WO2010137365A1 - 半導体集積回路装置 - Google Patents
半導体集積回路装置 Download PDFInfo
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- WO2010137365A1 WO2010137365A1 PCT/JP2010/052540 JP2010052540W WO2010137365A1 WO 2010137365 A1 WO2010137365 A1 WO 2010137365A1 JP 2010052540 W JP2010052540 W JP 2010052540W WO 2010137365 A1 WO2010137365 A1 WO 2010137365A1
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- slot length
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- 239000004065 semiconductor Substances 0.000 title claims description 27
- 238000004891 communication Methods 0.000 claims abstract description 106
- 230000008859 change Effects 0.000 claims abstract description 10
- 230000004044 response Effects 0.000 claims description 11
- 238000012546 transfer Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/4013—Management of data rate on the bus
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40215—Controller Area Network CAN
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40267—Bus for use in transportation systems
- H04L2012/40273—Bus for use in transportation systems the transportation system being a vehicle
Definitions
- the present invention relates to a communication technique in a communication network, and more particularly, to a technique effective for improving a communication speed in a communication network system that performs communication via a CAN (Controller Area Network) bus.
- CAN Controller Area Network
- a CAN protocol is widely used as a communication protocol used for a LAN or the like, particularly as a communication protocol for a communication network for automobiles.
- a receiving unit provided in an ECU (Electric Control Unit) or the like normally receives a message
- the receiving unit transmits a 1-bit response signal called ACK to the transmitting unit.
- the transmitting unit confirms that at least one or more units (ECUs) have successfully received the message by receiving the ACK.
- an ACKX width variable circuit for changing the ACKX signal width, and an ACKX width setting key for setting the ACKX signal width related to the change to the ACKX width variable circuit; Is known to improve the data transfer speed from the host computer to the printer as much as possible in accordance with the performance of the host computer and the printer, and realize high-speed printing of the printer (see Patent Document 1).
- the transmitting unit In the CAN protocol, the transmitting unit must receive the ACK bit (1 bit) transmitted by the receiving unit at the ACK slot position (1 bit) of the frame at the ACK (1 bit) slot position of the frame of the transmitting unit itself. . Therefore, a propagation delay of 1 bit or more is not allowed in the standard.
- An object of the present invention is to provide a technique capable of realizing high-speed communication while maintaining compatibility with a communication protocol in a communication network.
- the present invention relates to a semiconductor integrated circuit device including a controller that controls an actuator that performs a predetermined operation based on a CAN protocol message transferred via a communication bus, and the controller performs communication according to the CAN protocol.
- a communication control unit for controlling, and the communication control unit arbitrarily varies the slot length of the response signal for confirming that the message has been normally received from 1 bit to a plurality of bits, and responds to the response signal having a variable number of bits. Communication is performed according to the communication speed.
- the ACK bit which is a response signal, is 1 bit as in the normal CAN protocol, and is transmitted at the start timing of the ACK slot.
- the communication control unit includes a first storage unit that stores the changed ACK slot length, and the ACK change protocol is set when the ACK change protocol for changing the ACK slot length is notified.
- the ACK slot length is changed by storing the ACK slot length in the first storage unit.
- the communication control unit includes a first storage unit that stores the changed ACK slot length, and a second storage unit that stores a maximum communicable frequency, and is a semiconductor other than the communication master.
- the communication control unit provided in the integrated circuit device is communicable stored in the second storage unit when the semiconductor integrated circuit device serving as the communication master notifies the communication speed inquiry protocol for inquiring the maximum communication speed.
- the maximum frequency is returned, the ACK slot length calculated by the semiconductor integrated circuit device serving as the communication master is stored in the first storage unit, and the communication control unit provided in the semiconductor integrated circuit device serving as the communication master is other than the communication master ACK slot length is calculated from the frequency returned from the semiconductor integrated circuit device, and the shortest slot length among the calculated ACK slot lengths is a semiconductor other than the communication master.
- Notify product circuit device performs communication by the communication speed according to the response signal of the variable slot length.
- the communication speed can be increased without being limited by the harness length or the like.
- FIG. 3 is a timing chart showing an example of frame transfer timing for explaining a variable ACK slot length used for communication of the ECU of FIG. 1.
- FIG. 3 is an explanatory diagram showing an example of a frame configuration when ACK is variable in FIG. 2.
- 3 is a flowchart showing an example of setting an ACK slot length by the ECU of FIG. 1. It is explanatory drawing which shows an example when ACK cannot be received by the delay of the response which this inventor examined.
- FIG. 1 is a block diagram showing an example of a connection form of an in-vehicle network according to an embodiment of the present invention
- FIG. 2 is an example of a frame transfer timing for explaining a variable ACK slot length used for ECU communication in FIG.
- FIG. 3 is an explanatory diagram showing an example of the frame configuration when the ACK is varied in FIG. 2
- FIG. 4 is a flowchart showing an example of setting the ACK slot length by the ECU in FIG.
- the connection form of the in-vehicle network of the automobile has a configuration in which a plurality of ECUs 1, 1a, 1b are connected to each other via a CAN bus Bc serving as a communication bus.
- a CAN bus Bc serving as a communication bus.
- the ECU is connected to the actuator.
- These ECUs 1, 1a, and 1b are semiconductor integrated circuit devices that control various types of information such as navigation systems and audio information, power train systems such as engines and chassis, and body systems such as air conditioners, headlights, and door locks. is there. Further, the actuators Ac controlled by the ECUs 1, 1a, 1b are connected to the ECUs 1, 1a, 1b, respectively.
- the ECU 1 includes a CAN transceiver / receiver 2 and an MCU (Micro Controller Unit) 3 serving as a controller.
- the ECU 1 is connected to the CAN bus Bc via the CAN transceiver / receiver 2.
- a CAN protocol differential signal is transferred to the CAN bus Bc.
- the CAN transceiver / receiver 2 converts the differential signal input via the CAN bus Bc into a digital signal and outputs the digital signal to the MCU 3, and also converts the digital signal output from the MCU 3 into a differential signal and converts it into the CAN bus Bc. Output to.
- the MCU 3 includes a CAN interface 4, a communication control unit 5, a timer 6, a RAM (Random Access Memory) 7, a memory 8 including a non-volatile semiconductor memory exemplified by a flash memory, and a CPU (Central Processing Unit) 9. ing. Further, the communication control unit 5, the timer 6, the RAM 7, the memory 8, and the CPU 9 are connected to each other via the internal bus Bs.
- the CAN interface 4 is an interface between the MCU 3 and the CAN bus Bc.
- the communication control unit 5 controls communication with other ECUs according to the CAN protocol.
- the communication control unit 5 includes a register 5a that functions as a first storage unit and a second storage unit, and is a response signal having an ACK slot length based on information stored in the register 5a. It has a function of changing the number of ACK bits statically.
- Timer 6 counts up the timer clock, etc., sets the desired time, and outputs a timer counter signal when it reaches a certain time.
- the RAM 7 is used for temporary storage of data, for example, temporary storage of data received from the CAN network and data transmitted to the CAN network.
- the memory 8 is composed of a nonvolatile semiconductor memory exemplified by a flash memory, and mainly stores an operation program of the MCU 3.
- the operation program is, for example, a CAN communication program or an actuator control program.
- the CPU 9 manages all control in the MCU 3.
- the other ECUs 1a and 1b have the same configuration as the ECU 1.
- the ACK bit length is set to be variable to a plurality, for example, about 2 bits, and the communication speed is changed to increase.
- the ECU 1 serving as a master notifies all of the ECUs 1a and 1b of a change in the ACK slot length (for example, a slot length that is twice the normal).
- the ECUs 1a and 1b change the ACK slot length received from the master ECU 1.
- the changed ACK slot length is stored in a register 5a provided in each ECU 1a, 1b.
- an ECU serving as a master can be any one of a plurality of in-vehicle ECUs as a master.
- a new program can be input from the outside.
- Possible ECUs such as a wireless network transceiver connected to a navigation system or an external network are applicable.
- the master ECU 1 transmits the latest version upgrade program or the like to the ECUs 1a and 1b at a communication speed corresponding to the variable ACK slot length. Thereafter, when the upgrade of all the ECUs 1, 1a, 1b is completed, the master ECU 1 notifies the ACK slot length to be the original ACK slot length. In response to this, the register 5a of the ECUs 1a and 1b stores the notified ACK slot length.
