Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 179 for “"Hand-Held"”.
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The hard hat and the hand-held : communication with hand-held computing in the construction process
Computer hand-held devices have the potential to revolutionize the methods of communication in the construction process. The compelling feature of hand-held computers is their ability to integrate GPS, video cameras, magnetometers and other sensors with an array of construction-relevant data layers …
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Classification of hand held shapes and locations in continuous signing
… has been categorized as being combinations of handshape, movement, orientation, location, and facial expressions. Of the five sign parameters, this thesis focuses on classification of two of the main parameters, the hand shapes and locations, in continuous signing. Since the nature of hand …
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VoiceNotes--an application for a voice-controlled hand-held computer
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Architecture, 1992.
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NewsComm--a hand-held device for interactive access to structured audio
Thesis (M.S.)--Massachusetts Institute of Technology, Program in Media Arts & Sciences, 1995.
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Design of a hand-held user interface for the active joint brace
… data, were used to inform the design of a hand-held user interface device, pictured below. The UI features one-handed operation, utilizing an LCD character display and speaker for output devices and a navigation switch for an input device. In preparation for the new UI, the existing menu …
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Hardware and software for hand-held electrical impedance myography measurement prototype system
… described. The device includes a reconfigurable hand-held probe with an electrode head which both makes contact with the skin and eliminates the need for individual electrodes. The new software interface provides a simple way for users to control the device through the USB interface of a laptop. …
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Investigation of Low Profile Antenna Designs for Use in Hand-Held Radios
Antennas in hand-held radios must be compact and unobtrusive. Electrically small and low-profile antennas experience high input reactance, low input resistance, and low radiation efficiency.Further degradation of radiation efficiency occurs in hand-held radios due to size-reduced ground planes, …
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The fixture and methodologies for evaluating vibration characteristics of hand-held pneumatic impact tools
… fixture has been designed for the testing of hand held pneumatic impact tools. The test fixture was modeled after a one-degree of freedom mass-spring-damper system. The design of the test fixture allows for a broad range of testing scenarios intended to simulate the methods in which impact …
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Hand-Held Cognition: Does Learning Suffer When an External Representation Interface Style is Used?
… be significantly enhanced for people who used a hand-held device coupled with an internal representation interface style. This study had 21 participants (external N = 9, internal N = 12) who completed all four sessions. The result was that there was not a significant difference between means as …
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Applications of a hand-held optoelectronic nose: security screening, medical diagnosis and food inspection
… the real-time analysis of colorimetric data. The hand-held device is equipped with a color contact image sensor (CCIS) for optical transduction, a disposable sealed cartridge for sensor array loading, and a diaphragm micropump for analyte flow control. First, a colorimetric sensor array comprising …
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Exploring Visual and Haptic Feedback Systems on User Performance with a Hand-Held Robot
While robotic systems allow users to maintain accuracy in high-precision environments, achieving intuitive control is challenging without real-time feedback. Haptic feedback, which communicates otherwise unfelt sensations through vibrations, is widely used in consumer technologies such as video …
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Effectiveness of using hand-held calculators for learning decimal quantities and the metric system
… of this research was to determine whether using hand-held calculators was more effective for the acquisition and retention of concepts and skills on decimal algorithms and metric units than the use of pencil and paper computation only. The sample consisted of six intact sixth grade classes (175 …
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An evaluation of computer assisted skull re-assembly using hand held and automated laser scanners
… This research uses four 3D models produced by a hand held laser scanner (Scorpion FASTSCAN by Polhemus) and one model produced by an automated, stationary laser scanner (Minolta by Hyperfocal) to re-assemble 5 skulls using a computer modelling program (Freeform Modelling). Hand held scanning, …
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Analysis of a Nonlinear vibration absorber for vibration control in a hand-held impact machine
Hand-held impact machines (HIMs), such as jackhammers and chipping hammers, operate through the repetitive impacts of a percussive mechanism. Due to their widespread use, it is essential that these tools are designed for safe daily operation. This need is underscored by the fact that approximately …
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Analysis of Performance Resulting from the Design of Selected Hand-Held Input Control Devices and Visual Displays
… that the Fitts' law model could be applied to hand-operated pointing devices for wearable computers. This is important because it allows the future development of pointing devices to be compared with the devices tested in this research using the Fitts' Law Index of Performance calculations.
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Effects of Interface Format, Feedback Style, and System Lag on the Usability of Hand-Held Internet Controllers
The increasing popularity of the World Wide Web (WWW) has created a new market: Web access through television to accommodate those who either cannot afford existing hardware or are intimidated by computers. Current efforts to combine the WWW and television have targeted potential novice users. One …
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The effect of the hand-held calculator on mathematics achievement, attitude and self concept of sixth grade students
… this study was to investigate the effects of the hand-held calculator on the mathematics achievement, attitude and self-concept of sixth grade students. It further attempted to compare achievement, attitude and self-concept between female and male students using the calculator with those …
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Using the Hand-Held Calculator as a Computing Aid for Instruction in Word-Problem Solving With Elementary Grade Students
… was to evaluate the effectiveness of a hand-held calculator when used as a computing aid during instruction in worded problem-solving and to evaluate the effectiveness of instructional materials which were specifically designed to be used with a calculator.
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An Investigation Of The Proficiency Level Of High School Students With Autism And Mental Retardation Within Community-based Job Settings: The Relationship Between The Use Of A Hand-held Computer Compared To Staff Modeling For Accurate Novel Job Skill Acquisition And Student Learning
… two vocational instructional interventions - a Hand-Held Computer intervention versus a Staff Model intervention - as vocational instructional tools for high school students with autism and mental retardation. Specifically, the study analyzed the effects of these two treatments on the completion …
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Unstructured light fields
… acquiring and rendering light fields using a hand-held commodity camera. The main challenge we address is assisting a user in achieving good coverage of the 4D domain despite the challenges of hand-held acquisition. We define coverage by bounding reprojection error between viewpoints, which …
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