IT1058099B - Perfezionamento nei calcolatori elettronici in particolare nei sistemi di presentazione di caratteri a segmenti - Google Patents

Perfezionamento nei calcolatori elettronici in particolare nei sistemi di presentazione di caratteri a segmenti

Info

Publication number
IT1058099B
IT1058099B IT48894/76A IT4889476A IT1058099B IT 1058099 B IT1058099 B IT 1058099B IT 48894/76 A IT48894/76 A IT 48894/76A IT 4889476 A IT4889476 A IT 4889476A IT 1058099 B IT1058099 B IT 1058099B
Authority
IT
Italy
Prior art keywords
improvement
presentation systems
electronic calculators
character presentation
segment character
Prior art date
Application number
IT48894/76A
Other languages
English (en)
Italian (it)
Inventor
D Mcelroy
E Caudel
Original Assignee
Texas Instruments 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
Priority claimed from US05/566,021 external-priority patent/US4014013A/en
Priority claimed from US05/565,489 external-priority patent/US4014012A/en
Application filed by Texas Instruments Inc filed Critical Texas Instruments Inc
Application granted granted Critical
Publication of IT1058099B publication Critical patent/IT1058099B/it

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
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/147—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display panels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
    • G09G3/06—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources
    • G09G3/12—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources using electroluminescent elements
    • G09G3/14—Semiconductor devices, e.g. diodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M11/00—Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys
    • H03M11/20—Dynamic coding, i.e. by key scanning

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Calculators And Similar Devices (AREA)
  • Digital Computer Display Output (AREA)
IT48894/76A 1975-04-07 1976-04-06 Perfezionamento nei calcolatori elettronici in particolare nei sistemi di presentazione di caratteri a segmenti IT1058099B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/566,021 US4014013A (en) 1975-04-07 1975-04-07 Direct drive display system for mos integrated circuits using segment scanning
US05/565,489 US4014012A (en) 1975-04-07 1975-04-07 Segment scanning method for calculator display system

Publications (1)

Publication Number Publication Date
IT1058099B true IT1058099B (it) 1982-04-10

Family

ID=27073871

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48894/76A IT1058099B (it) 1975-04-07 1976-04-06 Perfezionamento nei calcolatori elettronici in particolare nei sistemi di presentazione di caratteri a segmenti

Country Status (9)

Country Link
JP (1) JPS51142233A (fr)
BR (1) BR7602088A (fr)
DE (1) DE2615080A1 (fr)
DK (1) DK138576A (fr)
ES (1) ES446656A1 (fr)
FR (1) FR2307314A1 (fr)
GB (1) GB1545850A (fr)
IT (1) IT1058099B (fr)
SE (1) SE7603995L (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3925690A (en) * 1974-09-30 1975-12-09 Rockwell International Corp Direct drive circuit for light emitting diodes
DE2809057C2 (de) * 1977-03-02 1997-03-20 Canon Kk Kopiergerät
JPS54144136A (en) * 1978-04-28 1979-11-10 Sharp Corp Lsi output control system
JPS5599685A (en) * 1979-01-26 1980-07-29 Nippon Telegr & Teleph Corp <Ntt> Graphic input/output unit
DE3226313A1 (de) * 1981-07-15 1983-02-03 Canon Kk Einrichtung zur informationsverarbeitung
JPS5822466A (ja) * 1981-07-31 1983-02-09 Canon Inc 電子式卓上計算機

Also Published As

Publication number Publication date
BR7602088A (pt) 1976-10-05
ES446656A1 (es) 1977-06-16
GB1545850A (en) 1979-05-16
DK138576A (da) 1976-10-08
FR2307314B1 (fr) 1980-05-30
SE7603995L (sv) 1976-10-08
DE2615080A1 (de) 1976-10-28
JPS51142233A (en) 1976-12-07
FR2307314A1 (fr) 1976-11-05

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940413