GB2415794A - Image display apparatus - Google Patents

Image display apparatus Download PDF

Info

Publication number
GB2415794A
GB2415794A GB0520951A GB0520951A GB2415794A GB 2415794 A GB2415794 A GB 2415794A GB 0520951 A GB0520951 A GB 0520951A GB 0520951 A GB0520951 A GB 0520951A GB 2415794 A GB2415794 A GB 2415794A
Authority
GB
United Kingdom
Prior art keywords
actuator
turbocharger
engine speed
ecu
control signal
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.)
Granted
Application number
GB0520951A
Other versions
GB2415794A8 (en
GB0520951D0 (en
GB2415794B (en
Inventor
Nicholas Richard Coates
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.)
Rockwell Collins Visual Display Systems Ltd
Original Assignee
Seos 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 Seos Ltd filed Critical Seos Ltd
Publication of GB0520951D0 publication Critical patent/GB0520951D0/en
Publication of GB2415794A publication Critical patent/GB2415794A/en
Publication of GB2415794A8 publication Critical patent/GB2415794A8/en
Application granted granted Critical
Publication of GB2415794B publication Critical patent/GB2415794B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface
    • G03B21/606—Projection screens characterised by the nature of the surface for relief projection
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/02—Catoptric systems, e.g. image erecting and reversing system
    • G02B17/06—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/10—Projectors with built-in or built-on screen
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/28—Reflectors in projection beam
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface
    • G03B21/62—Translucent screens
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B9/00—Simulators for teaching or training purposes
    • G09B9/02—Simulators for teaching or training purposes for teaching control of vehicles or other craft
    • G09B9/08—Simulators for teaching or training purposes for teaching control of vehicles or other craft for teaching control of aircraft, e.g. Link trainer
    • G09B9/30—Simulation of view from aircraft
    • G09B9/32—Simulation of view from aircraft by projected image

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Supercharger (AREA)

Abstract

A control system of this invention for use with a variable geometry turbocharger is designed to enable turbocharger control based solely on engine speed. The control system takes measured engine speed and sends the same to an engine control unit (ECU) having an actuator position v. engine speed map. The ECU utilizes only the measured engine speed to determine a desired actuator position from the map, and produces a control signal for effecting actuator operation. The control signal generated by the ECU can be converted to an analog signal by pulse width modulation, for example. The control signal is sent to an actuator for placing the actuator into the desired actuator position. The actuator is connected to a variable geometry member in the turbocharger so that operation and placement of the actuator into the desired actuator position thereby places the variable geometry member into a desired position to effect the desired change in turbocharger operation. In an example embodiment, the variably geometry member is a number of movable vanes that can be positioned to change the amount of exhaust gas flow directed to a turbine wheel of the turbocharger.

Description

GB 2415794 A continuation (74) Agent and/or Address for Service: Graham
Jones & Company
77 Beaconsfield Road, Blackheath,
LONDON, SE3 7LG, United Kingdom
GB0520951A 2003-05-09 2004-04-16 Image display apparatus Expired - Fee Related GB2415794B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0310702.6A GB0310702D0 (en) 2003-05-09 2003-05-09 Image display apparatus
PCT/GB2004/001667 WO2004099842A1 (en) 2003-05-09 2004-04-16 Image display apparatus

Publications (4)

Publication Number Publication Date
GB0520951D0 GB0520951D0 (en) 2005-11-23
GB2415794A true GB2415794A (en) 2006-01-04
GB2415794A8 GB2415794A8 (en) 2006-02-10
GB2415794B GB2415794B (en) 2006-07-26

Family

ID=9957765

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0310702.6A Ceased GB0310702D0 (en) 2003-05-09 2003-05-09 Image display apparatus
GB0520951A Expired - Fee Related GB2415794B (en) 2003-05-09 2004-04-16 Image display apparatus

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0310702.6A Ceased GB0310702D0 (en) 2003-05-09 2003-05-09 Image display apparatus

Country Status (2)

Country Link
GB (2) GB0310702D0 (en)
WO (1) WO2004099842A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006025638A1 (en) * 2006-05-29 2007-12-20 Jenoptik Ldt Gmbh Image projection device for collimation arrangement, has laser projector positioned near center of curvature of rear projection screen
WO2009015636A1 (en) 2007-07-27 2009-02-05 Ldt Laser Display Technology Gmbh Method and arrangement for projecting an image onto a projection surface
US9191659B2 (en) 2011-11-16 2015-11-17 Christie Digital Systems Usa, Inc. Collimated stereo display system
US9316837B2 (en) 2014-04-22 2016-04-19 Christie Digital Systems Usa, Inc. Display stand
CN105045028B (en) * 2015-08-12 2017-01-04 中国人民解放军95995部队 A kind of super large vertical field of view angle paraxonic virtual image display system
EP3599495A1 (en) * 2018-07-24 2020-01-29 ScioTeq BVBA Collimated visual display system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3909523A (en) * 1974-04-08 1975-09-30 Goodyear Aerospace Corp CRT projection lens
US6344263B1 (en) * 1998-03-30 2002-02-05 3M Innovative Properties Company Light dispersing film and method of manufacture
EP1265207A1 (en) * 1996-05-31 2002-12-11 Raytheon Company Backscreen edge contouring for off-axis large field of view displays

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2378252A (en) * 1942-06-30 1945-06-12 Eastman Kodak Co Projection screen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3909523A (en) * 1974-04-08 1975-09-30 Goodyear Aerospace Corp CRT projection lens
EP1265207A1 (en) * 1996-05-31 2002-12-11 Raytheon Company Backscreen edge contouring for off-axis large field of view displays
US6344263B1 (en) * 1998-03-30 2002-02-05 3M Innovative Properties Company Light dispersing film and method of manufacture

Also Published As

Publication number Publication date
GB2415794A8 (en) 2006-02-10
GB0520951D0 (en) 2005-11-23
GB2415794B (en) 2006-07-26
WO2004099842A1 (en) 2004-11-18
GB0310702D0 (en) 2003-06-11

Similar Documents

Publication Publication Date Title
EP0881373A3 (en) Emission control for a gas turbine engine
US6732523B2 (en) Method for controlling a charge pressure in an internal combustion engine with an exhaust gas turbocharger
ATE310159T1 (en) CONTROL OF AN EXHAUST TURBOCHARGER WITH VARIABLE TURBINE GEOMETRY BY MEASUREMENT OF THE EXHAUST PRESSURE
EP1288469A3 (en) EGR control unit and EGR control method
HUP0301321A2 (en) Variable nozzle turbocharger with sheet metal shroud
EP1020626A3 (en) Exhaust gas recirculation system
WO2001066925A8 (en) Intelligent electric actuator for control of a turbocharger with an integrated exhaust gas recirculation valve
EP1013902A3 (en) Emission control apparatus of an internal combustion engine and method of control therefor
UA87063C2 (en) Gas turbine engine fuel supply device with regulated fuel consumption
WO2006000893A8 (en) Exhaust gas control apparatus for internal combustion engine
ATE296400T1 (en) METHOD FOR CONTROLLING THE BOOST PRESSURE ON A PISTON INTERNATIONAL ENGINE WITH A TURBOCHARGER
SE9001758D0 (en) SETTING AND DEVICE FOR TOUR REGULATION
EP1439291A3 (en) Combustion engine with EGR apparatus
WO2005059324A8 (en) Exhaust system for lean burn engine including particulate filter
EP0668495A3 (en) Measuring installation for the exhaust particles (soot) of combustion engines
WO2004097192A3 (en) Exhaust for internal combustion engine
ATE223559T1 (en) INTERNATIONAL ENGINE TURBOCHARGER SYSTEM
GB2415794A (en) Image display apparatus
SE0303202D0 (en) Procedure for braking with a variable turbocharged internal combustion engine
ATE488676T1 (en) METHOD AND DEVICE FOR CONTROLLING THE EXHAUST GAS TEMPERATURE OF AN ENGINE
KR970704589A (en) An apparatus for reducing the engine torque of an internal combustion engine having a turbocharger (Turbocharger)
JPS5430319A (en) Electronic control internal combustion engine
ATE292787T1 (en) DEVICE FOR DETERMINING THE STRENGTH OF A GAS VOLUME FLOW
EP1431547A3 (en) Method and device for calculating the exhaust gas recirculation amount in an internal combustion engine
SE0301198L (en) Ways to control the supercharging in an internal combustion engine and vehicles with a supercharged internal combustion engine with electronic control means for controlling the supercharging

Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20111117 AND 20111123

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20120416