US20160077671A1 - Rapid prototyping and machine vision for reconfigurable interfaces - Google Patents
Rapid prototyping and machine vision for reconfigurable interfaces Download PDFInfo
- Publication number
- US20160077671A1 US20160077671A1 US14/949,271 US201514949271A US2016077671A1 US 20160077671 A1 US20160077671 A1 US 20160077671A1 US 201514949271 A US201514949271 A US 201514949271A US 2016077671 A1 US2016077671 A1 US 2016077671A1
- Authority
- US
- United States
- Prior art keywords
- user
- reconfigurable
- human
- input devices
- machine interface
- 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.)
- Abandoned
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/20—Movements or behaviour, e.g. gesture recognition
- G06V40/28—Recognition of hand or arm movements, e.g. recognition of deaf sign language
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0425—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B6/00—Tactile signalling systems, e.g. personal calling systems
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
Definitions
- This invention relates generally to human-machine interfaces and, in particular, to interfaces that use rapid prototyping technology to fabricate interfaces with desired functional and haptic responses.
- a complex simulation interface is useful for training. For example, pilots would like to train in a flight simulator using mission specific data. These simulators often take up a large amount of space, particularly if one simulator exists for each type of interface (e.g. each aircraft cockpit).
- This invention relates generally to human-machine interfaces and, in particular, to interfaces that use rapid prototyping technology to fabricate interfaces with desired functional and haptic responses.
- the embodiments include software to aid in generation of panels and control instruments rapidly construct panels that can support a variety of control interfaces. These panels can replicate existing systems (for simulation, training, gaming, etc.) or create new designs (for human factors testing, as functional product, etc.).
- the controls may have tactile and/or visual characteristics similar or identical to their functional component counterparts such as buttons, knobs, switches, pedals, joysticks, steering wheels, and touch panels but are modular and use alternative data transfer modes (potentiometers, fiber optics, RFID, machine vision, etc.) to track and analyze the response of the controls. The response is then transmitted to the host programs.
- a user can design and fabricate a reconfigurable interface to interact with virtual environments for various applications such as simulation, training, virtual instrumentation, gaming, human factors testing, etc.
- a method of forming a human-machine interface according to the invention includes the step of providing a scaffold enabling different interface components to be positioned at different locations on the scaffold.
- One or more of the interface components are fabricated with a rapid prototyping technology. Such components feature a physical structure that provides a specified functional response.
- the components are mounted on the scaffold in accordance with a given application.
- the functional response may include a haptic response.
- the interface component may be a pushbutton, in which case the haptic response may include the depth of travel or the stiffness of the pushbutton.
- the interface component may be a pushbutton with a frame, a button portion, and compliant tabs coupling the button portion to the frame, and the haptic response may include the depth of travel or the stiffness of the pushbutton determined by the size, shape or composition of the compliant tabs.
- the interface component may include a location to be touched by a user, in which case the specified functional response is determined through machine vision extraction of the touch location.
- a human-machine interface constructed in accordance with the invention broadly includes a plurality of user input devices, at least certain of which are fabricated with a rapid prototyping technology, wherein at least some of the user input devices are fabricated with a rapid prototyping technology include physical features that are sized, shaped or composed to yield a desired functional response.
- FIG. 1A shows scaffolding for a multifunction display
- FIG. 1B shows a rapidly prototyped assembled button mechanism, where compliant tabs provide a specified haptic response (depth of travel, stiffness) as well as an optical change enabling machine vision extraction;
- FIG. 1C shows the button mechanism of FIG. 1B in an exploded form
- FIG. 1D shows a rapidly prototyped touch panel
- FIG. 2 depicts a machine vision interface state extraction embodiment.
- Rapid prototyping machines are increasing in prevalence due to their increase in resolution, speed, and value. These machines are essentially 3D printers. Given a software description of a solid component, a rapid prototyping machine can build up a physical solid to those specifications in a manner of minutes to hours.
- Applicable technologies include Selective Laser Sintering (SLS); Fused Deposition Modeling (FDM); Stereolithography (SLA); Photopolymer Laminated Object Manufacturing (LOM); Electron Beam Melting (EBM); and “3D Printing” (3DP). This invention is not limited in this regard however, as it may take advantage of these as well as any yet-to-be developed alternatives.
- haptic fidelity is a priority for those components that need to be accessed “by touch”
- this invention uses a combination of technologies enabling an actual button or knob component to give perfect haptic fidelity in conjunction with rapidly prototyped interface components. This allows for tradeoffs between haptic fidelity and storage space—using actual components for those high priority buttons and knobs that need to be found “by touch,” and using rapidly prototyped components for lower priority buttons that do not need to be physically stored until time of use.
- FIG. 1A shows scaffolding for a multifunction display, where actual components can be positioned precisely.
- the scaffolding of FIG. 1A includes a frame 100 with various holes 102 and an aperture 104 enabling user controls and a central display to be ‘snapped’ into position. These controls may either be stored physical components or rapidly prototyped elements, depending upon operational criticality or other factors.
- FIG. 1B shows a rapidly prototyped button mechanism in an assembled form, where compliant tabs 110 , 112 provide a specified haptic response (depth of travel, stiffness) as well as an optical change enabling machine vision extraction.
- FIG. 1C shows the button mechanism of FIG. 1B in an exploded form.
- the tabs 110 , 112 interact with a frame 120 .
- the components may be ‘written’ with rapid prototyping technology to provide the dimensions, thicknesses and other physical parameters to achieve a target ‘look and feel’ and functional response.
- FIG. 1D shows a rapidly prototyped touch panel, where an interference grating is used to transform a small applied force into a large optical change, again enabling machine vision extraction of touch location.
- the structure of FIG. 1D uses only rapid prototyped components. This design demonstrates how rapid prototyping can combine structural with functional interface components.
- FIG. 2 A machine vision interface state extraction embodiment is shown in FIG. 2 .
- Cameras are used to extract position of actual buttons and switches, maintaining haptic feel, without having to reconnect every button and switch upon reconfiguration.
- these components can be optimized to undergo a large optical change during a state change (e.g. button press).
- This invention also incorporates machine vision technologies that enable this optimally “mixed fidelity” approach to haptically simulating cockpit interfaces.
- the main difficulty with using either real components or rapidly-prototyped components is that electrical wiring each interface component would be too time consuming to be practical. Instead, we have developed machine vision technologies that can extract button positions (or knob orientations, etc.) from a camera view of the interface. This way, no wiring is needed, and different cockpit interface panels can be interchanged quickly with no loss in functionality.
- a primary advantage of using physical structures for interface components is that the haptic realism is near perfect, and cannot be matched by today's haptic simulation technology. These components can also be reused and quickly reconfigured simply by placing rapidly prototyped panels into specified locations.
Abstract
Description
- This application is a continuation of U.S. patent application Ser. No. 12/351,332, filed Jan. 9, 2009, which claims priority from U.S. Provisional Patent Application Ser. No. 61/020,013, filed Jan. 9, 2008, the entire content of which is incorporated herein by reference.
- This invention was made with Government support under Contract No. N61339-07-C-0085 awarded by the United States Navy. The Government has certain rights in the invention.
- This invention relates generally to human-machine interfaces and, in particular, to interfaces that use rapid prototyping technology to fabricate interfaces with desired functional and haptic responses.
- In many situations, a complex simulation interface is useful for training. For example, pilots would like to train in a flight simulator using mission specific data. These simulators often take up a large amount of space, particularly if one simulator exists for each type of interface (e.g. each aircraft cockpit).
- What is needed is a reconfigurable simulator that can faithfully replicate the look and feel (sense of touch) of a number of different interfaces. Simulating the sense of touch, or haptic, aspect of a range of interfaces is a particularly difficult task due to the sensitivity of the human tactile system. Current haptic interface technologies are unable to faithfully recreate the large range of tactile stimuli encountered when interacting with interface components such as buttons, knobs, etc. common to interfaces.
- This invention relates generally to human-machine interfaces and, in particular, to interfaces that use rapid prototyping technology to fabricate interfaces with desired functional and haptic responses. The embodiments include software to aid in generation of panels and control instruments rapidly construct panels that can support a variety of control interfaces. These panels can replicate existing systems (for simulation, training, gaming, etc.) or create new designs (for human factors testing, as functional product, etc.).
- The controls may have tactile and/or visual characteristics similar or identical to their functional component counterparts such as buttons, knobs, switches, pedals, joysticks, steering wheels, and touch panels but are modular and use alternative data transfer modes (potentiometers, fiber optics, RFID, machine vision, etc.) to track and analyze the response of the controls. The response is then transmitted to the host programs. By virtue of the invention, a user can design and fabricate a reconfigurable interface to interact with virtual environments for various applications such as simulation, training, virtual instrumentation, gaming, human factors testing, etc.
- A method of forming a human-machine interface according to the invention includes the step of providing a scaffold enabling different interface components to be positioned at different locations on the scaffold. One or more of the interface components are fabricated with a rapid prototyping technology. Such components feature a physical structure that provides a specified functional response. The components are mounted on the scaffold in accordance with a given application.
- The functional response may include a haptic response. For example, the interface component may be a pushbutton, in which case the haptic response may include the depth of travel or the stiffness of the pushbutton. In a specific embodiment, the interface component may be a pushbutton with a frame, a button portion, and compliant tabs coupling the button portion to the frame, and the haptic response may include the depth of travel or the stiffness of the pushbutton determined by the size, shape or composition of the compliant tabs.
- Alternatively, the interface component may include a location to be touched by a user, in which case the specified functional response is determined through machine vision extraction of the touch location. A human-machine interface constructed in accordance with the invention broadly includes a plurality of user input devices, at least certain of which are fabricated with a rapid prototyping technology, wherein at least some of the user input devices are fabricated with a rapid prototyping technology include physical features that are sized, shaped or composed to yield a desired functional response.
-
FIG. 1A shows scaffolding for a multifunction display; -
FIG. 1B shows a rapidly prototyped assembled button mechanism, where compliant tabs provide a specified haptic response (depth of travel, stiffness) as well as an optical change enabling machine vision extraction; -
FIG. 1C shows the button mechanism ofFIG. 1B in an exploded form; -
FIG. 1D shows a rapidly prototyped touch panel; and -
FIG. 2 depicts a machine vision interface state extraction embodiment. - This invention takes advantage of progress made in rapid prototyping technology. Rapid prototyping machines are increasing in prevalence due to their increase in resolution, speed, and value. These machines are essentially 3D printers. Given a software description of a solid component, a rapid prototyping machine can build up a physical solid to those specifications in a manner of minutes to hours. Applicable technologies include Selective Laser Sintering (SLS); Fused Deposition Modeling (FDM); Stereolithography (SLA); Photopolymer Laminated Object Manufacturing (LOM); Electron Beam Melting (EBM); and “3D Printing” (3DP). This invention is not limited in this regard however, as it may take advantage of these as well as any yet-to-be developed alternatives.
- The inventive approach to reconfigurable displays take advantage of these rapid prototyping machines, where new interface structures and components can be printed then easily configured into a working simulation. Because haptic fidelity is a priority for those components that need to be accessed “by touch,” this invention uses a combination of technologies enabling an actual button or knob component to give perfect haptic fidelity in conjunction with rapidly prototyped interface components. This allows for tradeoffs between haptic fidelity and storage space—using actual components for those high priority buttons and knobs that need to be found “by touch,” and using rapidly prototyped components for lower priority buttons that do not need to be physically stored until time of use.
- According to the invention, certain human interface components are fabricated with rapid prototyping technology. Figure IA shows scaffolding for a multifunction display, where actual components can be positioned precisely. The scaffolding of
FIG. 1A includes a frame 100 with various holes 102 and anaperture 104 enabling user controls and a central display to be ‘snapped’ into position. These controls may either be stored physical components or rapidly prototyped elements, depending upon operational criticality or other factors. -
FIG. 1B shows a rapidly prototyped button mechanism in an assembled form, wherecompliant tabs FIG. 1C shows the button mechanism ofFIG. 1B in an exploded form. Thetabs frame 120. By providing inputs associated with the desired haptic response, the components may be ‘written’ with rapid prototyping technology to provide the dimensions, thicknesses and other physical parameters to achieve a target ‘look and feel’ and functional response. - Another advantage of rapidly prototyping interface components is that monolithic, functional interfaces can be printed by rapid prototyping machines in a single pass, requiring no assembly before use.
FIG. 1D shows a rapidly prototyped touch panel, where an interference grating is used to transform a small applied force into a large optical change, again enabling machine vision extraction of touch location. The structure ofFIG. 1D uses only rapid prototyped components. This design demonstrates how rapid prototyping can combine structural with functional interface components. - A machine vision interface state extraction embodiment is shown in
FIG. 2 . Cameras are used to extract position of actual buttons and switches, maintaining haptic feel, without having to reconnect every button and switch upon reconfiguration. When used in conjunction with rapidly prototyped interface components, these components can be optimized to undergo a large optical change during a state change (e.g. button press). - This invention also incorporates machine vision technologies that enable this optimally “mixed fidelity” approach to haptically simulating cockpit interfaces. The main difficulty with using either real components or rapidly-prototyped components is that electrical wiring each interface component would be too time consuming to be practical. Instead, we have developed machine vision technologies that can extract button positions (or knob orientations, etc.) from a camera view of the interface. This way, no wiring is needed, and different cockpit interface panels can be interchanged quickly with no loss in functionality.
