EP2116499A1 - Aufzugssicherheitssystem - Google Patents

Aufzugssicherheitssystem Download PDF

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Publication number
EP2116499A1
EP2116499A1 EP07713926A EP07713926A EP2116499A1 EP 2116499 A1 EP2116499 A1 EP 2116499A1 EP 07713926 A EP07713926 A EP 07713926A EP 07713926 A EP07713926 A EP 07713926A EP 2116499 A1 EP2116499 A1 EP 2116499A1
Authority
EP
European Patent Office
Prior art keywords
image data
suspicious person
date
user
time information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP07713926A
Other languages
English (en)
French (fr)
Other versions
EP2116499B1 (de
EP2116499A4 (de
Inventor
Shinichi Kuroda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP2116499A1 publication Critical patent/EP2116499A1/de
Publication of EP2116499A4 publication Critical patent/EP2116499A4/de
Application granted granted Critical
Publication of EP2116499B1 publication Critical patent/EP2116499B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19602—Image analysis to detect motion of the intruder, e.g. by frame subtraction
    • G08B13/19613—Recognition of a predetermined image pattern or behaviour pattern indicating theft or intrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/46—Adaptations of switches or switchgear
    • B66B1/468—Call registering systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0006—Monitoring devices or performance analysers
    • B66B5/0012—Devices monitoring the users of the elevator system
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B2201/00—Aspects of control systems of elevators
    • B66B2201/40—Details of the change of control mode
    • B66B2201/46—Switches or switchgear
    • B66B2201/4607—Call registering systems
    • B66B2201/4676—Call registering systems for checking authorization of the passengers

Definitions

  • the present invention relates to an elevator security system that includes an authenticating apparatus that authenticates permission to use an elevator.
  • the present invention aims to solve the above problems and an object of the present invention is to provide an elevator security system that enables improvements in security by determining whether or not an elevator user is a suspicious person.
  • an elevator security system characterized in including: an authenticating apparatus that authenticates permission to use an elevator in response to a predetermined authorizing operation being performed; a security camera for photographing a user who performs the authorizing operation; a processor including: a recording medium in which stored information is stored that includes suspicious person image data for identifying a suspicious person; a sampling portion that samples facial portion image data of the user from image data from the security camera as sampled image data only if authentication by the authenticating apparatus results in a denial of permission; and a determining portion that determines whether or not the user is a suspicious person by searching whether or not identifying image data that can be recognized as identical to the sampled image data are present in the stored information as the suspicious person image data, and also that records the sampled image data in the recording medium as the suspicious person image data if presence of the identifying image data is negated; and an alarm device that issues a warning that indicates that the user is a suspicious person if a determination is made
  • an elevator security system because facial portion image data of a user are sampled as sampled image data by the sampling portion only if the authentication result is "failed", and sampled image data that have been sampled in the past are stored in the recording medium as suspicious person image data, and whether a user is a suspicious person or not can be determined by searching whether or not identifying image data that can be recognized as identical to the sampled image data from the sampling portion are present as suspicious person image data, a user who has had an authentication result "failed" in the past can be designated a suspicious person, enabling determination as to whether or not an elevator user is a suspicious person to be performed easily.
  • use of an elevator by suspicious persons can be prevented, enabling elevator security to be improved.
  • FIG 1 is a block diagram that shows an elevator security system according to Embodiment 1 of the present invention.
  • An elevator that moves a car inside a hoistway elevator is disposed in a building. The car can be stopped at a plurality of floors by control from an elevator control board 1.
  • An elevator authenticating apparatus 2 is disposed on a predetermined floor (in this example, a first floor (1F) which is a lobby floor.
  • the authenticating apparatus 2 authenticates permission to use the elevator in response to a predetermined authorizing operation being performed.
  • a predetermined authorizing operation include operations such as holding a card on which personal information is registered, or a key, etc., over the authenticating apparatus 2, for example.
  • the authenticating apparatus 2 When the permission to use the elevator is authenticated, the authenticating apparatus 2 generates authenticating information 21 that includes an authentication result that is either "passed” or "failed".
  • the authenticating apparatus 2 has a clock function, and generates date and time information 22 that corresponds to the date and time that the authorizing operation was performed when the authorizing operation is performed.
  • the authenticating information 21 is sent from the authenticating apparatus 2 to the elevator control board 1. If the authentication result from the authenticating apparatus 2 is "failed", the elevator control board 1 disables call registration by the operation of landing buttons (not shown), and releases the disabling of call registration only if the authentication result from the authenticating apparatus 2 is "passed”.
  • a security camera 3 for photographing users that perform the authorizing operation on the authenticating apparatus 2 is disposed on the floor on which the authenticating apparatus 2 is disposed (the lobby floor).
  • the security camera 3 photographs a predetermined range in the vicinity of the authenticating apparatus 2.
  • the security camera 3 is also capable of serial photography.
  • the security camera 3 constantly outputs image data 23 that are obtained by that photography.
  • the authenticating information 21, the date and time information 22, and the image data 23 are sent to a processor 4.
  • the processor 4 performs processes related to the determination of whether or not the user is a suspicious person based on the authenticating information 21, the date and time information 22, and the image data 23.
  • the processor 4 has a recording medium 5, a sampling portion 6, and a determining portion 7.
  • Stored information that includes suspicious person image data for identifying suspicious persons is stored in the recording medium 5.
  • the suspicious person image data that are stored in the recording medium 5 are also associated with the date and time information and saved.
  • the sampling portion 6 determines the ability to process the image data 23 from the security camera 3 based on the authenticating information 21. Specifically, the sampling portion 6 performs processing of the image data 23 if the authentication result from the authenticating apparatus 2 is "failed", and stops the processing of the image data 23 if the authentication result from the authenticating apparatus 2 is "passed". In other words, processing of the image data 23 by the sampling portion 6 is performed by sampling image data from a facial portion of the user in the image data 23 as sampled image data 24 only if the authentication that is performed by the authenticating apparatus 2 results in a denial of permission. The sampled image data 24 that have been sampled by the processing of the sampling portion 6 are sent to the determining portion 7 from the sampling portion 6.
  • the determining portion 7 receives the sampled image data 24 from the sampling portion 6 and the date and time information 22 from the authenticating apparatus 2.
  • the determining portion 7 has a searching portion 8.
  • the searching portion 8 searches whether or not identifying image data that can be recognized as identical to the sampled image data 24 (i.e., image data that identify a facial portion that is identical to the facial portion of the user identified by the sampled image data 24) are present as suspicious person image data in the stored information.
  • the method for searching the stored information is not dependent on any specific method, provided that the algorithm outputs presence or absence of identifying image data as a search result.
  • the searching portion 8 records the sampled image data 24 as suspicious person image data in the recording medium 5, and also records the date and time information 22 from the authenticating apparatus 2 in the recording medium 5 so as to be associated with the sampled image data 24. If the identifying image data are present as suspicious person image data in the stored information, the searching portion 8 adds the date and time information 22 from the authenticating apparatus 2 to past date and time information that has been associated with the identifying image data.
  • sampled image data (facial portion image data) of users whose authentication result in the authenticating apparatus 2 was “failed” are accumulated as suspicious person image data in the recording medium 5, and the date and time information when the authentication result was "failed” is accumulated so as to be associated with the suspicious person image data.
  • the determining portion 7 determines whether or not the user who performed the authorizing operation is a suspicious person based on the search results from the searching portion 8. Specifically, the determining portion 7 determines that the user is a legitimate user if the presence of identifying image data is negated by the searching portion 8 (i.e., if identifying image data are not present as suspicious person image data in the stored information). The determining portion 7 determines that the user is a suspicious person if the presence of identifying image data is found by the searching portion 8 (i.e., if identifying image data are present as suspicious person image data in the stored information).
  • the determining portion 7 outputs the sampled image data 24 to an alarm device 9 as warning image data 25 only when it has determined that the user is a suspicious person.
  • the processor 4 is constituted by a computer that has: an arithmetic processing portion (a CPU), a storage portion (ROM, RAM, etc.), and a signal input/output portion.
  • the functions of the sampling portion 6 and the determining portion 7 are implemented by the computer of the processor 4. That is, programs for implementing the functions of the sampling portion 6 and the determining portion 7 are stored in the storage portion of the computer.
  • the data processing portion executes arithmetic processing that relates to the functions of the processor 4 based on the programs that are stored in the storage portion.
  • the alarm device 9 is disposed at a predetermined position in a vicinity of the authenticating apparatus 2.
  • the alarm device 9 generates an alarm that indicates that the user is a suspicious person in response to receiving warning image data 25 from the determining portion 7.
  • the alarm device 9 has a display portion 10 that displays an image that is obtained from the warning image data 25 (i.e., the sampled image data) as a warning.
  • the alarm device 9 issues a warning sound together with the display of the image on the display portion 10.
  • processing of the image data 23 is performed by the sampling portion 6. Facial portion image data of the user from the image data 23 of the security camera 3 is thereby sampled as sampled image data 24.
  • the sampled image data 24 that has been sampled by the sampling portion 6 is sent to the determining portion 7. Next, whether the user is a suspicious person or not is determined by the determining portion 7 based on the sampled image data 24. If it is determined that the user is a suspicious person, the sampled image data 24 are sent from the determining portion 7 to the alarm device 9 as warning image data 25. Thus, the image that is obtained from the warning image data 25 is displayed on the display portion 10 as a warning. At that point, the warning sound issues from the warning device 9.
  • Figure 2 is a flowchart that shows actions of the determining portion 7 from Figure 1 .
  • the searching portion 8 searches whether or not image data that can be recognized as identical to the sampled image data 24 (identifying image data) are stored in the recording medium 5 as suspicious person image data (S2).
  • the searching portion 8 records the sampled image data 24 in the recording medium 5 as suspicious person image data, and also records the date and time information 22 from the authenticating apparatus 2 in the recording medium 5 so as to be associated with the sampled image data 24 (S3). In that case, the determining portion 7 determines that the user is not a suspicious person (S4).
  • the searching portion 8 adds the date and time information 22 from the authenticating apparatus 2 to past date and time information that has been stored in the recording medium 5 so as to be associated with the identifying image data (S5).
  • the determining portion 7 determines that the user is a suspicious person (S6), and also outputs the sampled image data 24 to the alarm device 9 as warning image data 25 (S7). Processing by the determining portion 7 is performed in this manner.
  • the alarm device 9 has a display portion 10 that displays an image that is obtained from the warning image data 25 (the sampled image data) as a warning, the warning that indicates that the person is suspicious can be presented visually, facilitating identification of the suspicious person to whom the warning refers.
  • the alarm device 9 is installed in the vicinity of the authenticating apparatus 2, but the alarm device 9 may also be installed in a control room of the building.
  • the warning from the alarm device 9 can thereby be transmitted to a controller who is stationed inside the control room, enabling elevator security to be improved further.
  • FIG 3 is a block diagram that shows an elevator security system according to Embodiment 2 of the present invention.
  • a processor 4 has a recording medium 5, a sampling portion 6, and a determining portion 31. Configuration of the recording medium 5 and the sampling portion 6 is similar to that of the recording medium 5 and the sampling portion 6 according to Embodiment 1.
  • the determining portion 31 has a searching portion 32 and a condition comparing portion 33.
  • the searching portion 32 searches whether or not identifying image data (i.e., image data that can be recognized as identical to the sampled image data 24) are present as suspicious person image data in the stored information in the recording medium 5. As a result of the search, if identifying image data are not present as suspicious person image data in the stored information, the searching portion 32 records the sampled image data 24 as suspicious person image data in the recording medium 5, and also records the date and time information 22 from the authenticating apparatus 2 in the recording medium 5 so as to be associated with the sampled image data 24.
  • identifying image data i.e., image data that can be recognized as identical to the sampled image data 24
  • the searching portion 32 adds the date and time information 22 from the authenticating apparatus 2 to past date and time information that has been associated with the identifying image data, and outputs the sampled image data 24, the past date and time information that has been linked to the identifying image data, and the date and time information 22 from the authenticating apparatus 2 to the condition comparing portion 33 as suspicious person candidate information 26.
  • the condition comparing portion 33 determines whether or not the suspicious person candidate information 26 satisfies preset suspicious person qualifying conditions.
  • condition comparing portion 33 obtains the count of past date and time information that has been linked to the identifying image data in the suspicious person candidate information 26 (Count), and compares the obtained count of past date and time information (Count) and a set count value (a predetermined threshold value) (TH1) that has been preset.
  • the condition comparing portion 33 also obtains the past date and time information that has been linked to the identifying image data in the suspicious person candidate information 26 (the newest past date and time information item if more than one past date and time information item exists) and the date and time information 22 from the authenticating apparatus 2, and compares a time difference between the obtained past date and time information and the date and time information 22 from the authenticating apparatus 2 (Time) and a set time value (a predetermined threshold value) (TH2) that has been preset.
  • the set time value can be set to one minute, for example.
  • the condition comparing portion 33 determines that the user does not satisfy the suspicious person qualifying conditions only if a relationship between the past date and time information count (Count) and the set count value (TH1) satisfies Expression (1) and a relationship between the date and time information time difference (Time) and the set time value (TH2) satisfies Expression (3).
  • the condition comparing portion 33 determines that the user satisfies the suspicious person qualifying conditions if a relationship between the past date and time information count (Count) and the set count value (TH1) satisfies Expression (2), or a relationship between the date and time information time difference (Time) and the set time value (TH2) satisfies Expression (4).
  • the determining portion 31 determines that the user is a suspicious person only if the condition comparing portion 33 has made a determination that the user satisfies the suspicious person qualifying conditions.
  • the determining portion 31 also outputs the sampled image data 24 that is included in the suspicious person candidate information 26 to the alarm device 9 as warning image data 25 only if it has been determined that the user is a suspicious person.
  • the rest of the configuration is similar to that of Embodiment 1.
  • Figure 4 is a flowchart that shows actions of the determining portion 31 from Figure 3 .
  • the searching portion 32 searches whether or not image data that can be recognized as identical to the sampled image data 24 (identifying image data) are stored in the recording medium 5 as suspicious person image data (S12).
  • the searching portion 32 records the sampled image data 24 in the recording medium 5 as suspicious person image data, and also records the date and time information 22 from the authenticating apparatus 2 in the recording medium 5 so as to be associated with the sampled image data 24 (S13). In that case, the determining portion 31 determines that the user is not a suspicious person (S14).
  • the searching portion 32 adds the date and time information 22 from the authenticating apparatus 2 to past date and time information that has been stored in stored in the recording medium 5 so as to be associated with the identifying image data (S15). In that case, suspicious person candidate information 26 is sent from the searching portion 32 to the condition comparing portion 33.
  • condition comparing portion 33 determines whether or not the suspicious person candidate information 26 satisfies the suspicious person qualifying conditions (S16). If the suspicious person qualifying conditions are not satisfied, the determining portion 31 determines that the user is not a suspicious person (S14).
  • the determining portion 31 determines that the user is a suspicious person (S17), and also outputs the sampled image data 24 to the alarm device 9 as warning image data 25 (S18). Processing by the determining portion 31 is performed in this manner.
  • the determining portion 31 determines whether or not a user is a suspicious person by comparing a count of past date and time information that has been associated with the identifying image data and a predetermined threshold value, it is possible to designate as a suspicious person only a user for whom the authentication result has been "flailed" frequently. Consequently, legitimate users who have accidentally had an authentication result "failed" in the past can be excluded from being treated as suspicious persons, enabling erroneous determinations to be prevented.
  • the determining portion 31 determines whether or not a user is a suspicious person by comparing a time difference between past date and time information that has been associated with the identifying image data and date and time information 22 from the authenticating apparatus 2 with a predetermined threshold value, it can be determined that a user is a suspicious person when an authentication result is repeatedly "failed" a number of times in a short time, enabling accuracy in determining whether or not someone is a suspicious person to be improved.
  • the configuration may also be such that elevator running information is transmitted to the display portion 10 from the elevator control board 1, and the display portion 10 displays the elevator running information during normal operation, and display images that are obtained from the suspicious person image data instead of the elevator running information or together with the elevator running information when warning image data 25 is input.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
EP07713926.9A 2007-02-08 2007-02-08 Aufzugssicherheitssystem Not-in-force EP2116499B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/052210 WO2008096433A1 (ja) 2007-02-08 2007-02-08 エレベータのセキュリティシステム

Publications (3)

Publication Number Publication Date
EP2116499A1 true EP2116499A1 (de) 2009-11-11
EP2116499A4 EP2116499A4 (de) 2013-08-28
EP2116499B1 EP2116499B1 (de) 2014-08-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP07713926.9A Not-in-force EP2116499B1 (de) 2007-02-08 2007-02-08 Aufzugssicherheitssystem

Country Status (5)

Country Link
EP (1) EP2116499B1 (de)
JP (1) JP5377982B2 (de)
KR (1) KR101079891B1 (de)
CN (1) CN101600640B (de)
WO (1) WO2008096433A1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10241486B2 (en) 2015-04-03 2019-03-26 Otis Elevator Company System and method for passenger conveyance control and security via recognized user operations
US10479647B2 (en) 2015-04-03 2019-11-19 Otis Elevator Company Depth sensor based sensing for special passenger conveyance loading conditions
US10513415B2 (en) 2015-04-03 2019-12-24 Otis Elevator Company Depth sensor based passenger sensing for passenger conveyance control
US10513416B2 (en) 2015-04-03 2019-12-24 Otis Elevator Company Depth sensor based passenger sensing for passenger conveyance door control
US11232312B2 (en) 2015-04-03 2022-01-25 Otis Elevator Company Traffic list generation for passenger conveyance

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CN101734527A (zh) * 2009-12-31 2010-06-16 上海杰远环保科技有限公司 一种人脸识别电梯预定系统及其实现方法
CN101901340A (zh) * 2010-08-04 2010-12-01 惠州市华阳多媒体电子有限公司 一种疑犯跟踪方法及系统
CN104299629A (zh) * 2014-10-28 2015-01-21 上海皓业广播传媒有限公司 一种视频控制的音频播放设备及控制方法
CN105060050A (zh) * 2015-07-23 2015-11-18 孟凯涛 电梯运行开门险情检测系统
CN105035888B (zh) * 2015-08-03 2016-08-17 江苏意迪驱动设备有限公司 拒绝危险人物乘坐的智能化电梯
CN105601679B (zh) * 2016-01-13 2019-10-15 复旦大学 一种从生物质水热液化水解液中分离回收单糖、有机酸和酚类化合物组分的方法
CN108698788B (zh) * 2016-02-18 2020-10-16 奥的斯电梯公司 电梯访问控制系统
CN108109348A (zh) * 2017-12-11 2018-06-01 日立楼宇技术（广州）有限公司 分级报警方法及装置
CN108171123A (zh) * 2017-12-11 2018-06-15 日立楼宇技术（广州）有限公司 危险用户识别及报警的方法和装置

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10241486B2 (en) 2015-04-03 2019-03-26 Otis Elevator Company System and method for passenger conveyance control and security via recognized user operations
US10479647B2 (en) 2015-04-03 2019-11-19 Otis Elevator Company Depth sensor based sensing for special passenger conveyance loading conditions
US10513415B2 (en) 2015-04-03 2019-12-24 Otis Elevator Company Depth sensor based passenger sensing for passenger conveyance control
US10513416B2 (en) 2015-04-03 2019-12-24 Otis Elevator Company Depth sensor based passenger sensing for passenger conveyance door control
US11232312B2 (en) 2015-04-03 2022-01-25 Otis Elevator Company Traffic list generation for passenger conveyance
US11836995B2 (en) 2015-04-03 2023-12-05 Otis Elevator Company Traffic list generation for passenger conveyance

Also Published As

Publication number Publication date
CN101600640B (zh) 2013-05-29
JPWO2008096433A1 (ja) 2010-05-20
KR101079891B1 (ko) 2011-11-04
EP2116499B1 (de) 2014-08-20
JP5377982B2 (ja) 2013-12-25
WO2008096433A1 (ja) 2008-08-14
CN101600640A (zh) 2009-12-09
EP2116499A4 (de) 2013-08-28
KR20090100409A (ko) 2009-09-23

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