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    • 3. 发明专利
    • Electronic key registration system
    • 电子钥匙注册系统
    • JP2013234521A
    • 2013-11-21
    • JP2012108547
    • 2012-05-10
    • Tokai Rika Co Ltd株式会社東海理化電機製作所
    • KAWAMURA DAISUKEIWASHITA AKITOSHINAGAE TOSHIHIROEGAWA TETSUYAKIMURA AKITOTOBIMATSU TADAYUKI
    • E05B49/00B60R25/01B60R25/10H04M11/00
    • PROBLEM TO BE SOLVED: To provide an electronic key registration system capable of permitting the registration of a regular key only on an after-replacement control device when a control device is replaced therewith.SOLUTION: Notice of an on-vehicle equipment ID in a before-replacement ECU when replaced with a replacement ECU 24 to be mounted on a vehicle is given through a registration tool 19 to a center 20. The center 20 refers to databases 21, 22 on the basis of the on-vehicle equipment ID in the before-replacement ECU, and extracts a cryptographic key Kcr registered on the before-replacement ECU. The center 20 encrypts the extracted cryptographic key Kcr with an on-vehicle equipment center key Kvc coordinated with the replacement ECU 24, and outputs this SEED code SC to the replacement ECU 24. The replacement ECU 24 decrypts the acquired SEED code SC with its on-vehicle equipment center key Kvc to generate the cryptographic key Kcr which is written and stored in a memory 24a together with an electronic key ID.
    • 要解决的问题:提供一种电子钥匙登记系统,其能够在更换控制装置时允许在替换后控制装置上登记常规密钥。解决方案:在之前的车载设备ID的通知 在安装在车辆上的更换ECU24进行更换的情况下,通过登记工具19向中心20进行更换。中心部20基于前述的车载设备ID来参照数据库21,22。 重新安置ECU,并提取在更换后的ECU上登记的加密密钥Kcr。 中心20用与替换ECU24协调的车载设备中心密钥Kvc对提取的加密密钥Kcr进行加密,并将该SEED代码SC输出到更换ECU24。替换ECU24将其获取的SEED代码SC以其开 - 车辆设备中心密钥Kvc以生成与电子密钥ID一起写入和存储在存储器24a中的加密密钥Kcr。
    • 5. 发明专利
    • Electronic key system
    • 电子钥匙系统
    • JP2012177242A
    • 2012-09-13
    • JP2011040179
    • 2011-02-25
    • Tokai Rika Co Ltd株式会社東海理化電機製作所
    • TOBIMATSU TADAYUKIMORI YASUSHI
    • E05B49/00B60R25/00B60R25/04
    • G07C9/00309B60R25/245G07C2209/63
    • PROBLEM TO BE SOLVED: To form a desired communication area in the outside and inside of a cabin by conforming to the form of a vehicle, in an electronic key system for determining the location of an electronic key by combination of the response thereof to an inquiry from each transmission means.SOLUTION: An electronic key system 3 disposes an overlap zone whose portion crosses with the communication area of LF transmitters 22, 23, and confirms the combination of response of an electronic key 1 to a request signal from the LF transmitters 22, 23, thereby carrying out ID collation while determining the location of the electronic key 1. The electronic key system 3 includes an area forming part 21b for forming an outside cabin collation communication area and an inside cabin collation area with mutually different areas in size, the former area formed by the LF transmitters 22, 23 when performing an outside-cabin determination for confirming whether the electronic key 1 is outside the cabin while the latter area formed by the LF transmitters 22, 23 when performing an inside-cabin determination for confirming whether the electronic key 1 is inside the cabin.
    • 要解决的问题:通过符合车辆的形式在车厢的外部和内部形成期望的通信区域,在用于通过其响应的组合来确定电子钥匙的位置的电子钥匙系统中 来自每个传输装置的查询。 解决方案:电子钥匙系统3配置与LF发送器22,23的通信区域交叉的重叠区域,并且确认电子钥匙1的响应与来自LF发送器22,23的请求信号的组合 从而在确定电子钥匙1的位置的同时执行ID校正。电子钥匙系统3包括用于形成外部舱室对照通信区域的区域形成部分21b和具有相互不同区域的内部舱室对照区域,前者 当执行室外确定以确认电子钥匙1是否在车厢外时由LF发射器22,23形成的区域,而在由LF发射器22,23形成的后一区域,当执行车厢内确定是否 电子钥匙1在机舱内。 版权所有(C)2012,JPO&INPIT
    • 8. 发明专利
    • Electronic key registration system
    • 电子钥匙注册系统
    • JP2013170392A
    • 2013-09-02
    • JP2012035223
    • 2012-02-21
    • Tokai Rika Co Ltd株式会社東海理化電機製作所
    • KAWAMURA DAISUKEIWASHITA AKITOSHINAGAE TOSHIHIROEGAWA TETSUYAKIMURA AKITOTOBIMATSU TADAYUKI
    • E05B49/00B60R25/01B60R25/04H04L9/08H04Q9/00
    • PROBLEM TO BE SOLVED: To provide an electronic key registration system capable of inhibiting, at appropriate timing, the use of a function of all-erase of electronic keys registered on a control device.SOLUTION: An electronic key registration system 16 is provided with an all-erase function part 23 used for erasing an electronic key 2 registered on a matching ECU 4 to revert back to a state before registering a key. An inhibition condition monitor part 24 uses an internal counter 25 to count the number times of ID matching carried out after an initial registration. An all-erase function inhibit part 26 inhibits an all-erase function if the number of times of communication for ID matching reaches a threshold of between 1 and the number of pre-shipping necessary communication times (both ends inclusive).
    • 要解决的问题:提供一种电子密钥登记系统,其能够在适当的定时下禁止使用在控制装置上登记的电子钥匙的全部擦除功能。解决方案:电子钥匙登记系统16具有 全擦除功能部23用于擦除登记在匹配ECU4上的电子钥匙2,以恢复到登记密钥之前的状态。 禁止状态监视部24使用内部计数器25对初始登记后进行的ID匹配的次数进行计数。 如果用于ID匹配的通信次数达到1到预先运送必要的通信时间(包括两端)的阈值,则全擦除功能禁止部分26禁止全擦除功能。