IE44793B1 - A self illuminated readout having a glare and reflection control for ambient light - Google Patents

A self illuminated readout having a glare and reflection control for ambient light

Info

Publication number
IE44793B1
IE44793B1 IE59477A IE59477A IE44793B1 IE 44793 B1 IE44793 B1 IE 44793B1 IE 59477 A IE59477 A IE 59477A IE 59477 A IE59477 A IE 59477A IE 44793 B1 IE44793 B1 IE 44793B1
Authority
IE
Ireland
Prior art keywords
casement
glare
ambient light
readout
reflection control
Prior art date
Application number
IE59477A
Other languages
English (en)
Other versions
IE44793L (en
Inventor
J M Lapeyre
Original Assignee
Digicourse 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 US05/670,965 external-priority patent/US4032222A/en
Application filed by Digicourse Inc filed Critical Digicourse Inc
Publication of IE44793L publication Critical patent/IE44793L/xx
Publication of IE44793B1 publication Critical patent/IE44793B1/en

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
    • G09G3/04—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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/02—Viewing or reading apparatus
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/08—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques
    • G04G9/10—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques by controlling light sources, e.g. electroluminescent diodes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/02—Digital computers in general; Data processing equipment in general manually operated with input through keyboard and computation using a built-in program, e.g. pocket calculators
    • G06F15/0216—Constructional details or arrangements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Instrument Panels (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Gas-Filled Discharge Tubes (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
IE59477A 1976-03-26 1977-03-21 A self illuminated readout having a glare and reflection control for ambient light IE44793B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/670,965 US4032222A (en) 1974-11-25 1976-03-26 Controlled reflection readout for digital displays

Publications (2)

Publication Number Publication Date
IE44793L IE44793L (en) 1977-09-26
IE44793B1 true IE44793B1 (en) 1982-04-07

Family

ID=24692615

Family Applications (1)

Application Number Title Priority Date Filing Date
IE59477A IE44793B1 (en) 1976-03-26 1977-03-21 A self illuminated readout having a glare and reflection control for ambient light

Country Status (13)

Country Link
JP (1) JPS52119098A (xx)
AU (1) AU510635B2 (xx)
BE (1) BE852909A (xx)
CA (1) CA1081509A (xx)
DE (1) DE2711763A1 (xx)
DK (1) DK132877A (xx)
FR (1) FR2345705A1 (xx)
GB (1) GB1545431A (xx)
IE (1) IE44793B1 (xx)
IT (1) IT1073211B (xx)
LU (1) LU77025A1 (xx)
NL (1) NL7611054A (xx)
SE (1) SE7703438L (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE413116B (sv) * 1978-12-01 1980-04-14 Haeggbom Rolf Anordning for eliminering av storande reflektion i en bildyta

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB653663A (en) * 1948-05-13 1951-05-23 Westinghouse Brake & Signal Improvements relating to mimic diagram panels for railway and other indication systems
GB1084523A (en) * 1964-11-16 1967-09-27 Ferranti Ltd Improvements relating to means for viewing a display presented on or behind a partially reflecting surface
GB1108411A (en) * 1966-02-18 1968-04-03 Rover Co Ltd Indicating instrument
US3499112A (en) * 1967-03-31 1970-03-03 Rca Corp Electro-optical device
GB1322434A (en) * 1970-08-17 1973-07-04 Suwa Seikosha Kk Switchboards
JPS4913634U (xx) * 1972-05-05 1974-02-05
JPS5014422U (xx) * 1973-06-05 1975-02-15
FR2314551A1 (fr) * 1975-06-13 1977-01-07 Satam Boitier anti-reflet

Also Published As

Publication number Publication date
GB1545431A (en) 1979-05-10
AU2360777A (en) 1978-09-28
CA1081509A (en) 1980-07-15
IT1073211B (it) 1985-04-13
NL7611054A (nl) 1977-09-28
DE2711763A1 (de) 1977-09-29
IE44793L (en) 1977-09-26
JPS52119098A (en) 1977-10-06
BE852909A (fr) 1977-07-18
SE7703438L (sv) 1977-09-27
DK132877A (da) 1977-09-27
LU77025A1 (xx) 1977-07-22
AU510635B2 (en) 1980-07-03
FR2345705A1 (fr) 1977-10-21

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