TWI450226B - Communication system - Google Patents
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- TWI450226B TWI450226B TW098112329A TW98112329A TWI450226B TW I450226 B TWI450226 B TW I450226B TW 098112329 A TW098112329 A TW 098112329A TW 98112329 A TW98112329 A TW 98112329A TW I450226 B TWI450226 B TW I450226B
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- 238000004891 communication Methods 0.000 title claims description 89
- 230000015654 memory Effects 0.000 claims description 7
- 238000012545 processing Methods 0.000 description 7
- 230000010355 oscillation Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
- H04Q9/02—Automatically-operated arrangements
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/04—Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
- H04Q9/04—Arrangements for synchronous operation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/40—Arrangements in telecontrol or telemetry systems using a wireless architecture
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- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
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- Selective Calling Equipment (AREA)
Description
本發明是關於搬送台車等的設備與遙控器之間進行通訊之系統。The present invention relates to a system for communicating between a device such as a transport vehicle and a remote controller.
已知在搬送台車等的設備與遙控器之間進行通訊，以手動使設備動作(例如，日本專利文獻1：JP2000-153905A)。這種通訊會有干擾的問題。例如，有複數種類似的設備，若欲複數個人分別與設備進行通訊的話，會有干擾的問題。另外，設備的周圍有無線LAN(local area network)或其他的設備等的電波產生源，與該兩者之間也會產生干擾。It is known that communication between a device such as a transfer car and a remote controller is performed to manually operate the device (for example, Japanese Patent Laid-Open Publication No. JP-A-2000-153905A). This kind of communication can have problems with interference. For example, there are a plurality of similar devices, and if there are multiple individuals who want to communicate with the device separately, there is a problem of interference. In addition, there is a radio wave generation source such as a wireless LAN (local area network) or other devices around the device, and interference occurs between the two.
為了要避免干擾，設備的通訊頻率可用指撥開關(DIP開關)等進行切換，即使是遙控器側，頻率也自由自在地切換，以避開會產生干擾的頻率的方式，進行通訊。然而，用指撥開關來切換頻率，則會成為人要靠近機器側來操作指撥開關，故會喪失用遙控器的意義。於是本發明者對於很簡單即可以避免通訊時的干擾或雜訊之系統進行檢討而完成本發明。In order to avoid interference, the communication frequency of the device can be switched by a dip switch (DIP switch), etc. Even on the remote controller side, the frequency is freely switched, and the communication is performed in a manner avoiding the frequency of the interference. However, using the dip switch to switch the frequency will cause the person to approach the machine side to operate the dip switch, thus losing the meaning of using the remote control. The inventors of the present invention have completed the present invention by reviewing a system that is simple enough to avoid interference or noise during communication.
日本專利文獻1：JP2000-153905AJapanese Patent Document 1: JP2000-153905A
本發明的課題係避免設備與遙控器之間進行通訊所受到的干擾。The problem of the present invention is to avoid interference caused by communication between the device and the remote controller.
本發明的通訊系統是一種併用紅外線與無線電，在遙控器與設備之間進行通訊之通訊系統，The communication system of the present invention is a communication system for communicating between a remote controller and a device by using infrared rays and radios.
其特徵為：利用紅外線通訊，由遙控器來對設備指定無線電通訊用的頻率，並且從設備來對遙控器是以被指定的頻率，利用無線電進行回覆。The utility model is characterized in that: the infrared communication is used, the frequency of the radio communication is specified by the remote controller, and the remote device is replied by the radio at the designated frequency.
最好是在前述遙控器中，設有：用來檢測有無受到干擾之手段、及記憶每個遙控器獨特的無線電通訊用的複數個頻率，並且當檢測出受到干擾時，切換頻率之頻率切換部，Preferably, in the aforementioned remote controller, there are: a means for detecting presence or absence of interference, and a plurality of frequencies for memorizing the unique radio communication of each remote controller, and switching frequency switching when detecting interference unit,
並且利用紅外線通訊，由遙控器來對設備指定前述切換後之無線電通訊用的頻率。And using infrared communication, the remote controller is used to specify the frequency of the aforementioned radio communication after switching.
另外，最好是在前述遙控器中，設有：用來檢測有無受到干擾之手段、及記憶無線電通訊用的複數個頻率，並且當檢測出受到干擾時，就每個遙控器以獨特的順序，切換前述複數個頻率之頻率切換部，In addition, it is preferable that the remote controller is provided with: a means for detecting presence or absence of interference, and a plurality of frequencies for memory radio communication, and in the case of interference, a unique order for each remote controller Switching the frequency switching unit of the plurality of frequencies,
利用紅外線通訊，由遙控器來對設備指定前述切換後之無線電通訊用的頻率。The infrared communication is used to specify the frequency of the aforementioned switched radio communication to the device by the remote controller.
本發明係利用紅外線通訊，由遙控器來對設備指定無線電通訊用的頻率。由於紅外線具有指向性，並不會從遙控器，對未被選擇的設備進行呼叫。另外，由於設備利用對遙控器所指定的頻率，以無線電進行回覆，可以使無線電通訊受到干擾的可能性減小。The present invention utilizes infrared communication to specify the frequency of radio communication for the device by the remote control. Since infrared rays are directional, they do not call from uncontrolled devices from the remote control. In addition, since the device responds by radio with the frequency specified for the remote controller, the possibility of interference of radio communication can be reduced.
遙控器記憶每個遙控器獨特的無線電通訊用的複數個頻率，利用這些頻率的任何一個頻率進行通訊的話，可以避免與其他的遙控器之間的干擾。即使這種方式，來自其他的設備或其他的通訊線路等的干擾仍可能產生，所以當檢測出干擾時切換頻率的話，可以更確實地避免無線電通訊所相關的干擾。頻率則是利用紅外線通訊，由遙控器來對設備指定無線電通訊用的頻率，以進行切換。The remote control memorizes the multiple frequencies used by each remote control for unique radio communication. By using any of these frequencies for communication, interference with other remote controls can be avoided. Even in this way, interference from other devices or other communication lines may occur, so when the frequency is switched when the interference is detected, the interference associated with the radio communication can be more reliably avoided. The frequency is the use of infrared communication, the remote control to specify the frequency of radio communication for the device to switch.
複數個遙控器，例如對於各個設備，指定偶然相同的頻率，則會造成干擾。此處，在遙控器中記憶無線電通訊用的複數個頻率，並且依照每個遙控器獨特的順序，切換前述複數個頻率的話，下一個通訊即可以避免干擾，當然，與其他的遙控器以外的設備或通訊線路等之間造成干擾的情況，也是切換頻率即可以避免干擾。此情況也是利用紅外線通訊，由遙控器來對設備指定頻率，進行頻率的切換。A plurality of remote controllers, for example, for each device, specify accidentally the same frequency, which may cause interference. Here, in the remote controller, a plurality of frequencies for radio communication are memorized, and if the plurality of frequencies are switched in accordance with the unique order of each remote controller, the next communication can be avoided to avoid interference, of course, other than the other remote controllers. In the case of interference between equipment or communication lines, etc., it is also the switching frequency to avoid interference. In this case, infrared communication is also used, and the frequency is switched by the remote controller to specify the frequency of the device.
以下，說明用來實施本發明的實施例。Hereinafter, embodiments for carrying out the invention will be described.
第1~4圖中表示實施例的通訊系統及其變形。第1圖為表示實施例的通訊系統及其使用環境，例如，沿著行進軌道4，2台搬送台車2a、2b等待來自遙控器12a、12b的指示。此處則是搬送台車的種類為軌台車，但也可以是無人搬送車或堆疊起重機或者頂棚行走車等。然後，以手動由遙控器來使搬送台車動作的情況，採用本實施例。The communication system of the embodiment and its modifications are shown in Figs. Fig. 1 is a diagram showing a communication system and an environment in which the embodiment is used. For example, along the traveling track 4, the two transporting carriages 2a, 2b wait for instructions from the remote controllers 12a, 12b. Here, the type of the transporting trolley is a railcar, but it may be an unmanned transport vehicle, a stacking crane, or a ceiling traveling vehicle. Then, the present embodiment is employed in a case where the transport carriage is manually operated by the remote controller.
搬送台車2a、2b分別備有通訊部6，裝備有無線電通訊用的天線8、及紅外線接收部10。無線電通訊無指向性，紅外線通訊則有指向性，例如在3~4個處所設置紅外線接收部10，即使從任何一個方向接收到紅外線的情況仍可以進行通訊。遙控器12a、12b側則是裝備有電通訊用的天線14、及紅外線通訊用的紅外線發送部16。Each of the transport carriages 2a and 2b is provided with a communication unit 6, and is equipped with an antenna 8 for radio communication and an infrared ray receiving unit 10. The radio communication has no directivity, and the infrared communication has directivity. For example, the infrared receiving unit 10 is provided at three to four places, and communication can be performed even when infrared rays are received from any one direction. The remote controllers 12a and 12b are equipped with an antenna 14 for electrical communication and an infrared transmitting unit 16 for infrared communication.
