GB1398237A - Liquid crystal display means - Google Patents

Liquid crystal display means

Info

Publication number
GB1398237A
GB1398237A GB1369271A GB1369271A GB1398237A GB 1398237 A GB1398237 A GB 1398237A GB 1369271 A GB1369271 A GB 1369271A GB 1369271 A GB1369271 A GB 1369271A GB 1398237 A GB1398237 A GB 1398237A
Authority
GB
United Kingdom
Prior art keywords
pulses
output
phase
liquid crystal
clock
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
Application number
GB1369271A
Other languages
English (en)
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.)
Cambridge Consultants Ltd
Original Assignee
Cambridge Consultants Ltd
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
Application filed by Cambridge Consultants Ltd filed Critical Cambridge Consultants Ltd
Priority to GB1369271A priority Critical patent/GB1398237A/en
Priority to CH665472D priority patent/CH665472A4/xx
Priority to CH665472A priority patent/CH582383B5/xx
Priority to NL7206022A priority patent/NL7206022A/xx
Priority to DE19722221863 priority patent/DE2221863C2/de
Priority to BE783078A priority patent/BE783078A/xx
Priority to FR7216434A priority patent/FR2139351A5/fr
Publication of GB1398237A publication Critical patent/GB1398237A/en
Priority to JP9527080U priority patent/JPS567983U/ja
Expired 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
    • G09G3/16—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 by control of light from an independent source
    • G09G3/18—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 by control of light from an independent source using liquid crystals
    • 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
    • G04G9/0035—Details constructional
    • 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
    • G04G9/12—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques using light valves, e.g. liquid crystals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
    • H03K17/66—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will
    • H03K17/665—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will connected to one load terminal only
    • H03K17/666—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will connected to one load terminal only the output circuit comprising more than one controlled bipolar transistor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Electric Clocks (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Electronic Switches (AREA)
GB1369271A 1971-05-07 1971-05-07 Liquid crystal display means Expired GB1398237A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
GB1369271A GB1398237A (en) 1971-05-07 1971-05-07 Liquid crystal display means
CH665472D CH665472A4 (enrdf_load_stackoverflow) 1971-05-07 1972-05-04
CH665472A CH582383B5 (enrdf_load_stackoverflow) 1971-05-07 1972-05-04
NL7206022A NL7206022A (enrdf_load_stackoverflow) 1971-05-07 1972-05-04
DE19722221863 DE2221863C2 (de) 1971-05-07 1972-05-04 Elektronische Schaltungsanordnung zur Ansteuerung einer Flüssigkristall-Anzeigeeinrichtung für eine Uhr
BE783078A BE783078A (fr) 1971-05-07 1972-05-05 Perfectionnements apportes aux organes de circuit electrique
FR7216434A FR2139351A5 (enrdf_load_stackoverflow) 1971-05-07 1972-05-08
JP9527080U JPS567983U (enrdf_load_stackoverflow) 1971-05-07 1980-07-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1369271A GB1398237A (en) 1971-05-07 1971-05-07 Liquid crystal display means

Publications (1)

Publication Number Publication Date
GB1398237A true GB1398237A (en) 1975-06-18

Family

ID=10027663

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1369271A Expired GB1398237A (en) 1971-05-07 1971-05-07 Liquid crystal display means

Country Status (7)

Country Link
JP (1) JPS567983U (enrdf_load_stackoverflow)
BE (1) BE783078A (enrdf_load_stackoverflow)
CH (2) CH582383B5 (enrdf_load_stackoverflow)
DE (1) DE2221863C2 (enrdf_load_stackoverflow)
FR (1) FR2139351A5 (enrdf_load_stackoverflow)
GB (1) GB1398237A (enrdf_load_stackoverflow)
NL (1) NL7206022A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4399377A (en) * 1979-01-23 1983-08-16 National Research Development Corporation Selectively operable bit-serial logic circuit
US4542379A (en) * 1979-11-29 1985-09-17 Tokyo Shibaura Denki Kabushiki Kaisha Circuit for driving a display device

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH589307A5 (enrdf_load_stackoverflow) * 1975-06-27 1977-06-30 Bbc Brown Boveri & Cie
GB2102230A (en) * 1981-07-16 1983-01-26 Plessey Co Ltd A pulse drive circuit
KR970000100B1 (ko) * 1993-12-02 1997-01-04 엘지전자 주식회사 냉장고의 야채실도어 개폐장치
CN114488592A (zh) * 2020-11-11 2022-05-13 昆山科技大学 液晶玻璃板调变电路

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2821639A (en) * 1954-10-28 1958-01-28 Westinghouse Electric Corp Transistor switching circuits
DE1098034B (de) * 1959-04-13 1961-01-26 Siemens Ag Schaltungsanordnung zum Umschalten der Stromrichtung in einem Verbraucher
US3551689A (en) * 1969-03-21 1970-12-29 Rca Corp Alternating current driven load circuit
US3576364A (en) * 1969-05-20 1971-04-27 Rca Corp Color advertising display employing liquid crystal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4399377A (en) * 1979-01-23 1983-08-16 National Research Development Corporation Selectively operable bit-serial logic circuit
US4542379A (en) * 1979-11-29 1985-09-17 Tokyo Shibaura Denki Kabushiki Kaisha Circuit for driving a display device

Also Published As

Publication number Publication date
NL7206022A (enrdf_load_stackoverflow) 1972-11-09
CH582383B5 (enrdf_load_stackoverflow) 1976-11-30
DE2221863C2 (de) 1984-05-10
CH665472A4 (enrdf_load_stackoverflow) 1974-02-28
JPS567983U (enrdf_load_stackoverflow) 1981-01-23
FR2139351A5 (enrdf_load_stackoverflow) 1973-01-05
DE2221863A1 (de) 1972-11-30
BE783078A (fr) 1972-09-01

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Legal Events

Date Code Title Description
PS Patent sealed
PLE Entries relating assignments, transmissions, licences in the register of patents
PLE Entries relating assignments, transmissions, licences in the register of patents
PCNP Patent ceased through non-payment of renewal fee