BE810189A - Dispositif d'affichage a cristaux liquides - Google Patents
Dispositif d'affichage a cristaux liquidesInfo
- Publication number
- BE810189A BE810189A BE140205A BE140205A BE810189A BE 810189 A BE810189 A BE 810189A BE 140205 A BE140205 A BE 140205A BE 140205 A BE140205 A BE 140205A BE 810189 A BE810189 A BE 810189A
- Authority
- BE
- Belgium
- Prior art keywords
- liquid crystal
- display device
- crystal display
- liquid
- display
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R13/00—Arrangements for displaying electric variables or waveforms
- G01R13/40—Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect
- G01R13/404—Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect for discontinuous display, i.e. display of discrete values
- G01R13/407—Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect for discontinuous display, i.e. display of discrete values using a plurality of passive display elements, e.g. liquid crystal or Kerr-effect display elements
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G9/00—Visual time or date indication means
- G04G9/02—Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques
- G04G9/06—Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques using light valves, e.g. liquid crystals
- G04G9/062—Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques using light valves, e.g. liquid crystals using multiplexing techniques
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal (AREA)
- Liquid Crystal Display Device Control (AREA)
- Electric Clocks (AREA)
- Indicating Measured Values (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP48143331A JPS5753558B2 (nl) | 1973-12-19 | 1973-12-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE810189A true BE810189A (fr) | 1974-05-16 |
Family
ID=15336285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE140205A BE810189A (fr) | 1973-12-19 | 1974-01-25 | Dispositif d'affichage a cristaux liquides |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5753558B2 (nl) |
| BE (1) | BE810189A (nl) |
| CA (1) | CA1011842A (nl) |
| CH (1) | CH616817GA3 (nl) |
| DE (1) | DE2403172B2 (nl) |
| FR (1) | FR2289021A1 (nl) |
| IT (1) | IT1012543B (nl) |
| NL (1) | NL165314C (nl) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5552467Y2 (nl) * | 1974-01-23 | 1980-12-05 | ||
| NL7405724A (nl) * | 1974-04-29 | 1975-10-31 | Philips Nv | Weergeefinrichting voor een telwerk zoals een klok of horloge. |
| US4100540A (en) * | 1975-11-18 | 1978-07-11 | Citizen Watch Co., Ltd. | Method of driving liquid crystal matrix display device to obtain maximum contrast and reduce power consumption |
| JPS52122097A (en) * | 1976-04-06 | 1977-10-13 | Citizen Watch Co Ltd | Electric optical display unit |
| FR2365174A1 (fr) * | 1976-09-17 | 1978-04-14 | Commissariat Energie Atomique | Procede de commande d'un dispositif d'affichage analogique a bande discontinue de cristal liquide et circuit pour la mise en oeuvre de ce procede |
| CH601826A5 (nl) * | 1976-12-24 | 1978-07-14 | Bbc Brown Boveri & Cie | |
| DE2707798A1 (de) * | 1977-02-23 | 1978-08-24 | Seikosha Kk | Verfahren und vorrichtung zur steuerung einer mehrstelligen fluessigkristallanzeige |
| CH618535A5 (nl) * | 1977-07-01 | 1980-07-31 | Bbc Brown Boveri & Cie | |
| JPS5457969U (nl) * | 1977-09-30 | 1979-04-21 | ||
| JPS54154297A (en) * | 1978-05-26 | 1979-12-05 | Kanto Seiki Co | Method of driving liquid crystal bar graph dispaly |
| JPS554490U (nl) * | 1978-06-26 | 1980-01-12 | ||
| JPS5590997A (en) * | 1978-12-29 | 1980-07-10 | Seikosha Kk | Display driver |
| JPS55114986A (en) * | 1979-02-27 | 1980-09-04 | Seikosha Co Ltd | Needle display unit |
| JPS55163487A (en) * | 1979-06-07 | 1980-12-19 | Seikosha Co Ltd | Displaying device |
| JPS55164395A (en) * | 1979-06-11 | 1980-12-22 | Seikosha Co Ltd | Timer |
| DE3101458A1 (de) * | 1981-01-19 | 1982-08-26 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum ansteuern einer auflaufenden fluessigkristall-bandanzeige |
| DE3102483A1 (de) * | 1981-01-26 | 1982-08-19 | Siemens AG, 1000 Berlin und 8000 München | Monolithisch integrierbare steuerschaltung fuer eine nematische anzeigeeinheit |
| JPH03116546U (nl) * | 1990-03-07 | 1991-12-03 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5229938A (en) * | 1975-09-02 | 1977-03-07 | Pioneer Electronic Corp | Detection apparatus for the operation of electric machiens |
-
1973
- 1973-12-19 JP JP48143331A patent/JPS5753558B2/ja not_active Expired
-
1974
- 1974-01-14 NL NL7400448.A patent/NL165314C/nl not_active IP Right Cessation
- 1974-01-23 DE DE2403172A patent/DE2403172B2/de not_active Ceased
- 1974-01-25 FR FR7402546A patent/FR2289021A1/fr active Granted
- 1974-01-25 BE BE140205A patent/BE810189A/xx not_active IP Right Cessation
- 1974-01-30 IT IT19954/74A patent/IT1012543B/it active
- 1974-03-11 CA CA194,636A patent/CA1011842A/en not_active Expired
- 1974-05-06 CH CH114174A patent/CH616817GA3/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2403172A1 (de) | 1975-07-10 |
| JPS5753558B2 (nl) | 1982-11-13 |
| IT1012543B (it) | 1977-03-10 |
| FR2289021B1 (nl) | 1980-07-25 |
| NL165314C (nl) | 1981-03-16 |
| NL165314B (nl) | 1980-10-15 |
| CH616817GA3 (en) | 1980-04-30 |
| JPS5093474A (nl) | 1975-07-25 |
| DE2403172B2 (de) | 1979-08-30 |
| FR2289021A1 (fr) | 1976-05-21 |
| CA1011842A (en) | 1977-06-07 |
| CH616817B (de) | |
| NL7400448A (nl) | 1975-06-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE20 | Patent expired |
Owner name: CASIO COMPUTER CO. LTD Effective date: 19940125 |