GB2239101B - Optical device - Google Patents

Optical device

Info

Publication number
GB2239101B
GB2239101B GB8926048A GB8926048A GB2239101B GB 2239101 B GB2239101 B GB 2239101B GB 8926048 A GB8926048 A GB 8926048A GB 8926048 A GB8926048 A GB 8926048A GB 2239101 B GB2239101 B GB 2239101B
Authority
GB
United Kingdom
Prior art keywords
optical device
optical
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 - Fee Related
Application number
GB8926048A
Other versions
GB8926048D0 (en
GB2239101A (en
Inventor
Duncan Peter Rowe
James Christopher Reynolds
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.)
BAE Systems Electronics Ltd
Original Assignee
GEC Marconi Ltd
Marconi Co 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 GEC Marconi Ltd, Marconi Co Ltd filed Critical GEC Marconi Ltd
Priority to GB8926048A priority Critical patent/GB2239101B/en
Publication of GB8926048D0 publication Critical patent/GB8926048D0/en
Publication of GB2239101A publication Critical patent/GB2239101A/en
Application granted granted Critical
Publication of GB2239101B publication Critical patent/GB2239101B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/02—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only
    • H04N3/08—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only having a moving reflector

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Optics & Photonics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Mechanical Optical Scanning Systems (AREA)
GB8926048A 1989-11-17 1989-11-17 Optical device Expired - Fee Related GB2239101B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8926048A GB2239101B (en) 1989-11-17 1989-11-17 Optical device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8926048A GB2239101B (en) 1989-11-17 1989-11-17 Optical device

Publications (3)

Publication Number Publication Date
GB8926048D0 GB8926048D0 (en) 1990-01-10
GB2239101A GB2239101A (en) 1991-06-19
GB2239101B true GB2239101B (en) 1993-09-22

Family

ID=10666488

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8926048A Expired - Fee Related GB2239101B (en) 1989-11-17 1989-11-17 Optical device

Country Status (1)

Country Link
GB (1) GB2239101B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6544863B1 (en) 2001-08-21 2003-04-08 Calient Networks, Inc. Method of fabricating semiconductor wafers having multiple height subsurface layers

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5563398A (en) * 1991-10-31 1996-10-08 Texas Instruments Incorporated Spatial light modulator scanning system
GB2275787A (en) * 1993-03-05 1994-09-07 British Aerospace Silicon micro-mirror unit
KR100213281B1 (en) * 1994-10-31 1999-08-02 전주범 The lightpath modulation device
KR960018646A (en) * 1994-11-14 1996-06-17 배순훈 Manufacturing method of optical path control device
KR100203577B1 (en) * 1994-12-19 1999-06-15 배순훈 Optical projection system and its fabrication system
US5739941A (en) * 1995-07-20 1998-04-14 Texas Instruments Incorporated Non-linear hinge for micro-mechanical device
US20020071169A1 (en) 2000-02-01 2002-06-13 Bowers John Edward Micro-electro-mechanical-system (MEMS) mirror device
US6753638B2 (en) 2000-02-03 2004-06-22 Calient Networks, Inc. Electrostatic actuator for micromechanical systems
US6610974B1 (en) 2000-06-05 2003-08-26 Calient Networks, Inc. Positioning a movable reflector in an optical switch
US6728016B1 (en) 2000-06-05 2004-04-27 Calient Networks, Inc. Safe procedure for moving mirrors in an optical cross-connect switch
US6587611B1 (en) 2000-06-06 2003-07-01 Calient Networks, Inc. Maintaining path integrity in an optical switch
US6825967B1 (en) 2000-09-29 2004-11-30 Calient Networks, Inc. Shaped electrodes for micro-electro-mechanical-system (MEMS) devices to improve actuator performance and methods for fabricating the same
GB2375185A (en) * 2001-05-04 2002-11-06 Kymata Ltd Thick wafer for MEMS fabrication
CN103675793B (en) * 2012-08-29 2015-09-16 北京理工大学 The countercheck of Active laser interference

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1390121A (en) * 1971-04-13 1975-04-09 Westinghouse Electric Corp Electrostatically deflectable light valves for projection displays
US3886310A (en) * 1973-08-22 1975-05-27 Westinghouse Electric Corp Electrostatically deflectable light valve with improved diffraction properties
GB1441840A (en) * 1974-03-14 1976-07-07 Mullard Ltd Magnetic devices
US4229732A (en) * 1978-12-11 1980-10-21 International Business Machines Corporation Micromechanical display logic and array
GB2075762A (en) * 1980-04-04 1981-11-18 Yokogawa Electric Works Ltd Mechanical vibrating element
EP0040302A2 (en) * 1980-05-19 1981-11-25 International Business Machines Corporation An optical ray deflection apparatus
EP0174008A2 (en) * 1984-09-03 1986-03-12 Omron Tateisi Electronics Co. Device for processing optical data
GB2175705A (en) * 1985-05-24 1986-12-03 Stc Plc Dirigible reflector and mounting made of single crystal material
US4662746A (en) * 1985-10-30 1987-05-05 Texas Instruments Incorporated Spatial light modulator and method
US4710732A (en) * 1984-07-31 1987-12-01 Texas Instruments Incorporated Spatial light modulator and method
US4793699A (en) * 1985-04-19 1988-12-27 Canon Kabushiki Kaisha Projection apparatus provided with an electro-mechanical transducer element

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1390121A (en) * 1971-04-13 1975-04-09 Westinghouse Electric Corp Electrostatically deflectable light valves for projection displays
US3886310A (en) * 1973-08-22 1975-05-27 Westinghouse Electric Corp Electrostatically deflectable light valve with improved diffraction properties
GB1441840A (en) * 1974-03-14 1976-07-07 Mullard Ltd Magnetic devices
US4229732A (en) * 1978-12-11 1980-10-21 International Business Machines Corporation Micromechanical display logic and array
GB2075762A (en) * 1980-04-04 1981-11-18 Yokogawa Electric Works Ltd Mechanical vibrating element
EP0040302A2 (en) * 1980-05-19 1981-11-25 International Business Machines Corporation An optical ray deflection apparatus
US4710732A (en) * 1984-07-31 1987-12-01 Texas Instruments Incorporated Spatial light modulator and method
EP0174008A2 (en) * 1984-09-03 1986-03-12 Omron Tateisi Electronics Co. Device for processing optical data
US4793699A (en) * 1985-04-19 1988-12-27 Canon Kabushiki Kaisha Projection apparatus provided with an electro-mechanical transducer element
GB2175705A (en) * 1985-05-24 1986-12-03 Stc Plc Dirigible reflector and mounting made of single crystal material
US4662746A (en) * 1985-10-30 1987-05-05 Texas Instruments Incorporated Spatial light modulator and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6544863B1 (en) 2001-08-21 2003-04-08 Calient Networks, Inc. Method of fabricating semiconductor wafers having multiple height subsurface layers

Also Published As

Publication number Publication date
GB8926048D0 (en) 1990-01-10
GB2239101A (en) 1991-06-19

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19951117