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Patent No. 5307162

Cloaking System Using Optoelectronically Controlled Camouflage

A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.

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Class 73/54.34 - By measuring a counterbalance or restoring force


Subclass of Class 73 - Measuring and testing
Definition: Subject matter wherein the determination is made by measuring
No. of patents: 17
Last issue date: 04/10/2007


NumberTitleIssue Date
7203344Biometric imaging system and method
A method and system of obtaining a ten-print plain impression fingerprint includes scanning a print image, processing the scanned image, separating the processed image into individual fingerprint images, and determining how many print images have been scanned. The m...
04/10/2007
7044435System for influencing the rheological properties of a transportable material
A system for influencing the rheological properties of a transportable material, especially a free-flowing, pasty or bulk product is associated, or can be associated, with a machine for processing or treating the transportable material in which the transportable mat...
05/16/2006
6931915Wide range dynamic rheometer
A rheometer includes a holder assembly for coupling a test specimen to a motor assembly to effect rotational strain in the test specimen while enabling the determination of axial displacement effected by the test specimen normal to the direction of the rotational st...
08/23/2005
6836362Method for the rapid determination of the optical quality of combinatorial libraries
This invention provides methodology for the measurement of both low and high levels of scattered radiation produced by decorative and barrier coatings and plastics. Measurements of low levels are especially important for coatings used in automotive applications. The...
12/28/2004
6769292High throughput rheological testing of materials
A library of materials is screened for viscosity. A library of materials is provided. The library is contacted with at least one capillary for applying a force through the materials. The relative flow resistance of the materials is measured in response to the force;...
08/03/2004
6722188Apparatus for process line testing
The invention relates to an apparatus and method for testing the properties of chemicals in a reaction flow stream. In the method, chemicals from the reaction flow stream are directed to the apparatus for testing the physical properties of the chemicals, which is an...
04/20/2004
6666073Apparatus for process line testing
The invention relates to an apparatus and method for testing the properties of chemicals in a reaction flow stream. In the method, chemicals from the reaction flow stream are directed to the apparatus for testing the physical properties of the chemicals, ...
12/23/2003
6412338On-board rotational viscometers
A viscometer for sensing or characterizing the stress required to shear a fluid at a given rate includes a pair of members coaxially mounted for relative rotation. Between the members is an annular gap defining a flow path for the fluid. The flow path is ...
07/02/2002
5987970Rotational viscosity measurement apparatus
A rotational viscometer is disclosed for measuring the viscosity of a rotating fluid. The viscometer includes a measurement disk that is positioned within the rotating fluid and is interconnected via a shaft with a measurement arm mounted within a housing...
11/23/1999
5750884Complex viscosity and complex modulus measurement device and method
The viscometer (100) includes a difference amplifier (110) driven by a signal generator (111) which supplies a control signal to shaker (120), which is sufficiently powerful to impose such strains as may be demanded by a controlling reference voltage with...
05/12/1998
5245861Method and measuring device for the measurement of visco-elastic properties of polymer material
For the measurement of the visco-elastic properties of a polymer material (69), such as plastics or rubber, a measuring wedge (47) is pressed into a rolled sheet (25) located on a work roll (5) of a mixing mill and conclusions are drawn from the applying ...
09/21/1993
4760734Apparatus for measuring the rheological properties of materials
An apparatus for measuring the rheological properties of polymer melts, polymer solutions and other materials including the placement of a specimen of the material to be tested within the intervening space between a forcibly rotatable member and a station...
08/02/1988
4726220Method of and apparatus for measuring rheological characteristics of substances
The viscometer comprises a measuring element suspended on a torsion wire and immersed in a substance to be tested contained in a measurement vessel. The measurement vessel with the therein contained substance is driven by a first drive member. A second dr...
02/23/1988
4601195Apparatus and method for measuring viscoelastic properties of materials
Apparatus and method for measuring the viscous component and the elastic component of forces within a viscoelastic test specimen placed in shear, the test specimen being coupled to a platen having a rest position, the platen being displaceable from the re...
07/22/1986
4472963Cold cranking simulator including a sample supply system and viscometer
A cold cranking system for measuring the viscosity of lubricating oils is disclosed. The system includes a viscometer having means for cooling a sample of the oils to a desired temperature for the viscosity measurement. A constant temperature cold bath so...
09/25/1984
4445365Tapered bearing simulator-viscometer
A rotational viscometer or tapered bearing simulator for testing motor oils and other fluids has a stator, a matching rotor fitting into it, and a drive shaft extending axially from the rotor. The shaft is direct-driven by a multispeed synchronous AC moto...
05/01/1984
4375047Torque compensated electrical motor
An electric motor having a cage pivotally mounted at one end to a post interior a housing by a first bearing and at its other end by a second bearing between the exterior of the cage and the interior of the housing. A first stator is mounted to the interi...
02/22/1983
 
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