FR2152305A5 - - Google Patents

Info

Publication number
FR2152305A5
FR2152305A5 FR7233802A FR7233802A FR2152305A5 FR 2152305 A5 FR2152305 A5 FR 2152305A5 FR 7233802 A FR7233802 A FR 7233802A FR 7233802 A FR7233802 A FR 7233802A FR 2152305 A5 FR2152305 A5 FR 2152305A5
Authority
FR
France
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
FR7233802A
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.)
Litton Industries Inc
Original Assignee
Litton Industries 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 to US3740570D priority Critical patent/US3740570A/en
Priority to DE2246047A priority patent/DE2246047C3/de
Priority to GB4362872A priority patent/GB1400489A/en
Application filed by Litton Industries Inc filed Critical Litton Industries Inc
Priority to FR7233802A priority patent/FR2152305A5/fr
Application granted granted Critical
Publication of FR2152305A5 publication Critical patent/FR2152305A5/fr
Priority to US399232A priority patent/US3909788A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/30—Picture reproducers using solid-state colour display devices
    • 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
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2007—Display of intermediate tones
    • G09G3/2014—Display of intermediate tones by modulation of the duration of a single pulse during which the logic level remains constant

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Control Of El Displays (AREA)
FR7233802A 1971-09-27 1972-09-22 Expired FR2152305A5 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US3740570D US3740570A (en) 1971-09-27 1971-09-27 Driving circuits for light emitting diodes
DE2246047A DE2246047C3 (de) 1971-09-27 1972-09-20 Elektrische farbige Darstellungsanordnung zur visuellen Darstellung eines Musters
GB4362872A GB1400489A (en) 1971-09-27 1972-09-20 Display arrangements
FR7233802A FR2152305A5 (fr) 1971-09-27 1972-09-22
US399232A US3909788A (en) 1971-09-27 1973-09-20 Driving circuits for light emitting diodes

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US18407671A 1971-09-27 1971-09-27
US26723872A 1972-06-28 1972-06-28
DE2246047A DE2246047C3 (de) 1971-09-27 1972-09-20 Elektrische farbige Darstellungsanordnung zur visuellen Darstellung eines Musters
FR7233802A FR2152305A5 (fr) 1971-09-27 1972-09-22

Publications (1)

Publication Number Publication Date
FR2152305A5 true FR2152305A5 (fr) 1973-04-20

Family

ID=27431552

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7233802A Expired FR2152305A5 (fr) 1971-09-27 1972-09-22

Country Status (4)

Country Link
US (1) US3740570A (fr)
DE (1) DE2246047C3 (fr)
FR (1) FR2152305A5 (fr)
GB (1) GB1400489A (fr)

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Also Published As

Publication number Publication date
DE2246047B2 (de) 1974-07-25
GB1400489A (en) 1975-07-16
DE2246047C3 (de) 1981-10-15
DE2246047A1 (de) 1974-04-04
US3740570A (en) 1973-06-19

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Legal Events

Date Code Title Description
ST Notification of lapse