第1圖中，例如對於接近的位置上之2台搬送台車2a、2b，2個人以手動用遙控器12a、12b進行通訊。此處，周圍有無線LAN 18等，會有搬送台車2a、2b與遙控器12a、12b進行通訊受到干擾之虞。另外，還會有來自其他的處理裝置20也有放出干擾電波的可能性。此外，無線LAN 18或處理裝置20對於搬送台車2a、2b與遙控器12a、12b之間的通訊造成干擾的情況，會有利用來自遙控器12a、12b等的通訊，反而對於無線LAN 18或處理裝置20側造成干擾的可能性。In the first drawing, for example, two persons transporting the carts 2a and 2b at the approaching position communicate with the manual remote controllers 12a and 12b. Here, there is a wireless LAN 18 or the like in the vicinity, and the communication between the transport vehicles 2a and 2b and the remote controllers 12a and 12b is disturbed. In addition, there may be other processing devices 20 that may also emit interference radio waves. Further, in the case where the wireless LAN 18 or the processing device 20 interferes with the communication between the transporting carriages 2a, 2b and the remote controllers 12a, 12b, communication from the remote controllers 12a, 12b, etc. may be utilized, instead, for the wireless LAN 18 or processing. The possibility of interference on the side of the device 20 is caused.
第2圖中表示遙控器12的構成。圖號22為觸控面板，液晶顯示0器與感壓開關等相重疊的面板。圖號23為鍵盤，也可以不設置。圖號24為頻率切換部，記憶與搬送台車2進行無線電通訊所應用的複數個頻率，並且依照特定的順序切換頻率。另外，計時器25則是將利用紅外線或者無線電，由遙控器12來對於搬送台車2要求回覆後，直到實際收到回覆為止的時間予以計數。The structure of the remote controller 12 is shown in Fig. 2 . Figure 22 is a touch panel, a panel in which a liquid crystal display 0 and a pressure sensitive switch overlap. Figure 23 is the keyboard, and may not be set. Numeral No. 24 is a frequency switching unit that memorizes a plurality of frequencies applied to radio communication with the transport trolley 2, and switches the frequencies in a specific order. In addition, the timer 25 counts the time until the transfer carriage 2 is requested by the remote controller 12 by infrared rays or radio, until the time when the reply is actually received.
當在特定的時間內無法接收與必要格式一致的回覆時，遙控器12可以檢測出無線電通訊受到干擾。具體上，計時器25在接收來自搬送台車2的無線電訊號時之前就已結束計時，頻率切換部24則會切換無線電通訊所應用的頻率。以這種方法，可以既簡單又確實地檢測出無線電通訊是否受到妨礙程度的干擾。此外，干擾的檢測手法本身為任意。When a reply consistent with the necessary format cannot be received within a certain time, the remote controller 12 can detect that the radio communication is disturbed. Specifically, the timer 25 ends the counting before receiving the radio signal from the transporting carriage 2, and the frequency switching unit 24 switches the frequency to which the radio communication is applied. In this way, it is possible to detect, simply and surely, whether the radio communication is interfered with. In addition, the detection method of interference itself is arbitrary.
搬送台車2側，設有複數個紅外線接收部10及天線8之外，還設有通訊CPU 26，與遙控器12進行通訊。通訊結果傳送給主CPU 28，以控制搬送台車2。頻率切換部29係依照從遙控器12以紅外線通訊進行通訊的頻率，切換振盪電路30的振盪頻率，且切換無線電通訊頻率。In addition to the plurality of infrared receiving units 10 and the antennas 8, a plurality of infrared receiving units 10 and antennas 8 are provided, and a communication CPU 26 is provided to communicate with the remote controller 12. The communication result is transmitted to the main CPU 28 to control the transport trolley 2. The frequency switching unit 29 switches the oscillation frequency of the oscillation circuit 30 in accordance with the frequency at which the remote controller 12 communicates by infrared communication, and switches the radio communication frequency.
