CA1081509A - Controlled reflection readout for digital displays - Google Patents

Controlled reflection readout for digital displays

Info

Publication number
CA1081509A
CA1081509A CA274,666A CA274666A CA1081509A CA 1081509 A CA1081509 A CA 1081509A CA 274666 A CA274666 A CA 274666A CA 1081509 A CA1081509 A CA 1081509A
Authority
CA
Canada
Prior art keywords
casement
readout
glare
ambient light
self
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
Application number
CA274,666A
Other languages
English (en)
French (fr)
Inventor
James M. Lapeyre
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.)
Digicourse Inc
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
Application granted granted Critical
Publication of CA1081509A publication Critical patent/CA1081509A/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
    • G09G3/04—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
    • 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
    • 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 OR CALCULATING; 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Instrument Panels (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Gas-Filled Discharge Tubes (AREA)
CA274,666A 1976-03-26 1977-03-24 Controlled reflection readout for digital displays Expired CA1081509A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/670,965 US4032222A (en) 1974-11-25 1976-03-26 Controlled reflection readout for digital displays
US670,965 1976-03-26

Publications (1)

Publication Number Publication Date
CA1081509A true CA1081509A (en) 1980-07-15

Family

ID=24692615

Family Applications (1)

Application Number Title Priority Date Filing Date
CA274,666A Expired CA1081509A (en) 1976-03-26 1977-03-24 Controlled reflection readout for digital displays

Country Status (13)

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

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 (Direct) * 1972-05-05 1974-02-05
JPS5014422U (Direct) * 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
BE852909A (fr) 1977-07-18
IE44793L (en) 1977-09-26
AU2360777A (en) 1978-09-28
GB1545431A (en) 1979-05-10
SE7703438L (sv) 1977-09-27
IE44793B1 (en) 1982-04-07
NL7611054A (nl) 1977-09-28
JPS52119098A (en) 1977-10-06
IT1073211B (it) 1985-04-13
LU77025A1 (Direct) 1977-07-22
DE2711763A1 (de) 1977-09-29
FR2345705A1 (fr) 1977-10-21
DK132877A (da) 1977-09-27
AU510635B2 (en) 1980-07-03

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Legal Events

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