NL166345C - DEVICE FOR GENERATING ELECTRICAL SIGNALS FOR MEASURING THE POSITION OF A WRITER ON A WRITING PLATE. - Google Patents

DEVICE FOR GENERATING ELECTRICAL SIGNALS FOR MEASURING THE POSITION OF A WRITER ON A WRITING PLATE.

Info

Publication number
NL166345C
NL166345C NL7005794.A NL7005794A NL166345C NL 166345 C NL166345 C NL 166345C NL 7005794 A NL7005794 A NL 7005794A NL 166345 C NL166345 C NL 166345C
Authority
NL
Netherlands
Prior art keywords
writer
measuring
electrical signals
generating electrical
writing plate
Prior art date
Application number
NL7005794.A
Other languages
Dutch (nl)
Other versions
NL166345B (en
NL7005794A (en
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of NL7005794A publication Critical patent/NL7005794A/xx
Publication of NL166345B publication Critical patent/NL166345B/en
Application granted granted Critical
Publication of NL166345C publication Critical patent/NL166345C/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/32—Arrangements for performing computing operations, e.g. operational amplifiers for solving of equations or inequations; for matrices
    • G06G7/38—Arrangements for performing computing operations, e.g. operational amplifiers for solving of equations or inequations; for matrices of differential or integral equations
    • G06G7/40—Arrangements for performing computing operations, e.g. operational amplifiers for solving of equations or inequations; for matrices of differential or integral equations of partial differential equations of field or wave equations
    • G06G7/46—Arrangements for performing computing operations, e.g. operational amplifiers for solving of equations or inequations; for matrices of differential or integral equations of partial differential equations of field or wave equations using discontinuous medium, e.g. resistance network
    • 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
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0442—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using active external devices, e.g. active pens, for transmitting changes in electrical potential to be received by the digitiser
    • 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
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Pure & Applied Mathematics (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Algebra (AREA)
NL7005794.A 1969-06-30 1970-04-22 DEVICE FOR GENERATING ELECTRICAL SIGNALS FOR MEASURING THE POSITION OF A WRITER ON A WRITING PLATE. NL166345C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83782069A 1969-06-30 1969-06-30

Publications (3)

Publication Number Publication Date
NL7005794A NL7005794A (en) 1971-01-04
NL166345B NL166345B (en) 1981-02-16
NL166345C true NL166345C (en) 1981-07-15

Family

ID=25275527

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7005794.A NL166345C (en) 1969-06-30 1970-04-22 DEVICE FOR GENERATING ELECTRICAL SIGNALS FOR MEASURING THE POSITION OF A WRITER ON A WRITING PLATE.

Country Status (1)

Country Link
NL (1) NL166345C (en)

Also Published As

Publication number Publication date
NL166345B (en) 1981-02-16
NL7005794A (en) 1971-01-04

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee