GB1343699A - Coordinate determining system - Google Patents

Coordinate determining system

Info

Publication number
GB1343699A
GB1343699A GB1782171A GB1782171A GB1343699A GB 1343699 A GB1343699 A GB 1343699A GB 1782171 A GB1782171 A GB 1782171A GB 1782171 A GB1782171 A GB 1782171A GB 1343699 A GB1343699 A GB 1343699A
Authority
GB
United Kingdom
Prior art keywords
probe
sheet
generators
counter
sine
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.)
Expired
Application number
GB1782171A
Other languages
English (en)
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1343699A publication Critical patent/GB1343699A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/0433—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using propagating acoustic waves in which the acoustic waves are either generated by a movable member and propagated within a surface layer or propagated within a surface layer and captured by a movable member

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
GB1782171A 1970-06-18 1971-05-28 Coordinate determining system Expired GB1343699A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4739770A 1970-06-18 1970-06-18

Publications (1)

Publication Number Publication Date
GB1343699A true GB1343699A (en) 1974-01-16

Family

ID=21948725

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1782171A Expired GB1343699A (en) 1970-06-18 1971-05-28 Coordinate determining system

Country Status (5)

Country Link
US (1) US3692936A (enExample)
JP (1) JPS5232211B1 (enExample)
DE (1) DE2128311A1 (enExample)
FR (1) FR2095548A5 (enExample)
GB (1) GB1343699A (enExample)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3857022A (en) * 1973-11-15 1974-12-24 Integrated Sciences Corp Graphic input device
US4012588A (en) * 1975-08-29 1977-03-15 Science Accessories Corporation Position determining apparatus and transducer therefor
US4275395A (en) * 1977-10-31 1981-06-23 International Business Machines Corporation Interactive projection display system
FR2441219A1 (fr) * 1978-11-10 1980-06-06 Thomson Csf Coordinometre a sonde optique
FR2483072A2 (fr) * 1980-05-23 1981-11-27 Thomson Csf Systeme de reperage a ondes elastiques de surface
JPS5741371U (enExample) * 1980-08-20 1982-03-05
JPS58109387U (ja) * 1982-01-19 1983-07-26 松下電器産業株式会社 車載用音声認識装置
JPS58119442U (ja) * 1982-02-09 1983-08-15 三菱重工業株式会社 車両用音声認識装置
US4488000A (en) * 1982-09-30 1984-12-11 New York Institute Of Technology Apparatus for determining position and writing pressure
US4564928A (en) * 1982-09-30 1986-01-14 New York Institute Of Technology Graphical data apparatus
US4578768A (en) * 1984-04-06 1986-03-25 Racine Marsh V Computer aided coordinate digitizing system
US4716542A (en) * 1985-09-26 1987-12-29 Timberline Software Corporation Method and apparatus for single source entry of analog and digital data into a computer
JPH05250088A (ja) * 1992-03-09 1993-09-28 Sharp Corp 入力装置
GB2340449B (en) * 1998-05-14 2000-05-10 Virtual Ink Corp Transcription system
US6473075B1 (en) 1999-09-29 2002-10-29 Elo Touchsystems, Inc. Adaptive frequency touchscreen controller employing digital signal processing
US6630929B1 (en) 1999-09-29 2003-10-07 Elo Touchsystems, Inc. Adaptive frequency touchscreen controller
US6396484B1 (en) 1999-09-29 2002-05-28 Elo Touchsystems, Inc. Adaptive frequency touchscreen controller using intermediate-frequency signal processing
US20020054026A1 (en) * 2000-04-17 2002-05-09 Bradley Stevenson Synchronized transmission of recorded writing data with audio
CA2429370C (en) * 2000-11-21 2007-09-11 Elo Touchsystems, Inc. Adaptive frequency touchscreen controller
US6741237B1 (en) * 2001-08-23 2004-05-25 Rockwell Automation Technologies, Inc. Touch screen
KR100893114B1 (ko) * 2002-01-31 2009-04-14 후지쯔 가부시끼가이샤 좌표 입력을 위한 초음파 거리 측정 장치 및 방법
US20040070616A1 (en) * 2002-06-02 2004-04-15 Hildebrandt Peter W. Electronic whiteboard

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2903673A (en) * 1954-01-06 1959-09-08 Harris Transducer Corp Acoustical impedance-matching transducer
US3121955A (en) * 1960-07-08 1964-02-25 United Aircraft Corp Ultrasonic distance scaling apparatus
US3176263A (en) * 1960-08-19 1965-03-30 Ellwood S Donglas Measuring and recording method and apparatus
US3156766A (en) * 1962-06-18 1964-11-10 Telautograph Corp Sonar telescriber
US3134099A (en) * 1962-12-21 1964-05-19 Ibm Ultrasonic data converter
US3535447A (en) * 1967-11-06 1970-10-20 Hughes Aircraft Co Inductively coupled telautograph apparatus with stylus angle compensation
US3439317A (en) * 1967-12-20 1969-04-15 Rca Corp Coordinate converter system
US3504334A (en) * 1968-10-16 1970-03-31 Stromberg Datagraphix Inc Rectangular coordinate indicating system employing cordless stylus

Also Published As

Publication number Publication date
FR2095548A5 (enExample) 1972-02-11
JPS5232211B1 (enExample) 1977-08-19
DE2128311A1 (de) 1971-12-23
US3692936A (en) 1972-09-19

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee