Bizarre Patents
User-operated amusement apparatus for kicking the user's buttocks
An apparatus including a user-operated and controlled apparatus for self-infliction of repetitive blows to the user's buttocks by a plurality of elongated arms bearing flexible extensions that rotate under the user's control.
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| Number | Title | Issue Date |
| 5477729 | Acoustic emission transducer The invention relates to an acoustic emission transducer and a coupling method. The acoustic emission transducer (1) forms an assembly unit and is intended specially for measuring high-frequency acoustic emissions (up to about 2 MHz). It consists of a pie... | 12/26/1995 |
| 5478756 | Chemical sensor for detecting binding reactions A chemical sensor includes a piezoelectric support (1) capable of supporting a shear horizontal wave provided on its surface with an electrode (2,3). The sensor is characterized in that the surface of the piezoelectric support (1) including the region bea... | 12/26/1995 |
| 5473942 | Acoustic location fixing insect detector A device and a method for locating and counting insects in agricultural commodities has been developed. Acoustic sensors pick up sounds emanating from adult and or larval insects. The electrical outputs of the sensors are amplified and analyzed to determi... | 12/12/1995 |
| 5457994 | Nondestructive evaluation of non-ferromagnetic materials using magnetostrictively induced acoustic/ultrasonic waves and magnetostrictively detected acoustic emissions A method and apparatus for the nondestructive evaluation of ferromagnetic and non-ferromagnetic materials, particularly wire ropes, cables, and strands, and pipes utilizing the magnetostrictive effect for measuring minute variations in magnetic fields and... | 10/17/1995 |
| 5456113 | Nondestructive evaluation of ferromagnetic cables and ropes using magnetostrictively induced acoustic/ultrasonic waves and magnetostrictively detected acoustic emissions A method and apparatus for the nondestructive evaluation of ferromagnetic and non-ferromagnetic materials, particularly wire ropes, cables, and strands, and pipes utilizing the magnetostrictive effect for measuring minute variations in magnetic fields and... | 10/10/1995 |
| 5452264 | Resonant acoustic emission transducer An acoustic emission transducer consists of a resonant detection element (10) which is attached to the base-plate (16) by a small area in comparison to the overall surface area of the resonant detection element (10) where this area of attachment is positi... | 09/19/1995 |
| 5447845 | Analyte-responsive KTP composition and method This invention relates to analyte-responsive compositions and analyte detection methods using these compositions, and, more particularly, to such compositions based on potassium titanyl phosphate (KTP) and analogs thereof and to analyte detection methods ... | 09/05/1995 |
| 5445026 | Electronic instrument for locating and diagnosing engine sounds An acoustic signal and sound diagnostic instrument, for use by a professional automotive engine or industrial machinery maintenance operator, which is capable of locating and discriminating automotive engine and industrial machinery abnormalities. The ins... | 08/29/1995 |
| 5435185 | Electronic instrument for locating and diagnosing automotive chassis sounds A vibration and acoustic sound diagnostic instrument for use by a professional automotive maintenance mechanic which is capable of discriminating audible vibration sound and noise generated by under-chassis and under-hood parts and devices having mechanic... | 07/25/1995 |
| 5417113 | Leak detection utilizing analog binaural (VLSI) techniques A detection method and system utilizing silicon models of the traveling wave structure of the human cochlea to spatially and temporally locate a specific sound source in the presence of high noise pandemonium. The detection system combines two-dimensional... | 05/23/1995 |
| 5417112 | Apparatus for indicating the passage of a pig moving within an underground pipeline Two geophones located above an underground pipeline are spaced from each other and adjacent to both sides of a benchmark location. As a pig travels through the pipeline sound waves are generated. As a pig approaches a benchmark location, sound waves are r... | 05/23/1995 |
| 5374521 | Acoustic reflection process for molecular sensing using a bulk acoustic wave quartz sensor A passive process for selectively sensing analyte molecules in a fluid by reflection of acoustic waves from a sensing surface of a bulk accoustive wave quartz sensing device to which analyte molecules bind is provided. The sensing surface has a plurality ... | 12/20/1994 |
| 5293555 | System and method for locating material fatigue using multiple sensors A system for locating a fatigue point on a structure (10) employing a smart sensor patch (12) having three triangularly adjacent acoustic sensors (40 a,b,c). The smart sensor patch (12) has a local processor (34) associated therewith, which triangulates t... | 03/08/1994 |
| 5285688 | System for detecting wood-destroying insect infestations in wood A system for detecting wood-destroying insects by sensing acoustic emissions generated by the insects as they feed. The system comprises two acoustic emission sensors, an amplification section, a signal processing section and an indicator section. The sys... | 02/15/1994 |
| 5275050 | Process for quality control of products having parts made of elastomeric material A flexible mounting (2) having a ring made of elastomeric material (3) fixedly engaged between an inner metal collar (4) and an outer metal collar (5) is mechanically stressed so that it undergoes a gradual elastic deformation corresponding to a relative ... | 01/04/1994 |
| 5270950 | Apparatus and a method for locating a source of acoustic emission in a material An apparatus for locating a source of acoustic emission in a material comprises four spaced transducers coupled to the material. Each transducer produces an output signal corresponding to a detected acoustic emission activity, and each output signal is am... | 12/14/1993 |
| 5201292 | Apparatus and method for detecting vibration patterns An electronic detection system for detecting vibration patterns from physical events, such as engine knocking or articulated speech, senses a vibration source with a wideband transducer to provide a sensed signal, then converts this signal to energy ampli... | 04/13/1993 |
| 5176032 | Method and apparatus for processing electrical signals and a stress wave sensor An apparatus for processing electrical signals corresponding to acoustic emissions produced in a machine or process comprises a transducer acoustically coupled to the machine or process, which detects the acoustic emissions and converts them into an outpu... | 01/05/1993 |
| 5170929 | Ultrasonic adhesion/dehesion monitoring apparatus with acoustic transducer means An ultrasonic adhesion/dehesion monitoring apparatus for monitoring the quality and/or adhesion/dehesion between first and second substrates comprising: (a) an ultrasonic source for transmitting ultrasonic energy to at least first and second substrates; (... | 12/15/1992 |
| 5159836 | Process and device for monitoring the chip-removing treatment of a workpiece A process and device for monitoring the chip-removing treatment of a workce by analyzing the sound emission detectable on the tool which is transformed into an electrical signal, filtered, and compared with respect to its amplitude determined over a pred... | 11/03/1992 |
| 5142916 | Rupture initiation inspecting method and apparatus A method and apparatus for inspecting a rupture initiation in an article. While a load is applied to the article repetitively, an elastic wave is monitored by an elastic wave sensor which converts it into an electric signal. The electric signal is fed to ... | 09/01/1992 |
| 5140858 | Method for predicting destruction of a bearing utilizing a rolling-fatigue-related frequency range of AE signals A method for predicting destruction of a bearing preliminarily finds frequency range of acoustic emission signals indicating fatigue of bearings. In order to find the fatigue-related frequency range, frequency components of electrical noise, mechanical no... | 08/25/1992 |
| 5136876 | Apparatus and process for determining fluid leak rates An apparatus and process for controlling a high pressure fluid leak, such as a combustible gas, by determining the leak rate of the fluid from the leak source utilizing sound sensors wherein the step of determining the leak rate includes the step of compa... | 08/11/1992 |
| 5105822 | Apparatus for and method of performing high frequency audiometry An apparatus for and method of applying a selected range of high frequency acoustic energy to the apical end of the eardrum of an ear canal at a predetermined, substantially absolute sound pressure level at any frequency in the range of interest. The sele... | 04/21/1992 |
| 5083462 | Process and device for detecting defects in moving parts having a central rotating shaft An apparatus and method for detecting defects in moving parts having a central rotating shaft, in particular shaft bearings, with the aid of an acoustic-electric transducer converting the mechanical acoustic vibrations received into electric signals to be... | 01/28/1992 |
| 5082118 | Device for separating hard objects, such as stones, from a stream of wood A device is disclosed for separating hard objects, such as stones, from a stream of wood in an apparatus for conveying or manipulating logs or blocks of wood including a conveyor section. The device includes a transducer disposed in a location suited for ... | 01/21/1992 |
| 5076102 | Tool monitor The tool monitor according to this invention comprises an acoustic emissions (AE) sensor to be mounted in the neighborhood of and without contact with a machine tool and a tool damage detection means adapted to detect any damage to a tool of the machine t... | 12/31/1991 |
| 5067474 | Boiling detecting devices for a stove This invention is directed to a boiling detecting device for a stove. In particular, the boiling detecting device is directed to one utilizing vibration produced by the boiling water to trigger an electronic circuit to turn off the gas supply, or the stov... | 11/26/1991 |
| 5041989 | Method and apparatus for observing operating state of mechanical seal A method and an apparatus for observing operating state of a mechanical seal are disclosed. The apparatus comprises a sensor 1, amplifier 2,4, a root mean square value voltmeter 5 and a computer 7. Root mean square values of outputs of high frequency acou... | 08/20/1991 |
| 5031456 | Method for the detection of voids and corrosion damage by thermal treatment The present invention provides a method of detecting a void-related fault in a metal or metal alloy component. The method comprising filling the fault with a fluid, preferably liquid; treating the component and fluid so as to produce thermal-excitation in... | 07/16/1991 |
| 5029474 | Transducer and method for acoustic emission (AE) testing A transducer acoustic emission testing of a structural part includes a commercially available accelerometer having at least one piezoelectric element and one seismic mass. The accelerometer is typically tuned to a resonant frequency substantially between ... | 07/09/1991 |
| 5029219 | Personal handwriting verification The stress-wave activity produced by the interaction between a writing instrument and a surface during the generation of a given piece of handwriting on the surface is detected and stored. The stress-wave activity produced by a subsequent generation of th... | 07/02/1991 |
| 5014556 | Acoustic emission simulator The invention simulates acoustic emission signals produced by crack growth within a structure so that listening equipment may properly be calibrated to listen for acoustic emission signals from actual structural crack growth. The invention has several emb... | 05/14/1991 |
| 5014547 | Apparatus for determining the surface roughness of a material An apparatus for determining the surface roughness of a material comprised of an acoustic element which is pivotally mounted to a support structure containing a polished end which is maneuvered into contact with the surface of a material to be tested by a... | 05/14/1991 |
| 5010503 | Apparatus for acoustic-emission inspection of articles The apparatus for acoustic-emission inspection of articles has channels e including a series connection of a transducer of acoustic emission signals, positionable on an article under inspection, and an amplifier of electric signals, having connected to i... | 04/23/1991 |
| 5008841 | Non-invasive system and method for inspection of valves A non-invasive system and method is provided for the inspection of check valves which combines acoustic and magnetic techniques. The acoustic and magnetic techniques are used to measure check valve disk motion and internal impacts or vibrations resulting ... | 04/16/1991 |
| 5005415 | Method and apparatus for detecting variations in a process by processing emitted acoustic signals An apparatus for processing acoustic emissions or stress waves in order to recognize features indicative of variations in the process producing the acoustic emissions. The apparatus comprises a transducer acoustically coupled to a machine or industrial pr... | 04/09/1991 |
| 5005416 | Insect detection using a pitfall probe trap having vibration detection Detection, and optionally quantification, of insect infestation in an agricultural commodity is provided by a pitfall probe trap which permits detection of the presence or absence of live insects in the trap and optionally estimation of the number of inse... | 04/09/1991 |
| 5001931 | Method and apparatus for predicting destruction of a rolling bearing Method for predicting destruction of a rolling bearing using an apparatus which has a sensor for detecting acoustic emission signals from a rolling bearing, a plurality of band-pass filters which have different specific frequency pass bands within the ran... | 03/26/1991 |
| 5000045 | Acoustic emission waveguide An acoustic emission waveguide (10) for holding a test sample (29) in a hostile environment and guiding ultrasonic waves to a transducer (34) disposed in a non-hostile environment. The waveguide (10) includes a flattened test sample attachment end (15) ha... | 03/19/1991 |
