GB1484285A - Position determination device - Google Patents

Position determination device

Info

Publication number
GB1484285A
GB1484285A GB50551/74A GB5055174A GB1484285A GB 1484285 A GB1484285 A GB 1484285A GB 50551/74 A GB50551/74 A GB 50551/74A GB 5055174 A GB5055174 A GB 5055174A GB 1484285 A GB1484285 A GB 1484285A
Authority
GB
United Kingdom
Prior art keywords
wave
sheet
coil
ordinate
edge
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
GB50551/74A
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.)
Summagraphics Corp
Original Assignee
Summagraphics 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 Summagraphics Corp filed Critical Summagraphics Corp
Publication of GB1484285A publication Critical patent/GB1484285A/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

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)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
GB50551/74A 1973-12-05 1974-11-21 Position determination device Expired GB1484285A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US422049A US3904821A (en) 1973-12-05 1973-12-05 Position determination devices

Publications (1)

Publication Number Publication Date
GB1484285A true GB1484285A (en) 1977-09-01

Family

ID=23673189

Family Applications (1)

Application Number Title Priority Date Filing Date
GB50551/74A Expired GB1484285A (en) 1973-12-05 1974-11-21 Position determination device

Country Status (6)

Country Link
US (1) US3904821A (enExample)
JP (1) JPS5711077B2 (enExample)
DE (1) DE2457910A1 (enExample)
FR (1) FR2272449B2 (enExample)
GB (1) GB1484285A (enExample)
NL (1) NL7414972A (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4018989A (en) * 1975-12-24 1977-04-19 Summagraphics Corporation Position coordinate determination device
US4143240A (en) * 1976-03-10 1979-03-06 Kokusai Denshin Denwa Kabushiki Kaisha Co-ordinate plate for co-ordinate reader
JPS5359333U (enExample) * 1976-10-21 1978-05-20
US4081603A (en) * 1977-03-07 1978-03-28 Summagraphics Corporation Position coordinate determination device
JPS53115141A (en) * 1977-03-18 1978-10-07 Kokusai Denshin Denwa Co Ltd Coordinates reader
JPS53125726A (en) * 1977-04-11 1978-11-02 Kokusai Denshin Denwa Co Ltd Code generator
JPS5427321A (en) * 1977-08-02 1979-03-01 Kokusai Denshin Denwa Co Ltd Magnetostrictive coordinate reader
US4273954A (en) * 1977-11-25 1981-06-16 Mishima Kosan Co., Ltd. Coordinate reading device
US4216352A (en) * 1978-11-02 1980-08-05 The Charles Stark Draper Laboratory, Inc. Two coordinate position sensing systems
US4208142A (en) * 1978-11-30 1980-06-17 Burroughs Corporation Print head locating utilizing sonic techniques
US4334124A (en) * 1980-03-26 1982-06-08 Intergraph Corporation Floating coordinate system
US4413892A (en) * 1982-04-02 1983-11-08 Eastman Kodak Company Magnetostrictive position sensing device and photographic apparatus incorporating such device
JPS6143328A (ja) * 1984-08-07 1986-03-01 Nippon Denki Kaigai Shijiyou Kaihatsu Kk 光デイジタイザ
DE3511863A1 (de) * 1985-04-01 1986-10-09 Kontron Elektronik Messtisch fuer eine koordinatenmessvorrichtung
DE3511864A1 (de) * 1985-04-01 1986-10-09 Kontron Elektronik Koordinatenmessvorrichtung
US4954817A (en) * 1988-05-02 1990-09-04 Levine Neil A Finger worn graphic interface device
US5130500A (en) * 1989-07-18 1992-07-14 Kabushikikaisha Wacom Digitizer having flat tablet with magnetic shield plate
US5550330A (en) * 1991-10-16 1996-08-27 Fanuc Limited Digitizing control apparatus
US5638092A (en) * 1994-12-20 1997-06-10 Eng; Tommy K. Cursor control system
US20100304796A1 (en) * 2006-11-23 2010-12-02 Nokia Corporation Magnetic Shield

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2401094A (en) * 1944-06-23 1946-05-28 Colonial Radio Corp Time delay apparatus
DE2115367C3 (de) * 1971-03-30 1973-10-31 Siemens Ag, 1000 Berlin U. 8000 Muenchen Vorrichtung zur elektronischen Auf nähme des augenblicklichen Ortes einer Abtastsonde auf der Oberflache einer Platte

Also Published As

Publication number Publication date
US3904821A (en) 1975-09-09
FR2272449B2 (enExample) 1978-06-30
JPS5711077B2 (enExample) 1982-03-02
JPS50106526A (enExample) 1975-08-22
NL7414972A (nl) 1975-06-09
DE2457910A1 (de) 1975-06-12
FR2272449A2 (enExample) 1975-12-19

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed