WO2004102909A1 - Verfahren und vorrichtungen zur übertragung von daten auf einer datenleitung zwischen einem zentralen steuergerät und mindestens einer datenverarbeitungsgeräteschnittstelle mindestens eines dezentralen datenverarbeitungsgeräts - Google Patents
Verfahren und vorrichtungen zur übertragung von daten auf einer datenleitung zwischen einem zentralen steuergerät und mindestens einer datenverarbeitungsgeräteschnittstelle mindestens eines dezentralen datenverarbeitungsgeräts Download PDFInfo
- Publication number
- WO2004102909A1 WO2004102909A1 PCT/EP2004/050554 EP2004050554W WO2004102909A1 WO 2004102909 A1 WO2004102909 A1 WO 2004102909A1 EP 2004050554 W EP2004050554 W EP 2004050554W WO 2004102909 A1 WO2004102909 A1 WO 2004102909A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- data
- data processing
- processing device
- sensor
- decentralized
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/40—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass for recovering from a failure of a protocol instance or entity, e.g. service redundancy protocols, protocol state redundancy or protocol service redirection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
- H04L7/06—Speed or phase control by synchronisation signals the synchronisation signals differing from the information signals in amplitude, polarity or frequency or length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R2021/0104—Communication circuits for data transmission
- B60R2021/01047—Architecture
- B60R2021/01054—Bus
- B60R2021/01068—Bus between different sensors and airbag control unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R2021/0104—Communication circuits for data transmission
- B60R2021/01102—Transmission method
- B60R2021/01115—Transmission method specific data frames
Definitions
- the present invention relates to a method for transmitting data on a data line between a central control device and at least one data processing device interface of at least one decentralized data processing device.
- the central control device periodically outputs synchronization pulses via the data line to the data processing device interface to request data packets, whereupon the decentralized data processing device sends its data to be transmitted back to the central control device as at least one data packet via the data processing device interface.
- Such a method and suitable devices are known, for example, from German published patent application DE 196 09 290 AI.
- a sensor module (11) is described, which is connected to a central control device (5) via a data line (la).
- the sensor module (11) comprises an acceleration-sensitive sensor and periodically transmits a coded data packet, prepared from the sensor measured values of the sensor, to the control unit (5) every 500 ⁇ s as soon as it has detected a synchronization voltage pulse on the line (la) (for example the column there 1, line 66 to column 2, line 30, or column 4, lines 55 to 62).
- Figure 3 of this published specification shows the most important components of the sensor module (11), the acceleration-sensitive sensor (30) and elements for transmitting the sensor measured values and for receiving the synchronization pulse of the central control unit (5).
- These elements are common mine summarized referred to as the interface of the sensor module or sensor interface.
- individual elements of the sensor interface are energy storage means, for example the filter means 31 or the capacitor C.
- more such energy storage means are usually also present in a sensor interface ,
- the energy storage means of such a sensor interface are electrically charged by a synchronization pulse, for example a voltage pulse.
- a synchronization pulse for example a voltage pulse.
- the charged energy storage means can influence the signal to be transmitted.
- a desired current swing cannot be achieved as a result, which can lead to errors in the data transmission to the receiving central control device.
- the central control device detects this transmission error, the central control device can decide, for safety reasons, to trigger an occupant protection means only later, as soon as reliably recognized sensor values are available again. If the central control device does not recognize the transmission error, in the worst case an unnecessary triggering of an occupant protection means, for example a driver's airbag, can occur, which may injure people.
- the object of the present invention is to provide a possibility for the transmission of data on a data line between a central control device and a decentralized data processing device, wherein an electrical charging of the interface required for communication is counteracted by a data requesting synchronization pulse.
- the central control device requests data packets from the decentralized data processing device through the periodic output of synchronization pulses via the data line.
- the decentralized data processing device transmits the requested data to the central control device via the same data line as one or more data packets after the synchronization pulse via its data processing device interface.
- the decentralized data processing device counteracts an electrical charging of at least one energy storage means of its data processing device interface by the synchronization pulse in that the decentralized data processing device immediately after the synchronization pulse is inserted at a synchronization start time, but before the transmission of a first data packet after a first waiting time. generates an electrical discharge pulse after a discharge start time.
- the central control device is preferably a centrally arranged central control device of an occupant protection system
- the decentralized data processing device and its data processing device interface are preferably a decentralized sensor unit connected to the central control device or their sensor interface.
- the method according to the invention is preferably used when a synchronization pulse is a voltage pulse which may charge the data processing device interface too strongly electrically, and the data packets are transmitted by means of modulated current pulses, which may be very easily caused by changed charging conditions the data processing device interface can be influenced.
- the method is particularly advantageous when, for example, at least one capacitor is used as an energy storage means within the data processing device interface, which is charged during the synchronization pulse and is discharged during the discharge pulse and data transmission.
- the discharge pulse of the decentralized data processing device is preferably also a current pulse that is generated in the same way as the current pulses for data transmission. It is also advantageous for a method according to the invention that the discharge pulse ends at an end of discharge time, but that before the end of a waiting time after the synchronization pulse, at which the data processing device interface should first output a data packet through the decentralized data processing device. In this way, a possible disruption of the data communication by double use of the data processing device interface is avoided.
- Control unit speech It is of course also possible to connect several decentralized data processing devices to one data line. This offers the particular advantage that, in contrast to a so-called point-to-point connection via individual data lines to each individual decentralized data processing device, the cabling effort is significantly lower.
- one of the advantageous embodiments of the method according to the invention already described is used for each connected decentralized data processing device.
- FIG. 1 shows a motor vehicle (1) with two data lines (PDL, PDL) which connects a central control device (ECU) according to the invention with two sensor units (S1, S2, Sl S2 ⁇ ) according to the invention
- FIG. 2 shows an arrangement consisting of a central control device (ECU) that is connected to two sensor units (S1, S2) both via a ground line (GND) and via a data / supply line (PDL)
- FIG. 3 shows the internal structure of a sensor unit (S1, S2) according to the invention
- FIG. 4 shows a schematic representation of the chronological sequence of first and second data packets (DP) of a first and / or second sensor unit (S1, S2) during normal operating mode (NM), the data packets (DP) either after a first waiting time (t d iyi) or after a second waiting time (t dly2 ),
- FIG. 5 shows a schematic plot of the current swing (I PDL (S1, S2)) of a sensor unit (S1, S2) for a manchester-coded zero data bit and a manchester-coded one data bit over time (t),
- FIG. 6 shows a schematic application of a stream-coded data packet according to the invention over time (t)
- FIG. 1 shows a motor vehicle 1 with an arrangement S1, PDL, S2, ECU according to the invention for transmitting data on a data line PDL between a central control unit ECU and two sensor units S1 and S2 connected to the common data line PDL. Also shown in FIG. 1 are a further data line PDL ⁇ and further sensor units S1 'and S2 ⁇ , which are also connected to the central control unit ECU via the data line PDL'.
- FIG. 2 also shows a central control unit ECU that is connected to a first and a second sensor unit S1 or S2 via a common data line PDL.
- the common data line PDL serves on the one hand to periodically, for example every 500 microseconds, output voltage pulses (sync) to the sensor units S1 and S2, as a result of which the central control unit ECU requests data packets DP from the sensor units S1 and S2.
- both the first sensor unit S1 and the second sensor unit S2 send data packets DP in the form of current pulses on this common data line PDL, which contain identification and test data of the sensor units S1 and S2 in a test operating mode and during the predominant normal operating mode of the two Sensor units Sl and S2 sensor measured values.
- GND common ground line GND, which leads the ground potential of the central control unit ECU to all connected satellite units S1, S2.
- FIG. 3 shows a sensor device S1 or S2 according to the invention. The features of the sensor unit S1 or S2 are to be described below using a first sensor unit S1.
- the sensor unit S1 has a sensor 2, for example an acceleration sensor 2, consisting of a semiconductor chip which has a micromechanical semiconductor sensor element and signal-processing semiconductor electronic components which are integrated on the same semiconductor chip.
- a suitable micromechanical sensor element is, for example, ground structures exposed by etching processes in the production process of the semiconductor chip and movable in one or more sensing directions, which are connected together as capacitance with static chip parts. Depending on the direction and strength of an applied acceleration, the mass structures move in different ways, which can be tapped electrically as a change in capacity.
- a suitable sensor element is also a pressure sensor element, in which an exposed cavity in the semiconductor chip is sealed in a pressure-tight manner from the ambient pressure of the atmosphere by a pressure-tight membrane made of remaining semiconductor material.
- the semiconductor membrane is resilient to the external air pressure acting on it and can be connected as a capacitance in the same way as with acceleration measuring cells together with rigid chip parts, so that a changing external air pressure is measured as a changing capacitance of the semiconductor membrane in comparison to the rest of the sensor chip. that can.
- sensing principles and sensor structures can of course also be used, for example mechanical acceleration switches, piezoresistive pressure or acceleration sensors, rotation rate sensors, short-circuiting switches or temperature sensors which can detect, for example, a temperature increase in a cavity that is compressed during an accident, for example the interior volume of a vehicle door .
- thermal acceleration sensors from the company MEMSIC (http://www.memsic.com/memsic/), in which accelerations are detected by the fact that heated air within the sensor moves closer or further to temperature sensors due to accelerations that can determine a corresponding temperature change.
- FIG. 3 Also shown in FIG. 3 is a memory 3 in which sensor characteristic data are stored, for example an identification number of the sensor unit S1, its development status or also calibration data, for example conversion formulas of the measuring range or the like.
- sensor characteristic data for example an identification number of the sensor unit S1, its development status or also calibration data, for example conversion formulas of the measuring range or the like.
- FIG. 3 also shows a sensor control unit 4 which has both a sensor computing unit 5 and a sensor interface 61, 62.
- the sensor computing unit 5 can be an application-specific integrated circuit, a so-called ASIC 5, but also a microcontroller 5 controlled by software.
- a first part 61 of the sensor interface 61, 62 is constructed in the form of a discrete electronic circuit from resistors R1, R2 and capacitors C1, C2, C3, whereas a second part 62 is built into an integrated module ⁇ sensor control unit 4 is integrated with the sensor computing unit 5.
- the entire sensor interface 61, 62 could equally well be built discretely on a circuit board or, conversely, integrated entirely within a module in the sensor control unit 4. Incidentally, this also applies to the sensor 2, which, differently than shown, can just as well be integrated within the sensor control unit 4 on a common chip, possibly even with all other functional units of the sensor unit S1.
- a supply voltage is present on the data line PDL and is output by the central control unit ECU.
- the central control unit ECU periodically outputs synchronization pulses Sync by means of voltage modulation via the data line PDL to request data packets DP from the sensor unit S1. These are recognized by the sensor interface 61, 62 in the line branch.
- the sensor unit S1 then transmits data packets DP on the data line PDL, but not in the form of voltage pulses, but in the form of current pulses.
- the sensor computing unit 5 records sensor measurement values from the sensor 2, for example analog acceleration measurement values, converts the analog sensor signal into a digital signal and encodes the digital sensor measurement value in a resolution which is predefined for it both by the structure of the sensor and by measurement range settings , which are usually stored in memory 2.
- the computing unit 5 adds a parity bit PB to the data bits DB generated in this way, so that a receiver unit is able to to recognize at least simple bit errors in data transmission.
- the electrical dimensioning of the electrical switching elements of the first part 61 of the sensor interface 61, 62 represents a compromise between three essential requirements for the sensor interface.
- a desired filter function for smoothing the supply voltage of the sensor unit S1 by the sensor interface 61, 62 must be made so that the data communication is not disturbed, for example, by the fact that high-frequency interference pulses on the data line are incorrectly recognized by the sensor unit S1 as synchronization pulses Sync.
- the recognizability of the high-frequency synchronization pulse Sync for the sensor unit S1 must nevertheless be ensured.
- the transmission characteristics of the sensor interface 61, 62 must also be as suitable as possible for the desired data communication between the decentralized sensor unit S1 and the central control unit ECU.
