed in various plants of water and sewage facilities and monitoring devices such as buildings and roads can be mentioned. As other examples, there are various automation devices such as a mail processing device, a bill processing device, a station service automation device, a card issuing device such as a credit card (IC card) and an identification card. Still other examples include communication devices such as IP telephone exchanges and gateway devices.

  According to the third embodiment described above, the effect that the wiring in the apparatus can be reduced and the degree of freedom of the board arrangement can be obtained, and the communication throughput between the boards can be reduced such as interference in wireless communication. There is an effect that it can be prevented from being reduced due to the influence.

  Although several embodiments of the present invention have been described, these embodiments are presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

101a, 101b, 101c, 101d ... signal transfer device, 102a, 102b, 102c, 102d ... first communication, 103ab, 103bc, 103cd, 301ac, 301ad, 301bd, 701 ... wired, 104a, 104b, 104c, 104d ... wireless communication Device, 105a, 105b, 105c, 105d ... board, 106d ... signal transfer board, 201a, 201b, 201c, 201d ... first communication unit, 202a, 202b, 202c, 202d ... communication unit, 1004a, 1004c, 1004d ... wired communication Devices, 1303ab, 1303bc, 1303cd, wireless communication, 1600, signal processing device.

Claims (17)

A first communication unit that wirelessly communicates with a wireless communication device included in the substrate;
A second communication unit that communicates with another signal transfer device,
The first communication unit receives a signal from the wireless communication device on the first substrate, the second communication unit transmits the signal to the other signal transfer device, and the signal is transmitted through the other signal transfer device. To the wireless communication device on the second board,
The second communication unit is a wired communication der Ru signal transfer device. A first communication unit that wirelessly communicates with a wireless communication device included in the substrate;
A second communication unit that communicates with another signal transfer device,
The first communication unit receives a signal from the wireless communication device on the first substrate, the second communication unit transmits the signal to the other signal transfer device, and the signal is transmitted through the other signal transfer device. To the wireless communication device on the second board,
The second communication unit signal transfer device that communicates with a further signal transfer device. A first communication unit that wirelessly communicates with a wireless communication device included in the substrate;
A second communication unit that communicates with another signal transfer device,
The first communication unit receives a signal from the wireless communication device on the first substrate, the second communication unit transmits the signal to the other signal transfer device, and the signal is transmitted through the other signal transfer device. To the wireless communication device on the second board,
Signal transfer device wireless communication device each other is it spaced apart more than a distance between the substrates having different substrate. A first communication unit that wirelessly communicates with a wireless communication device included in the substrate;
A second communication unit that communicates with another signal transfer device,
The first communication unit receives a signal from the wireless communication device on the first substrate, the second communication unit transmits the signal to the other signal transfer device, and the signal is transmitted through the other signal transfer device. To the wireless communication device on the second board,
Different signal transfer device signal transfer device first communication unit each other is to use a different frequency channel at. A first communication unit that wirelessly communicates with a wireless communication device included in the substrate;
A signal transfer device comprising: a second communication unit that communicates with another signal transfer device;
The first communication unit receives a signal from the wireless communication device on the first substrate, the second communication unit transmits the signal to the other signal transfer device, and the signal is transmitted through the other signal transfer device. A plurality of signal transfer devices for transferring to the wireless communication device on the second board,
The second communication unit is Ru wired communication der signal transfer substrate. A first communication unit that wirelessly communicates with a wireless communication device included in the substrate;
A signal transfer device comprising: a second communication unit that communicates with another signal transfer device;
The first communication unit receives a signal from the wireless communication device on the first substrate, the second communication unit transmits the signal to the other signal transfer device, and the signal is transmitted through the other signal transfer device. A plurality of signal transfer devices for transferring to the wireless communication device on the second board,
Wherein the plurality of signal transfer part of the apparatus or all, signals transferred substrate you further comprising a third communication unit for communicating with another signal transfer device. A first communication unit that wirelessly communicates with a wireless communication device included in the substrate;
A second communication unit that communicates with another signal transfer device,
The first communication unit receives a signal from the wireless communication device on the first substrate, the second communication unit transmits the signal to the other signal transfer device, and the signal is transmitted through the other signal transfer device. To the wireless communication device on the second board,
The distance of wireless communication of the first communication unit, another wireless communication with the interferometric set to become less than the threshold value is Ru signal transfer device. A first substrate having a first wireless communication device;
