DE69321445D1 - Elektromagnetisches graphisches Datenerfassungssystem auf einem Kode basierend - Google Patents

Elektromagnetisches graphisches Datenerfassungssystem auf einem Kode basierend

Info

Publication number
DE69321445D1
DE69321445D1 DE69321445T DE69321445T DE69321445D1 DE 69321445 D1 DE69321445 D1 DE 69321445D1 DE 69321445 T DE69321445 T DE 69321445T DE 69321445 T DE69321445 T DE 69321445T DE 69321445 D1 DE69321445 D1 DE 69321445D1
Authority
DE
Germany
Prior art keywords
electromagnetic
code
data acquisition
system based
acquisition system
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 - Lifetime
Application number
DE69321445T
Other languages
English (en)
Other versions
DE69321445T2 (de
Inventor
Samuel W Mallicoat
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.)
Polyvision Corp
Original Assignee
Microfield Graphics 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
Application filed by Microfield Graphics Inc filed Critical Microfield Graphics Inc
Publication of DE69321445D1 publication Critical patent/DE69321445D1/de
Application granted granted Critical
Publication of DE69321445T2 publication Critical patent/DE69321445T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G06F3/042—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
    • G06F3/0423—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 using sweeping light beams, e.g. using rotating or vibrating mirror
DE69321445T 1992-10-07 1993-07-15 Elektromagnetisches graphisches Datenerfassungssystem auf einem Kode basierend Expired - Lifetime DE69321445T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/958,076 US5248856A (en) 1992-10-07 1992-10-07 Code-based, electromagnetic-field-responsive graphic data-acquisition system

Publications (2)

Publication Number Publication Date
DE69321445D1 true DE69321445D1 (de) 1998-11-12
DE69321445T2 DE69321445T2 (de) 1999-05-27

Family

ID=25500570

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69321445T Expired - Lifetime DE69321445T2 (de) 1992-10-07 1993-07-15 Elektromagnetisches graphisches Datenerfassungssystem auf einem Kode basierend

Country Status (5)

Country Link
US (1) US5248856A (de)
EP (1) EP0600576B1 (de)
CA (1) CA2100624C (de)
DE (1) DE69321445T2 (de)
ES (1) ES2121950T3 (de)

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Also Published As

Publication number Publication date
CA2100624A1 (en) 1994-04-08
DE69321445T2 (de) 1999-05-27
EP0600576A1 (de) 1994-06-08
EP0600576B1 (de) 1998-10-07
US5248856A (en) 1993-09-28
ES2121950T3 (es) 1998-12-16
CA2100624C (en) 1997-07-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: GREENSTEEL, INC., NORCROSS, GA., US

8328 Change in the person/name/address of the agent

Representative=s name: MEISSNER, BOLTE & PARTNER, 80538 MUENCHEN