WO1996035924A1 - Systeme de navigation de vehicule - Google Patents
Systeme de navigation de vehicule Download PDFInfo
- Publication number
- WO1996035924A1 WO1996035924A1 PCT/JP1996/001240 JP9601240W WO9635924A1 WO 1996035924 A1 WO1996035924 A1 WO 1996035924A1 JP 9601240 W JP9601240 W JP 9601240W WO 9635924 A1 WO9635924 A1 WO 9635924A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- route
- acceleration
- vehicle
- road
- acceleration resistance
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/3453—Special cost functions, i.e. other than distance or default speed limit of road segments
- G01C21/3461—Preferred or disfavoured areas, e.g. dangerous zones, toll or emission zones, intersections, manoeuvre types, segments such as motorways, toll roads, ferries
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/3407—Route searching; Route guidance specially adapted for specific applications
Definitions
- the present invention relates to a vehicle navigation device that searches for and guides a route suitable for traveling according to the acceleration resistance of a vehicle.
- a vehicle navigation device that provides a route guidance to a driver who is unfamiliar with geography.
- road data is stored in a storage device, and based on the road data, a travel route of a vehicle from a current position to a destination is searched, and route guidance is provided according to the current position of the vehicle. It is supposed to do.
- an object of the present invention is to provide a vehicle navigation device capable of searching for and guiding a route suitable for traveling according to the acceleration resistance of the vehicle.
- the present invention provides input means for inputting information including a destination, storage means for storing road information necessary for route search and route guidance, acceleration resistance detection means for detecting acceleration resistance of a vehicle,
- the driving road is extracted based on the acceleration resistance of the vehicle detected by the resistance detecting means and the road information stored by the storage means. Then, using the extracted traveling road, a route searching means for searching for a route to the destination input by the input means, and a route guiding means for performing route guidance according to the route searched by the route searching means.
- the vehicle navigation device is provided.
- the storage unit stores road information necessary for route search and route guidance, and the acceleration resistance detection unit detects the acceleration resistance of the vehicle. Then, a traveling road is extracted by the route searching means based on the acceleration resistance detected by the acceleration resistance detecting means and the road information stored by the storage means. The route to the destination entered by the means is searched, and route guidance is performed by the route guidance means according to this route.
- the acceleration resistance detecting means compares the reference acceleration obtained from the engine torque with the actual acceleration obtained from the vehicle speed to determine the load state of the vehicle excluding the hill resistance. Configure to detect relevant data. That is, the acceleration resistance detecting means compares the reference acceleration obtained from the engine torque with the actual acceleration obtained from the vehicle speed, and detects the acceleration delay of the vehicle.
- FIG. 1 is a block diagram showing a configuration of a vehicle navigation device according to one embodiment of the present invention.
- FIG. 2 is a flowchart showing the operation of the vehicle navigation device.
- FIG. 3 is a characteristic diagram showing a temporal change of the reference acceleration, the actual acceleration, and the like in a state where the throttle opening is approximately 20% in a normal state.
- Fig. 4 is a characteristic diagram showing the temporal changes in the reference acceleration, actual acceleration, etc. when the throttle opening is about 20% during towing.
- FIG. 5 shows the reference acceleration and the actual acceleration when the throttle opening is about 30% at normal times.
- FIG. 9 is a characteristic diagram illustrating a temporal change such as a speed.
- FIG. 6 is a characteristic diagram showing a temporal change in the reference acceleration, the actual acceleration, and the like when the throttle opening is about 30% during towing.
- FIG. 7 is a characteristic diagram showing a temporal change of the reference acceleration, the actual acceleration, and the like in a state where the throttle opening is approximately 40% in a normal state.
- FIG. 8 is a characteristic diagram showing a temporal change in the reference acceleration, the actual acceleration, and the like when the throttle opening is about 40% during towing.
- FIG. 9 is an explanatory diagram illustrating an example of a case where a route searched by the vehicle navigation device is different between a normal time and a towing time.
- FIG. 1 is a block diagram showing a configuration of a vehicle navigation device according to one embodiment of the present invention.
- This vehicle navigation device includes a calculation unit 10 which includes a display 11 a functioning as a touch panel and a switch 1 lb provided for operation around the display 11 a.
- Display unit 11 a switch input management unit 12 that manages inputs from the switch panel and switch 11 b of the display unit 11, a current position measurement unit 13, and a vehicle speed sensor 1 that detects vehicle speed 1, a first rotation sensor 1442 for detecting the engine speed, a second rotation sensor 1443 for detecting the output speed from the transmission, and throttle opening information from an engine controller (not shown).
- a throttle opening obtaining section 144 to be obtained, a map data storage section 15, a voice recognition section 16, and a voice output section 17 are connected.
- the current position measuring unit 13 detects the current position where the vehicle is currently running or stopped by detecting coordinate data based on latitude and longitude. This current position measurement
- the part 13 includes a GPS (Global Position System) receiver 21 that measures the position of the vehicle using artificial satellites, and a beacon receiver 20 that receives position information from beacons placed on the road.
- GPS Global Position System
- the azimuth sensor 22 and the distance sensor 23 are connected, and the current position measuring unit 13 measures the current position of the vehicle using information from these.
- the azimuth sensor 22 is, for example, a terrestrial magnetism sensor that detects terrestrial magnetism to determine the azimuth of the vehicle, a gyro such as a gas rate gyro or an optical fiber gyro that detects the rotational angular velocity of the vehicle and integrates the angular velocity to determine the azimuth of the vehicle.
- a wheel sensor is used in which left and right wheel sensors are arranged and the amount of azimuth displacement is calculated by detecting the turning of the vehicle based on the output pulse difference (difference in travel distance).
- various methods such as a method of detecting and counting the number of rotations of a wheel, or a method of detecting acceleration and integrating twice are used.
- the GPS receiver 21 and the beacon receiver 20 can perform position measurement independently, but in places where reception by the GPS receiver 21 and the beacon receiver 20 is not possible, the azimuth sensor 22 and the distance sensor The current position is detected by dead reckoning navigation using both methods.
- the map data storage unit .15 includes a road data storage unit 151 storing road data necessary for route search and route guidance, and a display data storage unit 152 storing display data.
- the road data storage unit 151 stores road data that is data of intersections, nodes, roads, and the like used for route search.
- the road data includes various data such as lane, road width, height limit, weight limit, turning radius of curvature, and inclination angle associated with each road.
- the display data storage unit 152 stores destination data, which is data of selectable destinations displayed on the map together with roads, and backgrounds of buildings, transportation, rivers, etc. displayed on the map together with roads. Is stored.
- a microphone 24 for inputting voice is connected to the voice recognition unit 16.
- the audio output section 17 is an audio output IC that outputs audio as digital signals. 26, a DZA converter 27 for digital-to-analog conversion of the output of the audio output IC 26, and an amplifier 28 for amplifying the output of the DZA converter 27.
- the output terminal of the amplifier 28 is connected to the speaker 29.
- the calculation unit 10 is connected to the vehicle speed sensor 14 1 and the map data storage unit 15, and reads the data stored in the map data storage unit 15.
- Map drawing unit 32 that draws a map using stored data
- map management unit 33 that manages map data reading unit 31 and map drawing unit 32, map drawing unit 32, and display
- a screen management unit 34 is connected to the unit 11 and manages the screen of the display 11a.
- the operation unit 10 is connected to the switch input type management unit 12 and the voice recognition unit 16 and is connected to the input management unit 35 that manages inputs and the voice output IC 26 of the voice output unit 17.
- the sound output management unit 36 that manages sound output
- the vehicle speed sensor 141 the first rotation sensor 144, the second rotation sensor 144, and the throttle opening acquisition unit 144.
- a load state detector 38 that detects the load state (acceleration resistance) of the vehicle, a map manager 33, a screen manager 34, an input manager 35, an audio output manager 36, and a load state detector It has an overall management section 37 that manages 38.
- the arithmetic unit 10 includes a CPU (central processing unit), ROM (read, only, memory), RAM (random 'access' memory), etc., and the CPU stores the program stored in ROM with the RAM as the working area.
- the RAM stores the value of the cordage type data F for distinguishing between the normal route search and the route search such as towing.
- the value of the search type data F is initialized to “0”.
- the user inputs the destination by hand using the touch panel or the switch 1 lb of the display unit 11 or by voice using the microphone 24.
- Information input using the touch panel switch 11b is input to the overall management unit 37 via the switch input management unit 12 and the input management unit 35.
- Information input by voice using the microphone 24 is recognized by the voice recognition unit 16, and is input to the overall management unit 37 via the input management unit 35.
- the vehicle navigation device Upon receiving the route search instruction, the vehicle navigation device starts the processing shown in FIG. In this process, first, the overall management section 37 determines whether or not the adaptive shift control determination permission condition is satisfied (step 101).
- the adaptive shift control determination permission condition is the following six conditions. That is, (a) 5 kmZh ⁇ car speed 120 kmZh, (b) 40 ° C ⁇ oil temperature, (c) not shifting, (d) forward range (shift (E) File detection (vehicle speed sensor, rotation sensor, throttle sensor, oil temperature sensor, shift Treveva position detection switch, solenoid) (Trever position is Low, Second, Third, Drive, etc.).
- the adaptive shift control judgment permission condition is satisfied if the road at the current position is a flat road.
- whether or not the current position of the road is a flat road is determined, for example, by calculating the altitude difference between two points on the road where the vehicle is currently located from the altitude data stored in the road data storage unit 151. It is calculated, and it is determined from the calculated altitude difference whether or not the road is flat.
- a tilt sensor for the traveling direction may be arranged on the vehicle, and it may be determined whether or not the vehicle is on a flat road based on the measured value.
- the road data storage section 151 stores slope data representing the slope angle of a road having a certain slope angle or more. Alternatively, it may be determined whether or not the road is a flat road from the presence or absence of the inclination data and the value of the inclination angle.
- the load condition detection unit 38 detects the load condition (acceleration resistance) of the vehicle as follows.
- the throttle opening obtained by the throttle opening obtaining unit 144 and detected by the first rotation sensor 144 were used.
- Calculate the engine torque from the engine speed step 102).
- a speed ratio is determined from the engine speed and the output speed from the transmission detected by the second rotation sensor 144 (step 103).
- the torque ratio is determined from the speed ratio using a map representing the relationship between the speed ratio and the torque ratio (step 104).
- the output torque from the transmission is calculated by multiplying the engine torque by the torque ratio (step 105), and the losses such as gear loss and air resistance are subtracted from the output torque from the transmission. Divide by the vehicle weight to calculate the reference acceleration obtained from the engine torque (step 106).
- step 107 it is determined whether or not a value obtained by subtracting the actual acceleration from the reference acceleration exceeds a predetermined value A (step 107). That is, the load state (acceleration resistance) of the vehicle is detected.
- the actual acceleration can be obtained by differentiating the vehicle speed detected by the vehicle speed sensor 141.
- the predetermined value A is set to a value such that the difference between the reference acceleration and the actual acceleration exceeds the value when, for example, a tow of 1 ton or more is towed or a load of 1 ton or more is loaded. .
- the normal route search is to perform a normal route search that includes a mountain or a steep slope and a normal road as search targets without particularly distinguishing them.
- F 0 is the case where the first route search is performed.
- F 2 is the case where the normal route search has already been performed, but the route to the destination is re-searched due to the start of running with towing or loading a load on the way.
- step 1 14; Y the route search to the destination has not been performed yet and the first route search needs to be performed, as before the start of traveling.
- the process returns to step 109 to perform a normal route search.
- the overall control unit 37 searches the map based on the map displayed on the display 11 a and the voice guidance output from the voice output unit 17. Route guidance is performed according to the route that has been performed.
- reference numeral 51 denotes a reference acceleration (m / sec 2) obtained from the engine torque
- 52 denotes an actual acceleration (mZ sec)
- 53 denotes a throttle opening (%)
- 5 denotes an engine speed (r pm) and 55 represent the gear (speed).
- Fig. 3 shows the time-dependent change of each of the above parameters when the throttle opening is about 20% at normal times without towing.
- Fig. 4 shows the change over time of each of the above parameters when the throttle opening is about 20% during towing
- Fig. 5 shows the normal state when the throttle opening is about 30% during normal operation
- Fig. 6 shows the temporal change of each parameter over time.
- Fig. 6 shows the temporal change of each of the above parameters when the throttle opening is about 30% during towing
- Fig. 7 shows the throttle at normal times.
- Fig. 8 shows the temporal change of each of the above parameters when the opening is about 40% .
- Fig. 8 shows the temporal change of each of the above parameters when the throttle opening is about 40% during towing. Is represented.
- the difference between the reference acceleration 51 and the actual acceleration 52 is normally small, but the difference between the reference acceleration 51 and the actual acceleration 52 is large during towing.
- the load state (acceleration resistance) of the vehicle can be detected based on whether or not a value obtained by subtracting the actual acceleration 52 from the reference acceleration 51 exceeds a predetermined value A.
- Fig. 9 shows an example of the case where the route searched by the vehicle navigation device differs between normal and towing (including when a load is loaded).
- Fig. 9 (a) shows the route 61 that is normally searched by the vehicle navigation device, as shown in this example.
- the shortest route 61 is searched.
- Fig. 9 (b) shows the route searched by the vehicle navigation device during towing, and as shown in this example, it includes unsuitable roads such as mountain roads during towing. No route 62 is searched.
- the load state (acceleration resistance) of the vehicle detected by the load state detection unit 38 and the road data stored in the road data storage unit 15 1 of the map data storage unit 15 Drivable roads are extracted based on the data, and route search and route guidance are performed using the extracted drivable roads. Therefore, driving is performed according to the load state (acceleration resistance) of the vehicle. It can search for and provide a route that is suitable for the route.
- the present invention is not limited to the above-described embodiment. Only possible roads may be displayed on the display 11a. Industrial applicability
- the vehicle navigation device is useful as a guide device for a traveling route of a vehicle.
- it is suitable for traveling route guidance for vehicles that tow or carry a load.
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Navigation (AREA)
- Radar Systems Or Details Thereof (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP51967596A JP3582838B2 (ja) | 1995-05-10 | 1996-05-10 | 車両ナビゲーション装置 |
EP96913721A EP0774647B1 (en) | 1995-05-10 | 1996-05-10 | Car navigator |
US08/765,747 US5760713A (en) | 1995-05-10 | 1996-05-10 | Navigation system of a vehicle |
DE69622817T DE69622817T2 (de) | 1995-05-10 | 1996-05-10 | Fahrzeugnavigationssystem |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13568595 | 1995-05-10 | ||
JP7/135685 | 1995-05-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996035924A1 true WO1996035924A1 (fr) | 1996-11-14 |
Family
ID=15157528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1996/001240 WO1996035924A1 (fr) | 1995-05-10 | 1996-05-10 | Systeme de navigation de vehicule |
Country Status (5)
Country | Link |
---|---|
US (1) | US5760713A (ja) |
EP (1) | EP0774647B1 (ja) |
JP (1) | JP3582838B2 (ja) |
DE (1) | DE69622817T2 (ja) |
WO (1) | WO1996035924A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006043419A1 (ja) * | 2004-10-18 | 2006-04-27 | Pioneer Corporation | 経路探索装置およびナビゲーション装置 |
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US10361802B1 (en) | 1999-02-01 | 2019-07-23 | Blanding Hovenweep, Llc | Adaptive pattern recognition based control system and method |
US8352400B2 (en) | 1991-12-23 | 2013-01-08 | Hoffberg Steven M | Adaptive pattern recognition based controller apparatus and method and human-factored interface therefore |
US7268700B1 (en) | 1998-01-27 | 2007-09-11 | Hoffberg Steven M | Mobile communication device |
US6252544B1 (en) * | 1998-01-27 | 2001-06-26 | Steven M. Hoffberg | Mobile communication device |
US6480121B1 (en) | 1998-09-25 | 2002-11-12 | William Reimann | Comprehensive information and service providing system |
US6107939A (en) * | 1998-11-05 | 2000-08-22 | Trimble Navigation Limited | Lane change alarm for use in a highway vehicle |
US7966078B2 (en) | 1999-02-01 | 2011-06-21 | Steven Hoffberg | Network media appliance system and method |
EP1115101A4 (en) * | 1999-05-25 | 2006-05-17 | Mitsubishi Electric Corp | CARD MANUFACTURING DEVICE |
EP2261607A3 (en) * | 2000-02-16 | 2013-08-07 | TeleNav, Inc. | Method and system for determining a preferred path in a navigation system |
US6421607B1 (en) * | 2000-09-22 | 2002-07-16 | Motorola, Inc. | System and method for distributed navigation service |
US6487477B1 (en) | 2001-05-09 | 2002-11-26 | Ford Global Technologies, Inc. | Strategy to use an on-board navigation system for electric and hybrid electric vehicle energy management |
US20060253249A1 (en) * | 2003-02-11 | 2006-11-09 | Christian Bruelle-Drews | High occupancy vehicle restriction aware navigation system |
CA2509707A1 (en) * | 2004-06-10 | 2005-12-10 | Andre Gagnon | Apparatus and method for tracing a path travelled by an entity or object, and tag for use therewith |
