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A numerical method for reducing the random noise in a two-dimensional waveform
This invention is comprised of a method for reducing random noise in a two-dimensional waveform having an irregular curvature includes the steps of selecting a plurality of points initially positioned at preselected locations on the waveform. For each point selected, the straight line is found which connects it to the midpoint between its neighboring points. A new location for the point is calculated to lie on the straight line a fraction of the distance between the initial location of the point and the midpoint. This process is repeated for each point positioned on the waveform. After a single iteration of the method is completed, the entire process is repeated a predetermined number of times to identify final calculated locations for the plurality of points selected. The final calculated locations of the points are then connected to form a relatively random noise-free waveform having a substantially smooth curvature.
Date:
January 23, 1991
Creator:
Levy, A. J.
System:
The UNT Digital Library
Basin-Protector
Patent for a flexible basin lining that improves sanitation in areas where washrooms are often-used and rarely cleaned.
Date:
January 23, 1917
Creator:
Van Dunker, Charles L.
System:
The Portal to Texas History
Cotton Harvester
Patent for improved cotton harvesters
Date:
January 23, 1917
Creator:
Cayo, Ernest P.
System:
The Portal to Texas History
Job Press Standardizer
Patent for job press.
Date:
January 23, 1917
Creator:
McMath, William S.
System:
The Portal to Texas History
Radiator Supporting Frame
Patent for support structure for car radiators.
Date:
January 23, 1917
Creator:
Neveu, Frank A.
System:
The Portal to Texas History
Scale Beam
Patent for sclae beam that is used to weigh bales of cotton.
Date:
January 23, 1917
Creator:
Gattis, Thomas W.
System:
The Portal to Texas History
Skirt Gage
Patent for device that marks the length of a skirt from a floor.
Date:
January 23, 1917
Creator:
Watkins, Lou V.
System:
The Portal to Texas History
Tank
Patent for a tank that filters.
Date:
January 23, 1917
Creator:
Gartrell, Clifford E.
System:
The Portal to Texas History
Toy Repeating Gun.
Patent for an improvement on toy repeating guns "which may be cocked and fired by manipulation of a single member and which embodies a magazine to receive a number of projectiles which automatically feeds by gravitative action into proper position to be projected by the striker or discharging member. " (lines 10-16) including instructions and illustrations.
Date:
January 23, 1917
Creator:
Osborn, Carl B.
System:
The Portal to Texas History
Transmission Mechanism
Patent is for power transmission in motor vehicles. It is housed in one case.
Date:
January 23, 1917
Creator:
Stillians, Harry C.
System:
The Portal to Texas History
Attachment for Laundry-Extractors
Patent for a time cut-off and brake attachment for laundry extractors for preventing accidents. Illustrations included.
Date:
January 23, 1912
Creator:
Moore, Robert Marion
System:
The Portal to Texas History
Combined Scrubber And Mop.
Patent for the combination of a scrubber, a mop, and a water receptacle to supply the cleansing liquid to the surface that is being cleaned and it provides a mechanism for wringing the mop.
Date:
January 23, 1912
Creator:
Lee, Bryant
System:
The Portal to Texas History
Cylinder for Cotton-Gins
Patent for a cylinder for cotton-gins in which the cylinder has teeth that are "secured to the project from the periphery of the disk" (lines 17-18).
Date:
January 23, 1912
Creator:
Fuller, James T.
System:
The Portal to Texas History
Disk Plow
Patent for a disk plow. Illustrations included.
Date:
January 23, 1912
Creator:
Cox, Oscar McGruder
System:
The Portal to Texas History
Header.
Patent for the improvement of a header, which is a part that aids the carry of grain.
Date:
January 23, 1912
Creator:
Whitworth, Sam P.
System:
The Portal to Texas History
Oil-Burner
Patent for new improvements to oil-burners in stoves and furnaces providing "a proper inlet of air to fire generated on the hearth" (lines 14-15) including instructions and illustrations.
Date:
January 23, 1912
Creator:
Braly, Hugh L.
System:
The Portal to Texas History
Rail-Joint.
Patent for a rail joint that connects the opposing ends of a pair of rails while allowing for necessary contractions and expansion of the rails due to atmospheric conditions. It also reinforces the portion of the joint at the meeting ends.
Date:
January 23, 1912
Creator:
Busa, Adam
System:
The Portal to Texas History
Rail Tie and Fastening Device.
Patent for improved railroad cross ties that can be used in reverse, prevent creeping rails, and be economically manufactured.
Date:
January 23, 1912
Creator:
Bergen, James V.
System:
The Portal to Texas History
Stop-Cock.
Patent for a stop-cock adapted to be used with water service pipes. It features a key operable lock stop-cock whose parts must be manipulated at specific times in order to open the passageway.
Date:
January 23, 1912
Creator:
Suess, Walter E.
System:
The Portal to Texas History
System of Subirrigation.
Patent for the improvement of a subirrigation system, which allows the prevention of the pipes being choked by pipes through the use of coiled pipes.
Date:
January 23, 1912
Creator:
Robinson, William M.
System:
The Portal to Texas History
Windmill
Patent for a windmill. Illustrations included.
Date:
January 23, 1912
Creator:
Moon, Richard D. & Horne, Henry J.
System:
The Portal to Texas History
Agricultural Implement.
Patent for "the production of simple and inexpensive means whereby the ordinary farming implements--such as plows, cultivators, and the like--may be readily convert to the sulky or wheeled type." (line 11-15) including instructions and illustrations.
Date:
January 23, 1906
Creator:
Cornelison, Jesse U.
System:
The Portal to Texas History
Bale-Tying Machine.
Patent for a bale tying machine that wraps and ties cylindrical bales, "especially for placing wrappers of jute or other bagging material around cylindrical cotton - bales" (lines 11-14) while holding the bale compressed.
Date:
January 23, 1906
Creator:
Cagle, Carter M.
System:
The Portal to Texas History
Plow Attachment
Patent for a plow attachment. This design has improvements for the foot portion of plows and cultivators. The attachment is easy to apply, and can be adjusted accordingly.
Date:
January 23, 1906
Creator:
Clark, Samuel Houston
System:
The Portal to Texas History