Now showing items 1-6 of 6
Mixing process for generating in-situ reinforced thermoplastics
(United States Patent and Trademark Office, 1993-07-06)
A method for blending polymeric materials includes the steps of producing a melt stream of a first polymer from a first extruder (12) and a separate melt stream of a second polymer from a second extruder (14), joining the ...
Method and apparatus for sensing strain in a waveguide
(United States Patent and Trademark Office, 1993-02-23)
The present invention pertains to a strain sensor. The strain sensor is comprised of an optical wave guide, a device for providing optical pulses to the optical wave guide and a device for sensing localized strain in the ...
Alkali corrosion resistant coatings and ceramic foams having superfine open cell structure and method of processing
(United States Patent and Trademark Office, 1993-12-07)
Alkali corrosion resistant coatings and ceramic foams having superfine open cell structure are created using sol-gel processes. The processes have particular application in creating calcium magnesium zirconium phosphate, ...
Portable computer with display unit connected to system unit through conducting hinge
(United States Patent and Trademark Office, 1993-08-17)
An electrically conductive hinge provides for the transmission of electrical power and signals between a pivotally connected display unit and system unit of a portable computer and eliminates cable connections between the ...
Computer-based bit error simulation for digital wireless communications
(United States Patent and Trademark Office, 1993-08-03)
A communications stimulation system allows a user to perform a quantitative or subjective test of digital baseband devices over wireless channels using actual measured or modeled propagation data. The digital wireless ...
Spatially-weighted two-mode optical fiber sensors
(United States Patent and Trademark Office, 1993-06-29)
Tapered two-mode optic fibers are used as sensors with sensitivity varying as a function of length. The optical fiber sensors act as vibrational-mode filters thereby performing initial signal processing of the sensor signal. ...