KR900005225B1 - 광학식 좌표입력장치 - Google Patents

광학식 좌표입력장치 Download PDF

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Publication number
KR900005225B1
KR900005225B1 KR1019860002200A KR860002200A KR900005225B1 KR 900005225 B1 KR900005225 B1 KR 900005225B1 KR 1019860002200 A KR1019860002200 A KR 1019860002200A KR 860002200 A KR860002200 A KR 860002200A KR 900005225 B1 KR900005225 B1 KR 900005225B1
Authority
KR
South Korea
Prior art keywords
signal
transistor
voltage
base
circuit
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
KR1019860002200A
Other languages
English (en)
Korean (ko)
Other versions
KR870001508A (ko
Inventor
가즈오 하세가와
히로아끼 사사기
쥰이찌 오오우찌
다까노리 미우라
Original Assignee
알프스덴기 가부시기 가이샤
가다오까 가쓰다로오
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
Priority claimed from JP60151913A external-priority patent/JPS6210721A/ja
Priority claimed from JP60153648A external-priority patent/JPS6215625A/ja
Priority claimed from JP60153647A external-priority patent/JPS6215624A/ja
Application filed by 알프스덴기 가부시기 가이샤, 가다오까 가쓰다로오 filed Critical 알프스덴기 가부시기 가이샤
Publication of KR870001508A publication Critical patent/KR870001508A/ko
Application granted granted Critical
Publication of KR900005225B1 publication Critical patent/KR900005225B1/ko
Expired legal-status Critical Current

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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
    • 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
    • G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Electronic Switches (AREA)
KR1019860002200A 1985-07-09 1986-03-25 광학식 좌표입력장치 Expired KR900005225B1 (ko)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP151913 1985-07-09
JP85-151913 1985-07-09
JP60151913A JPS6210721A (ja) 1985-07-09 1985-07-09 光学式座標入力装置
JP60153648A JPS6215625A (ja) 1985-07-12 1985-07-12 光学式座標入力装置
JP85-153648 1985-07-12
JP60153647A JPS6215624A (ja) 1985-07-12 1985-07-12 光学式座標入力装置
JP153648 1985-07-12
JP153647 1985-07-12
JP85-153647 1985-07-12

Publications (2)

Publication Number Publication Date
KR870001508A KR870001508A (ko) 1987-03-14
KR900005225B1 true KR900005225B1 (ko) 1990-07-21

Family

ID=27320183

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860002200A Expired KR900005225B1 (ko) 1985-07-09 1986-03-25 광학식 좌표입력장치

Country Status (4)

Country Link
US (1) US4725726A (enExample)
KR (1) KR900005225B1 (enExample)
DE (1) DE3622888A1 (enExample)
GB (1) GB2178166B (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987002168A1 (en) * 1985-10-07 1987-04-09 Hagai Sigalov Light beam control signals for musical instruments
JPS63103142U (enExample) * 1986-12-22 1988-07-04
US4855590A (en) * 1987-06-25 1989-08-08 Amp Incorporated Infrared touch input device having ambient compensation
US5164714A (en) * 1988-06-20 1992-11-17 Amp Incorporated Modulated touch entry system and method with synchronous detection
US5404008A (en) * 1993-07-16 1995-04-04 Rockwell International Corporation Control system for detecting intrusion of a light curtain
JP4083941B2 (ja) * 1999-09-03 2008-04-30 株式会社リコー 座標入力装置
DE10101995A1 (de) * 2001-01-18 2002-07-25 Philips Corp Intellectual Pty Schaltungsanordnung und Verfahren zum Schützen mindestens einer Chipanordnung vor Manipulation und/oder vor Mißbrauch
US9092092B2 (en) 2008-08-07 2015-07-28 Rapt Ip Limited Detecting multitouch events in an optical touch-sensitive device using touch event templates
EP2338104B1 (en) 2008-08-07 2018-06-06 Rapt IP Limited Method and apparatus for detecting a multitouch event in an optical touch-sensitive device
US8660300B2 (en) * 2008-12-12 2014-02-25 Silicon Laboratories Inc. Apparatus and method for optical gesture recognition
CN104094203B (zh) 2011-07-22 2017-02-15 拉普特知识产权公司 用于在光学触敏装置中使用的光学耦合器
US9524060B2 (en) 2012-07-13 2016-12-20 Rapt Ip Limited Low power operation of an optical touch-sensitive device for detecting multitouch events

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2007840C3 (de) * 1970-02-20 1979-11-15 Endl, Alfons, 8000 Muenchen Lichtschrankengitter
US3704396A (en) * 1971-05-12 1972-11-28 Cincinnati Inc Safety device for machines
US3775560A (en) * 1972-02-28 1973-11-27 Univ Illinois Infrared light beam x-y position encoder for display devices
US3764813A (en) * 1972-04-12 1973-10-09 Bell Telephone Labor Inc Coordinate detection system
US3825745A (en) * 1973-05-21 1974-07-23 Electronics Corp America Object detecting system
US3970846A (en) * 1973-10-29 1976-07-20 Xenex Corporation Presence detecting system with self-checking
US4205304A (en) * 1977-09-22 1980-05-27 General Electric Company Two dimensional light beam selection system
CA1109539A (en) * 1978-04-05 1981-09-22 Her Majesty The Queen, In Right Of Canada, As Represented By The Ministe R Of Communications Touch sensitive computer input device
US4313109A (en) * 1979-12-11 1982-01-26 Sperry Corporation Initialization control for light beam position indicator
JPS6084631A (ja) * 1983-09-16 1985-05-14 Yokogawa Hewlett Packard Ltd 表示面上入力装置
US4652741A (en) * 1984-11-08 1987-03-24 Spacelabs Inc. Radiant beam coordinate detector

Also Published As

Publication number Publication date
GB2178166B (en) 1989-11-01
DE3622888C2 (enExample) 1990-11-22
GB2178166A (en) 1987-02-04
US4725726A (en) 1988-02-16
GB8616575D0 (en) 1986-08-13
DE3622888A1 (de) 1987-02-05
KR870001508A (ko) 1987-03-14

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