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GB2221016B - Trackerball - Google Patents

Trackerball

Info

Publication number
GB2221016B
GB2221016B GB8817244A GB8817244A GB2221016B GB 2221016 B GB2221016 B GB 2221016B GB 8817244 A GB8817244 A GB 8817244A GB 8817244 A GB8817244 A GB 8817244A GB 2221016 B GB2221016 B GB 2221016B
Authority
GB
United Kingdom
Prior art keywords
trackerball
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 - Fee Related
Application number
GB8817244A
Other versions
GB8817244D0 (en
GB2221016A (en
Inventor
Christopher James Veel
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.)
Marconi Electronic Devices Ltd
Original Assignee
Marconi Electronic Devices Ltd
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 Marconi Electronic Devices Ltd filed Critical Marconi Electronic Devices Ltd
Priority to GB8817244A priority Critical patent/GB2221016B/en
Publication of GB8817244D0 publication Critical patent/GB8817244D0/en
Publication of GB2221016A publication Critical patent/GB2221016A/en
Application granted granted Critical
Publication of GB2221016B publication Critical patent/GB2221016B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G06F3/0304—Detection arrangements using opto-electronic means
    • G06F3/0312—Detection arrangements using opto-electronic means for tracking the rotation of a spherical or circular member, e.g. optical rotary encoders used in mice or trackballs using a tracking ball or in mouse scroll wheels
    • 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
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03549—Trackballs

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Adjustment Of Camera Lenses (AREA)
GB8817244A 1988-07-20 1988-07-20 Trackerball Expired - Fee Related GB2221016B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8817244A GB2221016B (en) 1988-07-20 1988-07-20 Trackerball

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8817244A GB2221016B (en) 1988-07-20 1988-07-20 Trackerball

Publications (3)

Publication Number Publication Date
GB8817244D0 GB8817244D0 (en) 1988-08-24
GB2221016A GB2221016A (en) 1990-01-24
GB2221016B true GB2221016B (en) 1992-08-12

Family

ID=10640767

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8817244A Expired - Fee Related GB2221016B (en) 1988-07-20 1988-07-20 Trackerball

Country Status (1)

Country Link
GB (1) GB2221016B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5621436A (en) * 1991-06-20 1997-04-15 Tandberg Data Storage As Keyboard with integrated mouse for data entry and control
US5237311A (en) * 1991-08-01 1993-08-17 Picker International, Inc. Hingedly supported integrated trackball and selection device
GB2279435B (en) * 1993-06-21 1996-11-27 Plessey Semiconductors Ltd Improvements relating to trackerballs

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB848506A (en) * 1958-03-28 1960-09-21 Decca Record Co Ltd Improvements in or relating to resolvers for producing electrical signals representative of the components in co-ordinate directions of a mechanical movement
US3013441A (en) * 1958-12-30 1961-12-19 Hughes Aircraft Co Tracking control apparatus
GB1061657A (en) * 1964-04-09 1967-03-15 Cossor Ltd A C Means for generating position-defining voltages or currents
GB1102366A (en) * 1966-01-19 1968-02-07 Cossor Ltd A C Means for generating position-defining voltages or currents
US3395589A (en) * 1966-06-06 1968-08-06 Orbit Instr Corp Motion converting apparatus
US4404865A (en) * 1982-02-10 1983-09-20 Wico Corporation Trackball device
GB2154306A (en) * 1984-02-16 1985-09-04 Depraz S A "X-Y" Input device
US4562347A (en) * 1983-09-23 1985-12-31 Trace Systems, Inc. Input device featuring both trackball and mouse capability

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB848506A (en) * 1958-03-28 1960-09-21 Decca Record Co Ltd Improvements in or relating to resolvers for producing electrical signals representative of the components in co-ordinate directions of a mechanical movement
US3013441A (en) * 1958-12-30 1961-12-19 Hughes Aircraft Co Tracking control apparatus
GB1061657A (en) * 1964-04-09 1967-03-15 Cossor Ltd A C Means for generating position-defining voltages or currents
GB1102366A (en) * 1966-01-19 1968-02-07 Cossor Ltd A C Means for generating position-defining voltages or currents
US3395589A (en) * 1966-06-06 1968-08-06 Orbit Instr Corp Motion converting apparatus
US4404865A (en) * 1982-02-10 1983-09-20 Wico Corporation Trackball device
US4562347A (en) * 1983-09-23 1985-12-31 Trace Systems, Inc. Input device featuring both trackball and mouse capability
GB2154306A (en) * 1984-02-16 1985-09-04 Depraz S A "X-Y" Input device

Also Published As

Publication number Publication date
GB8817244D0 (en) 1988-08-24
GB2221016A (en) 1990-01-24

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19980720