Bizarre Patents
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.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 6494098 | Method of ultrasonic on-line texture characterization A sputtering target (24) under test is irradiated with an ultrasonic pulse (20). The ultrasonic pulse (20) has a wavelength in the sputtering target (24) in the range of the average grain size for the target (24) under test. Backscattering echoes (28) are... | 12/17/2002 |
| 6493652 | Monitoring activity of a user in locomotion on foot In one embodiment, a method involves, in response to movement of a user during at least one footstep taken by the user, generating a signal that experiences changes during a time period that the foot is airborne during the at least one footstep. At least ... | 12/10/2002 |
| 6490927 | Method for detecting multiple types of corrosion A corrosion sensor and method for its use to detect and determine the, type, location, size and growth rate of corrosion of metals and the like in a corrosive environment. The corrosion sensor can distinguish between different types of corrosion such as u... | 12/10/2002 |
| 6481287 | Fluid temperature measurement An acoustic temperature measurement system for pipeline fluids comprises a loudspeaker (16) with spaced microphone (18) in a sealed pipe (10) with end cap (11). A computer arrangement (22) provides a tone burst signal which drives the speaker via power am... | 11/19/2002 |
| 6484121 | System for automatically measuring paint film thickness A system is provided for automatically measuring paint film thickness of painted bodies for closed loop control of a paint process for painting the bodies in a paint booth. The system includes a cell for receiving painted bodies from the paint booth and a... | 11/19/2002 |
| 6481288 | Measuring the speed of sound of a gas A method and apparatus for determining the speed of sound in a gas. An acoustic transmitter is arranged to apply an acoustic signal to the interior of a resonator and an acoustic receiver is arranged to detect the amplitude of the acoustic signal in the i... | 11/19/2002 |
| 6474166 | Method for indicating characteristics of rotating apparatus or vibrating apparatus A method for visualizing and indicating characteristics of vibration measurement data for a rotating or vibrating object. Specific components are removed from the measurement data or are minimized therein. After removing or minimizing the specific compone... | 11/05/2002 |
| 6467352 | Method and apparatus for on-line monitoring of log sawing Ultrasonic techniques are applied to the measurement of wooden members to detect splitting during sawing operations and thereby allow modification of a sawing technique or change in saw cut placement.... | 10/22/2002 |
| 6460412 | Detection of dynamic fluidized bed level in a fluidized bed polymerization reactor using ultrasonic waves or microwaves The dynamic fluidized-bed level in an olefin polymerization reactor is determined by radar or ultrasound waves. Echoes are processed to take into account the turbulence caused by bubbles, which can be as large as four meters in diameter, bursting on the s... | 10/08/2002 |
| 6450036 | Method and device for diagnosing deterioration of an article having at least a covering layer organic polymer material The invention is directed to a method and apparatus for diagnosing deterioration of an article having at least a covering layer made from an organic polymer material. The method comprises (i) forming a data group for deterioration diagnosis comprising det... | 09/17/2002 |
| 6435031 | Position detecting device for hydraulic cylinder, and industrial vehicle equipped with the position detecting device An anti-vibration member is provided on an inner wall of a cylinder tube of a lift cylinder. The anti-vibration member is formed into a cylindrical form, and an outer circumferential surface thereof is formed along an inner circumferential surface of the ... | 08/20/2002 |
| 6427536 | Method and system for measuring anisotropic material properties A method and system for determining material properties of a cross-section of an anisotropic sample material. An ultrasonic signal is applied to the surface of the anisotropic sample material, which comprises multiple constituent material layers, such tha... | 08/06/2002 |
| 6422081 | Ultrasonic sound velocity measuring method and its apparatus The invention relates to a method and apparatus for measuring a speed of an ultrasonic: wave propagated in a sample, even if there are bubbles in a sample. And it presupposes an ultrasonic speed measuring method for seeking a sonic speed in a sample in ac... | 07/23/2002 |
| 6418782 | Gas concentration sensor When a sensor has deteriorated, the propagation time T1' of a first reflection wave becomes greater than the propagation time T1 of a first reflection wave as measured in a new sensor. If measurement of the concentration of a specific gas is based on the ... | 07/16/2002 |
| 6415665 | Ultrasonic probe and method for monitoring materials processing in screw driven extruders An ultrasonic probe and method for noninvasively monitoring materials processing in screw driven extruders. The noninvasive probe includes at least one ultrasonic transducer operable to transmit an ultrasonic signal on a signal path intersecting an inner ... | 07/09/2002 |
| 6393916 | Ultrasonic inspection method and system An ultrasonic inspection method for determining acceptability of material for microstructurally sensitive applications comprises providing a material, directing ultrasonic energy of ultrasonic inspection to the material; scattering reflected energy in the... | 05/28/2002 |
| 6378372 | Acoustic resonance analysis of gas mixtures An acoustic device for continuously or intermittently determining the composition of gas mixtures. The acoustic device has an acoustic resonator with input and output transducers arranged to minimize the effect of external conditions. The device normally ... | 04/30/2002 |
| 6367329 | Acoustic time of flight and acoustic resonance methods for detecting endpoint in plasma processes A method for determining the endpoint of a plasma etch process is disclosed. The endpoint of the plasma etch process is determined using an acoustic cell attached to an exhaust port on a reaction chamber of a plasma reactor. The gas from the reaction cham... | 04/09/2002 |
| 6367328 | Noninvasive detection of corrosion, MIC, and foreign objects in fluid-filled containers using leaky guided ultrasonic waves Ultrasonic energy in the form of guided waves is launched into the wall of a fluid-filled container. The guided wave propagates around the circumference of the container from a transmitting transducer to a receiving transducer. Part of the guide wave ener... | 04/09/2002 |
| 6367330 | Defect parameter for wooden members The invention describes a method and system for detecting anomalies in a material. The method comprises the steps of transmitting waves through the object, receiving the waves after passage through the object, determining more than one reference character... | 04/09/2002 |
| 6363788 | Noninvasive detection of corrosion, mic, and foreign objects in containers, using guided ultrasonic waves Ultrasonic energy in the form of guided waves (plate waves or Lamb waves) is launched into the wall of a container. The guided wave propagates around the circumference of the container from a transmitting transducer to a receiving transducer. Analysis of ... | 04/02/2002 |
| 6363787 | Apparatus and method for measuring the thickness of a coating An apparatus and method for measuring the thickness of a coating adhered to a substrate. An electromagnetic acoustic transducer is used to induce surface waves into the coating. The surface waves have a selected frequency and a fixed wavelength. Interpola... | 04/02/2002 |
| 6354152 | Method and system to measure dynamic loads or stresses in aircraft, machines, and structures The system and method of this invention determines stress within the load bearing members of an aircraft, machine or structure in order to improve their design, safety and efficiency as well as enhancing their operation. Load or stress is calculated from ... | 03/12/2002 |
| 6351991 | Determining stress parameters of formations from multi-mode velocity data A method for determining unknown stress parameters in earth formation measures velocities in four sonic transmissions modes (compression, fast shear, slow shear and Stoneley) at a series of depths. Relationships between measured velocities and other measu... | 03/05/2002 |
| 6347551 | Acoustic tree and wooden member imaging apparatus An ultrasonic computed tomography tree or log scanner has a plurality of ultrasonic transceivers carried on a belt (102) sized to encircle a tree (100). The belt includes an apparatus for engaging is tightly around the tree (104). The transceivers are str... | 02/19/2002 |
| 6332360 | Apparatus for measuring the depth, water velocity or water temperature of an open channel An apparatus for measuring the depth of water and the water temperature at any point of an open channel by measuring an ultrasonic propagation time transmitted between a plural number of ultrasonic transducers and by a calculation using an ultrasonic velo... | 12/25/2001 |
| 6327912 | Method for measuring by ultra-sound the residual tension of a pre-stressed bar In order to measure in situ the residual tension F1 of a pre-stressed bar braced between two anchorages, the two-way propagation time T1 of an ultra-sonic wave between the two ends of the bar is measured, and F1 is evaluat... | 12/11/2001 |
| 6327910 | Special sticker and procedure for detecting acoustic emission (AE) or ultrasonic transmission during drying of lumber Disclosed are an apparatus and a monitoring system and various methods for use in the drying of lumber that use disclosed apparatus. During drying lumber is arranged in multiple courses stacked one on top of the other with multiple wooden stickers substan... | 12/11/2001 |
| 6330515 | Method for protecting against vibrations in rotary machines In a method for initiating protective measures on rapidly running rotary machines upon the occurrence of impermissible vibrations, or other disturbances which cause vibrations, the vibrations are measured as measured variables essentially at the bearings ... | 12/11/2001 |
| 6324911 | Apparatus and method for detecting an interface Apparatus for detecting an interface (13) between two media of a heterogeneous system, comprising transmission means (21) to send a signal through one medium from the transmission means (21) to the interface (13), measuring means (32b, 32c, 32d) to measur... | 12/04/2001 |
| 6311558 | Ultrasonic strain gage using a motorized electromagnetic acoustic transducer A method for measurement of stress in a specimen utilizing a motorized electromagnetic acoustic transducer (EMAT). Stress causes a rotation of the pure-mode polarization directions of SH-waves and a change in the phase of waves polarized along these certa... | 11/06/2001 |
| 6313567 | Lithography chuck having piezoelectric elements, and method A lithography chuck (100) holds a flat object (150), such as a semiconductor wafer (150) at the backside (152). The chuck has, supported on a base plate (105), a plurality of pins (110-n) to receive partial forces (Fn) from the backside (152) a... | 11/06/2001 |
| 6314055 | Range measuring system A system is provided for determining range to a wave energy source. The system includes a transmitter for transmitting a burst of pulses of wave energy in response to a trigger signal. A receiver is provided for determining a time of arrival of the burst ... | 11/06/2001 |
| 6308572 | Gas concentration sensor A gas concentration sensor comprises an ultrasonic element 33 opposite a reflection surface 34. A depression 34a is formed on an edge portion of a reflection surface 34 which is in contact with a side wall of a measurement chamber 32 such that a bottom su... | 10/30/2001 |
| 6308571 | Method for determining crook potential in wood A method for determining crook potential of wood is described. One embodiment comprises nondestructively obtaining lengthwise shrinkage rates (from a third party or by direct measurement) of wood and then determining crook potential of the wood based on t... | 10/30/2001 |
| 6308570 | Method and apparatus for ultrasonic characterization through the thickness direction of a moving web A method and apparatus for determining the caliper and/or the ultrasonic transit time through the thickness direction of a moving web of material using ultrasonic pulses generated by a rotatable wheel ultrasound apparatus. The apparatus includes a first l... | 10/30/2001 |
| 6305225 | Ultrasonic signal focusing method for ultrasonic imaging system A focusing method plays a big role of determining a resolution of an ultrasonic image. Focusing is performed by controlling an arrival difference of a signal up to a focal point by an electronics delay circuit. Here, the focusing method for focusing an ul... | 10/23/2001 |
| 6301967 | Method and apparatus for acoustic detection and location of defects in structures or ice on structures The invention relates to a method and apparatus for nondestructive testing and evaluation of materials and mechanical structures to determine their integrity reducing contact-type flaws such as cracks, fractures, delamination, unbondings, etc. and also pr... | 10/16/2001 |
| 6296385 | Apparatus and method for high temperature viscosity and temperature measurements A probe for measuring the viscosity and/or temperature of high temperature liquids, such as molten metals, glass and similar materials comprises a rod which is an acoustical waveguide through which a transducer emits an ultrasonic signal through one end o... | 10/02/2001 |
| 6295874 | Apparatus for determining a physical process variable of a medium An apparatus for determining a physical process variable of a medium (2) which can be used in conjunction with various sensor types, the sensors having in common that they determine a process variable by means of a delay-time method. The apparatus has a s... | 10/02/2001 |