第3圖中表示頻率切換部所記憶的頻率表32。頻率表32中，每個遙控器12是獨特的，也就是遙控器間不會有重複的頻率，例如記憶有n個。n為2~5的程度。此情況，搬送台車2側的頻率切換部29，記憶複數個遙控器12應用的全部無線電通訊頻率。The frequency table 32 stored in the frequency switching unit is shown in Fig. 3 . In the frequency table 32, each of the remote controllers 12 is unique, that is, there is no repetition frequency between the remote controllers, for example, there are n memories. n is 2 to 5 degrees. In this case, the frequency switching unit 29 on the side of the transporting vehicle 2 memorizes all the radio communication frequencies applied by the plurality of remote controllers 12.
由遙控器12對搬送台車2進行通訊的情況，指定最初利用紅外線通訊進行通訊之台車的車號或台車的ID、及通訊所應用的無線電電頻率或無線電頻率的代碼。每個遙控器獨特的無線電頻率，因而例如指定遙控器的ID、及該遙控器上之頻率的代碼。由於紅外線通訊具有指向性，即使是如同第1圖的環境下，來自遙控器12a的紅外線通訊，仍只有搬送台車2a會接收，其他的搬送台車2b並不會接收。然後，搬送台車2a側，以被指定的頻率，利用無線電通訊，經由天線8進行回覆。以下的通訊則是以被指定的頻率，利用無線電通訊進行。When the remote control unit 12 communicates with the transport vehicle 2, the ID of the vehicle or the ID of the vehicle that is initially communicated by infrared communication, and the code of the radio frequency or radio frequency to which the communication is applied are designated. Each remote control has a unique radio frequency, thus for example specifying the ID of the remote control and the code of the frequency on the remote control. Since the infrared communication has directivity, even in the environment as shown in Fig. 1, the infrared communication from the remote controller 12a is received only by the transport trolley 2a, and the other transport trolley 2b does not receive it. Then, the carriage 2a side is transported, and the antenna 8 is replied by radio communication at a designated frequency. The following communication is carried out using radio communication at the specified frequency.
實施例中，應用在無線電通訊為每個遙控器12獨特的頻率，與其他的遙控器之間並不會造成干擾。然而，與無線LAN 18或其他的裝置20之間則有可能造成干擾。這種情況，會造成無法在計時器25所計數之特定的時間內，從遙控器12側，接收正常的回覆。這種情況造成干擾的話，利用紅外線通訊，對搬送台車2指定下一個無線電通訊用的頻率。依照此方式，在搬送台車2側切換頻率再度進行通訊。In the embodiment, the application is such that the radio communication has a unique frequency for each remote controller 12, and does not cause interference with other remote controllers. However, interference may occur between the wireless LAN 18 or other devices 20. In this case, it is impossible to receive a normal reply from the remote controller 12 side within a specific time counted by the timer 25. In the case of such a situation, the frequency of the next radio communication is assigned to the transporting trolley 2 by infrared communication. According to this method, the frequency is switched again on the side of the transporting carriage 2 to perform communication again.
遙控器12所記憶著的n個無線電頻率全部受到干擾很稀少，因而以任何一個頻率，可以正常地進行無線電通訊。換言之，利用紅外線通訊，以防止與未被指定的搬送台車進行通訊。利用紅外線通訊指定無線電通訊的頻率，以每個遙控器獨特之無線電通訊用的頻率，防止遙控器之間的干擾。然後，利用切換頻率來避免與其他的處理裝置或無線LAN之間的干擾。The n radio frequencies memorized by the remote controller 12 are all very rare, so that radio communication can be performed normally at any one frequency. In other words, infrared communication is used to prevent communication with unspecified transport vehicles. The frequency of radio communication is specified by infrared communication, and the interference between the remote controllers is prevented by the frequency of each radio communication unique to each remote controller. The switching frequency is then utilized to avoid interference with other processing devices or wireless LANs.
記憶每個遙控器獨特之無線電通訊用的頻率，能夠防止遙控器12之間的干擾，但搬送台車2側則必須記憶較多數的頻率。於是，最初指定的頻率，在遙控器之間受到干擾的情況，切換頻率以避免干擾，將這種方式顯示在第4圖中。該變形例中，可以使在搬送台車2記憶的頻率數減少。It is possible to prevent the interference between the remote controllers 12 by memorizing the frequency of the unique radio communication of each remote controller, but it is necessary to memorize a large number of frequencies on the side of the transporting carriage 2. Thus, the initially designated frequency is disturbed between the remote controllers, and the frequency is switched to avoid interference, and this mode is shown in Fig. 4. In this modification, the number of frequencies stored in the transport carriage 2 can be reduced.
