IL137161A0 - Transmitter pen location system - Google Patents

Transmitter pen location system

Info

Publication number
IL137161A0
IL137161A0 IL13716199A IL13716199A IL137161A0 IL 137161 A0 IL137161 A0 IL 137161A0 IL 13716199 A IL13716199 A IL 13716199A IL 13716199 A IL13716199 A IL 13716199A IL 137161 A0 IL137161 A0 IL 137161A0
Authority
IL
Israel
Prior art keywords
pen
receivers
output signal
location
receiver
Prior art date
Application number
IL13716199A
Other languages
English (en)
Original Assignee
Electronics For Imaging Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22696733&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IL137161(A0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Electronics For Imaging Inc filed Critical Electronics For Imaging Inc
Publication of IL137161A0 publication Critical patent/IL137161A0/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/18—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using ultrasonic, sonic, or infrasonic waves
    • G01S5/30—Determining absolute distances from a plurality of spaced points of known location
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/18—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using ultrasonic, sonic, or infrasonic waves
    • G01S5/20—Position of source determined by a plurality of spaced direction-finders
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/043—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using propagating acoustic waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Position Input By Displaying (AREA)
IL13716199A 1998-11-10 1999-10-08 Transmitter pen location system IL137161A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/189,299 US6414673B1 (en) 1998-11-10 1998-11-10 Transmitter pen location system
PCT/US1999/023541 WO2000028348A1 (en) 1998-11-10 1999-10-08 Transmitter pen location system

Publications (1)

Publication Number Publication Date
IL137161A0 true IL137161A0 (en) 2001-07-24

Family

ID=22696733

Family Applications (2)

Application Number Title Priority Date Filing Date
IL13716199A IL137161A0 (en) 1998-11-10 1999-10-08 Transmitter pen location system
IL137161A IL137161A (en) 1998-11-10 2000-07-04 Transmitter pen location system

Family Applications After (1)

Application Number Title Priority Date Filing Date
IL137161A IL137161A (en) 1998-11-10 2000-07-04 Transmitter pen location system

Country Status (10)

Country Link
US (1) US6414673B1 (ja)
EP (2) EP1635186A3 (ja)
JP (2) JP4808845B2 (ja)
AT (1) ATE328289T1 (ja)
AU (1) AU741604B2 (ja)
BR (1) BR9906838A (ja)
CA (1) CA2316799A1 (ja)
DE (1) DE69931602T2 (ja)
IL (2) IL137161A0 (ja)
WO (1) WO2000028348A1 (ja)

Families Citing this family (103)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7268774B2 (en) * 1998-08-18 2007-09-11 Candledragon, Inc. Tracking motion of a writing instrument
US20100008551A9 (en) * 1998-08-18 2010-01-14 Ilya Schiller Using handwritten information
US6731270B2 (en) * 1998-10-21 2004-05-04 Luidia Inc. Piezoelectric transducer for data entry device
JP2002535704A (ja) * 1999-01-13 2002-10-22 ティーディーエス キャド グラフィックス リミテッド 対話型表示システム
US6639585B1 (en) * 1999-07-29 2003-10-28 Brother Kogyo Kabushiki Kaisha Coordinate reading device
US6784876B1 (en) 1999-07-29 2004-08-31 Brother Kogyo Kabushiki Kaisha Coordinate reading device
JP4052498B2 (ja) 1999-10-29 2008-02-27 株式会社リコー 座標入力装置および方法
US7157649B2 (en) * 1999-12-23 2007-01-02 New Transducers Limited Contact sensitive device
JP2001184161A (ja) 1999-12-27 2001-07-06 Ricoh Co Ltd 情報入力方法、情報入力装置、筆記入力装置、筆記データ管理方法、表示制御方法、携帯型電子筆記装置および記録媒体
JP4618840B2 (ja) * 2000-02-21 2011-01-26 株式会社沖データ 座標入力装置
JP4187377B2 (ja) * 2000-02-23 2008-11-26 富士通株式会社 無線送受信機及び電波放射方向制御方法
US6703570B1 (en) * 2000-05-10 2004-03-09 International Business Machines Corporation Digital pen using ultrasonic tracking
US6803906B1 (en) * 2000-07-05 2004-10-12 Smart Technologies, Inc. Passive touch system and method of detecting user input
JP2002163070A (ja) * 2000-11-27 2002-06-07 Matsushita Electric Ind Co Ltd 電子黒板
US6717073B2 (en) * 2000-12-29 2004-04-06 Intel Corporation Wireless display systems, styli, and associated methods
DE10110260A1 (de) * 2001-03-02 2002-09-05 Weis Steffen System zur Ermittlung und Darstellung der Position eines Positionsgebers
US7279646B2 (en) 2001-05-25 2007-10-09 Intel Corporation Digital signature collection and authentication
GB0116310D0 (en) * 2001-07-04 2001-08-29 New Transducers Ltd Contact sensitive device
SE523636C2 (sv) * 2001-07-22 2004-05-04 Tomer Shalit Ab Portabelt datoriserat handhållet organ och förfarande för hantering av ett på en skärm visat objekt
JP2003036225A (ja) * 2001-07-24 2003-02-07 Matsushita Electric Ind Co Ltd 電子掲示板システム
US7257255B2 (en) * 2001-11-21 2007-08-14 Candledragon, Inc. Capturing hand motion
WO2003090493A1 (en) * 2002-04-19 2003-10-30 Koninklijke Philips Electronics N.V. Method and device to identify a periodic light source
US7427983B1 (en) * 2002-06-02 2008-09-23 Steelcase Development Corporation Visual communication system
US20040070616A1 (en) * 2002-06-02 2004-04-15 Hildebrandt Peter W. Electronic whiteboard
US6952046B2 (en) * 2002-06-19 2005-10-04 Foster-Miller, Inc. Electronic and optoelectronic component packaging technique
EP1529315A4 (en) * 2002-07-22 2006-10-18 Measurement Spec Inc HAND DEVICE WITH ULTRASONIC HANGER FOR AXIAL TRANSMISSION OF ACOUSTIC SIGNALS
CA2397431A1 (en) * 2002-08-09 2004-02-09 Andrew Lohbihler Method and apparatus for a wireless position sensing interface device employing spread spectrum technology of one or more radio transmitting devices
US6954197B2 (en) 2002-11-15 2005-10-11 Smart Technologies Inc. Size/scale and orientation determination of a pointer in a camera-based touch system
GB0228512D0 (en) * 2002-12-06 2003-01-15 New Transducers Ltd Contact sensitive device
US6871149B2 (en) * 2002-12-06 2005-03-22 New Transducers Limited Contact sensitive device
US8508508B2 (en) 2003-02-14 2013-08-13 Next Holdings Limited Touch screen signal processing with single-point calibration
US7629967B2 (en) 2003-02-14 2009-12-08 Next Holdings Limited Touch screen signal processing
US8456447B2 (en) 2003-02-14 2013-06-04 Next Holdings Limited Touch screen signal processing
US7203384B2 (en) * 2003-02-24 2007-04-10 Electronic Scripting Products, Inc. Implement for optically inferring information from a planar jotting surface
US7532206B2 (en) 2003-03-11 2009-05-12 Smart Technologies Ulc System and method for differentiating between pointers used to contact touch surface
US7156826B2 (en) * 2003-05-23 2007-01-02 Icu Medical, Inc. Medical connector and method for nasally administering or removing a substance
JP2004355098A (ja) * 2003-05-27 2004-12-16 Fujitsu Component Ltd 超音波座標入力装置及び超音波座標入力方法
US7411575B2 (en) 2003-09-16 2008-08-12 Smart Technologies Ulc Gesture recognition method and touch system incorporating the same
US7317450B2 (en) * 2003-09-26 2008-01-08 Khomo Malome T Spatial chirographic sign reader
US7274356B2 (en) 2003-10-09 2007-09-25 Smart Technologies Inc. Apparatus for determining the location of a pointer within a region of interest
US7735024B2 (en) * 2003-10-29 2010-06-08 Intel Corporation Methods and apparatus to provide a handheld pointer-based user interface
GB2408337B (en) * 2003-11-21 2005-11-23 Marc Zuta Graphic input device and method
JP4511466B2 (ja) * 2003-12-19 2010-07-28 インテル・コーポレーション 電子ペン−コンピュータのマルチメディアインタラクティブシステム
US7088440B2 (en) * 2003-12-22 2006-08-08 Electronic Scripting Products, Inc. Method and apparatus for determining absolute position of a tip of an elongate object on a plane surface with invariant features
US7355593B2 (en) 2004-01-02 2008-04-08 Smart Technologies, Inc. Pointer tracking across multiple overlapping coordinate input sub-regions defining a generally contiguous input region
US20050170586A1 (en) * 2004-01-29 2005-08-04 O2Ic, Inc., (A California Corporation) Method of manufacturing non-volatile DRAM
US8542219B2 (en) * 2004-01-30 2013-09-24 Electronic Scripting Products, Inc. Processing pose data derived from the pose of an elongate object
US9229540B2 (en) 2004-01-30 2016-01-05 Electronic Scripting Products, Inc. Deriving input from six degrees of freedom interfaces
US7961909B2 (en) 2006-03-08 2011-06-14 Electronic Scripting Products, Inc. Computer interface employing a manipulated object with absolute pose detection component and a display
US7826641B2 (en) 2004-01-30 2010-11-02 Electronic Scripting Products, Inc. Apparatus and method for determining an absolute pose of a manipulated object in a real three-dimensional environment with invariant features
DE102004010710B4 (de) * 2004-03-04 2006-06-08 Siemens Ag Verfahren zum Betreiben einer mobilen Einrichtung zur Projektion von Bilddaten sowie mobile Projektoreinrichtung
US20050219204A1 (en) * 2004-04-05 2005-10-06 Wyatt Huddleston Interactive display system
US7525050B1 (en) 2004-04-23 2009-04-28 Luidia, Inc. Interference removal in pointing device locating systems
US7460110B2 (en) 2004-04-29 2008-12-02 Smart Technologies Ulc Dual mode touch system
US7538759B2 (en) 2004-05-07 2009-05-26 Next Holdings Limited Touch panel display system with illumination and detection provided from a single edge
US8120596B2 (en) 2004-05-21 2012-02-21 Smart Technologies Ulc Tiled touch system
US20050264545A1 (en) * 2004-05-27 2005-12-01 Walker Ray A Method and system for determining the location of a movable icon on a display surface
SG119244A1 (en) * 2004-07-07 2006-02-28 Sony Corp System and method for wireless location of an object
US20060028457A1 (en) * 2004-08-08 2006-02-09 Burns David W Stylus-Based Computer Input System
KR100534590B1 (ko) * 2005-05-26 2005-12-08 서종범 초음파를 이용한 입력장치 및 위치인식방법
US7456596B2 (en) 2005-08-19 2008-11-25 Cisco Technology, Inc. Automatic radio site survey using a robot
KR100800679B1 (ko) * 2005-11-02 2008-02-01 삼성전자주식회사 이동통신 단말기의 외부 조작 신호 인식 시스템
US7567627B1 (en) * 2005-11-07 2009-07-28 Raytheon Company Estimating the location of a transmitter according to phase differences
US7755026B2 (en) * 2006-05-04 2010-07-13 CandleDragon Inc. Generating signals representative of sensed light that is associated with writing being done by a user
US7940253B2 (en) * 2006-08-17 2011-05-10 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Method and system for screen navigation
JP4969191B2 (ja) * 2006-09-20 2012-07-04 株式会社日立製作所 拡管確認検査装置
KR20090116687A (ko) * 2006-10-05 2009-11-11 페가수스 테크놀로지 엘티디 디지털 펜 시스템, 송신기 장치, 수신 장치, 그 제조 및 사용 방법
US9442607B2 (en) 2006-12-04 2016-09-13 Smart Technologies Inc. Interactive input system and method
US20080169132A1 (en) * 2007-01-03 2008-07-17 Yao Ding Multiple styli annotation system
US20080166175A1 (en) * 2007-01-05 2008-07-10 Candledragon, Inc. Holding and Using an Electronic Pen and Paper
US7839394B2 (en) * 2007-01-08 2010-11-23 Pegasus Technologies Ltd. Electronic pen device
AU2008231407B2 (en) * 2007-03-27 2012-05-17 Qualcomm Incorporated System and method for positioning
WO2008128096A2 (en) 2007-04-11 2008-10-23 Next Holdings, Inc. Touch screen system with hover and click input methods
JP5489981B2 (ja) * 2007-04-18 2014-05-14 ルイディア インコーポレイテッド 転記装置に転換できる関連表面を伴う先組み部品
US8094137B2 (en) 2007-07-23 2012-01-10 Smart Technologies Ulc System and method of detecting contact on a display
KR20100075460A (ko) 2007-08-30 2010-07-02 넥스트 홀딩스 인코포레이티드 저 프로파일 터치 패널 시스템
KR20100055516A (ko) 2007-08-30 2010-05-26 넥스트 홀딩스 인코포레이티드 개선된 조광을 가진 광학 터치 스크린
US8405636B2 (en) 2008-01-07 2013-03-26 Next Holdings Limited Optical position sensing system and optical position sensor assembly
US8902193B2 (en) 2008-05-09 2014-12-02 Smart Technologies Ulc Interactive input system and bezel therefor
US20090306929A1 (en) * 2008-06-04 2009-12-10 Mettler-Toledo, Inc. Ultrasonic dimensioning system and method
US8339378B2 (en) 2008-11-05 2012-12-25 Smart Technologies Ulc Interactive input system with multi-angle reflector
US9285899B2 (en) * 2009-02-17 2016-03-15 Pnf Co., Ltd. Data entry device utilizing writing implement rotation
JP5526557B2 (ja) * 2009-02-19 2014-06-18 日本電気株式会社 電子ペン及び電子ペンシステム
JP5216969B2 (ja) * 2009-02-26 2013-06-19 独立行政法人情報通信研究機構 位置推定装置
FR2944109A1 (fr) * 2009-04-06 2010-10-08 Inside Contactless Localisation d'un objet portatif emettant un champ e ou h a l'interieur d'une aire de travail et de detection d'impact
US8064290B2 (en) * 2009-04-28 2011-11-22 Luidia, Inc. Digital transcription system utilizing small aperture acoustical sensors
US8120994B2 (en) * 2009-04-28 2012-02-21 Luidia, Inc. Digital transcription system utilizing acoustical detectors having apertures with a vertical orientation relative to the work surface
US8692768B2 (en) 2009-07-10 2014-04-08 Smart Technologies Ulc Interactive input system
KR101039399B1 (ko) * 2009-07-21 2011-06-08 (주)펜앤프리 신호 발생 장치
DE202009012659U1 (de) 2009-09-21 2009-12-03 Steins, Winfried Medieneinheit zur Darstellung und Eingabe von Informationen
TWI428807B (zh) * 2011-04-01 2014-03-01 Wistron Corp 光學式座標輸入裝置及其座標計算之方法
US9304629B2 (en) 2011-11-15 2016-04-05 Elo Touch Solutions, Inc. Radial transducer for acoustic wave touch sensor
US9348467B2 (en) * 2011-11-15 2016-05-24 Elo Touch Solutions, Inc. Radial layout for acoustic wave touch sensor
TWI464650B (zh) * 2011-12-02 2014-12-11 Wistron Corp 光學觸控模組及其旋轉角度校正方法
US8641197B2 (en) * 2011-12-23 2014-02-04 Luidia Inc. Acoustical receiver and pen transcription system adapted for rejecting virtual pen images
US10678322B2 (en) 2013-11-18 2020-06-09 At&T Intellectual Property I, L.P. Pressure sensing via bone conduction
JP6281745B2 (ja) * 2014-03-06 2018-02-21 カシオ計算機株式会社 摺動操作検出装置、電子機器及びプログラム
US20160109557A1 (en) * 2014-10-15 2016-04-21 The Boeing Company Sensor array measurements using select sensor pairs
US20170371438A1 (en) * 2014-12-21 2017-12-28 Luidia Global Co., Ltd Method and system for transcribing marker locations, including erasures
JP6376279B2 (ja) * 2015-03-17 2018-08-22 株式会社村田製作所 センサ位置決め装置
US11577159B2 (en) 2016-05-26 2023-02-14 Electronic Scripting Products Inc. Realistic virtual/augmented/mixed reality viewing and interactions
US10831316B2 (en) 2018-07-26 2020-11-10 At&T Intellectual Property I, L.P. Surface interface
CN109946650B (zh) * 2019-04-12 2023-09-15 扬州市职业大学(扬州市广播电视大学) 一种无线同步收发分离的定位***及方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58141Y2 (ja) * 1981-09-09 1983-01-05 古野電気株式会社 疑似位置信号送信装置
JPS59168512A (ja) * 1983-03-15 1984-09-22 Shinko Electric Co Ltd 移動物体の位置制御方法
JPS60176130A (ja) * 1984-02-22 1985-09-10 Matsushita Seiko Co Ltd 超音波投射形入力装置
JPH07113667B2 (ja) * 1985-09-19 1995-12-06 日本無線株式会社 ロランｃ受信機のサイクル選定装置
US4814552A (en) * 1987-12-02 1989-03-21 Xerox Corporation Ultrasound position input device
JPH0245782A (ja) * 1988-08-08 1990-02-15 Mitsubishi Electric Corp 電波到来方向探知方法
JPH0776788B2 (ja) * 1989-03-13 1995-08-16 リオン株式会社 航空機飛行位置検出装置
JPH0833441B2 (ja) * 1989-12-01 1996-03-29 沖電気工業株式会社 音響測位装置
US5142506A (en) 1990-10-22 1992-08-25 Logitech, Inc. Ultrasonic position locating method and apparatus therefor
US5144594A (en) 1991-05-29 1992-09-01 Cyber Scientific Acoustic mouse system
CA2149213A1 (en) * 1992-11-17 1994-05-26 Thomas Debuisser Method and device for capturing and processing graphical information
JP3007933B2 (ja) * 1994-12-15 2000-02-14 富士通株式会社 超音波座標入力装置
JP3307146B2 (ja) * 1995-03-27 2002-07-24 三菱電機株式会社 測位装置
SE506517C3 (sv) * 1995-06-19 1998-02-05 Jan G Faeger Foerfarande foer inmaetning av objekt och anordning foer aastadkommande av en uppsaettning objekt med kaenda laegen
GB2304190B (en) 1995-08-05 1999-09-29 Power Magnetics And Electronic Tracking system
DE19611233A1 (de) 1996-03-21 1997-09-25 Siemens Ag Verfahren zur Laufzeitmessung eines elektrischen, elektromagnetischen oder akustischen Signals
US5866856A (en) 1997-02-28 1999-02-02 Electronics For Imaging, Inc. Marking device for electronic presentation board
US6292177B1 (en) 1997-03-05 2001-09-18 Tidenet, Inc. Marking device for electronic presentation board
US6335723B1 (en) * 1998-10-02 2002-01-01 Tidenet, Inc. Transmitter pen location system

Also Published As

Publication number Publication date
ATE328289T1 (de) 2006-06-15
EP1635186A2 (en) 2006-03-15
IL137161A (en) 2006-08-20
AU741604B2 (en) 2001-12-06
JP4808845B2 (ja) 2011-11-02
BR9906838A (pt) 2000-10-17
DE69931602D1 (de) 2006-07-06
EP1635186A3 (en) 2007-12-05
CA2316799A1 (en) 2000-05-18
DE69931602T2 (de) 2006-11-02
AU6297199A (en) 2000-05-29
US6414673B1 (en) 2002-07-02
EP1046055A1 (en) 2000-10-25
JP2010019857A (ja) 2010-01-28
EP1046055B1 (en) 2006-05-31
WO2000028348A1 (en) 2000-05-18
JP2002529746A (ja) 2002-09-10
JP4809469B2 (ja) 2011-11-09

Similar Documents

Publication Publication Date Title
IL137161A0 (en) Transmitter pen location system
EP1450296A3 (en) Determining the location of the tip of an electronic stylus
EP1535818A3 (en) A transmitter/receiver for train detection
TW344915B (en) Identification or sensor arrangement - SAW arrangement - operating with surface acoustic waves
NZ337670A (en) Ultrasound receiver assembly for presentation board digitiser, two receivers one above the other
EP1324068A3 (en) Multibeam radar system
CA2321754A1 (en) Single well system for mapping sources of acoustic energy
CA2156772A1 (en) Single well system for mapping sources of acoustic energy
AU7118698A (en) Ultrasound-based 3-d tracking system using a digital signal processor
CA2257301A1 (en) Acoustic condition sensor employing a plurality of mutually non-orthogonal waves
GB9929900D0 (en) A method of increasing the capacity and addressing rate of an ultrasonic system
FI952211A (fi) Menetelmä ja laitteisto muuttuvan siirtonopeuden koodausta ja ilmaisua varten monikäytt¦matkaviestinjärjestelmässä
DE69902012T2 (de) Datenübertragungssystem
AU2967297A (en) Method and apparatus for distance measurement
MXPA02004592A (es) Aparato para digitalizar escritura y dibujo con capacidad de borrado y/o senalizacion.
TW377534B (en) Channel training of multi-channel receiver system
FI981377A0 (fi) Lähetysantennidiversiteetti
TW235392B (ja)
CA2384850A1 (en) Reduced computation in joint detection
ATE247575T1 (de) Zugortungssystem
WO1998034530A3 (en) Body sounds observation system
AU1142499A (en) Traffic guidance system
JPS56164654A (en) Data transmitting and receiving device
EP0918440A3 (en) System and method for locating a switch component
MY124866A (en) Master and slave toy vehicle pair

Legal Events

Date Code Title Description
FF Patent granted
KB20 Patent renewed for 20 years