NL150578B - Elektrisch of mechanisch beheersbare optische inrichting. - Google Patents

Elektrisch of mechanisch beheersbare optische inrichting.

Info

Publication number
NL150578B
NL150578B NL707003696A NL7003696A NL150578B NL 150578 B NL150578 B NL 150578B NL 707003696 A NL707003696 A NL 707003696A NL 7003696 A NL7003696 A NL 7003696A NL 150578 B NL150578 B NL 150578B
Authority
NL
Netherlands
Prior art keywords
electrical
optical device
mechanically controlled
controlled optical
mechanically
Prior art date
Application number
NL707003696A
Other languages
English (en)
Dutch (nl)
Other versions
NL7003696A (en, 2012
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of NL7003696A publication Critical patent/NL7003696A/xx
Publication of NL150578B publication Critical patent/NL150578B/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
    • H01G7/02—Electrets, i.e. having a permanently-polarised dielectric
    • H01G7/025—Electrets, i.e. having a permanently-polarised dielectric having an inorganic dielectric
    • 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 
    • G02F1/03—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 ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
    • G02F1/05—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 ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect with ferro-electric properties

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Inorganic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Inorganic Insulating Materials (AREA)
NL707003696A 1969-03-15 1970-03-16 Elektrisch of mechanisch beheersbare optische inrichting. NL150578B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP44019912A JPS493849B1 (en, 2012) 1969-03-15 1969-03-15

Publications (2)

Publication Number Publication Date
NL7003696A NL7003696A (en, 2012) 1970-09-17
NL150578B true NL150578B (nl) 1976-08-16

Family

ID=12012407

Family Applications (1)

Application Number Title Priority Date Filing Date
NL707003696A NL150578B (nl) 1969-03-15 1970-03-16 Elektrisch of mechanisch beheersbare optische inrichting.

Country Status (5)

Country Link
US (1) US3936146A (en, 2012)
JP (1) JPS493849B1 (en, 2012)
FR (1) FR2038935A5 (en, 2012)
GB (1) GB1318082A (en, 2012)
NL (1) NL150578B (en, 2012)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4109359A (en) * 1976-06-07 1978-08-29 The United States Of America As Represented By The Secretary Of The Navy Method of making ferroelectric crystals having tailored domain patterns
US4262339A (en) * 1979-04-05 1981-04-14 Bell Telephone Laboratories, Incorporated Ferroelectric digital device
US4259728A (en) * 1979-04-05 1981-03-31 Bell Telephone Laboratories, Incorporated Ferroelectric analog device
JPS59147274A (ja) * 1983-02-10 1984-08-23 Hitachi Ltd 光方式電界測定装置
GB8513689D0 (en) * 1985-05-30 1985-07-03 English Electric Valve Co Ltd Iris/shutter arrangements
US5305136A (en) * 1992-03-31 1994-04-19 Geo-Centers, Inc. Optically bidirectional fast optical switch having reduced light loss
GB2287327A (en) * 1994-03-02 1995-09-13 Sharp Kk Electro-optic apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL212435A (en, 2012) * 1955-12-07
US3586415A (en) * 1968-03-30 1971-06-22 Hitachi Ltd Light modulator element
US3559185A (en) * 1968-08-07 1971-01-26 Ibm Optical switch
US3521262A (en) * 1969-05-28 1970-07-21 Sperry Rand Corp Magneto-optic readout of multi-state analog storage magnetic film elements

Also Published As

Publication number Publication date
DE2012047A1 (de) 1971-09-30
US3936146A (en) 1976-02-03
FR2038935A5 (en, 2012) 1971-01-08
GB1318082A (en) 1973-05-23
DE2012047B2 (de) 1975-07-31
NL7003696A (en, 2012) 1970-09-17
JPS493849B1 (en, 2012) 1974-01-29

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Legal Events

Date Code Title Description
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: HITACHI

V4 Lapsed because of reaching the maximum lifetime of a patent