BE783078A - Perfectionnements apportes aux organes de circuit electrique - Google Patents

Perfectionnements apportes aux organes de circuit electrique

Info

Publication number
BE783078A
BE783078A BE783078A BE783078A BE783078A BE 783078 A BE783078 A BE 783078A BE 783078 A BE783078 A BE 783078A BE 783078 A BE783078 A BE 783078A BE 783078 A BE783078 A BE 783078A
Authority
BE
Belgium
Prior art keywords
electric circuit
circuit bodies
bodies
electric
circuit
Prior art date
Application number
BE783078A
Other languages
English (en)
Original Assignee
Cambridge Consultants
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 filed Critical Cambridge Consultants
Publication of BE783078A publication Critical patent/BE783078A/fr

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)
BE783078A 1971-05-07 1972-05-05 Perfectionnements apportes aux organes de circuit electrique BE783078A (fr)

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
BE783078A true BE783078A (fr) 1972-09-01

Family

ID=10027663

Family Applications (1)

Application Number Title Priority Date Filing Date
BE783078A BE783078A (fr) 1971-05-07 1972-05-05 Perfectionnements apportes aux organes de circuit electrique

Country Status (7)

Country Link
JP (1) JPS567983U (fr)
BE (1) BE783078A (fr)
CH (2) CH665472A4 (fr)
DE (1) DE2221863C2 (fr)
FR (1) FR2139351A5 (fr)
GB (1) GB1398237A (fr)
NL (1) NL7206022A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114488592A (zh) * 2020-11-11 2022-05-13 昆山科技大学 液晶玻璃板调变电路

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH589307A5 (fr) * 1975-06-27 1977-06-30 Bbc Brown Boveri & Cie
GB2040625A (en) * 1979-01-23 1980-08-28 Nat Res Dev Serial data logic circuit
JPS5677891A (en) * 1979-11-29 1981-06-26 Tokyo Shibaura Electric Co Displayyunit drive circuit
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

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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114488592A (zh) * 2020-11-11 2022-05-13 昆山科技大学 液晶玻璃板调变电路

Also Published As

Publication number Publication date
GB1398237A (en) 1975-06-18
DE2221863C2 (de) 1984-05-10
FR2139351A5 (fr) 1973-01-05
DE2221863A1 (de) 1972-11-30
JPS567983U (fr) 1981-01-23
CH665472A4 (fr) 1974-02-28
NL7206022A (fr) 1972-11-09
CH582383B5 (fr) 1976-11-30

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: CAMBRIDGE CONSULTANTS LTD

Effective date: 19840505