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7142232 |
System and apparatus for recording and projecting 3-dimensional images
A system for the production of a second three-dimensional image magnified from a first three-dimensional image in substantially the same proportions, including a first active optical system for...
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6229562 |
System and apparatus for the recording and projection of images in substantially 3-dimensional format
A system for the production of a second three-dimensional image magnified from a first three-dimensional image in substantially the same proportions, including a first active optical system for...
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5279272 |
Method and apparatus for controlling fuel injection valves in an internal combustion engine
To eliminate unstable engine operation during idling of an internal combustion engine, the width of the pulses that activate the fuel injection valves for the engine are controlled in the form of...
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3919881 |
Temporal reference wavefront reconstruction process and system
An improved process and method of wavefront reconstruction is disclosed in which one of the reference and object illuminating beams is shifted in phase relative to the other for a subsequent...
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3836950 |
ACOUSTO-OPTICAL MULTI-CONSTITUENT FLOW MONITORING METHOD AND APPARATUS
An acousto-optical method and apparatus for monitoring individual constituents of differing acoustical transparency in a multi-constituent flow through a conduit. The conduit is acoustically...
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3742439 |
IMAGING SYSTEM
An imaging member comprising a substrate, at least partially transparent to ultrasonic radiation, with a thin layer of liquid thereon, the layer preferably of a particular preferred thickness, is...
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3716826 |
ACOUSTIC TO OPTICAL IMAGE CONVERTER
A system for visualizing acoustic wave fields incident on an optically reflective, elastic surface. The elastic surface, upon which an acoustic image is impressed, forms the retroreflector for one...
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3600935 |
METHODS AND APPARATUS FOR PRODUCING A HOLOGRAPHIC LIGHT PATTERN FROM AN ULTRASONIC IMPULSE
A method and apparatus employing an ultrasonic signal to cause an interference pattern between a coherent light reference beam and a second coherent light beam which is ultrasonographically...
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3594717 |
SONIC TRANSDUCER
An object is acoustically illuminated and the acoustic image of the object is incident on and deforms an elastic surface. The elastic surface is illuminated with a first portion of light from a...
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3576521 |
METHOD AND APPARATUS FOR DETECTING COHERENT ELASTIC WAVE ENERGY
In the mapping of elastic wave fields in fluids, such as might be involved in recording a sonic hologram in a liquid medium overlying a three-dimensional sonic reflecting surface immersed in the...
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