FR2234596A1 - Control and scanner for liquid crystal display - has two non zero states on the columns and two on the rows - Google Patents
Control and scanner for liquid crystal display - has two non zero states on the columns and two on the rowsInfo
- Publication number
- FR2234596A1 FR2234596A1 FR7322307A FR7322307A FR2234596A1 FR 2234596 A1 FR2234596 A1 FR 2234596A1 FR 7322307 A FR7322307 A FR 7322307A FR 7322307 A FR7322307 A FR 7322307A FR 2234596 A1 FR2234596 A1 FR 2234596A1
- Authority
- FR
- France
- Prior art keywords
- liquid crystal
- scanner
- rows
- columns
- signals
- 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.)
- Granted
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
- G09G3/34—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 by control of light from an independent source
- G09G3/36—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 by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3674—Details of drivers for scan electrodes
- G09G3/3681—Details of drivers for scan electrodes suitable for passive matrices only
-
- 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
- G09G3/34—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 by control of light from an independent source
- G09G3/36—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 by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3685—Details of drivers for data electrodes
- G09G3/3692—Details of drivers for data electrodes suitable for passive matrices only
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7322307A FR2234596A1 (en) | 1973-06-19 | 1973-06-19 | Control and scanner for liquid crystal display - has two non zero states on the columns and two on the rows |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7322307A FR2234596A1 (en) | 1973-06-19 | 1973-06-19 | Control and scanner for liquid crystal display - has two non zero states on the columns and two on the rows |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2234596A1 true FR2234596A1 (en) | 1975-01-17 |
FR2234596B1 FR2234596B1 (fr) | 1977-05-13 |
Family
ID=9121180
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7322307A Granted FR2234596A1 (en) | 1973-06-19 | 1973-06-19 | Control and scanner for liquid crystal display - has two non zero states on the columns and two on the rows |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2234596A1 (fr) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3343128A (en) * | 1963-06-27 | 1967-09-19 | Gen Dynamics Corp | Electroluminescent panel driver circuits |
-
1973
- 1973-06-19 FR FR7322307A patent/FR2234596A1/fr active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3343128A (en) * | 1963-06-27 | 1967-09-19 | Gen Dynamics Corp | Electroluminescent panel driver circuits |
Also Published As
Publication number | Publication date |
---|---|
FR2234596B1 (fr) | 1977-05-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |