FR2345705A1 - ANTI-REFLECTIVE DEVICE FOR DIGITAL OR ALPHA-DIGITAL LIGHT INDICATORS - Google Patents
ANTI-REFLECTIVE DEVICE FOR DIGITAL OR ALPHA-DIGITAL LIGHT INDICATORSInfo
- 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- Withdrawn
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)
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)
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4913634U (en) * | 1972-05-05 | 1974-02-05 | ||
JPS5014422U (en) * | 1973-06-05 | 1975-02-15 |
-
1976
- 1976-10-06 NL NL7611054A patent/NL7611054A/en not_active Application Discontinuation
- 1976-11-29 FR FR7635939A patent/FR2345705A1/en not_active Withdrawn
-
1977
- 1977-03-11 IT IT4844277A patent/IT1073211B/en active
- 1977-03-17 DE DE19772711763 patent/DE2711763A1/en not_active Withdrawn
- 1977-03-21 IE IE59477A patent/IE44793B1/en unknown
- 1977-03-21 GB GB1176477A patent/GB1545431A/en not_active Expired
- 1977-03-24 AU AU23607/77A patent/AU510635B2/en not_active Expired
- 1977-03-24 CA CA274,666A patent/CA1081509A/en not_active Expired
- 1977-03-25 BE BE176146A patent/BE852909A/en unknown
- 1977-03-25 JP JP3321677A patent/JPS52119098A/en active Pending
- 1977-03-25 DK DK132877A patent/DK132877A/en unknown
- 1977-03-25 SE SE7703438A patent/SE7703438L/en not_active Application Discontinuation
- 1977-03-25 LU LU77025A patent/LU77025A1/xx unknown
Patent Citations (6)
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 |
---|---|
GB1545431A (en) | 1979-05-10 |
AU2360777A (en) | 1978-09-28 |
IE44793B1 (en) | 1982-04-07 |
CA1081509A (en) | 1980-07-15 |
IT1073211B (en) | 1985-04-13 |
NL7611054A (en) | 1977-09-28 |
DE2711763A1 (en) | 1977-09-29 |
IE44793L (en) | 1977-09-26 |
JPS52119098A (en) | 1977-10-06 |
BE852909A (en) | 1977-07-18 |
SE7703438L (en) | 1977-09-27 |
DK132877A (en) | 1977-09-27 |
LU77025A1 (en) | 1977-07-22 |
AU510635B2 (en) | 1980-07-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |