Feasibility study of a noncontacting, remote sensing displacement transducer Final report, 17 Apr. 1967 - 12 Jan. 1968
Feasibility and design of helium-neon laser displacement transducer
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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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A piezoelectric transducer for measuring cardiac and gross motor activity of small organisms
Sensitive piezoelectric transducer with electric and mechanical noise rejection features for measuring cardiac and gross motor activity of small organisms
Deboo, G. J.↗
Methods for calibrating motion measuring transducers at low frequencies /zero to 20 Hz/
Calibrating motion measuring transducers at low frequencies
Ingebritsen, O. C.↗
Performance parameters that characterize a differential-pressure transducer
Performance characteristics and error reduction methods for differential pressure transducer
Gettelman, C. C.↗
Modified vibration transducer calibration system which directly yields a plot of sensitivity versus frequency
Modified vibration transducer calibration system for directly producing sensitivity versus frequency range plots
Miller, E. F.↗
Resonant systems for dynamic transducer evaluations Final report
Resonant systems for dynamic transducer evaluations
Liu, C. Y.↗
Miniature tunnel diode transducers.
Miniature tunnel diode transducers having operation related to controllable band gap modulation mechanism
Garfein, A.↗
Results of studies of thermal gradient effects on ceramic transducer sensors used in cosmic dust experiments.
Temperature gradient and thermal effects on ceramic transducer sensors used on spacecraft for cosmic dust experiments
Alexander, W. M.↗
Performance parameters that characterize a differential-pressure transducer.
Differential pressure transducer performance, itemizing characteristic parameters, noting errors and effects of vibration, mounting strains, etc
Gettelman, C. C.↗
Pyroelectric transducers for the measurement of heat transfer under conditions of hypersonic flow.
Pyroelectric transducers of barium titanate for heat transfer measurement under hypersonic flow, discussing calibration
Burdick, G. A.↗
A miniature piezo-junction pressure transducer.
Miniature piezojunction pressure transducer incorporating GaSb and GaAs tunnel diodes
Garfein, A.↗
Automatic pressure transducer calibration.
Automatic pressure transducer calibration systems
Schuler, A. E.↗
Miniature piezoelectric transducers for broadband noise measurements.
Miniature piezoelectric ceramic transducer for broad band wall pressure fluctuation measurements, noting frequency response and calibration
Hennen, H. A.↗
The oscillating properties of electrostatic transducers according to the sell principle
Amplitude and phase of the vibration of the membrane of an electrostatic Sell-transducer are scanned point-for point with a capacitive probe. From the results a number of mean or extreme values characterizing the behaviour of the membrane are derived. These values two compared with respect to their dependence on air pressure, membrane material , surface properties of the back plate, and excitation voltage; optimal values for various applications are found.
K. Geide↗
Thick transducers used for generating short-duration stress pulses in thin specimens
By generating short stress pulses with thick transducers, the pulse-echo method for determining sound velocities and acoustic attenuation can be applied to thin specimens. The stress pulses enter a specimen where one pulse is reflected several times before a succeeding pulse enters the specimen.
Peterson, R. G.↗
A magnifying scratch-gage force transducer
Single-component scratch-gage transducer incorporates a unique motion magnification scheme to increase the magnitude of the load measuring scratch approximately 15 times over that of conventional models. It is small, load carrying and high in natural frequency.
Scott, C. E.↗
Pressure transducer
Pressure-sensitive transducer, consisting of a series of spindle-supported electrically conductive metal washers connected to electrical sensing circuitry, determines the force exerted between a mounting bolt and nut on relatively fragile components.
Baker, C. D.↗