A first signal transfer device comprising: a first communication unit that wirelessly communicates with the first wireless communication device; and a second communication unit that communicates with a second signal transfer device;
A second substrate having a second wireless communication device;
A second signal transfer device including a third communication unit that wirelessly communicates with the second wireless communication device, and a fourth communication unit that communicates with the first signal transfer device ;
The first signal transfer device receives a signal from the first wireless communication device on the first substrate by the first communication unit, and the second communication unit receives a signal from the first wireless communication device. A signal transmitted from the first wireless communication device to the second wireless communication device on the second board via the second signal transfer device, and the second communication unit performs wired communication. And
The second signal transfer device receives a signal from the second wireless communication device on the second substrate by the third communication unit, and the fourth communication unit receives a signal from the second wireless communication device. 1 signal transfer device, the signal from the second wireless communication device is transferred to the first wireless communication device on the first substrate via the first signal transfer device, the fourth communication unit is wired communication Is a signal transfer system. A first substrate having a first wireless communication device;
A first signal transfer device comprising: a first communication unit that wirelessly communicates with the first wireless communication device; and a second communication unit that communicates with a second signal transfer device;
A second substrate having a second wireless communication device;
A second signal transfer device including a third communication unit that wirelessly communicates with the second wireless communication device, and a fourth communication unit that communicates with the first signal transfer device ;
The first signal transfer device receives a signal from the first wireless communication device on the first substrate by the first communication unit, and the second communication unit receives a signal from the first wireless communication device. A signal transmitted from the first wireless communication device to the second wireless communication device on the second substrate via the second signal transfer device, and the second communication unit is further separated Communicate with other signal transfer devices,
The second signal transfer device receives a signal from the second wireless communication device on the second substrate by the third communication unit, and the fourth communication unit receives a signal from the second wireless communication device. 1 signal transfer device, the signal from the second wireless communication device is transferred to the first wireless communication device on the first substrate via the first signal transfer device, and the fourth communication unit is further separated Signal transfer system that communicates with other signal transfer devices. A first substrate having a first wireless communication device;
A first signal transfer device comprising: a first communication unit that wirelessly communicates with the first wireless communication device; and a second communication unit that communicates with a second signal transfer device;
A second substrate having a second wireless communication device;
A second signal transfer device including a third communication unit that wirelessly communicates with the second wireless communication device, and a fourth communication unit that communicates with the first signal transfer device ;
The first signal transfer device receives a signal from the first wireless communication device on the first substrate by the first communication unit, and the second communication unit receives a signal from the first wireless communication device. A signal transmitted from the first wireless communication device to the second wireless communication device on the second substrate via the second signal transfer device, and the wireless communication devices included in different substrates are connected to each other. Is placed more than the distance between these substrates,
The second signal transfer device receives a signal from the second wireless communication device on the second substrate by the third communication unit, and the fourth communication unit receives a signal from the second wireless communication device. One signal transfer device, the signal from the second wireless communication device is transferred to the first wireless communication device on the first substrate via the first signal transfer device, and the wireless communication devices on different substrates are connected to each other. Is a signal transfer system that is located more than the distance between these boards . A first substrate having a first wireless communication device;
A first signal transfer device comprising: a first communication unit that wirelessly communicates with the first wireless communication device; and a second communication unit that communicates with a second signal transfer device;
A second substrate having a second wireless communication device;
A second signal transfer device including a third communication unit that wirelessly communicates with the second wireless communication device, and a fourth communication unit that communicates with the first signal transfer device ;
The first signal transfer device receives a signal from the first wireless communication device on the first substrate by the first communication unit, and the second communication unit receives a signal from the first wireless communication device. A signal transmitted from the first wireless communication device to the second wireless communication device on the second substrate via the second signal transfer device, and the first signal transmitted from the first wireless communication device to the second signal transmission device. The communication units use different frequency channels,
The second signal transfer device receives a signal from the second wireless communication device on the second substrate by the third communication unit, and the fourth communication unit receives a signal from the second wireless communication device. 1 signal transfer device, and a signal from the second wireless communication device is transferred to the first wireless communication device on the first board via the first signal transfer device, and a third signal is transmitted from a third signal transmission device to a third signal transfer device. A signal transfer system in which communication units use different frequency channels . A first substrate having a first wireless communication device;
A first signal transfer device comprising: a first communication unit that wirelessly communicates with the first wireless communication device; and a second communication unit that communicates with a second signal transfer device;
A second substrate having a second wireless communication device;
A second signal transfer device comprising a third communication unit that wirelessly communicates with the second wireless communication device, and a fourth communication unit that communicates with the first signal transfer device;
A signal transfer board comprising the first signal transfer device and the second signal transfer device ;
The first signal transfer device receives a signal from the first wireless communication device on the first substrate by the first communication unit, and the second communication unit receives a signal from the first wireless communication device. A signal transmitted from the first wireless communication device to the second wireless communication device on the second board via the second signal transfer device, and the second communication unit performs wired communication. And
The second signal transfer device receives a signal from the second wireless communication device on the second substrate by the second communication unit, and the four communication units receive a signal from the second wireless communication device. A signal transmitted to the signal transfer device, a signal from the second wireless communication device is transferred to the wireless communication device on the first substrate via the first signal transfer device, and the fourth communication unit is a signal that is wired communication Transfer system. A first substrate having a first wireless communication device;
A first signal transfer device comprising: a first communication unit that wirelessly communicates with the first wireless communication device; and a second communication unit that communicates with a second signal transfer device;
A second substrate having a second wireless communication device;
A second signal transfer device comprising a third communication unit that wirelessly communicates with the second wireless communication device, and a fourth communication unit that communicates with the first signal transfer device;
A signal transfer board comprising the first signal transfer device and the second signal transfer device ;
Part or all of the first signal transfer device and the second signal transfer device further includes a third communication unit that communicates with another signal transfer device,
The first signal transfer device receives a signal from the first wireless communication device on the first substrate by the first communication unit, and the second communication unit receives a signal from the first wireless communication device. Transmitting to the second signal transfer device, and transferring the signal from the first wireless communication device to the second wireless communication device on the second substrate via the second signal transfer device;
The second signal transfer device receives a signal from the second wireless communication device on the second substrate by the second communication unit, and the four communication units receive a signal from the second wireless communication device. A signal transfer system for transmitting to a signal transfer device and transferring a signal from the second wireless communication device to the first wireless communication device on the first substrate via the first signal transfer device . A first substrate having a first wireless communication device;
A first signal transfer device comprising: a first communication unit that wirelessly communicates with the first wireless communication device; and a second communication unit that communicates with a second signal transfer device;
A second substrate having a second wireless communication device;
A second signal transfer device including a third communication unit that wirelessly communicates with the second wireless communication device, and a fourth communication unit that communicates with the first signal transfer device ;
The first signal transfer device receives a signal from the first wireless communication device on the first substrate by the first communication unit, and the second communication unit receives a signal from the first wireless communication device. A signal transmitted from the first wireless communication device to the second wireless communication device on the second board via the second signal transfer device, and wireless communication of the first communication unit The distance of is set so that interference with other wireless communication is below the threshold,
The second signal transfer device receives a signal from the second wireless communication device on the second substrate by the third communication unit, and the fourth communication unit receives a signal from the second wireless communication device. 1 signal transfer device, the signal from the second wireless communication device is transferred to the first wireless communication device on the first substrate via the first signal transfer device, and wireless communication of the third communication unit The signal transfer system is set such that the interference with other wireless communication is equal to or less than a threshold . A signal processing device comprising the signal transfer device according to any one of claims 1 to 4 and claim 7. A signal processing apparatus comprising the signal transfer substrate according to claim 5. A signal processing apparatus comprising the signal transfer system according to claim 8.

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