DE102004053956A1 (de) * | 2004-11-09 | 2006-05-11 | Daimlerchrysler Ag | Vorrichtung und Verfahren zur autonomen, fahrzeugseitigen Erhebung und Verarbeitung positionsbezogener Daten |
US11390165B2 (en) | 2005-11-17 | 2022-07-19 | Invently Automotive Inc. | Electric vehicle power management system |
US11180025B2 (en) | 2005-11-17 | 2021-11-23 | Invently Automotive Inc. | Electric vehicle power management system |
US11279233B2 (en) | 2005-11-17 | 2022-03-22 | Invently Automotive Inc. | Electric vehicle power management system |
US11247564B2 (en) | 2005-11-17 | 2022-02-15 | Invently Automotive Inc. | Electric vehicle power management system |
US11345236B2 (en) | 2005-11-17 | 2022-05-31 | Invently Automotive Inc. | Electric vehicle power management system |
US11370302B2 (en) | 2005-11-17 | 2022-06-28 | Invently Automotive Inc. | Electric vehicle power management system |
US11267338B2 (en) | 2005-11-17 | 2022-03-08 | Invently Automotive Inc. | Electric vehicle power management system |
US11254211B2 (en) | 2005-11-17 | 2022-02-22 | Invently Automotive Inc. | Electric vehicle power management system |
US10882399B2 (en) | 2005-11-17 | 2021-01-05 | Invently Automotive Inc. | Electric vehicle power management system |
US11186173B2 (en) | 2005-11-17 | 2021-11-30 | Invently Automotive Inc. | Electric vehicle power management system |
US11230190B2 (en) | 2005-11-17 | 2022-01-25 | Invently Automotive Inc. | Electric vehicle power management system |
US11214144B2 (en) | 2005-11-17 | 2022-01-04 | Invently Automotive Inc. | Electric vehicle power management system |
EP1994380A1 (en) * | 2006-03-10 | 2008-11-26 | The Provost, Fellows And Scholars Of The College Of The Holy And Undivided Trinity Of Queen Elizabeth Near Dublin | A system for determining a vehicle load |
JP5920529B2 (ja) * | 2013-04-02 | 2016-05-18 | トヨタ自動車株式会社 | 走行抵抗演算装置 |
CN111942326A (zh) * | 2013-12-11 | 2020-11-17 | 普瑞诺斯有限公司 | 雪道整理机或其它履带式车辆及其系统 |
US10076937B2 (en) | 2016-09-14 | 2018-09-18 | Ford Global Technologies, Llc | Vehicle tow capacity estimator |
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JPH04134600A (ja) * | 1990-09-27 | 1992-05-08 | Nissan Motor Co Ltd | 車両の走行経路誘導装置 |
JPH0719939A (ja) * | 1993-06-30 | 1995-01-20 | Toshiba Corp | 自重計機能付きナビゲーション装置 |
JPH0785397A (ja) * | 1993-09-17 | 1995-03-31 | Honda Motor Co Ltd | 電気自動車用表示装置 |
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JPH0278907A (ja) * | 1988-09-16 | 1990-03-19 | Hitachi Ltd | 地図データを用いたナビゲーシヨンシステム及び移動体のロケーションシステム |
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JP3385657B2 (ja) * | 1993-08-10 | 2003-03-10 | トヨタ自動車株式会社 | 車載用ナビゲーション装置 |
-
1996
- 1996-05-10 DE DE69622817T patent/DE69622817T2/de not_active Expired - Lifetime
- 1996-05-10 JP JP51967596A patent/JP3582838B2/ja not_active Expired - Fee Related
- 1996-05-10 US US08/765,747 patent/US5760713A/en not_active Expired - Lifetime
- 1996-05-10 WO PCT/JP1996/001240 patent/WO1996035924A1/ja active IP Right Grant
- 1996-05-10 EP EP96913721A patent/EP0774647B1/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH04134600A (ja) * | 1990-09-27 | 1992-05-08 | Nissan Motor Co Ltd | 車両の走行経路誘導装置 |
JPH0719939A (ja) * | 1993-06-30 | 1995-01-20 | Toshiba Corp | 自重計機能付きナビゲーション装置 |
JPH0785397A (ja) * | 1993-09-17 | 1995-03-31 | Honda Motor Co Ltd | 電気自動車用表示装置 |
Non-Patent Citations (1)
Title |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006043419A1 (ja) * | 2004-10-18 | 2006-04-27 | Pioneer Corporation | 経路探索装置およびナビゲーション装置 |
JPWO2006043419A1 (ja) * | 2004-10-18 | 2008-05-22 | パイオニア株式会社 | 経路探索装置およびナビゲーション装置 |
Also Published As
Publication number | Publication date |
---|---|
EP0774647B1 (en) | 2002-08-07 |
EP0774647A1 (en) | 1997-05-21 |
US5760713A (en) | 1998-06-02 |
JP3582838B2 (ja) | 2004-10-27 |
DE69622817D1 (de) | 2002-09-12 |
DE69622817T2 (de) | 2002-12-12 |
EP0774647A4 (en) | 1999-04-28 |
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