[특허]Method and system for directing a following device toward a movable object

[미국특허] Method and system for directing a following device toward a movable object 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01S-003/80
출원번호	US-0407795 (1999-09-29)
발명자 / 주소	Zhang Ruiming Moh John
출원인 / 주소	VI&T Group
대리인 / 주소	McCormick, Paulding & Huber LLP
인용정보	피인용 횟수 : 19 인용 특허 : 22

초록 ▼

An automated object following system includes a tracker associated with a following device, and a guider associated with an object to be followed. The tracker includes a first processor, and at least two transducers for generating an encoded ultrasonic signal. Each transducer has a control input communicating with the first processor for emitting an encoded ultrasonic signal generally toward the guider in response to a command signal from the first processor. The encoded ultrasonic signals carry signal source identification information. A radio frequency (RF) receiver communicates with the first processor for receiving from the guider an encoded RF signal carrying distance and direction information of the guider relative to the tracker to be used for steering the following device toward the object to be followed.

대표청구항 ▼

[ What is claimed is:] [9.]9. An automated object following system comprising:a tracker associated with a following device, and a guider associated with an object to be followed;the tracker including:a first processor;at least two means for generating an encoded ultrasonic signal each having a control input communicating with the first processor for emitting an encoded ultrasonic signal generally toward the guider in response to a command signal from the first processor, the encoded ultrasonic signals carrying signal source identification and timing information;a plurality of infrared (IR) transmitters communicating with the first processor, each of the IR transmitters oriented in a slightly different direction relative to an adjacent IR transmitter for emitting an encoded IR signal carrying source identification information generally toward the guider; anda radio frequency (RF) receiver communicating with the first processor for receiving from the guider an encoded RF signal carrying information based on the ultrasonic signals and which of the IR signals is received by the guider to determine the distance and direction of the guider relative to the tracker for steering the following device; andthe guider including:an ultrasonic detector for detecting the ultrasonic signals generated by the ultrasonic means of the tracker;an IR receiver for detecting at least one of the encoded IR signals generated by the IR transmitters;a second processor communicating with the ultrasonic detector and the IR receiver encoding information to be carried by an RF signal to the tracker and based on the ultrasonic signals and which of the IR signals is received by the guider for the tracker to determine the distance and direction of the guider relative to the tracker; andan RF transmitter communicating with the second processor for transmitting the encoded RF signal to the RF receiver of the tracker.

이 특허에 인용된 특허 (22) 인용/피인용 타임라인 분석

De Bruyne Pieter (Zurich CHX), Apparatus for determining the position of a movable object.
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Matsuzaki Kouichi (Tokyo JPX) Yamagishi Setsuo (Tokyo JPX), Automatic guiding and tracking device.
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Dong Dawei (401 Aldo Ave. Santa Clara CA 95054), Automatic tracking mobile platform.
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Harigae Masatoshi (Yokohama JPX) Oka Masaru (Yokohama JPX), Clock test apparatus for electronic device.
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Caine Harold A. (484 Kent Ct. Oceanside NY 11572), Collision avoidance device.
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Diehl Reiner (Bremen DT) Lutkemeyer-Hohmann Margitta (Bremen DT), Direction determination in sonar systems.
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Oishi Kazuo (Oobu JPX) Hinachi Matatoyo (Nagoya JPX) Matsui Takeshi (Kariya JPX) Kotera Masao (Okazaki JPX), Following distance measuring communication system.
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Puma Samuel C. (Torrance CA) Sinacori John B. (Pebble Beach CA) Brown Yorke J. (Binghamton NY), High speed high resolution ultrasonic position and orientation tracker.
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Puma Sam C. (Torrance CA) Brody Brian D. (Studio City CA) Lee Gregory R. (Torrance CA), High speed high resolution ultrasonic position and orientation tracker using a single ultrasonic frequency.
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Verma Vikram (Palo Alto CA) Reis Robert S. (Palo Alto CA) Mihovilovic Domingo A. (Mountain View CA) Keleshian Philip J. (San Jose CA), Method and apparatus for locating items.
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Pouit Christian (Rueil Malmaison FRX), Method and device for determining the speed of a moving object by means of a pulse-compression radar or sonar.
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Kobayashi Hiroshi (Tokyo JPX), Method of measuring a distance.
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Nagamachi Sakae (Ise JPX), Motor-driven cart.
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Bohman Carl E. (New Holland PA), Non-contact sensing unit for row crop harvester guidance system.
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Weir Richard F. ff. ; Childress Dudley S. ; Licameli Joseph N., Portable ranging system for analyzing gait.
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Davies Ronald C. ; Fowler Frederick J., Robotic golf caddy apparatus and method.
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Gilmour John E. (Richland Township ; Allegheny County PA), Sonar receiver with improved time varied gain correction.
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Bail Gunther,DEX, System consisting of an automotive vehicle, preferably golf caddy, and a transmitter.
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Sukonick Josef (14774 Live Oak La. Saratoga CA 95070), System for the cooperative driving of two or more vehicles.
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Boyd Randy D., System for tracking an article or person.
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Trainer Wolfram,DEX, Ultrasonic tracking control for an automotive vehicle.
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Asayama Yoshiaki (Himeji JPX), Vehicle following apparatus.
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이 특허를 인용한 특허 (19) 인용/피인용 타임라인 분석

Kim, Se Wan, Apparatus and method for detecting position of mobile robot.
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Hyde, Roderick A.; Malaska, Stephen L., Automated systems, devices, and methods for transporting and supporting patients.
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Hyde, Roderick A.; Malaska, Stephen L., Automated systems, devices, and methods for transporting and supporting patients.
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Hyde, Roderick A.; Malaska, Stephen L., Automated systems, devices, and methods for transporting and supporting patients.
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Hyde, Roderick A.; Malaska, Stephen L., Automated systems, devices, and methods for transporting and supporting patients.
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Hyde, Roderick A.; Malaska, Stephen L., Automated systems, devices, and methods for transporting and supporting patients.
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Hyde, Roderick A.; Malaska, Stephen L., Automated systems, devices, and methods for transporting and supporting patients.
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Bokhour, Edward, Collision avoidance method and system.
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Zhang, Jian; Lee, Chunghsin, Foldable cart with tracking arrangement.
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Paz-Meidan, Uri; Lepek, Hanan; Glazer, Ofer, Infantry robotic porter system and methods useful in conjunction therewith.
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Whalley, Ian Nicholas; White, Steve R., Method for mapping machine rooms and locating machines within machine rooms.
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Miyamoto, Junichi; Kajitani, Hiroshi, Position detection apparatus, position detection method, mobile, and receiver.
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Osterkamp,Mark Alan, RF communications method and system for laser ultrasonic testing.
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Traster, Elden D., System and method for autonomous vehicle localization.
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Lee, Chunghsin; Zhang, Jian, Tracking foldable cart.
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Haddad, Wassim, Tracking system and method.
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[미국특허] Method and system for directing a following device toward a movable object 원문보기