圖號41、42為新的頻率表，遙控器12之間，設定記憶的頻率為共同，但頻率的記憶順序並不相同。變形例中，將無線電通訊所使用之頻率的順序形成為每個遙控器獨特即可，該例子則是將記憶順序形成為每個遙控器獨特。將每個遙控器要使用那一個頻率的順序形成為獨特，即是使頻率表41、42中記憶的頻率要依照那一個順序每個遙控器並不相同。搬送台車2側，頻率表41、42的頻率為共同，因而可以使記憶的頻率數減少。The numbers 41 and 42 are new frequency meters. The frequencies of the set memories are common between the remote controllers 12, but the memory order of the frequencies is not the same. In the modification, the order of the frequencies used for the radio communication is formed to be unique for each remote controller, and the example is to form the memory order uniquely for each remote controller. The order in which each of the remote controllers is to be used is formed uniquely, that is, the frequencies memorized in the frequency tables 41, 42 are not the same for each remote controller in that order. On the side of the transporting carriage 2, the frequencies of the frequency tables 41 and 42 are common, so that the number of frequencies of memory can be reduced.
第4圖的情況，利用紅外線通訊，由遙控器來指定台車的代號及使用頻率帶的代號。遙控器持有來自搬送台車之以無線電所傳送的回覆，在計時器25暫停計時之前可以正常的接收的話，以該頻率進行無線電通訊。在接收正常的回覆之前計時器25暫停計時，則會依照頻率表41、42來切換頻率。此處，通訊所應用之頻率的順序，每個遙控器12是獨特的，因而如果遙控器之間最初指定相同頻率，造成干涉的情況，下一次切換頻率還會造成干擾也僅是些微的機率而已。以此方式，避免遙控器之間的干擾。另外，與無線LAN 18或其他的處理裝置20等之間造成干擾的情況，也是經由切換頻率來防止干擾。In the case of Fig. 4, the code of the trolley and the code of the frequency band are designated by the remote controller by infrared communication. The remote controller holds a reply transmitted by the radio from the transporting trolley, and performs radio communication at the frequency if the timer 25 can be normally received before the timer is paused. The timer 25 pauses before receiving a normal reply, and the frequency is switched in accordance with the frequency tables 41, 42. Here, the order of the frequencies applied by the communication is unique to each remote controller 12, so if the same frequency is initially specified between the remote controllers, causing interference, the next switching frequency may cause interference and only a slight probability. Only. In this way, interference between the remote controls is avoided. Further, in the case where interference occurs between the wireless LAN 18 or another processing device 20 or the like, interference is also prevented via the switching frequency.
實施例獲得以下的效果：The embodiment achieves the following effects:
(1)以由遙控器所指定的頻率進行通訊，因而干擾之可能性很小。當然，不必以手動來操作指撥開關。(1) Communication is performed at a frequency specified by the remote controller, so the possibility of interference is small. Of course, it is not necessary to operate the dip switch manually.
(2)利用每個遙控器獨特的頻率，遙控器之間不會造成干擾。(2) Using the unique frequency of each remote control, there is no interference between the remote controls.
(3)使遙控器之間切換無線電通訊用的頻率之順序不相同，如果產生干擾，經由切換頻率，仍可以避免干擾。(3) The order of switching the frequency of radio communication between remote controllers is different. If interference occurs, interference can still be avoided by switching the frequency.
(4)記憶複數種通訊所應用的頻率並依序切換，也可以防止與無線LAN 18或其他的處理裝置等之間的干擾。(4) The frequencies applied by the plurality of types of communication are memorized and sequentially switched, and interference with the wireless LAN 18 or other processing devices or the like can also be prevented.
實施例中表示用頻率表41、42來記憶頻率的例子，不過頻率例如也可以當作時脈頻率的分頻率等予以記憶，還可以利用頻率設定用的電容等以硬體方式予以記憶。In the embodiment, an example in which the frequency is stored by the frequency tables 41 and 42 is shown. However, the frequency may be memorized as a frequency of the clock frequency or the like, or may be memorized by a capacitor such as a frequency setting.
2．．．搬送台車2. . . Moving trolley
4．．．行進軌道4. . . Travel track
6．．．通訊部6. . . Ministry of Communications
8、14．．．天線8, 14. . . antenna
10．．．紅外線接收部10. . . Infrared receiver
12．．．遙控器12. . . remote control
16．．．紅外線發送部16. . . Infrared transmitting unit
18．．．無線LAN18. . . Wireless LAN
20．．．處理裝置20. . . Processing device
22．．．觸控面板twenty two. . . Touch panel
23．．．鍵盤twenty three. . . keyboard
24．．．頻率切換部twenty four. . . Frequency switching unit
25．．．計時器25. . . Timer
26．．．通訊CPU26. . . Communication CPU
28．．．主CPU28. . . Main CPU
29．．．頻率切換部29. . . Frequency switching unit
30．．．振盪電路30. . . Oscillation circuit
32、41、42．．．頻率表32, 41, 42. . . Frequency table
第1圖為表示實施的通訊系統及其使用環境之圖。Fig. 1 is a view showing a communication system implemented and an environment in which it is used.
第2圖為實施例中的通訊系統之方塊圖。Figure 2 is a block diagram of the communication system in the embodiment.
第3圖為表示實施例中所使用的頻率表之圖。Fig. 3 is a view showing a frequency table used in the embodiment.
第4圖為表示頻率表的其他例子之圖。Fig. 4 is a view showing another example of the frequency table.
2．．．搬送台車2. . . Moving trolley
8．．．天線8. . . antenna
10．．．紅外線接收部10. . . Infrared receiver
12．．．遙控器12. . . remote control
14．．．天線14. . . antenna
16．．．紅外線發送部16. . . Infrared transmitting unit
22．．．觸控面板twenty two. . . Touch panel
23．．．鍵盤twenty three. . . keyboard
24．．．頻率切換部twenty four. . . Frequency switching unit
25．．．計時器25. . . Timer
26．．．通訊CPU26. . . Communication CPU
28．．．主CPU28. . . Main CPU
29．．．頻率切換部29. . . Frequency switching unit
30．．．振盪電路30. . . Oscillation circuit
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008108808A JP4577587B2 (en) | 2008-04-18 | 2008-04-18 | Communications system |
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| Publication Number | Publication Date |
|---|---|
| TW200945271A TW200945271A (en) | 2009-11-01 |
| TWI450226B true TWI450226B (en) | 2014-08-21 |
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| TW098112329A TWI450226B (en) | 2008-04-18 | 2009-04-14 | Communication system |
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| JP (1) | JP4577587B2 (en) |
| KR (1) | KR101291623B1 (en) |
| CN (1) | CN101561968B (en) |
| TW (1) | TWI450226B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2013149038A (en) * | 2012-01-18 | 2013-08-01 | Toshiba Corp | Transmitter and receiver |
| WO2016181734A1 (en) | 2015-05-11 | 2016-11-17 | 村田機械株式会社 | Automatic operation equipment system, emergency stop terminal, and control method for operation terminal |
| JP6294920B2 (en) * | 2016-08-05 | 2018-03-14 | フクダ電子株式会社 | Medical telemeter system and transmitter |
| JP7206778B2 (en) * | 2018-10-15 | 2023-01-18 | 村田機械株式会社 | Autonomous driving equipment system |
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- 2009-02-03 KR KR1020090008610A patent/KR101291623B1/en active IP Right Grant
- 2009-03-26 CN CN2009101297601A patent/CN101561968B/en not_active Expired - Fee Related
- 2009-04-14 TW TW098112329A patent/TWI450226B/en not_active IP Right Cessation
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| JPH0877645A (en) * | 1994-08-31 | 1996-03-22 | Matsushita Electric Ind Co Ltd | Wireless reproducing apparatus |
| JPH10285666A (en) * | 1997-04-11 | 1998-10-23 | Futaba Corp | Setting information change method for radio receiver for control, radio transmitter for control and radio receiver for control |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2009260773A (en) | 2009-11-05 |
| KR20090110780A (en) | 2009-10-22 |
| JP4577587B2 (en) | 2010-11-10 |
| CN101561968B (en) | 2013-05-15 |
| TW200945271A (en) | 2009-11-01 |
| CN101561968A (en) | 2009-10-21 |
| KR101291623B1 (en) | 2013-08-01 |
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