AU3698089A - Electro-optic device - Google Patents

Electro-optic device

Info

Publication number: AU3698089A
Authority: AU; Australia
Prior art keywords: electro; optic device; optic
Prior art date: 1988-05-18
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.): Granted

Application number

AU36980/89A

Other versions

AU622681B2 (en

Inventor

Robert Norman Shaw

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.)

BT&D Technologies Ltd

Original Assignee

Bt&d Tech Ltd

BT&D Technologies 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.)

1988-05-18

Filing date

1989-05-18

Publication date

1989-12-12

1989-05-18 Application filed by Bt&d Tech Ltd, BT&D Technologies Ltd filed Critical Bt&d Tech Ltd

1989-12-12 Publication of AU3698089A publication Critical patent/AU3698089A/en

1992-04-16 Application granted granted Critical

1992-04-16 Publication of AU622681B2 publication Critical patent/AU622681B2/en

2009-05-18 Anticipated expiration legal-status Critical

Status Ceased legal-status Critical Current

Classifications

- 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
- G02F1/0121—Operation of devices; Circuit arrangements, not otherwise provided for in this subclass
- G02F1/0123—Circuits for the control or stabilisation of the bias voltage, e.g. automatic bias control [ABC] feedback loops
- 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
- G02F1/21—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 by interference
- G02F1/212—Mach-Zehnder type

Landscapes

Physics & Mathematics (AREA)
Nonlinear Science (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Electrotherapy Devices (AREA)

AU36980/89A 1988-05-18 1989-05-18 Electro-optic device Ceased AU622681B2 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB888811689A GB8811689D0 (en)	1988-05-18	1988-05-18	Electro-optic device
GB8811689		1988-05-18

Publications (2)

Publication Number	Publication Date
AU3698089A true AU3698089A (en)	1989-12-12
AU622681B2 AU622681B2 (en)	1992-04-16

Family

ID=10637065

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU36980/89A Ceased AU622681B2 (en)	1988-05-18	1989-05-18	Electro-optic device

Country Status (6)

Country	Link
EP (1)	EP0416005A1 (en)
JP (1)	JPH03504287A (en)
AU (1)	AU622681B2 (en)
CA (1)	CA1330228C (en)
GB (1)	GB8811689D0 (en)
WO (1)	WO1989011675A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5020872A (en) *	1990-01-04	1991-06-04	Smiths Industries Aerospace & Defense Systems Incorporated	Method of operating an electrooptic modulator
JP2833816B2 (en)	1990-02-28	1998-12-09	日本電気株式会社	Light modulator
JP2944200B2 (en) *	1990-11-30	1999-08-30	日本電気株式会社	Waveguide type optical device
US5566263A (en) *	1995-03-22	1996-10-15	Minnesota Mining And Manufacturing Company	System for tuning an integrated optical switch element
US7245418B2 (en)	2005-03-18	2007-07-17	Northrop Grumman Corporation	Electro-optic switching apparatus not requiring DC bias
US8068746B2 (en)	2007-07-26	2011-11-29	Northrop Grumman Guidance And Electronics Company, Inc.	Optimum DC bias for an electro-optic switch

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0629919B2 (en) *	1982-04-16	1994-04-20	株式会社日立製作所	Liquid crystal element driving method

1988
- 1988-05-18 GB GB888811689A patent/GB8811689D0/en active Pending
1989
- 1989-05-18 CA CA000600097A patent/CA1330228C/en not_active Expired - Fee Related
- 1989-05-18 JP JP1505623A patent/JPH03504287A/en active Pending
- 1989-05-18 AU AU36980/89A patent/AU622681B2/en not_active Ceased
- 1989-05-18 EP EP89906383A patent/EP0416005A1/en not_active Withdrawn
- 1989-05-18 WO PCT/GB1989/000539 patent/WO1989011675A1/en not_active Ceased

Also Published As

Publication number	Publication date
AU622681B2 (en)	1992-04-16
GB8811689D0 (en)	1988-06-22
WO1989011675A1 (en)	1989-11-30
EP0416005A1 (en)	1991-03-13
CA1330228C (en)	1994-06-14
JPH03504287A (en)	1991-09-19

Publication	Publication Date	Title
AU4502489A (en)	1990-05-14	Wound-closing device
EP0356099A3 (en)	1990-07-25	Electrochromic device
AU5607990A (en)	1991-12-05	Display device
AU3854489A (en)	1990-01-12	Eye-bathing devices
AU4492989A (en)	1990-05-14	Incontinence device
AU3023489A (en)	1989-08-31	Dispensing device
EP0327071A3 (en)	1990-06-20	Electro-optical device
GB2221548B (en)	1992-06-24	Electro-optical device
AU3680289A (en)	1989-12-12	Control device
AU4614589A (en)	1990-06-21	Intra-ruminal device
AU4000689A (en)	1990-03-01	Web holding device
AU576420B2 (en)	1988-08-25	Electrochromic device
AU3323089A (en)	1989-10-26	Improved dispensing device
AU3420589A (en)	1989-11-03	Driving device
AU2567188A (en)	1989-06-01	Hysterography device
EP0357463A3 (en)	1990-10-03	Display device
AU4212189A (en)	1990-04-18	Optical device
AU4324689A (en)	1990-04-18	Display device
AU3554889A (en)	1989-11-29	Gearing device
AU3004889A (en)	1989-08-31	Dispensing device
AU1315588A (en)	1990-02-15	Electrochromic device
AU3698089A (en)	1989-12-12	Electro-optic device
AU586069B2 (en)	1989-06-29	Display device
AU3227989A (en)	1989-10-05	Web center-locating device
AU3107989A (en)	1989-09-14	Display device