WO2000045355A1 - Dispositif de detection d'un corps humain et procede associe - Google Patents
Dispositif de detection d'un corps humain et procede associe Download PDFInfo
- Publication number
- WO2000045355A1 WO2000045355A1 PCT/JP2000/000366 JP0000366W WO0045355A1 WO 2000045355 A1 WO2000045355 A1 WO 2000045355A1 JP 0000366 W JP0000366 W JP 0000366W WO 0045355 A1 WO0045355 A1 WO 0045355A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- human body
- unit
- memory unit
- signal
- body detection
- Prior art date
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
- A61B5/0004—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by the type of physiological signal transmitted
- A61B5/0013—Medical image data
-
- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H40/00—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices
- G16H40/60—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices
- G16H40/67—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for remote operation
-
- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16Z—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS, NOT OTHERWISE PROVIDED FOR
- G16Z99/00—Subject matter not provided for in other main groups of this subclass
Definitions
- the present invention relates to a human body detection device and a human body detection method that detect the presence of a human body by processing a captured image and report an abnormality in human body motion.
- an infrared sensor that detects the difference between far-infrared energy radiated from backgrounds such as indoor walls, floors, and ceilings and far-infrared energy radiated from the human body and outputs a detection signal.
- This infrared sensor is mainly used for crime prevention and control of indoor lighting and ventilation fans.
- a human-body detection device using a TV camera has the advantage that it is easy to orient the TV camera because the monitored area can be viewed as it is.
- the infrared sensor type human body detection device detects the amount of change in incident energy, that is, the change in the amount of heat, so it was difficult to determine the direction to the monitoring area.
- the detection signal is output only for a predetermined time, so if the human body stops after the detection and the stop state exceeds the predetermined time, the detection signal is not output.
- the detection state became an abnormal state, and the still human body could not detect this.
- a care recipient transfers an original image taken by a television camera to the nurse
- the nurse can analyze the original image and output the original image to a monitor TV provided on the nurse side when the conditions are determined in advance. Since the images are always transmitted to the nurse, it is possible to output the original image to the monitor TV by intentionally altering the equipment provided on the nurse side, and also to output the original image. Since the analysis means is provided on the nurse side, the above-mentioned original images must be constantly transmitted from the care recipient's home to the nurse side via a public line network, etc., and communication costs are large. Was necessary.
- the present invention can be applied to places where respect for privacy, such as toilets and baths, can be used as a life sensor that checks whether or not the person is performing daily life normally.
- the purpose of the present invention is to provide a human body detection device that can provide a nurse at a remote location with a variety of video information. Disclosure of the invention
- the present invention provides an imaging unit, a human body detection unit that detects a human body from an image signal obtained by the imaging unit, and a state that determines a state of the human body.
- a human body detection device comprising: a determination unit; and a normal signal / alarm signal output unit that outputs a normal signal or an alarm signal, wherein the field memory unit stores the image signal, and a human body part included in the image signal.
- a second memory unit that stores the image data as a predetermined number of pixels and luminance, and reads from the field memory unit and the second memory unit based on the determination result of the state determination unit
- Selection means for selectively performing the following: the selection means permits reading from the field memory unit only when the state determination unit determines that an abnormality has occurred in the human body.
- the image signal is output from the second memory unit into a block of a predetermined number of pixels and brightness, and when a human body abnormality is detected, the field memory unit is used. Therefore, reading from the field memory unit is permitted and output as a video signal only when it is determined that an abnormality has occurred in the human body. Therefore, privacy can be ensured when the care recipient is in a normal daily life, and when the care recipient is abnormal, such as when the caregiver falls down, the detailed video signal is transmitted to the caregiver. It can provide useful information on nursing activities, and can also provide useful information for confirming false alarms. In addition, if the nursing person is performing a normal daily life, sending the video signal once or several times a day to the nursing person will make it possible for the nursing person to You can confirm that you are living your life, and you can greatly reduce the communication costs of public lines.
- the human body detection device wherein permission for transmitting an image signal from the storage unit selected by the selection unit is set. It is characterized by comprising a switch and a communication means for contacting the user to press the switch.
- the present invention includes: an imaging unit; a human body detection unit that detects a human body from an image signal obtained by the imaging unit; a state determination unit that determines a state of the human body; A human body detection method comprising: a normal signal that outputs a normal signal or an alarm signal according to whether the state of the human body is normal or abnormal; and a Z alarm signal output unit, wherein the image signal is stored.
- a field memory unit a second memory unit that stores image data of a human body part included in the image signal in a block with a predetermined number of pixels and luminance, and a determination result of the state determination unit.
- a field memory unit and a selection unit for selectively reading data from the second memory unit.
- a human body detection method characterized by selecting to permit reading from the field memory unit only when it is determined that an abnormality has occurred in the human body.
- an image signal that is locked to a predetermined number of pixels and brightness is output from the second memory section from the second memory section, and when a human body abnormality is detected, the field memory section is output. Therefore, reading from the field memory unit is permitted and output as a video signal only when it is determined that an abnormality has occurred in the human body. Therefore, privacy can be ensured when the care recipient is in normal daily life, and detailed video signals are transmitted to the caregiver when the caregiver is abnormal, such as when the caregiver falls down and cannot move. Because it can provide useful information on nursing activities, it can also provide effective information for confirming misinformation.
- a fourth aspect of the present invention in the human body detection method according to the third aspect, transmission of an image signal from the field memory unit selected by the selection unit is permitted. And a communication means for contacting the user to urge the user to press the switch.
- FIG. 1 is a block diagram showing a human body detection device according to Embodiment 1 of the present invention.
- FIG. 2 is a system block diagram showing an alarm system using a human body detection device according to Embodiment 2 of the present invention.
- FIG. 3 is a diagram showing a blocked human body according to the first and second embodiments of the present invention.
- FIG. 1 shows a block diagram of a human body detection device according to Embodiment 1 of the present invention.
- reference numeral 2 denotes an imaging lens.
- Reference numeral 3 denotes an imaging unit including a CCD (Charge Coupled Device) element for converting an image captured and formed by the imaging lens 2 into an electric signal, and a video signal processing circuit.
- Reference numeral 4 denotes an A / D converter for converting an analog signal into a digital signal.
- Reference numeral 5 denotes a field memory unit.
- Reference numeral 6 denotes a human body detection unit that extracts the characteristics of the human body from the image signal, detects the human body part, and blocks the pixel data of the human body into a predetermined number of pixels and a predetermined brightness level.
- Reference numeral 7 denotes a second memory unit for storing the above-mentioned block data.
- Reference numeral 8 denotes a state determination unit that determines whether the human body is in a normal living state or an abnormal state based on the data stored in the second memory unit 7.
- 9 is to output an alarm signal from a signal indicating the presence or absence of detection of a human body from the human body detection unit 6 and a signal indicating whether the human body is in a normal state or an abnormal state from the state determination unit 8 described above. And outputs a selection signal for performing control to switch the memory (field memory unit 5 or second memory unit 7) from which image data is to be read, and a normal signal when the human body is determined to be normal.
- This is a control circuit that outputs an instruction signal that outputs an alarm signal and outputs an alarm signal when it is determined that there is an abnormality in the human body.
- Reference numeral 11 denotes a DZA for converting the image data selected by the selection means 10 into an analog video signal.
- Reference numeral 12 denotes a normal signal / alarm signal output unit that outputs a normal signal or an alarm signal to the outside according to the instruction signal output from the control unit 9.
- imaging lens 2 focuses the scene in front of imaging lens 2 on imaging unit 3. Let it.
- the imaging unit 3 converts the imaged landscape into an electric signal as an image signal.
- the AZD 4 converts the image signal output from the imaging unit 3 into digital data and stores it in the field memory 5 as image data.
- the image data is sequentially updated in synchronization with the image signal from the imaging unit 3.
- the human body detection unit 6 transmits the image data in the field memory unit 5 to the second memory unit 7 without processing it, It is stored in the memory unit 7 of 2.
- the human body detection unit 6 converts the pixel data of the human body part into pixel data of uniform luminance using a predetermined number of pixels as one block, as shown in FIG. Then, the control unit 9 transmits and stores it to the second memory unit 7 and notifies the control unit 9 that a human body has been detected.
- a method of capturing changes in an image and extracting and detecting the shape of the human body from characteristics of the shape of the human body is disclosed in, for example, Japanese Patent Application Laid-Open Nos. — There is a method described in 5 0 5 2 9.
- the control unit 9 receives the signal from the human body detection unit 6 indicating that the human body has been detected, and outputs an instruction signal to the state determination unit 8 to determine the state of the human body.
- the state determination unit 8 receives an instruction signal for determining the state of the human body from the control unit 9, determines whether there is any abnormality in the human body from the image data in the second memory unit 7, and sends the result to the control unit 9. return. If there is no change in the data of the human body in the second memory unit 7 during a preset time, it is determined whether there is an abnormality in the human body. And the method described in Japanese Patent Laid-Open No. Hei 9-55029.
- the control unit 10 leaves the selection unit 10 at the second memory unit 7 side.
- the DZA 11 switches to the field memory 5 and outputs the image data stored in each field to the DZA 11.
- the DZA 11 converts the selected and input image data into an analog video signal and outputs it to the outside.
- the non-blocked data stored in the field memory 5 is used. Can output image data, You can check the status.
- control unit 9 receives a signal from the human body detection unit 6 indicating that a human body has been detected, and if the result of the above determination as to whether the human body received from the state determination unit 8 is in an abnormal state is not abnormal, the control unit 9 determines that the state is normal.
- the normal signal is output from the normal signal Z alarm signal output unit 12 to the normal signal indicating that the care recipient is in normal daily life.
- control unit 9 receives a signal from the human body detection unit 6 indicating that a human body has been detected, and if the result of the above determination as to whether the human body received from the state determination unit 8 is in an abnormal state is an abnormal state, It is determined that the care recipient has fallen into an abnormal state, and the normal signal Z alarm signal output unit 12 outputs an alarm signal.
- the human body detection device and the human body detection method according to the first embodiment of the present invention block the image signal of the care recipient obtained from the imaging lens into a predetermined number of pixels and a luminance block, and perform the block formation.
- the image data of the human body is detected from the detected pixel signals, and the state of the detected image data is determined by the state determination unit. If the image data is normal, a normal signal is output. If it is coming, an alarm signal will be output and the image data of the blocked human body will be output, so it can be installed in places where respect for privacy such as toilets and baths, and abnormalities in the care recipient's human body It is possible to accurately inform the nurse of the abnormal condition. In addition, confirmation of false reports can be performed accurately.
- Embodiment 2 is possible to accurately inform the nurse of the abnormal condition. In addition, confirmation of false reports can be performed accurately.
- FIG. 2 is a system block diagram of an alarm system using a human body detection device according to Embodiment 2 of the present invention.
- a human body detection device 21 in a human body detection device 21 according to a second embodiment of the present invention, an imaging lens 2, an imaging unit 3, an AZD 4, a fino reded memory unit 5, a human body detection unit 6,
- the memory unit 7, the state determination unit 8, the selection unit 10, the DZA 11, and the normal signal Z alarm signal output unit 12 of the second embodiment have the same configuration as the human body detection device 1 of the first embodiment.
- the human body detection device 21 according to the second embodiment includes a permission switch 23 for permitting transmission of a detailed video signal when a human body is abnormal, and a communication unit 2 for communicating with a remote nursing center.
- a control unit 22 a human body detection device 21 according to the second embodiment, and a transmission device such as a modem device for transmitting various signals from the human body detection device 21 to the nursing center 34.
- a transmission device such as a modem device for transmitting various signals from the human body detection device 21 to the nursing center 34.
- the video signal output from the D / A 11 and the normal signal or alarm signal output from the normal signal / alarm signal output unit 12 And a superimposing Z separating section 25 for superimposing or separating the communication call signal used for communication.
- the human body detecting device 21 having the above-described configuration includes a normal signal indicating that one is normally engaged in daily life outside through the public line network 33, an alarm signal indicating that the human body has become abnormal, and a video signal. It is connected to a home transmission device 32 having a function of transmitting a signal and a communication call signal to a remote nursing center 34 and receiving a communication call signal from the nursing center 34.
- the nursing center 34 receives a normal signal transmitted through the public line network 33 indicating that the care recipient is in normal daily life, or an alarm signal indicating that the human body has become abnormal. Communication between the nursing-side transmission device 35 having a function of receiving the video signal and the communication call signal and transmitting the communication call signal, and the nursing home 31 in an abnormal state. And a monitor TV 36 for communication.
- the operation of the human body detecting device 21 will be described with reference to FIG. 2 and FIG. Note that the operations of the imaging lens 2, the imaging unit 3, the AZD 4 and the field memory unit 5 are the same as those in the first embodiment, and a description thereof will be omitted.
- the human body detection unit 6 when a human body is detected in the image data of the field memory unit 5 as described in the first embodiment, the human body detection unit 6 performs the second operation as shown in FIG.
- the memory unit 7 blocks the image data of the human body part into a predetermined number of pixels, converts the image data into pixel data of uniform luminance, stores the data, and outputs a human body detection signal to the control unit 22.
- control unit 22 receives the human body detection signal and outputs an instruction signal to state determination unit 8 to determine the state of the human body.
- the state determination unit 8 receives an instruction signal for determining the state of the human body from the control unit 22 and receives a second memory unit. The power is determined from the image data of 7 to see if there is any abnormality in the human body, and the result is returned to the control unit 22.
- the control unit 22 determines that one is in normal daily life, Normal signal A normal signal is output from the Z alarm signal output unit 12 indicating that the care recipient is in normal daily life.
- the selection means 10 has selected the second memory unit 7, and the image data in the second memory unit 7 is converted into a video signal by the D / A 11, and the overlapped Z separation unit 25 Is input to Superimposition
- the normal signal and the video signal input to the Z separation unit 25 are superimposed, output to the outside of the human body detection device 21, and nursing via the home transmission device 32 and the public network 33. It is transmitted to the nursing-side transmission device 35 installed at the center 34.
- the nursing-side transmission device 35 receives the above-mentioned normal signal, confirms that the care recipient is in a normal daily life, and can output the video signal to the monitor TV 36. .
- the normal signal from the human body detection device 21 is sent once a day according to the setting of the control unit 21 to confirm that the care recipient is in normal daily life. Etc. can be set arbitrarily.
- the control unit 22 If the result of the determination from the status determination unit 8 as to whether there is an abnormality in the human body is abnormal, the control unit 22 outputs an alarm signal from the normal signal Z alarm signal output unit 12. At the same time, and activate the communication unit 24.
- the selection unit 10 is configured to select the second memory unit 7 instead of the field memory unit 5, and the second memory
- the image data of the unit 7 is converted into a video signal by the DZA 11 and input to the superposition / separation unit 25.
- the alarm signal, the video signal, and the audio signal from the communication unit 24 that are input to the overlap Z separation unit 25 are superimposed, output to the outside of the human body detection device 21, and transmitted to the home.
- the data is transmitted to the nursing-side transmission device 35 installed in the nursing center 34 via the device 32 and the public line network 33.
- the nursing-side transmission device 35 recognizes from the received alarm signal that there is an abnormality in the nursing person, and informs the nursing staff of the nursing center 34 that an abnormal condition has occurred due to an alarm sound or the like. And outputs the video signal to the monitor TV 36.
- the above video signal is Since the image is formed from the image data of the second memory unit 7 provided in the body detection device 21, the human body portion of the image output to the monitor TV 36 is a block image having a uniform luminance. Has become.
- the nurse at the nursing center 34 calls the care recipient via the communication device 37, and the voice signal is sent to the nursing-side transmission device 35 and the public line. Via the network 33 and the in-home transmission device 32, it reaches the communication unit 24 provided in the human body detection device 21 and is transmitted as voice output to the care recipient to enable conversation. Therefore, ask the care recipient to press the permission switch 23.
- the control unit 22 detects that the permission switch 23 has been pressed, and switches the selection means 10 to select the field memory unit 5.
- the selected image data stored in the field memory unit 5 is converted into a video signal by the DZ A 11 and input to the superimposed Z separation unit 25.
- the video signal is superimposed with the above-mentioned alarm signal and the audio signal by the superimposition Z separation unit 25, output from the human body detection device 21 to the outside, and transmitted via the home transmission device 32 and the public line network 33.
- the nursing-side transmission device 35 is input to the nursing-side transmission device 35, and the nursing-side transmission device 35 outputs the video signal to the monitor TV 36.
- the video signal output to the monitor TV 36 is formed from the image data stored in the field memory unit 5 provided in the human body detection device 21, the detailed video signal captured by the imaging unit 3 This is a video signal that is easier to understand than a locked image signal formed from image data in the second memory unit 7.
- the permission switch 23 provided on the human body detection device 21 is designed so that the care recipient can use it around the neck to make it easier for the care recipient to push the permission switch 23.
- the switch may be a wireless pendant type switch, and the human body detecting device 21 may include a receiving unit that receives a wireless signal indicating that the wireless pendant type switch has been pressed.
- the human body detection device and the human body detection method according to the second embodiment of the present invention block an image signal of a care recipient obtained from an imaging lens into a predetermined number of pixels and a luminance block, and block the image signal.
- the image data of the human body is detected from the detected pixel signals, and the state of the detected image data is determined by the state determination unit. It outputs a signal, and outputs an alarm signal if the care recipient has any abnormality in the human body.
- the alarm signal is output, the image data of the blocked human body is output.
- the nurse communicated with the care recipient using audio signals and requested that the permission switch be pressed to view the video of the care recipient's detailed situation.
- the video signal of the detailed video that is not converted can be transmitted, and the privacy of the care recipient can be reliably protected.
- the human body detection device and the human body detection method according to the present invention respect the privacy of the care recipient and can be used as a sensor of daily life. This is useful for realizing human body detection that can provide video information to nurses at remote locations.
