CH74475A4 - - Google Patents

Info

Publication number
CH74475A4
CH74475A4 CH74475D CH74475D CH74475A4 CH 74475 A4 CH74475 A4 CH 74475A4 CH 74475 D CH74475 D CH 74475D CH 74475 D CH74475 D CH 74475D CH 74475 A4 CH74475 A4 CH 74475A4
Authority
CH
Switzerland
Application number
CH74475D
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 filed Critical
Publication of CH74475A4 publication Critical patent/CH74475A4/xx

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/50—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to the appearance of abnormal wave forms, e.g. AC in DC installations
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
    • 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)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Electric Clocks (AREA)
  • Liquid Crystal (AREA)
CH74475D 1974-03-27 1975-01-22 CH74475A4 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US455372A US3873888A (en) 1974-03-27 1974-03-27 Liquid crystal protection circuit

Publications (1)

Publication Number Publication Date
CH74475A4 true CH74475A4 (enrdf_load_stackoverflow) 1977-01-31

Family

ID=23808523

Family Applications (2)

Application Number Title Priority Date Filing Date
CH74475A CH610713B5 (enrdf_load_stackoverflow) 1974-03-27 1975-01-22
CH74475D CH74475A4 (enrdf_load_stackoverflow) 1974-03-27 1975-01-22

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH74475A CH610713B5 (enrdf_load_stackoverflow) 1974-03-27 1975-01-22

Country Status (10)

Country Link
US (1) US3873888A (enrdf_load_stackoverflow)
JP (1) JPS50129241A (enrdf_load_stackoverflow)
CA (1) CA1033480A (enrdf_load_stackoverflow)
CH (2) CH610713B5 (enrdf_load_stackoverflow)
DE (1) DE2501114C3 (enrdf_load_stackoverflow)
FR (1) FR2266207B1 (enrdf_load_stackoverflow)
GB (1) GB1485061A (enrdf_load_stackoverflow)
HK (1) HK55180A (enrdf_load_stackoverflow)
MY (1) MY8100199A (enrdf_load_stackoverflow)
SU (1) SU563931A3 (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51135499A (en) * 1975-05-20 1976-11-24 Seiko Epson Corp Liquid crystal display unit
DE2939553A1 (de) * 1979-09-28 1981-04-02 Eurosil GmbH, 8000 München Schaltungsanordnung zur steuerung einer mehrstelligen fluessigkristallanzeige
JPS5877391U (ja) * 1981-11-20 1983-05-25 トキコ株式会社 液晶表示回路
JPH0693166B2 (ja) * 1984-09-05 1994-11-16 株式会社日立製作所 液晶素子
DE3807020A1 (de) * 1988-03-04 1989-09-14 Eurosil Electronic Gmbh Fluessigkristallanzeige mit taktgesteuerter abschaltung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB505490A (en) * 1937-10-11 1939-05-11 Eric Lawrence Casling White Improvements in or relating to cathode ray tube television and like apparatus
US3588608A (en) * 1969-02-24 1971-06-28 Sun Electric Corp Circuit protection apparatus for disabling high voltage to a cathode-ray tube
DE2150621A1 (de) * 1971-10-11 1973-04-19 Rca Corp Steuerschaltung, insbesondere fuer eine fluessigkristallzelle
GB1425828A (en) * 1972-04-24 1976-02-18 Rca Corp Electron beam tube protection circuit

Also Published As

Publication number Publication date
CA1033480A (en) 1978-06-20
CH610713B5 (enrdf_load_stackoverflow) 1979-05-15
DE2501114B2 (de) 1981-07-02
FR2266207B1 (enrdf_load_stackoverflow) 1978-04-21
MY8100199A (en) 1981-12-31
JPS50129241A (enrdf_load_stackoverflow) 1975-10-13
US3873888A (en) 1975-03-25
GB1485061A (en) 1977-09-08
DE2501114A1 (de) 1975-10-09
HK55180A (en) 1980-10-10
DE2501114C3 (de) 1982-02-25
FR2266207A1 (enrdf_load_stackoverflow) 1975-10-24
SU563931A3 (ru) 1977-06-30

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