- current-coded data bits are to be edge-controlled and transmitted with a bit duration of 8 ⁇ s.
- the desired current swing should be between 20 to 30 mA above the quiescent current consumption of the decentralized sensor unit of 5 to 8 mA.
- a typical synchronization pulse reaches a voltage between 20 to 24 V, whereas the voltage supply for the decentralized sensor unit without synchronization pulse Sync is between 6.5 and 12 V.
- a synchronization pulse lasts between 31 and 33 ⁇ s.
- Data bits and such synchronization pulses result in advantageous values for dimensioning the resistors Rl and R2 of 47 and 220 ⁇ and advantageous capacitance values of 22 nF, 2.2 nF and 1 nF for the capacitors C1, C2 and C3.
- FIG. 4 shows, in each case plotted over the same time axis, a sequence of two periodic ones in the uppermost diagram Sync pulses Sync and a wrong sync pulse Sync ⁇ .
- the current I PDL (S1, S2) is plotted in high quality, which is generated when two sensor units S1 and S2 are connected to a data line PDL, as already shown in FIG.
- the data packet DP of the first sensor unit S1 is output, beginning with the two start bits SB, after a second waiting time t dly2 the data packet DP of the second sensor unit S2.
- the incorrect synchronization pulse Sync x induced, for example, by an electromagnetic interference on the common data line PDL does not cause a transmission of a data packet DP from the sensor unit S1 or from the sensor unit S2, since the signal output from both until a blocking time t Sync _ of f expires after the last recognized valid synchronization pulse Sync is blocked.
- a short discharge pulse Dis occurs after a discharge blocking time t d ⁇ s both sensor units S1 and S2 with a double current amplitude of a data bit DB.
- the third and fourth diagram from above shows the current signal swing I PD ⁇ , (Sl) and I PDL (S2) which is caused by only one sensor unit S1 or S2, the data output of the first sensor unit S1 taking place after the first blocking time t dly3 , but the data output of the second sensor unit takes place after the second blocking time t dly2 .
- only one discharge pulse Dis is sufficient, which only has a current amplitude of a data bit DB.
- FIG. 5 shows the type of coding of a logical zero state and a logical one state of a data bit of a data packet DP of the sensor unit S1.
- the current swing Ip DL (S1, S2) which is caused by the data bits of a data packet DP, is shown on the high-value axis of the diagram.
- the type of coding of the data bits DB used in the present case is an edge coding in the form of a possible form of a Manchester code.
- the Manchester code shown represents a zero bit due to a falling edge in the middle of a bit time t B i reserved for one bit and, conversely, a one bit due to a rising edge of the current signal.
- At least one clock rate for data transmission must be provided, the period of which is the time duration t B .it of a bit.
- a clock rate of at least 125 kHz is therefore necessary.
- a multiple of 125 kHz clock rate is also possible, for example the frequently used clock rate within 8 MHz microcontrollers.
- edge-coded data encodings are also possible, but also any other binary data encodings, for example the known NRZ (No Return to Zero) coding.
- FIG. 6 shows a complete data packet DP in a current-time diagram.
- the first two bits of a data packet DP are two start bits SB according to a logical sequence 1 0.
- the subsequent seven data bits from bit 0 to bit 6 set represent the binary-coded sensor measured values, the first bit transmitted being the least significant bit LSB and the last transmitted data bit 6 being the most significant bit MSB.