- the ACK slot length can be varied to improve the communication speed, so that the update time can be greatly shortened.
- FIG. 2 is a timing chart showing an example of frame transfer timing explaining the variable ACK slot length.
- the timing chart shown in the upper part of FIG. 2 shows the frame transfer timing at the frequency n of the transfer rate (communication frequency) used for normal CAN communication, and the timing chart shown in the lower part of FIG. 2 shows the transfer of twice the frequency n.
- the frame transfer timing at the frequency 2n which is the rate is shown.
- the ACK slot length t1 at the transfer rate of frequency n and the ACK slot length t2 at the transfer rate of frequency 2n are equal, but the value obtained by converting the slot length to the number of bits is twice the number of bits. It becomes.
- the 1-bit width is halved, so the setting based on the number of bits of the ACK slot length needs to be doubled. Therefore, when the communication speed is doubled, for example, two cycles having the same time (ACK slot length t2) as the ACK slot length t1 of frequency n are calculated as the number of bits for setting the ACK slot.
- FIG. 3 is an explanatory diagram showing an example of the configuration of the frame 10 when the ACK slot length is variable.
- the frame 10 includes an SOF (Start (Of Frame) 11, an arbitration field 12, a control field 13, a data field 14, a CRC field 15, an ACK field 16, and an EOF (End Of Frame) 17. Yes.
- the SOF 11 indicates the start of a frame
- the arbitration field 12 includes, for example, an ID value and an RTR (Remote Transmission Request).
- the control field 13 is a field that represents a reserved bit and the number of bytes of data
- the data field 14 is composed of data of a plurality of bits (for example, 64 bits).
- the CRC field 15 is a field for checking a transmission error, and includes a CRC and a CRC delimiter indicating the end of the CRC.
- the ACK field 16 is a field for confirming that reception has been completed normally, and is composed of an ACK and an ACK delimiter indicating the end of the ACK.
- EOF 17 indicates the end of the frame.
- the ACK slot length in the ACK field 16 can be arbitrarily variably set from 1 bit to a plurality of bits (about 4 bits in this example).
- the maximum number of bits to which “H” is continuously transmitted is 4 bits (portion indicated by shading) considering the bit stuff function.
- the bit stuff function is a function for adding a bit whose level is inverted to the next bit when 5 identical bit levels are consecutive between SOF 11 and CRC field 15. Further, if 'H' continues for 11 bits, another ECU may detect a bus idle and transmit a frame to the bus.
- the maximum ACK slot length is 4 bits (variable from 1 to 4 bits).
- the ACK slot length is 1 bit as a default value, and in the case of 1 bit, it can be used in the same manner as a normal CAN protocol.
- the ECU 1 is a communication master
- the ECU 1a can communicate at a communication speed (communication frequency) of a maximum 2n frequency
- the ECUs 1 and 1b can communicate at a communication speed (communication frequency) of a maximum 4n frequency. It shall be.
- the process shown below is mainly processed by the communication control part 5, for example.
- the ECU 1 as a master inquires of the ECU 1a about the maximum communication speed of the ECU 1a (step S101).
- the ECU 1a returns a preset maximum communication speed (2n frequency) to the ECU 1 (step S102).
- the ECU 1 calculates the ACK slot length t1 from the received communication speed of the ECU 1a, and stores the result as the number of bits in the register 5a of the ECU 1 (step S103). Subsequently, the ECU 1 inquires of the ECU 1b about the maximum communication speed of the ECU 1b (step S104). The ECU 1b returns a preset maximum communication speed (4n frequency) to the ECU 1 (step S105).
- the ECU 1 calculates the ACK slot length t2 from the received communication speed of the ECU 1b, and stores the result in the register 5a of the ECU 1 in the number of bits, similarly to the process of step S103 (step S106).
- the ECU 1 compares the ACK slot length t1 stored in the register 5a with the ACK slot length t2, and selects the value (t1) having the smallest number of bits (step S107).
- step S110 CAN communication using the frequency 2n is started (step S111).
- the ACK cycle inquiry protocol is not necessary.
- the master ECU 1 inquires the other ECUs 1a and 1b about the communication speed and selects the shortest ACK slot length.
- the master ECU 1 may inquire the other ECUs 1a and 1b to select the smallest bit number.
- the most efficient communication speed can be flexibly selected, so that the communication speed can be increased.
- the communication speed can be increased without being restricted by the harness length or the like.
- the ACK slot length can be set to 1 bit, compatibility with a normal CAN communication protocol can be maintained.
- the present invention is suitable for a communication speed improvement technique in a semiconductor integrated circuit device used in a communication system such as an automobile.
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Abstract
Description
Claims (4)
- 通信バスを介して転送されるCANプロトコルのメッセージに基づいて、アクチュエータを制御するコントローラを備えた半導体集積回路装置であって、
前記コントローラは、
前記CANプロトコルに従って通信を制御する通信制御部を備え、
前記通信制御部は、
前記メッセージを正常に受信したことを確認する応答信号のスロット長を1ビットから複数ビットに任意に可変し、可変したビット数の応答信号に応じた通信速度によって通信を行うことを特徴とする半導体集積回路装置。 - 請求項1記載の半導体集積回路装置において、
前記通信制御部は、
変更後のACKスロット長を格納する第1の格納部を備え、ACKスロット長を変更するACK変更プロトコルが通知された際に、前記ACK変更プロトコルに設定されたACKスロット長を前記第1の格納部に格納してACKスロット長を変更することを特徴とする半導体集積回路装置。 - 請求項1記載の半導体集積回路装置において、
前記通信制御部は、
変更後のACKスロット長を格納する第1の格納部と、
通信可能な最大周波数を格納する第2の格納部とを備え、
通信マスタ以外の前記半導体集積回路装置に設けられた通信制御部は、
通信マスタとなる前記半導体集積回路装置が最大通信速度を問い合わせる通信速度問い合わせプロトコルを通知した際に、前記第2の格納部に格納されている通信可能な最大周波数を返信し、前記通信マスタとなる半導体集積回路装置が算出したACKスロット長を前記第1の格納部に格納し、
前記通信マスタとなる半導体集積回路装置に設けられた通信制御部は、
前記通信マスタ以外の半導体集積回路装置から返信された周波数からACKスロット長を算出し、算出した前記ACKスロット長のうち、最も短いスロット長(最も短いビット数)を前記通信マスタ以外の半導体集積回路装置に通知し、可変したスロット長の応答信号に応じた通信速度によって通信を行うことを特徴とする半導体集積回路装置。 - 請求項1~3のいずれか1項に記載の半導体集積回路装置において、
可変される前記スロット長は、1~複数ビットであることを特徴とする半導体集積回路装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011515921A JP5143282B2 (ja) | 2009-05-27 | 2010-02-19 | 半導体集積回路装置 |
CN201080022873.2A CN102449958B (zh) | 2009-05-27 | 2010-02-19 | 半导体集成电路装置 |
EP10780325.6A EP2437437B1 (en) | 2009-05-27 | 2010-02-19 | Semiconductor integrated circuit device |
US13/322,271 US8605744B2 (en) | 2009-05-27 | 2010-02-19 | Semiconductor integrated circuit device |
Applications Claiming Priority (2)
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JP2009-127478 | 2009-05-27 | ||
JP2009127478 | 2009-05-27 |
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WO2010137365A1 true WO2010137365A1 (ja) | 2010-12-02 |
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PCT/JP2010/052540 WO2010137365A1 (ja) | 2009-05-27 | 2010-02-19 | 半導体集積回路装置 |
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US (1) | US8605744B2 (ja) |
EP (1) | EP2437437B1 (ja) |
JP (1) | JP5143282B2 (ja) |
KR (1) | KR101596540B1 (ja) |
CN (1) | CN102449958B (ja) |
WO (1) | WO2010137365A1 (ja) |
Cited By (1)
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JP7585779B2 (ja) | 2020-12-25 | 2024-11-19 | 三菱電機株式会社 | 通信装置、エレベーター通信装置、及び、通信方法 |
Families Citing this family (4)
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DE102011077493A1 (de) * | 2010-06-23 | 2012-04-26 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Datenübertragung mit variabler Bitlänge |
EP2712123A1 (en) * | 2012-09-20 | 2014-03-26 | Robert Bosch Gmbh | Standard CAN implementation tolerating CAN FD frames |
WO2019123458A1 (en) * | 2017-12-24 | 2019-06-27 | Technion Research & Development Foundation Limited | Message authentication based on a physical location on a bus |
CN114416140B (zh) * | 2022-01-18 | 2024-04-09 | 广州导远电子科技有限公司 | 一种基于ecu的升级方法及装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05316124A (ja) * | 1992-05-06 | 1993-11-26 | Honda Motor Co Ltd | データ伝送方法 |
JPH1191212A (ja) | 1997-09-24 | 1999-04-06 | Canon Inc | 印字装置、印字方法、及び記憶媒体 |
JP2005145262A (ja) * | 2003-11-17 | 2005-06-09 | Denso Corp | 車載用lanシステム |
JP2009077126A (ja) * | 2007-09-20 | 2009-04-09 | Auto Network Gijutsu Kenkyusho:Kk | 電子制御ユニット |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9625373D0 (en) * | 1996-12-06 | 1997-01-22 | Philips Electronics Nv | Method of, and system for, transmitting messages |
KR100433891B1 (ko) * | 2000-10-21 | 2004-06-04 | 삼성전자주식회사 | 복합 재전송형식을 사용하는 데이터 통신시스템의 데이터송수신 방법 |
KR100834662B1 (ko) * | 2001-11-21 | 2008-06-02 | 삼성전자주식회사 | 부호분할 다중접속 이동통신시스템에서의 부호화 장치 및 방법 |
CN100590991C (zh) * | 2002-01-30 | 2010-02-17 | Lg电子株式会社 | 利用可变时隙长度扰频分组数据的方法及其设备 |
US7170876B2 (en) * | 2002-04-30 | 2007-01-30 | Qualcomm, Inc. | Outer-loop scheduling design for communication systems with channel quality feedback mechanisms |
AU2003265404A1 (en) * | 2002-08-28 | 2004-03-29 | Interdigital Technology Corporation | Wireless radio resource management system using a finite state machine |
SE524201C2 (sv) * | 2002-12-17 | 2004-07-06 | Lars-Berno Fredriksson | Anordning vid distribuerat styr- och övervakningssystem |
WO2008029210A2 (en) * | 2006-08-30 | 2008-03-13 | Nokia Corporation | Method and apparatus for fast or negative acknowledgement in a mobile communication system |
US8184579B2 (en) * | 2008-02-15 | 2012-05-22 | Texas Instruments Incorporated | ACK/NAK repetition schemes in wireless networks |
-
2010
- 2010-02-19 US US13/322,271 patent/US8605744B2/en active Active
- 2010-02-19 KR KR1020117027656A patent/KR101596540B1/ko not_active Expired - Fee Related
- 2010-02-19 CN CN201080022873.2A patent/CN102449958B/zh active Active
- 2010-02-19 EP EP10780325.6A patent/EP2437437B1/en active Active
- 2010-02-19 WO PCT/JP2010/052540 patent/WO2010137365A1/ja active Application Filing
- 2010-02-19 JP JP2011515921A patent/JP5143282B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05316124A (ja) * | 1992-05-06 | 1993-11-26 | Honda Motor Co Ltd | データ伝送方法 |
JPH1191212A (ja) | 1997-09-24 | 1999-04-06 | Canon Inc | 印字装置、印字方法、及び記憶媒体 |
JP2005145262A (ja) * | 2003-11-17 | 2005-06-09 | Denso Corp | 車載用lanシステム |
JP2009077126A (ja) * | 2007-09-20 | 2009-04-09 | Auto Network Gijutsu Kenkyusho:Kk | 電子制御ユニット |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP7585779B2 (ja) | 2020-12-25 | 2024-11-19 | 三菱電機株式会社 | 通信装置、エレベーター通信装置、及び、通信方法 |
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Publication number | Publication date |
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EP2437437A4 (en) | 2012-12-19 |
EP2437437A1 (en) | 2012-04-04 |
KR101596540B1 (ko) | 2016-02-22 |
EP2437437B1 (en) | 2019-11-06 |
CN102449958A (zh) | 2012-05-09 |
JP5143282B2 (ja) | 2013-02-13 |
CN102449958B (zh) | 2016-08-03 |
US20120071990A1 (en) | 2012-03-22 |
US8605744B2 (en) | 2013-12-10 |
KR20120026501A (ko) | 2012-03-19 |
JPWO2010137365A1 (ja) | 2012-11-12 |
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