- A primary advantage of using physical structures for interface components is that the haptic realism is near perfect, and cannot be matched by today's haptic simulation technology. These components can also be reused and quickly reconfigured simply by placing rapidly prototyped panels into specified locations.
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/949,271 US20160077671A1 (en) | 2008-01-09 | 2015-11-23 | Rapid prototyping and machine vision for reconfigurable interfaces |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US2001308P | 2008-01-09 | 2008-01-09 | |
US12/351,332 US9195886B2 (en) | 2008-01-09 | 2009-01-09 | Rapid prototyping and machine vision for reconfigurable interfaces |
US14/949,271 US20160077671A1 (en) | 2008-01-09 | 2015-11-23 | Rapid prototyping and machine vision for reconfigurable interfaces |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/351,332 Continuation US9195886B2 (en) | 2008-01-09 | 2009-01-09 | Rapid prototyping and machine vision for reconfigurable interfaces |
Publications (1)
Publication Number | Publication Date |
---|---|
US20160077671A1 true US20160077671A1 (en) | 2016-03-17 |
Family
ID=40876023
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/351,332 Expired - Fee Related US9195886B2 (en) | 2008-01-09 | 2009-01-09 | Rapid prototyping and machine vision for reconfigurable interfaces |
US14/949,271 Abandoned US20160077671A1 (en) | 2008-01-09 | 2015-11-23 | Rapid prototyping and machine vision for reconfigurable interfaces |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/351,332 Expired - Fee Related US9195886B2 (en) | 2008-01-09 | 2009-01-09 | Rapid prototyping and machine vision for reconfigurable interfaces |
Country Status (1)
Country | Link |
---|---|
US (2) | US9195886B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10124252B2 (en) * | 2013-03-15 | 2018-11-13 | Immersion Corporation | Programmable haptic peripheral |
KR20200082831A (en) | 2018-12-31 | 2020-07-08 | 효성티앤에스 주식회사 | Quantification method of damage state of soiled banknotes |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9417754B2 (en) | 2011-08-05 | 2016-08-16 | P4tents1, LLC | User interface system, method, and computer program product |
US10579144B2 (en) * | 2017-03-03 | 2020-03-03 | Arizona Board Of Regents On Behalf Of Arizona State University | Resonant vibration haptic display |
CN110689400B (en) * | 2019-08-29 | 2022-02-25 | 苏宁云计算有限公司 | Man-machine similar track detection method and device based on screen segmentation |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5544842A (en) * | 1993-09-21 | 1996-08-13 | Smith; Edward | Apparatus and method for the conversion of a three crew member aircraft cockpit to a two crew member aircraft cockpit |
US6414672B2 (en) * | 1997-07-07 | 2002-07-02 | Sony Corporation | Information input apparatus |
US20030183497A1 (en) * | 2002-03-27 | 2003-10-02 | Johnston Raymond P. | Apparatus exhibiting tactile feel |
US20060092131A1 (en) * | 2004-10-28 | 2006-05-04 | Canon Kabushiki Kaisha | Image processing method and apparatus |
US20070152974A1 (en) * | 2006-01-03 | 2007-07-05 | Samsung Electronics Co., Ltd. | Haptic button and haptic device using the same |
US20080211779A1 (en) * | 1994-08-15 | 2008-09-04 | Pryor Timothy R | Control systems employing novel physical controls and touch screens |
US20090189749A1 (en) * | 2006-11-17 | 2009-07-30 | Salada Mark A | Haptic Interface Device and Method for Using Such |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040221258A1 (en) * | 2003-05-01 | 2004-11-04 | Lockheed Martin Corporation | Method and apparatus for generating custom status display |
US9024874B2 (en) * | 2007-03-12 | 2015-05-05 | University of Pittsburgh—of the Commonwealth System of Higher Education | Fingertip visual haptic sensor controller |
-
2009
- 2009-01-09 US US12/351,332 patent/US9195886B2/en not_active Expired - Fee Related
-
2015
- 2015-11-23 US US14/949,271 patent/US20160077671A1/en not_active Abandoned
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5544842A (en) * | 1993-09-21 | 1996-08-13 | Smith; Edward | Apparatus and method for the conversion of a three crew member aircraft cockpit to a two crew member aircraft cockpit |
US20080211779A1 (en) * | 1994-08-15 | 2008-09-04 | Pryor Timothy R | Control systems employing novel physical controls and touch screens |
US6414672B2 (en) * | 1997-07-07 | 2002-07-02 | Sony Corporation | Information input apparatus |
US20030183497A1 (en) * | 2002-03-27 | 2003-10-02 | Johnston Raymond P. | Apparatus exhibiting tactile feel |
US20060092131A1 (en) * | 2004-10-28 | 2006-05-04 | Canon Kabushiki Kaisha | Image processing method and apparatus |
US20070152974A1 (en) * | 2006-01-03 | 2007-07-05 | Samsung Electronics Co., Ltd. | Haptic button and haptic device using the same |
US20090189749A1 (en) * | 2006-11-17 | 2009-07-30 | Salada Mark A | Haptic Interface Device and Method for Using Such |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10124252B2 (en) * | 2013-03-15 | 2018-11-13 | Immersion Corporation | Programmable haptic peripheral |
US10279251B2 (en) | 2013-03-15 | 2019-05-07 | Immersion Corporation | Programmable haptic peripheral |
KR20200082831A (en) | 2018-12-31 | 2020-07-08 | 효성티앤에스 주식회사 | Quantification method of damage state of soiled banknotes |
Also Published As
Publication number | Publication date |
---|---|
US9195886B2 (en) | 2015-11-24 |
US20090184809A1 (en) | 2009-07-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20160077671A1 (en) | Rapid prototyping and machine vision for reconfigurable interfaces | |
EP2624238A1 (en) | Virtual mock up with haptic hand held aid | |
US20170025031A1 (en) | Method and apparatus for testing a device for use in an aircraft | |
JP4523346B2 (en) | Display system | |
Thomas et al. | State-of-the-art and future concepts for interaction in aircraft cockpits | |
Girdler et al. | Mid-Air Haptics in Aviation--creating the sensation of touch where there is nothing but thin air | |
CA2963255A1 (en) | Troubleshooting a model defining a dynamic behavior of a simulated interactive object | |
Odeh | A Web-Based Remote Lab Platform with Reusability for Electronic Experiments in Engineering Education. | |
US11288340B2 (en) | Dynamically updating a model associated to a simulated interactive object | |
Feng et al. | Computer-aided usability evaluation of in-vehicle infotainment systems | |
Cruz-Neira | Making virtual reality useful: A report on immersive applications at Iowa State University | |
Jáuregui et al. | Tacsel: Shape-Changing Tactile Screen applied for Eyes-Free Interaction in Cockpit | |
KR101392266B1 (en) | Flight simulator for kuh and controlling method | |
Jeong et al. | M. Integrator: a maker’s tool for integrating kinetic mechanisms and sensors | |
KR20200099229A (en) | Avionics simulation system and method | |
EP3670334B1 (en) | Hand-operable man-machine interface for aircraft, drone remote control systems, flight simulators, spacecraft and the like | |
Schaefer et al. | Challenges with developing driving simulation systems for robotic vehicles | |
US20190064920A1 (en) | Controlling and configuring unit and method for controlling and configuring a microscope | |
KR102631398B1 (en) | Virtual reality-based flight training system using real control device customized for aircraft type | |
KR102631397B1 (en) | Real and virtual reality based system for flight training of various type of aircraft | |
Casani et al. | Flight system testbed | |
Joyce | Performance of a Novel Virtual Environment for Cockpit Evaluation | |
Richards et al. | PC Rapid Modification Tool for Aircraft Experimentation & Training for the MH-60S/MH-60R Helicopters | |
Hill | Reducing jerk for bimanual control with virtual reality | |
Binet | Versatile Offline Simulation Tool for Systems Design |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: NORTHERN LIGHTS, SERIES 74 OF ALLIED SECURITY TRUS Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:CYBERNET SYSTEMS CORPORATION;REEL/FRAME:042369/0414 Effective date: 20170505 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO PAY ISSUE FEE |
|
AS | Assignment |
Owner name: JOLLY SEVEN, SERIES 70 OF ALLIED SECURITY TRUST I, Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:NORTHERN LIGHTS, SERIES 74 OF ALLIED SECURITY TRUST I;REEL/FRAME:049416/0337 Effective date: 20190606 |