- this data structure is the same both in the normal operating mode NM and in the test operating mode TM.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Dc Digital Transmission (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE502004007287T DE502004007287D1 (de) | 2003-05-14 | 2004-04-16 | Verfahren und Vorrichtungen zur Übertragung von Daten auf einer Datenleitung zwischen einem zentralen Steuergerät und mindestens einer Datenverarbeitungsschnittstelle mindestens eines dezentralen Datenverarbeitungsgeräts |
EP04741470A EP1623544B1 (de) | 2003-05-14 | 2004-04-16 | Verfahren und Vorrichtungen zur Übertragung von Daten auf einer Datenleitung zwischen einem zentralen Steuergerät und mindestens einer Datenverarbeitungsschnittstelle mindestens eines dezentralen Datenverarbeitungsgeräts |
JP2006508295A JP4327845B2 (ja) | 2003-05-14 | 2004-04-16 | 中央制御機器と少なくとも1つのローカルデータ処理機器のデータ処理機器インターフェースとの間のデータ線路上でのデータ伝送方法及び装置 |
US11/273,147 US20060080495A1 (en) | 2003-05-14 | 2005-11-14 | Method and device for transmitting data on a data line between a central control unit and at least one data processing unit interface of at least one decentralized data processing unit |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10321678.2 | 2003-05-14 | ||
DE10321678A DE10321678A1 (de) | 2003-05-14 | 2003-05-14 | Verfahren und Vorrichtungen zur Übertragung von Daten auf einer Datenleitung zwischen einem zentralen Steuergerät und mindestens einer Datenverarbeitungsgeräteschnittstelle mindestens eines dezentralen Datenverarbeitungsgeräts |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/273,147 Continuation US20060080495A1 (en) | 2003-05-14 | 2005-11-14 | Method and device for transmitting data on a data line between a central control unit and at least one data processing unit interface of at least one decentralized data processing unit |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004102909A1 true WO2004102909A1 (de) | 2004-11-25 |
Family
ID=33440797
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2004/050554 WO2004102909A1 (de) | 2003-05-14 | 2004-04-16 | Verfahren und vorrichtungen zur übertragung von daten auf einer datenleitung zwischen einem zentralen steuergerät und mindestens einer datenverarbeitungsgeräteschnittstelle mindestens eines dezentralen datenverarbeitungsgeräts |
Country Status (8)
Country | Link |
---|---|
US (1) | US20060080495A1 (de) |
EP (1) | EP1623544B1 (de) |
JP (1) | JP4327845B2 (de) |
KR (1) | KR20060013654A (de) |
CN (1) | CN1788477A (de) |
DE (2) | DE10321678A1 (de) |
ES (1) | ES2307024T3 (de) |
WO (1) | WO2004102909A1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2428851A (en) * | 2005-07-28 | 2007-02-07 | Denso Corp | Passenger protection system using opposite polarity impact sensor signals to mitigate faults |
GB2429099A (en) * | 2005-07-01 | 2007-02-14 | Denso Corp | Vehicle passenger protection system with multiple communication busses for sensor inputs |
US8307227B2 (en) | 2006-11-08 | 2012-11-06 | Freescale Semiconductor, Inc. | Data communication system and method |
CN103838195A (zh) * | 2012-11-23 | 2014-06-04 | 联创汽车电子有限公司 | Ecu主从控制器同步方法 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005009102B4 (de) * | 2005-02-28 | 2009-12-03 | Continental Automotive Gmbh | System zur Überprüfung der Funktionsfähigkeit einer Sensoreinrichtung |
DE102005014783A1 (de) | 2005-03-31 | 2006-10-05 | Siemens Ag | Verfahren und Vorrichtungen zum Übertragen von Daten auf eine Datenleitung zwischen einem Steuergerät und zumindest einem dezentralen Datenverarbeitungsgerät |
DE102005052021A1 (de) | 2005-10-31 | 2007-05-10 | Siemens Ag | Vorrichtung mit einem Steuergerät und zumindest einer davon räumlich getrennten Sensoreinheit |
DE102006018975A1 (de) * | 2006-01-19 | 2007-08-02 | Conti Temic Microelectronic Gmbh | Verfahren und Anordnung zum Betrieb einer steuerbaren Fahrzeugeinrichtung |
DE102006031237B4 (de) * | 2006-07-06 | 2017-09-28 | Robert Bosch Gmbh | Steuergerät zur Ansteuerung von Personenschutzmitteln, Vorrichtung zur Ansteuerung von Personenschutzmitteln und Verfahren zur Ansteuerung von Personenschutzmitteln |
EP2049369B1 (de) * | 2006-08-01 | 2019-06-05 | NXP USA, Inc. | Datenkommunikationsverfahren und -system |
DE102014202198A1 (de) * | 2014-02-06 | 2015-08-06 | Robert Bosch Gmbh | Verfahren zur Überprüfung eines automatischen Parkbremssystems |
JP6015708B2 (ja) * | 2014-05-13 | 2016-10-26 | 株式会社デンソー | 3相回転機の電流制御システム |
DE102017102074A1 (de) | 2017-02-02 | 2018-08-02 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Schnittstellenelement für ein Fahrzeug |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1916020A1 (de) * | 1968-04-01 | 1970-01-29 | Motorola Inc | Elektrisches Energieverteilungs- und Steuersystem |
US4907222A (en) * | 1988-08-17 | 1990-03-06 | Nuvatec, Inc. | Vehicle multiplex system |
EP0644679A2 (de) * | 1993-09-03 | 1995-03-22 | Fujitsu Limited | Fernüberwachungssystem für Netzwerkelemente |
DE19609290A1 (de) * | 1995-10-26 | 1997-04-30 | Bosch Gmbh Robert | Airbagsystem |
US6246734B1 (en) * | 1997-01-30 | 2001-06-12 | Honda Giken Kogyo Kabushiki Kaisha | Vehicle communication system |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2966226B2 (ja) * | 1993-02-17 | 1999-10-25 | 三菱電機株式会社 | 電力増幅器自動制御回路 |
US6980084B1 (en) * | 1999-05-17 | 2005-12-27 | The Goodyear Tire & Rubber Company | Power-on reset for transponder |
-
2003
- 2003-05-14 DE DE10321678A patent/DE10321678A1/de not_active Withdrawn
-
2004
- 2004-04-16 KR KR1020057021586A patent/KR20060013654A/ko not_active Application Discontinuation
- 2004-04-16 ES ES04741470T patent/ES2307024T3/es not_active Expired - Lifetime
- 2004-04-16 DE DE502004007287T patent/DE502004007287D1/de not_active Expired - Fee Related
- 2004-04-16 WO PCT/EP2004/050554 patent/WO2004102909A1/de active IP Right Grant
- 2004-04-16 EP EP04741470A patent/EP1623544B1/de not_active Expired - Fee Related
- 2004-04-16 JP JP2006508295A patent/JP4327845B2/ja not_active Expired - Fee Related
- 2004-04-16 CN CNA2004800129962A patent/CN1788477A/zh active Pending
-
2005
- 2005-11-14 US US11/273,147 patent/US20060080495A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1916020A1 (de) * | 1968-04-01 | 1970-01-29 | Motorola Inc | Elektrisches Energieverteilungs- und Steuersystem |
US4907222A (en) * | 1988-08-17 | 1990-03-06 | Nuvatec, Inc. | Vehicle multiplex system |
EP0644679A2 (de) * | 1993-09-03 | 1995-03-22 | Fujitsu Limited | Fernüberwachungssystem für Netzwerkelemente |
DE19609290A1 (de) * | 1995-10-26 | 1997-04-30 | Bosch Gmbh Robert | Airbagsystem |
US6246734B1 (en) * | 1997-01-30 | 2001-06-12 | Honda Giken Kogyo Kabushiki Kaisha | Vehicle communication system |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2429099A (en) * | 2005-07-01 | 2007-02-14 | Denso Corp | Vehicle passenger protection system with multiple communication busses for sensor inputs |
GB2428851A (en) * | 2005-07-28 | 2007-02-07 | Denso Corp | Passenger protection system using opposite polarity impact sensor signals to mitigate faults |
GB2428851B (en) * | 2005-07-28 | 2009-11-25 | Denso Corp | Passenger protecting system |
US8307227B2 (en) | 2006-11-08 | 2012-11-06 | Freescale Semiconductor, Inc. | Data communication system and method |
CN103838195A (zh) * | 2012-11-23 | 2014-06-04 | 联创汽车电子有限公司 | Ecu主从控制器同步方法 |
Also Published As
Publication number | Publication date |
---|---|
KR20060013654A (ko) | 2006-02-13 |
JP2006526344A (ja) | 2006-11-16 |
DE10321678A1 (de) | 2004-12-09 |
CN1788477A (zh) | 2006-06-14 |
DE502004007287D1 (de) | 2008-07-10 |
JP4327845B2 (ja) | 2009-09-09 |
ES2307024T3 (es) | 2008-11-16 |
EP1623544B1 (de) | 2008-05-28 |
EP1623544A1 (de) | 2006-02-08 |
US20060080495A1 (en) | 2006-04-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1622796B1 (de) | Verfahren und vorrichtungen zur übertragung von daten zwischen einem zentralen steuergerät eines insassenschutzsystems in einem fahrzeug und mindestens einer dezentralen sensoreinheit | |
EP1623544B1 (de) | Verfahren und Vorrichtungen zur Übertragung von Daten auf einer Datenleitung zwischen einem zentralen Steuergerät und mindestens einer Datenverarbeitungsschnittstelle mindestens eines dezentralen Datenverarbeitungsgeräts | |
EP0541573B1 (de) | Messwertaufnehmer | |
EP0407391B1 (de) | Elektronische einrichtung für die sicherung von fahrzeuginsassen | |
EP0895682A2 (de) | Bussystem für die übertragung von nachrichten | |
WO1999050100A1 (de) | Verfahren zur datenübertragung in einem über eine busleitung vernetzten rückhaltesystem | |
WO2006103243A1 (de) | Verfahren und vorrichtungen zum übertragen von daten auf einer datenleitung zwischen einem steuergerät und zumindest einem dezentralen datenverarbeitungsgerät | |
EP1817209A1 (de) | Beschleunigungssensor in einem steuerger[t | |
WO2005051723A1 (de) | Verbindungselement, verfahren zur buskommunikation zwischen einem steuergerät zur ansteuerung von personen-schutzmitteln als master und wenigstens einem verbindungselement zur gewichtsmessung in einem sitz als slave und bus-system | |
WO2006040203A1 (de) | Sensorschnittstelle mit integrierter strommessung | |
EP3692680B1 (de) | Vorrichtung und verfahren zur korrektur von mindestens einem übertragungsparameter eines sensors | |
EP1866886A2 (de) | Verfahren und vorrichtung zum rekonstruieren von datenwerten eines sensorsignals | |
EP1593939B1 (de) | Sensoranordnung zur Erfassung wenigstens eines Messwerts | |
EP1997984B1 (de) | Kraftfahrzeugtürgriff mit Annäherungssensor | |
EP1379849A1 (de) | Schaltungsanordnung mit mehreren sensorelementen in matrix-verschaltung | |
EP0872387B1 (de) | Verfahren zur richtungsselektiven Ausrichtung einer passiven Sicherheitseinrichtung | |
WO2005012924A1 (de) | Aufprallsensor und verfahren zum testen eines aufprallsensors | |
EP1386299B1 (de) | Verfahren zur übertragung eines sensordatensignals und eines zusatzdatensignals von einer sensorbaugruppe zu wenigstens einem empfänger | |
WO1997015474A2 (de) | Airbagsystem | |
WO2003059696A1 (de) | Verfahren zum bewerten eines einbauorts einer beschleunigungssensor-baugruppe in einem fahrzeug | |
WO1996021584A1 (de) | Sicherheitseinrichtung für fahrzeuginsassen | |
DE4118702A1 (de) | Adressengenerator fuer eine netzwerkeinheit und verfahren zur erzeugung einer adresse in einer netzwerkeinheit | |
DE102006059344A1 (de) | Verfahren zum Übertragen von Datenworten zwischen einem Sender und einem Empfänger |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2004741470 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020057021586 Country of ref document: KR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 20048129962 Country of ref document: CN Ref document number: 2006508295 Country of ref document: JP Ref document number: 11273147 Country of ref document: US |
|
WWP | Wipo information: published in national office |
Ref document number: 2004741470 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 1020057021586 Country of ref document: KR |
|
WWP | Wipo information: published in national office |
Ref document number: 11273147 Country of ref document: US |
|
WWG | Wipo information: grant in national office |
Ref document number: 2004741470 Country of ref document: EP |