FR2345705A1 - ANTI-REFLECTIVE DEVICE FOR DIGITAL OR ALPHA-DIGITAL LIGHT INDICATORS - Google Patents

ANTI-REFLECTIVE DEVICE FOR DIGITAL OR ALPHA-DIGITAL LIGHT INDICATORS

Info

Publication number
FR2345705A1
FR2345705A1 FR7635939A FR7635939A FR2345705A1 FR 2345705 A1 FR2345705 A1 FR 2345705A1 FR 7635939 A FR7635939 A FR 7635939A FR 7635939 A FR7635939 A FR 7635939A FR 2345705 A1 FR2345705 A1 FR 2345705A1
Authority
FR
France
Prior art keywords
digital
alpha
reflective device
light indicators
digital light
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.)
Withdrawn
Application number
FR7635939A
Other languages
French (fr)
Inventor
James Martial 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
Publication of FR2345705A1 publication Critical patent/FR2345705A1/en
Withdrawn legal-status Critical Current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
    • 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)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Gas-Filled Discharge Tubes (AREA)
FR7635939A 1976-03-26 1976-11-29 ANTI-REFLECTIVE DEVICE FOR DIGITAL OR ALPHA-DIGITAL LIGHT INDICATORS Withdrawn FR2345705A1 (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 (1)

Publication Number Publication Date
FR2345705A1 true FR2345705A1 (en) 1977-10-21

Family

ID=24692615

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7635939A Withdrawn FR2345705A1 (en) 1976-03-26 1976-11-29 ANTI-REFLECTIVE DEVICE FOR DIGITAL OR ALPHA-DIGITAL LIGHT INDICATORS

Country Status (13)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE413116B (en) * 1978-12-01 1980-04-14 Haeggbom Rolf DEVICE FOR THE ELIMINATION OF GREAT REFLECTION IN A CAR SURFACE

Citations (6)

* 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
FR1568308A (en) * 1967-03-31 1969-05-23
FR2104406A5 (en) * 1970-08-17 1972-04-14 Suwa Seikosha Kk
FR2314551A1 (en) * 1975-06-13 1977-01-07 Satam Screening hood for petrol pump illuminated price sign - has an oblique glass plate inside to deflect stray light

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4913634U (en) * 1972-05-05 1974-02-05
JPS5014422U (en) * 1973-06-05 1975-02-15

Patent Citations (6)

* 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
FR1568308A (en) * 1967-03-31 1969-05-23
FR2104406A5 (en) * 1970-08-17 1972-04-14 Suwa Seikosha Kk
FR2314551A1 (en) * 1975-06-13 1977-01-07 Satam Screening hood for petrol pump illuminated price sign - has an oblique glass plate inside to deflect stray light

Also Published As

Publication number Publication date
CA1081509A (en) 1980-07-15
AU2360777A (en) 1978-09-28
LU77025A1 (en) 1977-07-22
DK132877A (en) 1977-09-27
GB1545431A (en) 1979-05-10
IE44793B1 (en) 1982-04-07
SE7703438L (en) 1977-09-27
BE852909A (en) 1977-07-18
JPS52119098A (en) 1977-10-06
NL7611054A (en) 1977-09-28
IT1073211B (en) 1985-04-13
IE44793L (en) 1977-09-26
AU510635B2 (en) 1980-07-03
DE2711763A1 (en) 1977-09-29

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Legal Events

Date Code Title Description
ST Notification of lapse