GB1359593A - Driving circuit arrangements for passive display devices - Google Patents
Driving circuit arrangements for passive display devicesInfo
- Publication number
- GB1359593A GB1359593A GB886872A GB886872A GB1359593A GB 1359593 A GB1359593 A GB 1359593A GB 886872 A GB886872 A GB 886872A GB 886872 A GB886872 A GB 886872A GB 1359593 A GB1359593 A GB 1359593A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrode
- potential
- liquid crystal
- terminal
- display device
- 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
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G9/00—Visual time or date indication means
- G04G9/0023—Visual time or date indication means by light valves in general
- G04G9/0029—Details
- G04G9/0047—Details electrical, e.g. selection or application of the operating voltage
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP46009804A JPS5219106B1 (xx) | 1971-02-27 | 1971-02-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1359593A true GB1359593A (en) | 1974-07-10 |
Family
ID=11730360
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB886872A Expired GB1359593A (en) | 1971-02-27 | 1972-02-25 | Driving circuit arrangements for passive display devices |
Country Status (6)
Country | Link |
---|---|
US (1) | US3797225A (xx) |
JP (1) | JPS5219106B1 (xx) |
DE (1) | DE2209382A1 (xx) |
FR (1) | FR2126413B1 (xx) |
GB (1) | GB1359593A (xx) |
HK (1) | HK41476A (xx) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4977538A (xx) * | 1972-11-27 | 1974-07-26 | ||
JPS4977537A (xx) * | 1972-11-27 | 1974-07-26 | ||
JPS49126068U (xx) * | 1973-02-23 | 1974-10-29 | ||
US4219809A (en) * | 1978-07-17 | 1980-08-26 | Times Corporation | Compensation scheme for electrochromic displays |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3505804A (en) * | 1968-04-23 | 1970-04-14 | Rca Corp | Solid state clock |
US3576099A (en) * | 1969-04-22 | 1971-04-27 | Hamilton Watch Co | Solid state timepiece having electro-optical time display |
US3575492A (en) * | 1969-07-10 | 1971-04-20 | Rca Corp | Turnoff method and circuit for liquid crystal display element |
US3664118A (en) * | 1970-09-09 | 1972-05-23 | Hamilton Watch Co | Electronically controlled timepiece using low power mos transistor circuitry |
-
1971
- 1971-02-27 JP JP46009804A patent/JPS5219106B1/ja active Pending
-
1972
- 1972-02-25 GB GB886872A patent/GB1359593A/en not_active Expired
- 1972-02-25 FR FR7206449A patent/FR2126413B1/fr not_active Expired
- 1972-02-28 US US00232461A patent/US3797225A/en not_active Expired - Lifetime
- 1972-02-28 DE DE19722209382 patent/DE2209382A1/de active Pending
-
1976
- 1976-06-30 HK HK414/76*UA patent/HK41476A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
US3797225A (en) | 1974-03-19 |
HK41476A (en) | 1976-07-09 |
FR2126413B1 (xx) | 1975-10-24 |
DE2209382A1 (de) | 1972-09-14 |
FR2126413A1 (xx) | 1972-10-06 |
JPS5219106B1 (xx) | 1977-05-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PE20 | Patent expired after termination of 20 years |