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Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/647,242 US6331818B1 (en) | 1999-01-29 | 2000-01-25 | Human body detecting device and method therefor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11/22746 | 1999-01-29 | ||
JP02274699A JP3839982B2 (ja) | 1999-01-29 | 1999-01-29 | 人体検知装置及び人体検知方法 |
Publications (1)
Publication Number | Publication Date |
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WO2000045355A1 true WO2000045355A1 (fr) | 2000-08-03 |
Family
ID=12091273
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2000/000366 WO2000045355A1 (fr) | 1999-01-29 | 2000-01-25 | Dispositif de detection d'un corps humain et procede associe |
Country Status (7)
Country | Link |
---|---|
US (1) | US6331818B1 (ja) |
JP (1) | JP3839982B2 (ja) |
KR (1) | KR100380507B1 (ja) |
CN (1) | CN1169098C (ja) |
ID (1) | ID26838A (ja) |
TW (1) | TW457819B (ja) |
WO (1) | WO2000045355A1 (ja) |
Cited By (1)
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CN101859472A (zh) * | 2010-05-04 | 2010-10-13 | 苏州悠安科技有限公司 | 老人健康预警系统 |
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DE60031349T2 (de) * | 1999-11-18 | 2007-05-24 | Fuji Photo Film Co., Ltd., Minami-Ashigara | Verfahren und Vorrichtung zur Erzeugung von Fluoreszenzbildern |
JP3389548B2 (ja) * | 2000-01-13 | 2003-03-24 | 三洋電機株式会社 | 部屋内異常検出装置及び部屋内異常検出方法 |
JP3965943B2 (ja) * | 2001-07-12 | 2007-08-29 | 株式会社ノーリツ | 人体検出装置 |
US20060176182A1 (en) * | 2003-02-19 | 2006-08-10 | Eiji Noguchi | Monitor electronic apparatus system, monitor method, program and recording medium |
CN1322477C (zh) * | 2004-03-25 | 2007-06-20 | 浙江工业大学 | 独居老人家庭安保装置 |
US20060231782A1 (en) * | 2005-04-14 | 2006-10-19 | Masco Corporation | CCD camera element used as actuation detector for electric plumbing products |
GB2444107A (en) * | 2006-11-22 | 2008-05-28 | Karen Gail Lambert | Resident monitoring system with remote communications and video processing. |
KR100931252B1 (ko) | 2007-11-28 | 2009-12-11 | 정보경 | 주거활동 탐지시스템 |
JP5169374B2 (ja) * | 2008-03-26 | 2013-03-27 | 株式会社Jvcケンウッド | 医療情報記録システムおよび表示装置 |
JP5424676B2 (ja) * | 2009-03-13 | 2014-02-26 | キヤノン株式会社 | 画像処理装置 |
CN101510344A (zh) * | 2009-03-24 | 2009-08-19 | 北京中星微电子有限公司 | 看护系统 |
WO2012002904A1 (en) * | 2010-07-02 | 2012-01-05 | Fotonic I Norden Ab | Device and method for detection of abnormal spatial states of a human body |
CN102895740B (zh) * | 2011-07-27 | 2016-08-10 | 上海宏倍斯三盛卫浴有限公司 | 具有自动求救功能的红外线康体屋 |
JP6954522B2 (ja) | 2016-08-15 | 2021-10-27 | 株式会社木村技研 | セキュリティ管理システム |
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- 1999-01-29 JP JP02274699A patent/JP3839982B2/ja not_active Expired - Fee Related
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- 2000-01-25 US US09/647,242 patent/US6331818B1/en not_active Expired - Lifetime
- 2000-01-25 KR KR10-2000-7010767A patent/KR100380507B1/ko not_active IP Right Cessation
- 2000-01-25 ID IDW20002220A patent/ID26838A/id unknown
- 2000-01-25 CN CNB008001057A patent/CN1169098C/zh not_active Expired - Fee Related
- 2000-01-27 TW TW089101398A patent/TW457819B/zh not_active IP Right Cessation
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CN101859472A (zh) * | 2010-05-04 | 2010-10-13 | 苏州悠安科技有限公司 | 老人健康预警系统 |
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JP3839982B2 (ja) | 2006-11-01 |
CN1169098C (zh) | 2004-09-29 |
ID26838A (id) | 2001-02-15 |
CN1293799A (zh) | 2001-05-02 |
TW457819B (en) | 2001-10-01 |
JP2000222661A (ja) | 2000-08-11 |
KR100380507B1 (ko) | 2003-04-18 |
US6331818B1 (en) | 2001-12-18 |
KR20010042238A (ko) | 2001-05-25 |
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